| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `src/object.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>object.rs - source</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings" ></script><script src="../../storage.js"></script><script src="../../crates.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu" role="button">☰</div><a href='../../optee_utee/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="18" height="18" alt="Pick another theme!" src="../../brush.svg"></button><div id="theme-choices" role="menu"></div></div><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../../settings.html" title="settings"><img width="18" height="18" alt="Change settings" src="../../wheel.svg"></a></div></form></nav><section id="main" class="content"><div class="example-wrap"><pre class="line-numbers"><span id="1"> 1</span> |
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| <span id="1010">1010</span> |
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| <span id="1020">1020</span> |
| <span id="1021">1021</span> |
| <span id="1022">1022</span> |
| <span id="1023">1023</span> |
| <span id="1024">1024</span> |
| <span id="1025">1025</span> |
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| <span id="1028">1028</span> |
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| <span id="1034">1034</span> |
| <span id="1035">1035</span> |
| <span id="1036">1036</span> |
| <span id="1037">1037</span> |
| <span id="1038">1038</span> |
| <span id="1039">1039</span> |
| <span id="1040">1040</span> |
| <span id="1041">1041</span> |
| <span id="1042">1042</span> |
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| <span id="1060">1060</span> |
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| <span id="1064">1064</span> |
| <span id="1065">1065</span> |
| <span id="1066">1066</span> |
| <span id="1067">1067</span> |
| <span id="1068">1068</span> |
| <span id="1069">1069</span> |
| <span id="1070">1070</span> |
| <span id="1071">1071</span> |
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| <span id="1438">1438</span> |
| </pre><pre class="rust"><code><span class="comment">// Licensed to the Apache Software Foundation (ASF) under one</span> |
| <span class="comment">// or more contributor license agreements. See the NOTICE file</span> |
| <span class="comment">// distributed with this work for additional information</span> |
| <span class="comment">// regarding copyright ownership. The ASF licenses this file</span> |
| <span class="comment">// to you under the Apache License, Version 2.0 (the</span> |
| <span class="comment">// "License"); you may not use this file except in compliance</span> |
| <span class="comment">// with the License. You may obtain a copy of the License at</span> |
| <span class="comment">//</span> |
| <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span> |
| <span class="comment">//</span> |
| <span class="comment">// Unless required by applicable law or agreed to in writing,</span> |
| <span class="comment">// software distributed under the License is distributed on an</span> |
| <span class="comment">// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span> |
| <span class="comment">// KIND, either express or implied. See the License for the</span> |
| <span class="comment">// specific language governing permissions and limitations</span> |
| <span class="comment">// under the License.</span> |
| |
| <span class="kw">use</span> <span class="kw">crate</span>::{<span class="ident">Error</span>, <span class="prelude-ty">Result</span>}; |
| <span class="kw">use</span> <span class="ident">bitflags::bitflags</span>; |
| <span class="kw">use</span> <span class="ident">optee_utee_sys</span> <span class="kw">as</span> <span class="ident">raw</span>; |
| <span class="kw">use</span> <span class="ident">std</span>::{<span class="ident">marker</span>, <span class="ident">mem</span>, <span class="ident">ptr</span>}; |
| |
| <span class="doccomment">/// A general attribute (buffer or value) that can be used to populate an object or to specify</span> |
| <span class="doccomment">/// opeation parameters.</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Attribute</span> { |
| <span class="ident">raw</span>: <span class="ident">raw::TEE_Attribute</span>, |
| } |
| |
| <span class="kw">impl</span> <span class="ident">Attribute</span> { |
| <span class="doccomment">/// Return the raw struct `TEE_Attribute`.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">raw</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">raw::TEE_Attribute</span> { |
| <span class="self">self</span>.<span class="ident">raw</span> |
| } |
| } |
| |
| <span class="doccomment">/// Convert the buffer attribute [AttributeMemref](AttributeMemref) to the general attribute.</span> |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'attrref</span><span class="op">></span> <span class="ident">From</span><span class="op"><</span><span class="ident">AttributeMemref</span><span class="op"><</span><span class="lifetime">'attrref</span><span class="op">></span><span class="op">></span> <span class="kw">for</span> <span class="ident">Attribute</span> { |
| <span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">attr</span>: <span class="ident">AttributeMemref</span>) <span class="op">-</span><span class="op">></span> <span class="self">Self</span> { |
| <span class="self">Self</span> { <span class="ident">raw</span>: <span class="ident">attr</span>.<span class="ident">raw</span>() } |
| } |
| } |
| |
| <span class="doccomment">/// Convert the value attribute [AttributeValue](AttributeValue) to the general attribute.</span> |
| <span class="kw">impl</span> <span class="ident">From</span><span class="op"><</span><span class="ident">AttributeValue</span><span class="op">></span> <span class="kw">for</span> <span class="ident">Attribute</span> { |
| <span class="kw">fn</span> <span class="ident">from</span>(<span class="ident">attr</span>: <span class="ident">AttributeValue</span>) <span class="op">-</span><span class="op">></span> <span class="self">Self</span> { |
| <span class="self">Self</span> { <span class="ident">raw</span>: <span class="ident">attr</span>.<span class="ident">raw</span>() } |
| } |
| } |
| |
| <span class="doccomment">/// A buffer attribute.</span> |
| <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>, <span class="ident">Copy</span>)]</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">AttributeMemref</span><span class="op"><</span><span class="lifetime">'attrref</span><span class="op">></span> { |
| <span class="ident">raw</span>: <span class="ident">raw::TEE_Attribute</span>, |
| <span class="ident">_marker</span>: <span class="ident">marker::PhantomData</span><span class="op"><</span><span class="kw-2">&</span><span class="lifetime">'attrref</span> <span class="kw-2">mut</span> [<span class="ident">u8</span>]<span class="op">></span>, |
| } |
| |
| <span class="kw">impl</span><span class="op"><</span><span class="lifetime">'attrref</span><span class="op">></span> <span class="ident">AttributeMemref</span><span class="op"><</span><span class="lifetime">'attrref</span><span class="op">></span> { |
| <span class="doccomment">/// Return the raw struct TEE_Attribute.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">raw</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">raw::TEE_Attribute</span> { |
| <span class="self">self</span>.<span class="ident">raw</span> |
| } |
| |
| <span class="kw">fn</span> <span class="ident">new_ref</span>() <span class="op">-</span><span class="op">></span> <span class="self">Self</span> { |
| <span class="kw">let</span> <span class="ident">raw</span> <span class="op">=</span> <span class="ident">raw::TEE_Attribute</span> { |
| <span class="ident">attributeID</span>: <span class="number">0</span>, |
| <span class="ident">content</span>: <span class="ident">raw::content</span> { |
| <span class="ident">memref</span>: <span class="ident">raw::Memref</span> { |
| <span class="ident">buffer</span>: <span class="number">0</span> <span class="kw">as</span> <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="kw">_</span>, |
| <span class="ident">size</span>: <span class="number">0</span>, |
| }, |
| }, |
| }; |
| <span class="self">Self</span> { |
| <span class="ident">raw</span>: <span class="ident">raw</span>, |
| <span class="ident">_marker</span>: <span class="ident">marker::PhantomData</span>, |
| } |
| } |
| |
| <span class="doccomment">/// Populate a single attribute with a reference to a buffer.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Parameters</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `id`: The AttributeId[AttributeId] is an identifier of the attribute to populate.</span> |
| <span class="doccomment">/// 2) `buffer`: Input buffer that holds the content of the attribute.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Example</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// ```no_run</span> |
| <span class="doccomment">/// let mut attr = AttributeMemref::from_ref(AttributeId::SecretValue, &mut [0u8;1]);</span> |
| <span class="doccomment">/// ```</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">from_ref</span>(<span class="ident">id</span>: <span class="ident">AttributeId</span>, <span class="ident">buffer</span>: <span class="kw-2">&</span><span class="lifetime">'attrref</span> [<span class="ident">u8</span>]) <span class="op">-</span><span class="op">></span> <span class="self">Self</span> { |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">res</span> <span class="op">=</span> <span class="ident">AttributeMemref::new_ref</span>(); |
| <span class="kw">unsafe</span> { |
| <span class="ident">raw::TEE_InitRefAttribute</span>( |
| <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">res</span>.<span class="ident">raw</span>, |
| <span class="ident">id</span> <span class="kw">as</span> <span class="ident">u32</span>, |
| <span class="ident">buffer</span>.<span class="ident">as_ptr</span>() <span class="kw">as</span> <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="kw">_</span>, |
| <span class="ident">buffer</span>.<span class="ident">len</span>(), |
| ); |
| } |
| <span class="ident">res</span> |
| } |
| } |
| |
| <span class="doccomment">/// A value attribute.</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">AttributeValue</span> { |
| <span class="ident">raw</span>: <span class="ident">raw::TEE_Attribute</span>, |
| } |
| |
| <span class="kw">impl</span> <span class="ident">AttributeValue</span> { |
| <span class="doccomment">/// Return the raw struct TEE_Attribute.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">raw</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">raw::TEE_Attribute</span> { |
| <span class="self">self</span>.<span class="ident">raw</span> |
| } |
| |
| <span class="kw">fn</span> <span class="ident">new_value</span>() <span class="op">-</span><span class="op">></span> <span class="self">Self</span> { |
| <span class="kw">let</span> <span class="ident">raw</span> <span class="op">=</span> <span class="ident">raw::TEE_Attribute</span> { |
| <span class="ident">attributeID</span>: <span class="number">0</span>, |
| <span class="ident">content</span>: <span class="ident">raw::content</span> { |
| <span class="ident">value</span>: <span class="ident">raw::Value</span> { <span class="ident">a</span>: <span class="number">0</span>, <span class="ident">b</span>: <span class="number">0</span> }, |
| }, |
| }; |
| <span class="self">Self</span> { <span class="ident">raw</span> } |
| } |
| |
| <span class="doccomment">/// Populate a single attribute with two u32 values.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Parameters</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `id`: The AttributeId[AttributeId] is an identifier of the attribute to populate.</span> |
| <span class="doccomment">/// 2) `a`, `b`: u32 values to assign to the members of the a value attribute.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Example</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// ```no_run</span> |
| <span class="doccomment">/// let mut attr = AttributeValue::from_value(AttributeId::SecretValue, 0, 0);</span> |
| <span class="doccomment">/// ```</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">from_value</span>(<span class="ident">id</span>: <span class="ident">AttributeId</span>, <span class="ident">a</span>: <span class="ident">u32</span>, <span class="ident">b</span>: <span class="ident">u32</span>) <span class="op">-</span><span class="op">></span> <span class="self">Self</span> { |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">res</span> <span class="op">=</span> <span class="ident">AttributeValue::new_value</span>(); |
| <span class="kw">unsafe</span> { |
| <span class="ident">raw::TEE_InitValueAttribute</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">res</span>.<span class="ident">raw</span>, <span class="ident">id</span> <span class="kw">as</span> <span class="ident">u32</span>, <span class="ident">a</span>, <span class="ident">b</span>); |
| } |
| <span class="ident">res</span> |
| } |
| } |
| |
| <span class="doccomment">/// Represent the characteristics of an object.</span> |
| <span class="doccomment">/// This info can be returned by [TransientObject](TransientObject) function</span> |
| <span class="doccomment">/// [info](TransientObject::info)</span> |
| <span class="doccomment">/// or [PersistentObject](PersistentObject) function</span> |
| <span class="doccomment">/// [info](PersistentObject::info).</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">ObjectInfo</span> { |
| <span class="ident">raw</span>: <span class="ident">raw::TEE_ObjectInfo</span>, |
| } |
| |
| <span class="comment">// Since raw struct is not implemented Copy attribute yet, every item in raw struct needs a function to extract.</span> |
| <span class="kw">impl</span> <span class="ident">ObjectInfo</span> { |
| <span class="doccomment">/// Return an [ObjectInfo](ObjectInfo) struct based on the raw structrure `TEE_ObjectInfo`.</span> |
| <span class="doccomment">/// The raw structure contains following fields:</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `objectType`: The parameter represents one of the</span> |
| <span class="doccomment">/// [TransientObjectType](TransientObjectType).</span> |
| <span class="doccomment">/// 2) `objectSize`: The current size in bits of the object as determined by its attributes.</span> |
| <span class="doccomment">/// This will always be less than or equal to maxObjectSize. Set to 0 for uninitialized and data only objects.</span> |
| <span class="doccomment">/// 3) `maxObjectSize`: The maximum objectSize which this object can represent.</span> |
| <span class="doccomment">/// 3.1) For a [PersistentObject](PersistentObject), set to `objectSize`.</span> |
| <span class="doccomment">/// 3.2) For a [TransientObject](TransientObject), set to the parameter `maxObjectSize` passed to</span> |
| <span class="doccomment">/// [allocate](TransientObject::allocate).</span> |
| <span class="doccomment">/// 4) `objectUsage`: A bit vector of UsageFlag.</span> |
| <span class="doccomment">/// 5) `dataSize`:</span> |
| <span class="doccomment">/// 5.1) For a [PersistentObject](PersistentObject), set to the current size of the data associated with the object.</span> |
| <span class="doccomment">/// 5.2) For a [TransientObject](TransientObject), always set to 0.</span> |
| <span class="doccomment">/// 6) `dataPosition`:</span> |
| <span class="doccomment">/// 6.1) For a [PersistentObject](PersistentObject), set to the current position in the data for this handle.</span> |
| <span class="doccomment">/// Data positions for different handles on the same object may differ.</span> |
| <span class="doccomment">/// 6.2) For a [TransientObject](TransientObject), set to 0.</span> |
| <span class="doccomment">/// 7) `handleFlags`: A bit vector containing one or more [HandleFlag](HandleFlag) or [DataFlag](DataFlag).</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">from_raw</span>(<span class="ident">raw</span>: <span class="ident">raw::TEE_ObjectInfo</span>) <span class="op">-</span><span class="op">></span> <span class="self">Self</span> { |
| <span class="self">Self</span> { <span class="ident">raw</span> } |
| } |
| |
| <span class="doccomment">/// Return the `dataSize` field of the raw structrure `TEE_ObjectInfo`.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">data_size</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">usize</span> { |
| <span class="self">self</span>.<span class="ident">raw</span>.<span class="ident">dataSize</span> <span class="kw">as</span> <span class="ident">usize</span> |
| } |
| |
| <span class="doccomment">/// Return the `objectSize` field of the raw structrure `TEE_ObjectInfo`.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">object_size</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">usize</span> { |
| <span class="self">self</span>.<span class="ident">raw</span>.<span class="ident">objectSize</span> <span class="kw">as</span> <span class="ident">usize</span> |
| } |
| } |
| |
| <span class="doccomment">/// Indicate the possible start offset when moving a data position in the data stream associated with a [PersistentObject](PersistentObject).</span> |
| <span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">Whence</span> { |
| <span class="doccomment">/// The data position is set to offset bytes from the beginning of the data stream.</span> |
| <span class="ident">DataSeekSet</span>, |
| <span class="doccomment">/// The data position is set to its current position plus offset.</span> |
| <span class="ident">DataSeekCur</span>, |
| <span class="doccomment">/// The data position is set to the size of the object data plus offset.</span> |
| <span class="ident">DataSeekEnd</span>, |
| } |
| |
| <span class="kw">impl</span> <span class="ident">Into</span><span class="op"><</span><span class="ident">raw::TEE_Whence</span><span class="op">></span> <span class="kw">for</span> <span class="ident">Whence</span> { |
| <span class="kw">fn</span> <span class="ident">into</span>(<span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">raw::TEE_Whence</span> { |
| <span class="kw">match</span> <span class="self">self</span> { |
| <span class="ident">Whence::DataSeekSet</span> <span class="op">=</span><span class="op">></span> <span class="ident">raw::TEE_Whence::TEE_DATA_SEEK_SET</span>, |
| <span class="ident">Whence::DataSeekCur</span> <span class="op">=</span><span class="op">></span> <span class="ident">raw::TEE_Whence::TEE_DATA_SEEK_CUR</span>, |
| <span class="ident">Whence::DataSeekEnd</span> <span class="op">=</span><span class="op">></span> <span class="ident">raw::TEE_Whence::TEE_DATA_SEEK_END</span>, |
| } |
| } |
| } |
| |
| <span class="doccomment">/// An opaque handle on an object.</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">ObjectHandle</span> { |
| <span class="ident">raw</span>: <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="ident">raw::TEE_ObjectHandle</span>, |
| } |
| |
| <span class="kw">impl</span> <span class="ident">ObjectHandle</span> { |
| <span class="kw">fn</span> <span class="ident">handle</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">raw::TEE_ObjectHandle</span> { |
| <span class="kw">unsafe</span> { <span class="kw-2">*</span>(<span class="self">self</span>.<span class="ident">raw</span>) } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">from_raw</span>(<span class="ident">raw</span>: <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="ident">raw::TEE_ObjectHandle</span>) <span class="op">-</span><span class="op">></span> <span class="ident">ObjectHandle</span> { |
| <span class="self">Self</span> { <span class="ident">raw</span> } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">info</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">ObjectInfo</span><span class="op">></span> { |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">raw_info</span>: <span class="ident">raw::TEE_ObjectInfo</span> <span class="op">=</span> <span class="kw">unsafe</span> { <span class="ident">mem::zeroed</span>() }; |
| <span class="kw">match</span> <span class="kw">unsafe</span> { <span class="ident">raw::TEE_GetObjectInfo1</span>(<span class="self">self</span>.<span class="ident">handle</span>(), <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">raw_info</span>) } { |
| <span class="ident">raw::TEE_SUCCESS</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>(<span class="ident">ObjectInfo::from_raw</span>(<span class="ident">raw_info</span>)), |
| <span class="ident">code</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Err</span>(<span class="ident">Error::from_raw_error</span>(<span class="ident">code</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">restrict_usage</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">obj_usage</span>: <span class="ident">UsageFlag</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { |
| <span class="kw">match</span> <span class="kw">unsafe</span> { <span class="ident">raw::TEE_RestrictObjectUsage1</span>(<span class="self">self</span>.<span class="ident">handle</span>(), <span class="ident">obj_usage</span>.<span class="ident">bits</span>()) } { |
| <span class="ident">raw::TEE_SUCCESS</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>(()), |
| <span class="ident">code</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Err</span>(<span class="ident">Error::from_raw_error</span>(<span class="ident">code</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">ref_attribute</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">id</span>: <span class="ident">AttributeId</span>, <span class="ident">buffer</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">u8</span>]) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> { |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">size</span> <span class="op">=</span> <span class="ident">buffer</span>.<span class="ident">len</span>(); |
| <span class="kw">match</span> <span class="kw">unsafe</span> { |
| <span class="ident">raw::TEE_GetObjectBufferAttribute</span>( |
| <span class="self">self</span>.<span class="ident">handle</span>(), |
| <span class="ident">id</span> <span class="kw">as</span> <span class="ident">u32</span>, |
| <span class="ident">buffer</span> <span class="kw">as</span> <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="kw">_</span> <span class="kw">as</span> <span class="kw">_</span>, |
| <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">size</span>, |
| ) |
| } { |
| <span class="ident">raw::TEE_SUCCESS</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>(<span class="ident">size</span>), |
| <span class="ident">code</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Err</span>(<span class="ident">Error::from_raw_error</span>(<span class="ident">code</span>)), |
| } |
| } |
| |
| <span class="kw">fn</span> <span class="ident">value_attribute</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">id</span>: <span class="ident">u32</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>(<span class="ident">u32</span>, <span class="ident">u32</span>)<span class="op">></span> { |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">value_a</span>: <span class="ident">u32</span> <span class="op">=</span> <span class="number">0</span>; |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">value_b</span>: <span class="ident">u32</span> <span class="op">=</span> <span class="number">0</span>; |
| <span class="kw">match</span> <span class="kw">unsafe</span> { |
| <span class="ident">raw::TEE_GetObjectValueAttribute</span>( |
| <span class="self">self</span>.<span class="ident">handle</span>(), |
| <span class="ident">id</span>, |
| <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">value_a</span> <span class="kw">as</span> <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="kw">_</span>, |
| <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">value_b</span> <span class="kw">as</span> <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="kw">_</span>, |
| ) |
| } { |
| <span class="ident">raw::TEE_SUCCESS</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>((<span class="ident">value_a</span>, <span class="ident">value_b</span>)), |
| <span class="ident">code</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Err</span>(<span class="ident">Error::from_raw_error</span>(<span class="ident">code</span>)), |
| } |
| } |
| } |
| |
| <span class="attribute">#[<span class="ident">repr</span>(<span class="ident">u32</span>)]</span> |
| <span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">ObjectStorageConstants</span> { |
| <span class="ident">Private</span> <span class="op">=</span> <span class="number">0x00000001</span>, |
| <span class="ident">IllegalValue</span> <span class="op">=</span> <span class="number">0x7FFFFFFF</span>, |
| } |
| |
| <span class="macro">bitflags!</span> { |
| <span class="doccomment">/// A set of flags that controls the access rights and sharing permissions</span> |
| <span class="doccomment">/// with which the object handle is opened.</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">DataFlag</span>: <span class="ident">u32</span> { |
| <span class="doccomment">/// The object is opened with the read access right. This allows the</span> |
| <span class="doccomment">/// Trusted Application to call the function `TEE_ReadObjectData`.</span> |
| <span class="kw">const</span> <span class="ident">ACCESS_READ</span> <span class="op">=</span> <span class="number">0x00000001</span>; |
| <span class="doccomment">/// The object is opened with the write access right. This allows the</span> |
| <span class="doccomment">/// Trusted Application to call the functions `TEE_WriteObjectData` and</span> |
| <span class="doccomment">/// `TEE_TruncateObjectData`.</span> |
| <span class="kw">const</span> <span class="ident">ACCESS_WRITE</span> <span class="op">=</span> <span class="number">0x00000002</span>; |
| <span class="doccomment">/// The object is opened with the write-meta access right. This allows</span> |
| <span class="doccomment">/// the Trusted Application to call the functions</span> |
| <span class="doccomment">/// `TEE_CloseAndDeletePersistentObject1` and `TEE_RenamePersistentObject`.</span> |
| <span class="kw">const</span> <span class="ident">ACCESS_WRITE_META</span> <span class="op">=</span> <span class="number">0x00000004</span>; |
| <span class="doccomment">/// The caller allows another handle on the object to be created with</span> |
| <span class="doccomment">/// read access.</span> |
| <span class="kw">const</span> <span class="ident">SHARE_READ</span> <span class="op">=</span> <span class="number">0x00000010</span>; |
| <span class="doccomment">/// The caller allows another handle on the object to be created with</span> |
| <span class="doccomment">/// write access.</span> |
| <span class="kw">const</span> <span class="ident">SHARE_WRITE</span> <span class="op">=</span> <span class="number">0x00000020</span>; |
| <span class="doccomment">/// * If this flag is present and the object exists, then the object is</span> |
| <span class="doccomment">/// deleted and re-created as an atomic operation: that is, the TA sees</span> |
| <span class="doccomment">/// either the old object or the new one.</span> |
| <span class="doccomment">/// * If the flag is absent and the object exists, then the function</span> |
| <span class="doccomment">/// SHALL return `TEE_ERROR_ACCESS_CONFLICT`.</span> |
| <span class="kw">const</span> <span class="ident">OVERWRITE</span> <span class="op">=</span> <span class="number">0x00000400</span>; |
| } |
| } |
| |
| <span class="macro">bitflags!</span> { |
| <span class="doccomment">/// A set of flags that defines usages of data in TEE secure storage.</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">UsageFlag</span>: <span class="ident">u32</span> { |
| <span class="doccomment">/// The object [Attribute](Attribute) can be extracted.</span> |
| <span class="kw">const</span> <span class="ident">EXTRACTABLE</span> <span class="op">=</span> <span class="number">0x00000001</span>; |
| <span class="doccomment">/// The object can be used for encrytpion.</span> |
| <span class="kw">const</span> <span class="ident">ENCRYPT</span> <span class="op">=</span> <span class="number">0x00000002</span>; |
| <span class="doccomment">/// The object can be used for decrption.</span> |
| <span class="kw">const</span> <span class="ident">DECRYPT</span> <span class="op">=</span> <span class="number">0x00000004</span>; |
| <span class="doccomment">/// The object can be used for mac operation.</span> |
| <span class="kw">const</span> <span class="ident">MAC</span> <span class="op">=</span> <span class="number">0x00000008</span>; |
| <span class="doccomment">/// The ojbect can be used for signature.</span> |
| <span class="kw">const</span> <span class="ident">SIGN</span> <span class="op">=</span> <span class="number">0x00000010</span>; |
| <span class="doccomment">/// The object can be used for verification of a signature.</span> |
| <span class="kw">const</span> <span class="ident">VERIFY</span> <span class="op">=</span> <span class="number">0x00000020</span>; |
| <span class="doccomment">/// The object can be used for deriving a key.</span> |
| <span class="kw">const</span> <span class="ident">DERIVE</span> <span class="op">=</span> <span class="number">0x00000040</span>; |
| } |
| } |
| |
| <span class="doccomment">/// Miscellaneous constants.</span> |
| <span class="attribute">#[<span class="ident">repr</span>(<span class="ident">u32</span>)]</span> |
| <span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">MiscellaneousConstants</span> { |
| <span class="doccomment">/// Maximum offset of a data object.</span> |
| <span class="ident">TeeDataMaxPosition</span> <span class="op">=</span> <span class="number">0xFFFFFFFF</span>, |
| <span class="doccomment">/// Maximum length of an object id.</span> |
| <span class="ident">TeeObjectIdMaxLen</span> <span class="op">=</span> <span class="number">64</span>, |
| } |
| |
| <span class="macro">bitflags!</span> { |
| <span class="doccomment">/// A set of flags that defines Handle features.</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">HandleFlag</span>: <span class="ident">u32</span>{ |
| <span class="doccomment">/// Set for a [PersistentObject](PersistentObject).</span> |
| <span class="kw">const</span> <span class="ident">PERSISTENT</span> <span class="op">=</span> <span class="number">0x00010000</span>; |
| <span class="doccomment">/// 1) For a [PersistentObject](PersistentObject), always set.</span> |
| <span class="doccomment">/// 2) For a [TransientObject](TransientObject), initially cleared, then set when the object becomes initialized.</span> |
| <span class="kw">const</span> <span class="ident">INITIALIZED</span> <span class="op">=</span> <span class="number">0x00020000</span>; |
| <span class="doccomment">/// Following two flags are for crypto operation handles:</span> |
| <span class="doccomment">/// 1) Set if the required operation key has been set.</span> |
| <span class="doccomment">/// 2) Always set for digest operations.</span> |
| <span class="kw">const</span> <span class="ident">KEY_SET</span> <span class="op">=</span> <span class="number">0x00040000</span>; |
| <span class="doccomment">/// Set if the algorithm expects two keys to be set, using `TEE_SetOperationKey2`.</span> |
| <span class="doccomment">/// This happens only if algorithm is set to [AesXts](../crypto_op/enum.AlgorithmId.html#variant.AesXts)</span> |
| <span class="doccomment">/// or `TEE_ALG_SM2_KEP`(not supported now).</span> |
| <span class="kw">const</span> <span class="ident">EXPECT_TWO_KEYS</span> <span class="op">=</span> <span class="number">0x00080000</span>; |
| } |
| } |
| |
| <span class="attribute">#[<span class="ident">repr</span>(<span class="ident">u32</span>)]</span> |
| <span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">AttributeId</span> { |
| <span class="doccomment">/// Used for all secret keys for symmetric ciphers, MACs, and HMACs</span> |
| <span class="ident">SecretValue</span> <span class="op">=</span> <span class="number">0xC0000000</span>, |
| <span class="doccomment">/// RSA modulus: `n`</span> |
| <span class="ident">RsaModulus</span> <span class="op">=</span> <span class="number">0xD0000130</span>, |
| <span class="doccomment">/// RSA public key exponent: `e`</span> |
| <span class="ident">RsaPublicExponent</span> <span class="op">=</span> <span class="number">0xD0000230</span>, |
| <span class="doccomment">/// RSA private key exponent: `d`</span> |
| <span class="ident">RsaPrivateExponent</span> <span class="op">=</span> <span class="number">0xC0000330</span>, |
| <span class="doccomment">/// RSA prime number: `p`</span> |
| <span class="ident">RsaPrime1</span> <span class="op">=</span> <span class="number">0xC0000430</span>, |
| <span class="doccomment">/// RSA prime number: `q`</span> |
| <span class="ident">RsaPrime2</span> <span class="op">=</span> <span class="number">0xC0000530</span>, |
| <span class="doccomment">/// RSA exponent: `dp`</span> |
| <span class="ident">RsaExponent1</span> <span class="op">=</span> <span class="number">0xC0000630</span>, |
| <span class="doccomment">/// RSA exponent: `dq`</span> |
| <span class="ident">RsaExponent2</span> <span class="op">=</span> <span class="number">0xC0000730</span>, |
| <span class="doccomment">/// RSA coefficient: `iq`</span> |
| <span class="ident">RsaCoefficient</span> <span class="op">=</span> <span class="number">0xC0000830</span>, |
| <span class="doccomment">/// DSA prime number: `p`</span> |
| <span class="ident">DsaPrime</span> <span class="op">=</span> <span class="number">0xD0001031</span>, |
| <span class="doccomment">/// DSA sub prime number: `q`</span> |
| <span class="ident">DsaSubprime</span> <span class="op">=</span> <span class="number">0xD0001131</span>, |
| <span class="doccomment">/// DSA base: `g`</span> |
| <span class="ident">DsaBase</span> <span class="op">=</span> <span class="number">0xD0001231</span>, |
| <span class="doccomment">/// DSA public value: `y`</span> |
| <span class="ident">DsaPublicValue</span> <span class="op">=</span> <span class="number">0xD0000131</span>, |
| <span class="doccomment">/// DSA private value: `x`</span> |
| <span class="ident">DsaPrivateValue</span> <span class="op">=</span> <span class="number">0xC0000231</span>, |
| <span class="doccomment">/// Diffie-Hellman prime number: `p`</span> |
| <span class="ident">DhPrime</span> <span class="op">=</span> <span class="number">0xD0001032</span>, |
| <span class="doccomment">/// Diffie-Hellman sub prime number: `q`</span> |
| <span class="ident">DhSubprime</span> <span class="op">=</span> <span class="number">0xD0001132</span>, |
| <span class="doccomment">/// Diffie-Hellman base: `g`</span> |
| <span class="ident">DhBase</span> <span class="op">=</span> <span class="number">0xD0001232</span>, |
| <span class="doccomment">/// Diffie-Hellman x bits: `l`</span> |
| <span class="ident">DhXBits</span> <span class="op">=</span> <span class="number">0xF0001332</span>, |
| <span class="doccomment">/// Diffie-Hellman public value: `y`</span> |
| <span class="ident">DhPublicValue</span> <span class="op">=</span> <span class="number">0xD0000132</span>, |
| <span class="doccomment">/// Diffie-Hellman public value: `x`</span> |
| <span class="ident">DhPrivateValue</span> <span class="op">=</span> <span class="number">0xC0000232</span>, |
| <span class="ident">RsaOaepLabel</span> <span class="op">=</span> <span class="number">0xD0000930</span>, |
| <span class="ident">RsaPssSaltLength</span> <span class="op">=</span> <span class="number">0xF0000A30</span>, |
| <span class="ident">EccPublicValueX</span> <span class="op">=</span> <span class="number">0xD0000141</span>, |
| <span class="ident">EccPublicValueY</span> <span class="op">=</span> <span class="number">0xD0000241</span>, |
| <span class="doccomment">/// ECC private value: `d`</span> |
| <span class="ident">EccPrivateValue</span> <span class="op">=</span> <span class="number">0xC0000341</span>, |
| <span class="doccomment">/// ECC Curve algorithm</span> |
| <span class="ident">EccCurve</span> <span class="op">=</span> <span class="number">0xF0000441</span>, |
| <span class="ident">BitProtected</span> <span class="op">=</span> (<span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">28</span>), |
| <span class="ident">BitValue</span> <span class="op">=</span> (<span class="number">1</span> <span class="op"><</span><span class="op"><</span> <span class="number">29</span>), |
| } |
| |
| <span class="doccomment">/// Define types of [TransientObject](TransientObject) with predefined maximum sizes.</span> |
| <span class="attribute">#[<span class="ident">repr</span>(<span class="ident">u32</span>)]</span> |
| <span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">TransientObjectType</span> { |
| <span class="doccomment">/// 128, 192, or 256 bits</span> |
| <span class="ident">Aes</span> <span class="op">=</span> <span class="number">0xA0000010</span>, |
| <span class="doccomment">/// Always 64 bits including the parity bits. This gives an effective key size of 56 bits</span> |
| <span class="ident">Des</span> <span class="op">=</span> <span class="number">0xA0000011</span>, |
| <span class="doccomment">/// 128 or 192 bits including the parity bits. This gives effective key sizes of 112 or 168 bits</span> |
| <span class="ident">Des3</span> <span class="op">=</span> <span class="number">0xA0000013</span>, |
| <span class="doccomment">/// Between 64 and 512 bits, multiple of 8 bits</span> |
| <span class="ident">HmacMd5</span> <span class="op">=</span> <span class="number">0xA0000001</span>, |
| <span class="doccomment">/// Between 80 and 512 bits, multiple of 8 bits</span> |
| <span class="ident">HmacSha1</span> <span class="op">=</span> <span class="number">0xA0000002</span>, |
| <span class="doccomment">/// Between 112 and 512 bits, multiple of 8 bits</span> |
| <span class="ident">HmacSha224</span> <span class="op">=</span> <span class="number">0xA0000003</span>, |
| <span class="doccomment">/// Between 192 and 1024 bits, multiple of 8 bits</span> |
| <span class="ident">HmacSha256</span> <span class="op">=</span> <span class="number">0xA0000004</span>, |
| <span class="doccomment">/// Between 256 and 1024 bits, multiple of 8 bits</span> |
| <span class="ident">HmacSha384</span> <span class="op">=</span> <span class="number">0xA0000005</span>, |
| <span class="doccomment">/// Between 256 and 1024 bits, multiple of 8 bits</span> |
| <span class="ident">HmacSha512</span> <span class="op">=</span> <span class="number">0xA0000006</span>, |
| <span class="doccomment">/// The number of bits in the modulus. 256, 512, 768, 1024, 1536 and 2048 bit keys SHALL be supported.</span> |
| <span class="doccomment">/// Support for other key sizes including bigger key sizes is</span> |
| <span class="doccomment">/// implementation-dependent. Minimum key size is 256 bits</span> |
| <span class="ident">RsaPublicKey</span> <span class="op">=</span> <span class="number">0xA0000030</span>, |
| <span class="doccomment">/// Same as [RsaPublicKey](TransientObjectType::RsaPublicKey) key size.</span> |
| <span class="ident">RsaKeypair</span> <span class="op">=</span> <span class="number">0xA1000030</span>, |
| <span class="doccomment">/// Depends on Algorithm:</span> |
| <span class="doccomment">/// 1) [DsaSha1](../crypto_op/enum.AlgorithmId.html#variant.DsaSha1):</span> |
| <span class="doccomment">/// Between 512 and 1024 bits, multiple of 64 bits</span> |
| <span class="doccomment">/// 2) [DsaSha224](../crypto_op/enum.AlgorithmId.html#variant.DsaSha224): 2048 bits</span> |
| <span class="doccomment">/// 3) [DsaSha256](../crypto_op/enum.AlgorithmId.html#variant.DsaSha256): 2048 or 3072 bits</span> |
| <span class="ident">DsaPublicKey</span> <span class="op">=</span> <span class="number">0xA0000031</span>, |
| <span class="doccomment">/// Same as [DsaPublicKey](TransientObjectType::DsaPublicKey) key size.</span> |
| <span class="ident">DsaKeypair</span> <span class="op">=</span> <span class="number">0xA1000031</span>, |
| <span class="doccomment">/// From 256 to 2048 bits, multiple of 8 bits.</span> |
| <span class="ident">DhKeypair</span> <span class="op">=</span> <span class="number">0xA1000032</span>, |
| <span class="doccomment">/// Between 160 and 521 bits. Conditional: Available only if at least</span> |
| <span class="doccomment">/// one of the ECC the curves defined in Table 6-14 with "generic"</span> |
| <span class="doccomment">/// equal to "Y" is supported.</span> |
| <span class="ident">EcdsaPublicKey</span> <span class="op">=</span> <span class="number">0xA0000041</span>, |
| <span class="doccomment">/// Between 160 and 521 bits. Conditional: Available only if at least</span> |
| <span class="doccomment">/// one of the ECC curves defined in Table 6-14 with "generic" equal to</span> |
| <span class="doccomment">/// "Y" is supported. SHALL be same value as for ECDSA public key size.</span> |
| <span class="ident">EcdsaKeypair</span> <span class="op">=</span> <span class="number">0xA1000041</span>, |
| <span class="doccomment">/// Between 160 and 521 bits. Conditional: Available only if at least</span> |
| <span class="doccomment">/// one of the ECC curves defined in Table 6-14 with "generic" equal to</span> |
| <span class="doccomment">/// "Y" is supported.</span> |
| <span class="ident">EcdhPublicKey</span> <span class="op">=</span> <span class="number">0xA0000042</span>, |
| <span class="doccomment">/// Between 160 and 521 bits. Conditional: Available only if at least</span> |
| <span class="doccomment">/// one of the ECC curves defined in Table 6-14 with "generic" equal to</span> |
| <span class="doccomment">/// "Y" is supported. SHALL be same value as for ECDH public key size</span> |
| <span class="ident">EcdhKeypair</span> <span class="op">=</span> <span class="number">0xA1000042</span>, |
| <span class="doccomment">/// Multiple of 8 bits, up to 4096 bits. This type is intended for secret</span> |
| <span class="doccomment">/// data that has been derived from a key derivation scheme.</span> |
| <span class="ident">GenericSecret</span> <span class="op">=</span> <span class="number">0xA0000000</span>, |
| <span class="doccomment">/// Object is corrupted.</span> |
| <span class="ident">CorruptedObject</span> <span class="op">=</span> <span class="number">0xA00000BE</span>, |
| <span class="doccomment">/// 0 – All data is in the associated data stream.</span> |
| <span class="ident">Data</span> <span class="op">=</span> <span class="number">0xA00000BF</span>, |
| } |
| |
| <span class="doccomment">/// A trait for an object (trasient or persistent) to return its handle.</span> |
| <span class="kw">pub</span> <span class="kw">trait</span> <span class="ident">ObjHandle</span> { |
| <span class="doccomment">/// Return the handle of an object.</span> |
| <span class="kw">fn</span> <span class="ident">handle</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">raw::TEE_ObjectHandle</span>; |
| } |
| |
| <span class="doccomment">/// An object containing attributes but no data stream, which is reclaimed</span> |
| <span class="doccomment">/// when closed or when the TA instance is destroyed.</span> |
| <span class="doccomment">/// Transient objects are used to hold a cryptographic object (key or key-pair).</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// Contrast [PersistentObject](PersistentObject).</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">TransientObject</span>(<span class="ident">ObjectHandle</span>); |
| |
| <span class="kw">impl</span> <span class="ident">TransientObject</span> { |
| <span class="doccomment">/// Create a [TransientObject](TransientObject) with a null handle which points to nothing.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">null_object</span>() <span class="op">-</span><span class="op">></span> <span class="self">Self</span> { |
| <span class="self">Self</span>(<span class="ident">ObjectHandle::from_raw</span>(<span class="ident">ptr::null_mut</span>())) |
| } |
| |
| <span class="doccomment">/// Allocate an uninitialized [TransientObject](TransientObject), i.e. a container for attributes.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// As allocated, the object is uninitialized.</span> |
| <span class="doccomment">/// It can be initialized by subsequently importing the object material, generating an object,</span> |
| <span class="doccomment">/// deriving an object, or loading an object from the Trusted Storage.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Parameters</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `object_type`: Type of uninitialized object container to be created as defined in</span> |
| <span class="doccomment">/// [TransientObjectType](TransientObjectType).</span> |
| <span class="doccomment">/// 2) `max_object_size`: Key Size of the object. Valid values depend on the object type and are</span> |
| <span class="doccomment">/// defined in [TransientObjectType](TransientObjectType).</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Example</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// ```no_run</span> |
| <span class="doccomment">/// match TransientObject::allocate(TransientObjectType::Aes, 128) {</span> |
| <span class="doccomment">/// Ok(object) =></span> |
| <span class="doccomment">/// {</span> |
| <span class="doccomment">/// // ...</span> |
| <span class="doccomment">/// Ok(())</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// Err(e) => Err(e),</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// ```</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Errors</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `OutOfMemory`: If not enough resources are available to allocate the object handle.</span> |
| <span class="doccomment">/// 2) `NotSupported`: If the key size is not supported or the object type is not supported.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Panics</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) If the Implementation detects any error associated with this function which is not</span> |
| <span class="doccomment">/// explicitly associated with a defined return code for this function.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">allocate</span>(<span class="ident">object_type</span>: <span class="ident">TransientObjectType</span>, <span class="ident">max_object_size</span>: <span class="ident">usize</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="self">Self</span><span class="op">></span> { |
| <span class="kw">let</span> <span class="ident">raw_handle</span>: <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="ident">raw::TEE_ObjectHandle</span> <span class="op">=</span> <span class="ident">Box::into_raw</span>(<span class="ident">Box::new</span>(<span class="ident">ptr::null_mut</span>())); |
| <span class="kw">match</span> <span class="kw">unsafe</span> { |
| <span class="ident">raw::TEE_AllocateTransientObject</span>(<span class="ident">object_type</span> <span class="kw">as</span> <span class="ident">u32</span>, <span class="ident">max_object_size</span> <span class="kw">as</span> <span class="ident">u32</span>, <span class="ident">raw_handle</span>) |
| } { |
| <span class="ident">raw::TEE_SUCCESS</span> <span class="op">=</span><span class="op">></span> { |
| <span class="kw">let</span> <span class="ident">handle</span> <span class="op">=</span> <span class="ident">ObjectHandle::from_raw</span>(<span class="ident">raw_handle</span>); |
| <span class="prelude-val">Ok</span>(<span class="self">Self</span>(<span class="ident">handle</span>)) |
| } |
| <span class="ident">code</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Err</span>(<span class="ident">Error::from_raw_error</span>(<span class="ident">code</span>)), |
| } |
| } |
| |
| <span class="doccomment">///Reset a [TransientObject](TransientObject) to its initial state after allocation.</span> |
| <span class="doccomment">///If the object is currently initialized, the function clears the object of all its material.</span> |
| <span class="doccomment">///The object is then uninitialized again.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">reset</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) { |
| <span class="kw">unsafe</span> { |
| <span class="ident">raw::TEE_ResetTransientObject</span>(<span class="self">self</span>.<span class="ident">handle</span>()); |
| } |
| } |
| |
| <span class="doccomment">/// Populate an uninitialized object container with object attributes passed by the TA in the `attrs` parameter.</span> |
| <span class="doccomment">/// When this function is called, the object SHALL be uninitialized.</span> |
| <span class="doccomment">/// If the object is initialized, the caller SHALL first clear it using the function reset.</span> |
| <span class="doccomment">/// Note that if the object type is a key-pair, then this function sets both the private and public attributes of the keypair.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Parameters</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `attrs`: Array of object attributes.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Example</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// ```no_run</span> |
| <span class="doccomment">/// match TransientObject::allocate(TransientObjectType::Aes, 128) {</span> |
| <span class="doccomment">/// Ok(object) =></span> |
| <span class="doccomment">/// {</span> |
| <span class="doccomment">/// let attrs = [AttributeMemref::from_ref(AttributeId::SecretValue, &[0u8;1])];</span> |
| <span class="doccomment">/// object.populate(&attrs);</span> |
| <span class="doccomment">/// Ok(())</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// Err(e) => Err(e),</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// ```</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Errors</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `BadParameters`: If an incorrect or inconsistent attribute value is detected. In this case,</span> |
| <span class="doccomment">/// the content of the object SHALL remain uninitialized.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Panics</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) If object is not a valid opened object that is transient and uninitialized.</span> |
| <span class="doccomment">/// 2) If some mandatory attribute is missing.</span> |
| <span class="doccomment">/// 3) If an attribute which is not defined for the object’s type is present in attrs.</span> |
| <span class="doccomment">/// 4) If an attribute value is too big to fit within the maximum object size specified when the object was created.</span> |
| <span class="doccomment">/// 5) If the Implementation detects any other error associated with this function which is not</span> |
| <span class="doccomment">/// explicitly associated with a defined return code for this function.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">populate</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">attrs</span>: <span class="kw-2">&</span>[<span class="ident">Attribute</span>]) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { |
| <span class="kw">let</span> <span class="ident">p</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">raw::TEE_Attribute</span><span class="op">></span> <span class="op">=</span> <span class="ident">attrs</span>.<span class="ident">iter</span>().<span class="ident">map</span>(<span class="op">|</span><span class="ident">p</span><span class="op">|</span> <span class="ident">p</span>.<span class="ident">raw</span>()).<span class="ident">collect</span>(); |
| <span class="kw">match</span> <span class="kw">unsafe</span> { |
| <span class="ident">raw::TEE_PopulateTransientObject</span>(<span class="self">self</span>.<span class="number">0</span>.<span class="ident">handle</span>(), <span class="ident">p</span>.<span class="ident">as_ptr</span>() <span class="kw">as</span> <span class="kw">_</span>, <span class="ident">attrs</span>.<span class="ident">len</span>() <span class="kw">as</span> <span class="ident">u32</span>) |
| } { |
| <span class="ident">raw::TEE_SUCCESS</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>(()), |
| <span class="ident">code</span> <span class="op">=</span><span class="op">></span> <span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">Error::from_raw_error</span>(<span class="ident">code</span>)), |
| } |
| } |
| |
| <span class="doccomment">/// Return the characteristics of an object.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Example</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// ```no_run</span> |
| <span class="doccomment">/// match TransientObject::allocate(TransientObjectType::Aes, 128) {</span> |
| <span class="doccomment">/// Ok(object) => {</span> |
| <span class="doccomment">/// match object.info() {</span> |
| <span class="doccomment">/// Ok(info) => {</span> |
| <span class="doccomment">/// // ...</span> |
| <span class="doccomment">/// Ok(())</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// Err(e) => Err(e),</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// Err(e) => Err(e),</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// ```</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Panics</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) If object is not a valid opened object.</span> |
| <span class="doccomment">/// 2) If the Implementation detects any other error associated with this function which is not</span> |
| <span class="doccomment">/// explicitly associated with a defined return code for this function.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">info</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">ObjectInfo</span><span class="op">></span> { |
| <span class="self">self</span>.<span class="number">0</span>.<span class="ident">info</span>() |
| } |
| |
| <span class="doccomment">/// Restrict the object usage flags of an object handle to contain at most the flags passed in the obj_usage parameter.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// The initial value of the key usage contains all usage flags.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Parameters</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `obj_usage`: New object usage, an OR comination of one or more of the [UsageFlag](UsageFlag).</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Example</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// ```no_run</span> |
| <span class="doccomment">/// match TransientObject::allocate(TransientObjectType::Aes, 128) {</span> |
| <span class="doccomment">/// Ok(object) =></span> |
| <span class="doccomment">/// {</span> |
| <span class="doccomment">/// object.restrict_usage(UsageFlag::ENCRYPT)?;</span> |
| <span class="doccomment">/// Ok(())</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// Err(e) => Err(e),</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// ```</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Panics</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) If object is not a valid opened object.</span> |
| <span class="doccomment">/// 2) If the Implementation detects any other error associated with this function which is not</span> |
| <span class="doccomment">/// explicitly associated with a defined return code for this function.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">restrict_usage</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">obj_usage</span>: <span class="ident">UsageFlag</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { |
| <span class="self">self</span>.<span class="number">0</span>.<span class="ident">restrict_usage</span>(<span class="ident">obj_usage</span>) |
| } |
| |
| <span class="doccomment">/// Extract one buffer attribute from an object. The attribute is identified by the argument id.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Parameters</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `id`: Identifier of the attribute to retrieve.</span> |
| <span class="doccomment">/// 2) `ref_attr`: Output buffer to get the content of the attribute.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Example</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// ```no_run</span> |
| <span class="doccomment">/// match TransientObject::allocate(TransientObjectType::Aes, 128) {</span> |
| <span class="doccomment">/// Ok(object) => {</span> |
| <span class="doccomment">/// let mut attr = [0u8; 16];</span> |
| <span class="doccomment">/// match object.ref_attribute(id, &mut attr) {</span> |
| <span class="doccomment">/// Ok(size) => {</span> |
| <span class="doccomment">/// // ...</span> |
| <span class="doccomment">/// Ok(())</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// Err(e) => Err(e),</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// Err(e) => Err(e),</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// ```</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Errors</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `ItemNotFound`: If the attribute is not found on this object.</span> |
| <span class="doccomment">/// 2) `ShortBuffer`: If buffer is NULL or too small to contain the key part.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Panics</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) If object is not a valid opened object.</span> |
| <span class="doccomment">/// 2) If the object is not initialized.</span> |
| <span class="doccomment">/// 3) If the Attribute is not a buffer attribute.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">ref_attribute</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">id</span>: <span class="ident">AttributeId</span>, <span class="ident">buffer</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">u8</span>]) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> { |
| <span class="self">self</span>.<span class="number">0</span>.<span class="ident">ref_attribute</span>(<span class="ident">id</span>, <span class="ident">buffer</span>) |
| } |
| |
| <span class="doccomment">/// Extract one value attribute from an object. The attribute is identified by the argument id.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Parameters</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `id`: Identifier of the attribute to retrieve.</span> |
| <span class="doccomment">/// 2) `value_attr`: Two value placeholders to get the content of the attribute.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Example</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// ```no_run</span> |
| <span class="doccomment">/// match TransientObject::allocate(TransientObjectType::Aes, 128) {</span> |
| <span class="doccomment">/// Ok(object) => {</span> |
| <span class="doccomment">/// match object.value_attribute(id) {</span> |
| <span class="doccomment">/// Ok(a,b) => {</span> |
| <span class="doccomment">/// // ...</span> |
| <span class="doccomment">/// Ok(())</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// Err(e) => Err(e),</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// Err(e) => Err(e),</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// ```</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Errors</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `ItemNotFound`: If the attribute is not found on this object.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Panics</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) If object is not a valid opened object.</span> |
| <span class="doccomment">/// 2) If the object is not initialized.</span> |
| <span class="doccomment">/// 3) If the Attribute is not a value attribute.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">value_attribute</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">id</span>: <span class="ident">u32</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>(<span class="ident">u32</span>, <span class="ident">u32</span>)<span class="op">></span> { |
| <span class="self">self</span>.<span class="number">0</span>.<span class="ident">value_attribute</span>(<span class="ident">id</span>) |
| } |
| |
| <span class="doccomment">/// Populates an uninitialized object handle with the attributes of another object handle;</span> |
| <span class="doccomment">/// that is, it populates the attributes of this handle with the attributes of src_handle.</span> |
| <span class="doccomment">/// It is most useful in the following situations:</span> |
| <span class="doccomment">/// 1) To extract the public key attributes from a key-pair object.</span> |
| <span class="doccomment">/// 2) To copy the attributes from a [PersistentObject](PersistentObject) into a [TransientObject](TransientObject).</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Parameters</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `src_object`: Can be either a [TransientObject](TransientObject) or [PersistentObject](PersistentObject).</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Example</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// ```no_run</span> |
| <span class="doccomment">/// match TransientObject::allocate(TransientObjectType::Aes, 128) {</span> |
| <span class="doccomment">/// Ok(object1) =></span> |
| <span class="doccomment">/// {</span> |
| <span class="doccomment">/// match TransientObject::allocate(TransientObjectType::Aes, 256) {</span> |
| <span class="doccomment">/// Ok(object2) => {</span> |
| <span class="doccomment">/// object1.copy_attribute_from(object2);</span> |
| <span class="doccomment">/// Ok(())</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// Err(e) => Err(e),</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// Err(e) => Err(e),</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// ```</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Errors</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `CorruptObject`: If the persistentd` object is corrupt. The object handle is closed.</span> |
| <span class="doccomment">/// 2) `StorageNotAvailable`: If the [PersistentObject](PersistentObject) is stored in a storage area which is</span> |
| <span class="doccomment">/// currently inaccessible.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Panics</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) If src_object is not initialized.</span> |
| <span class="doccomment">/// 2) If self is initialized.</span> |
| <span class="doccomment">/// 3) If the type and size of src_object and self are not compatible.</span> |
| <span class="doccomment">/// 4) If the Implementation detects any other error associated with this function which is not</span> |
| <span class="doccomment">/// explicitly associated with a defined return code for this function.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">copy_attribute_from</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">ObjHandle</span><span class="op">></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">src_object</span>: <span class="kw-2">&</span><span class="ident">T</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { |
| <span class="kw">match</span> <span class="kw">unsafe</span> { <span class="ident">raw::TEE_CopyObjectAttributes1</span>(<span class="self">self</span>.<span class="ident">handle</span>(), <span class="ident">src_object</span>.<span class="ident">handle</span>()) } { |
| <span class="ident">raw::TEE_SUCCESS</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>(()), |
| <span class="ident">code</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Err</span>(<span class="ident">Error::from_raw_error</span>(<span class="ident">code</span>)), |
| } |
| } |
| |
| <span class="doccomment">/// Generates a random key or a key-pair and populates a transient key object with the generated key material.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Parameters</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `key_size`: the size of the desired key. It SHALL be less than or equal to</span> |
| <span class="doccomment">/// the maximum key size specified when the [TransientObject](TransientObject) was created.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Example</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// ```no_run</span> |
| <span class="doccomment">/// match TransientObject::allocate(TransientObjectType::Aes, 128) {</span> |
| <span class="doccomment">/// Ok(object) =></span> |
| <span class="doccomment">/// {</span> |
| <span class="doccomment">/// object.generate_key(128, &[])?;</span> |
| <span class="doccomment">/// Ok(())</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// Err(e) => Err(e),</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// ```</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Errors</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `BadParameters`: If an incorrect or inconsistent attribute value is detected. In this</span> |
| <span class="doccomment">/// case, the content of the object SHALL remain uninitialized.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Panics</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) If object is not a valid opened object.</span> |
| <span class="doccomment">/// 2) If some mandatory attribute is missing.</span> |
| <span class="doccomment">/// 3) If an attribute which is not defined for the object’s type is present in attrs.</span> |
| <span class="doccomment">/// 4) If an attribute value is too big to fit within the maximum object size specified when</span> |
| <span class="doccomment">/// the object was created.</span> |
| <span class="doccomment">/// 5) If the Implementation detects any other error associated with this function which is not</span> |
| <span class="doccomment">/// explicitly associated with a defined return code for this function.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">generate_key</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">key_size</span>: <span class="ident">usize</span>, <span class="ident">params</span>: <span class="kw-2">&</span>[<span class="ident">Attribute</span>]) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { |
| <span class="kw">let</span> <span class="ident">p</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">raw::TEE_Attribute</span><span class="op">></span> <span class="op">=</span> <span class="ident">params</span>.<span class="ident">iter</span>().<span class="ident">map</span>(<span class="op">|</span><span class="ident">p</span><span class="op">|</span> <span class="ident">p</span>.<span class="ident">raw</span>()).<span class="ident">collect</span>(); |
| <span class="kw">unsafe</span> { |
| <span class="kw">match</span> <span class="ident">raw::TEE_GenerateKey</span>( |
| <span class="self">self</span>.<span class="ident">handle</span>(), |
| <span class="ident">key_size</span> <span class="kw">as</span> <span class="ident">u32</span>, |
| <span class="ident">p</span>.<span class="ident">as_slice</span>().<span class="ident">as_ptr</span>() <span class="kw">as</span> <span class="kw">_</span>, |
| <span class="ident">p</span>.<span class="ident">len</span>() <span class="kw">as</span> <span class="ident">u32</span>, |
| ) { |
| <span class="ident">raw::TEE_SUCCESS</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>(()), |
| <span class="ident">code</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Err</span>(<span class="ident">Error::from_raw_error</span>(<span class="ident">code</span>)), |
| } |
| } |
| } |
| } |
| |
| <span class="kw">impl</span> <span class="ident">ObjHandle</span> <span class="kw">for</span> <span class="ident">TransientObject</span> { |
| <span class="kw">fn</span> <span class="ident">handle</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">raw::TEE_ObjectHandle</span> { |
| <span class="self">self</span>.<span class="number">0</span>.<span class="ident">handle</span>() |
| } |
| } |
| |
| <span class="kw">impl</span> <span class="ident">Drop</span> <span class="kw">for</span> <span class="ident">TransientObject</span> { |
| <span class="doccomment">/// Deallocates a [TransientObject](TransientObject) previously allocated.</span> |
| <span class="doccomment">/// After this function has been called, the object handle is no longer valid and all resources</span> |
| <span class="doccomment">/// associated with the [TransientObject](TransientObject) SHALL have been reclaimed.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Panics</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) If object is not a valid opened object.</span> |
| <span class="doccomment">/// 2) If the Implementation detects any other error associated with this function which is not</span> |
| <span class="doccomment">/// explicitly associated with a defined return code for this function.</span> |
| <span class="kw">fn</span> <span class="ident">drop</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) { |
| <span class="kw">unsafe</span> { |
| <span class="kw">if</span> <span class="self">self</span>.<span class="number">0</span>.<span class="ident">raw</span> <span class="op">!</span><span class="op">=</span> <span class="ident">ptr::null_mut</span>() { |
| <span class="ident">raw::TEE_FreeTransientObject</span>(<span class="self">self</span>.<span class="number">0</span>.<span class="ident">handle</span>()); |
| } |
| <span class="ident">Box::from_raw</span>(<span class="self">self</span>.<span class="number">0</span>.<span class="ident">raw</span>); |
| } |
| } |
| } |
| |
| <span class="doccomment">/// An object identified by an Object Identifier and including a Data Stream.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// Contrast [TransientObject](TransientObject).</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">PersistentObject</span>(<span class="ident">ObjectHandle</span>); |
| |
| <span class="kw">impl</span> <span class="ident">PersistentObject</span> { |
| <span class="doccomment">/// Open an existing [PersistentObject](PersistentObject).</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Parameters</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `storage_id`: The storaget to use which is defined in</span> |
| <span class="doccomment">/// [ObjectStorageConstants](ObjectStorageConstants).</span> |
| <span class="doccomment">/// 2) `object_id`: The object identifier. Note that this buffer cannot reside in shared memory.</span> |
| <span class="doccomment">/// 3) `flags`: The [DataFlag](DataFlag) which determine the settings under which the object is opened.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Example</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// ```no_run</span> |
| <span class="doccomment">/// let obj_id = [1u8;1];</span> |
| <span class="doccomment">/// match PersistentObject::open (</span> |
| <span class="doccomment">/// ObjectStorageConstants::Private,</span> |
| <span class="doccomment">/// &obj_id,</span> |
| <span class="doccomment">/// DataFlag::ACCESS_READ) {</span> |
| <span class="doccomment">/// Ok(object) =></span> |
| <span class="doccomment">/// {</span> |
| <span class="doccomment">/// // ...</span> |
| <span class="doccomment">/// Ok(())</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// Err(e) => Err(e),</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// ```</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Errors</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `ItemNotFound`: If the storage denoted by storage_id does not exist or if the object</span> |
| <span class="doccomment">/// identifier cannot be found in the storage.</span> |
| <span class="doccomment">/// 2) `Access_Conflict`: If an access right conflict was detected while opening the object.</span> |
| <span class="doccomment">/// 3) `OutOfMemory`: If there is not enough memory to complete the operation.</span> |
| <span class="doccomment">/// 4) `CorruptObject`: If the [PersistentObject](PersistentObject) is corrupt. The object handle is closed.</span> |
| <span class="doccomment">/// 5) `StorageNotAvailable`: If the [PersistentObject](PersistentObject) is stored in a storage area which is</span> |
| <span class="doccomment">/// currently inaccessible.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Panics</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) If object_id.len() ></span> |
| <span class="doccomment">/// [MiscellaneousConstants::TeeObjectIdMaxLen](MiscellaneousConstants::TeeObjectIdMaxLen)</span> |
| <span class="doccomment">/// 2) If the Implementation detects any other error associated with this function which is not</span> |
| <span class="doccomment">/// explicitly associated with a defined return code for this function.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">open</span>( |
| <span class="ident">storage_id</span>: <span class="ident">ObjectStorageConstants</span>, |
| <span class="ident">object_id</span>: <span class="kw-2">&</span>[<span class="ident">u8</span>], |
| <span class="ident">flags</span>: <span class="ident">DataFlag</span>, |
| ) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="self">Self</span><span class="op">></span> { |
| <span class="kw">let</span> <span class="ident">raw_handle</span>: <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="ident">raw::TEE_ObjectHandle</span> <span class="op">=</span> <span class="ident">Box::into_raw</span>(<span class="ident">Box::new</span>(<span class="ident">ptr::null_mut</span>())); |
| <span class="kw">match</span> <span class="kw">unsafe</span> { |
| <span class="ident">raw::TEE_OpenPersistentObject</span>( |
| <span class="ident">storage_id</span> <span class="kw">as</span> <span class="ident">u32</span>, |
| <span class="ident">object_id</span>.<span class="ident">as_ptr</span>() <span class="kw">as</span> <span class="kw">_</span>, |
| <span class="ident">object_id</span>.<span class="ident">len</span>(), |
| <span class="ident">flags</span>.<span class="ident">bits</span>(), |
| <span class="ident">raw_handle</span> <span class="kw">as</span> <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="kw">_</span>, |
| ) |
| } { |
| <span class="ident">raw::TEE_SUCCESS</span> <span class="op">=</span><span class="op">></span> { |
| <span class="kw">let</span> <span class="ident">handle</span> <span class="op">=</span> <span class="ident">ObjectHandle::from_raw</span>(<span class="ident">raw_handle</span>); |
| <span class="prelude-val">Ok</span>(<span class="self">Self</span>(<span class="ident">handle</span>)) |
| } |
| <span class="ident">code</span> <span class="op">=</span><span class="op">></span> { |
| <span class="kw">unsafe</span> { |
| <span class="ident">Box::from_raw</span>(<span class="ident">raw_handle</span>); |
| } |
| <span class="prelude-val">Err</span>(<span class="ident">Error::from_raw_error</span>(<span class="ident">code</span>)) |
| } |
| } |
| } |
| |
| <span class="doccomment">/// Create a [PersistentObject](PersistentObject) with initial attributes and an initial data stream content.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Parameters</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `storage_id`: The storaget to use which is defined in</span> |
| <span class="doccomment">/// [ObjectStorageConstants](ObjectStorageConstants).</span> |
| <span class="doccomment">/// 2) `object_id`: The object identifier. Note that this buffer cannot reside in shared memory.</span> |
| <span class="doccomment">/// 3) `flags`: The [DataFlag](DataFlag) which determine the settings under which the object is opened.</span> |
| <span class="doccomment">/// 4) `attributes`: A handle on a [PersistentObject](PersistentObject) or an initialized [TransientObject](TransientObject)</span> |
| <span class="doccomment">/// from which to take the [PersistentObject](PersistentObject) attributes.</span> |
| <span class="doccomment">/// Can be NONE if the [PersistentObject](PersistentObject) contains no attribute.</span> |
| <span class="doccomment">/// For example,if it is a pure data object.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Example</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// ```no_run</span> |
| <span class="doccomment">/// let obj_id = [1u8;1];</span> |
| <span class="doccomment">/// let mut init_data: [u8; 0] = [0; 0];</span> |
| <span class="doccomment">/// match PersistentObject::open (</span> |
| <span class="doccomment">/// ObjectStorageConstants::Private,</span> |
| <span class="doccomment">/// &obj_id,</span> |
| <span class="doccomment">/// DataFlag::ACCESS_READ | DataFlag::ACCESS_WRITE</span> |
| <span class="doccomment">/// None,</span> |
| <span class="doccomment">/// &mut init_data) {</span> |
| <span class="doccomment">/// Ok(object) =></span> |
| <span class="doccomment">/// {</span> |
| <span class="doccomment">/// // ...</span> |
| <span class="doccomment">/// Ok(())</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// Err(e) => Err(e),</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// ```</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Errors</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `ItemNotFound`: If the storage denoted by storage_id does not exist or if the object</span> |
| <span class="doccomment">/// identifier cannot be found in the storage.</span> |
| <span class="doccomment">/// 2) `Access_Conflict`: If an access right conflict was detected while opening the object.</span> |
| <span class="doccomment">/// 3) `OutOfMemory`: If there is not enough memory to complete the operation.</span> |
| <span class="doccomment">/// 4) `CorruptObject`: If the [PersistentObject](PersistentObject) is corrupt. The object handle is closed.</span> |
| <span class="doccomment">/// 5) `StorageNotAvailable`: If the [PersistentObject](PersistentObject) is stored in a storage area which is</span> |
| <span class="doccomment">/// currently inaccessible.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Panics</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) If object_id.len() ></span> |
| <span class="doccomment">/// [MiscellaneousConstants::TeeObjectIdMaxLen](MiscellaneousConstants::TeeObjectIdMaxLen).</span> |
| <span class="doccomment">/// 2) If attributes is not NONE and is not a valid handle on an initialized object containing</span> |
| <span class="doccomment">/// the type and attributes of the [PersistentObject](PersistentObject) to create.</span> |
| <span class="doccomment">/// 3) If the Implementation detects any other error associated with this function which is not</span> |
| <span class="doccomment">/// explicitly associated with a defined return code for this function.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">create</span>( |
| <span class="ident">storage_id</span>: <span class="ident">ObjectStorageConstants</span>, |
| <span class="ident">object_id</span>: <span class="kw-2">&</span>[<span class="ident">u8</span>], |
| <span class="ident">flags</span>: <span class="ident">DataFlag</span>, |
| <span class="ident">attributes</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">ObjectHandle</span><span class="op">></span>, |
| <span class="ident">initial_data</span>: <span class="kw-2">&</span>[<span class="ident">u8</span>], |
| ) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="self">Self</span><span class="op">></span> { |
| <span class="kw">let</span> <span class="ident">raw_handle</span>: <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="ident">raw::TEE_ObjectHandle</span> <span class="op">=</span> <span class="ident">Box::into_raw</span>(<span class="ident">Box::new</span>(<span class="ident">ptr::null_mut</span>())); |
| <span class="kw">let</span> <span class="ident">attributes</span> <span class="op">=</span> <span class="kw">match</span> <span class="ident">attributes</span> { |
| <span class="prelude-val">Some</span>(<span class="ident">a</span>) <span class="op">=</span><span class="op">></span> <span class="ident">a</span>.<span class="ident">handle</span>(), |
| <span class="prelude-val">None</span> <span class="op">=</span><span class="op">></span> <span class="ident">ptr::null_mut</span>(), |
| }; |
| <span class="kw">match</span> <span class="kw">unsafe</span> { |
| <span class="ident">raw::TEE_CreatePersistentObject</span>( |
| <span class="ident">storage_id</span> <span class="kw">as</span> <span class="ident">u32</span>, |
| <span class="ident">object_id</span>.<span class="ident">as_ptr</span>() <span class="kw">as</span> <span class="kw">_</span>, |
| <span class="ident">object_id</span>.<span class="ident">len</span>(), |
| <span class="ident">flags</span>.<span class="ident">bits</span>(), |
| <span class="ident">attributes</span>, |
| <span class="ident">initial_data</span>.<span class="ident">as_ptr</span>() <span class="kw">as</span> <span class="kw">_</span>, |
| <span class="ident">initial_data</span>.<span class="ident">len</span>(), |
| <span class="ident">raw_handle</span> <span class="kw">as</span> <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="kw">_</span>, |
| ) |
| } { |
| <span class="ident">raw::TEE_SUCCESS</span> <span class="op">=</span><span class="op">></span> { |
| <span class="kw">let</span> <span class="ident">handle</span> <span class="op">=</span> <span class="ident">ObjectHandle::from_raw</span>(<span class="ident">raw_handle</span>); |
| <span class="prelude-val">Ok</span>(<span class="self">Self</span>(<span class="ident">handle</span>)) |
| } |
| <span class="ident">code</span> <span class="op">=</span><span class="op">></span> { |
| <span class="kw">unsafe</span> { |
| <span class="ident">Box::from_raw</span>(<span class="ident">raw_handle</span>); |
| } |
| <span class="prelude-val">Err</span>(<span class="ident">Error::from_raw_error</span>(<span class="ident">code</span>)) |
| } |
| } |
| } |
| |
| <span class="doccomment">/// Marks an object for deletion and closes the object.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Example</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// ```no_run</span> |
| <span class="doccomment">/// let obj_id = [1u8;1];</span> |
| <span class="doccomment">/// match PersistentObject::open (</span> |
| <span class="doccomment">/// ObjectStorageConstants::Private,</span> |
| <span class="doccomment">/// &obj_id,</span> |
| <span class="doccomment">/// DataFlag::ACCESS_READ) {</span> |
| <span class="doccomment">/// Ok(object) =></span> |
| <span class="doccomment">/// {</span> |
| <span class="doccomment">/// object.close_and_delete()?;</span> |
| <span class="doccomment">/// std::mem::forget(object);</span> |
| <span class="doccomment">/// Ok(())</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// Err(e) => Err(e),</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// ```</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Errors</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `StorageNotAvailable`: If the [PersistentObject](PersistentObject) is stored in a storage area which is</span> |
| <span class="doccomment">/// currently inaccessible.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Panics</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) If object is not a valid opened object.</span> |
| <span class="doccomment">/// 2) If the Implementation detects any other error associated with this function which is not</span> |
| <span class="doccomment">/// explicitly associated with a defined return code for this function.</span> |
| <span class="comment">// this function is conflicted with Drop implementation, when use this one to avoid panic:</span> |
| <span class="comment">// Call `mem::forget` for this structure to avoid double drop the object</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">close_and_delete</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { |
| <span class="kw">match</span> <span class="kw">unsafe</span> { <span class="ident">raw::TEE_CloseAndDeletePersistentObject1</span>(<span class="self">self</span>.<span class="number">0</span>.<span class="ident">handle</span>()) } { |
| <span class="ident">raw::TEE_SUCCESS</span> <span class="op">=</span><span class="op">></span> { |
| <span class="kw">unsafe</span> { |
| <span class="ident">Box::from_raw</span>(<span class="self">self</span>.<span class="number">0</span>.<span class="ident">raw</span>); |
| } |
| <span class="kw">return</span> <span class="prelude-val">Ok</span>(()); |
| } |
| <span class="ident">code</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Err</span>(<span class="ident">Error::from_raw_error</span>(<span class="ident">code</span>)), |
| } |
| } |
| |
| <span class="doccomment">/// Changes the identifier of an object.</span> |
| <span class="doccomment">/// The object SHALL have been opened with the [DataFlag::ACCESS_WRITE_META](DataFlag::ACCESS_WRITE_META) right, which means access to the object is exclusive.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Example</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// ```no_run</span> |
| <span class="doccomment">/// let obj_id = [1u8;1];</span> |
| <span class="doccomment">/// let new_obj_id = [2u8;1];</span> |
| <span class="doccomment">/// match PersistentObject::open (</span> |
| <span class="doccomment">/// ObjectStorageConstants::Private,</span> |
| <span class="doccomment">/// &obj_id,</span> |
| <span class="doccomment">/// DataFlag::ACCESS_WRITE_META) {</span> |
| <span class="doccomment">/// Ok(object) =></span> |
| <span class="doccomment">/// {</span> |
| <span class="doccomment">/// object.rename(&new_obj_id)?;</span> |
| <span class="doccomment">/// Ok(())</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// Err(e) => Err(e),</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// ```</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Errors</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `Access_Conflict`: If an access right conflict was detected while opening the object.</span> |
| <span class="doccomment">/// 2) `CorruptObject`: If the [PersistentObject](PersistentObject) is corrupt. The object handle is closed.</span> |
| <span class="doccomment">/// 3) `StorageNotAvailable`: If the [PersistentObject](PersistentObject) is stored in a storage area which is</span> |
| <span class="doccomment">/// currently inaccessible.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Panics</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) If object is not a valid opened object.</span> |
| <span class="doccomment">/// 2) If new_object_id resides in shared memory.</span> |
| <span class="doccomment">/// 3) If new_object_id.len() ></span> |
| <span class="doccomment">/// [MiscellaneousConstants::TeeObjectIdMaxLen](MiscellaneousConstants::TeeObjectIdMaxLen).</span> |
| <span class="doccomment">/// 4) If the Implementation detects any other error associated with this function which is not</span> |
| <span class="doccomment">/// explicitly associated with a defined return code for this function.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">rename</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">new_object_id</span>: <span class="kw-2">&</span>[<span class="ident">u8</span>]) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { |
| <span class="kw">match</span> <span class="kw">unsafe</span> { |
| <span class="ident">raw::TEE_RenamePersistentObject</span>( |
| <span class="self">self</span>.<span class="number">0</span>.<span class="ident">handle</span>(), |
| <span class="ident">new_object_id</span>.<span class="ident">as_ptr</span>() <span class="kw">as</span> <span class="kw">_</span>, |
| <span class="ident">new_object_id</span>.<span class="ident">len</span>(), |
| ) |
| } { |
| <span class="ident">raw::TEE_SUCCESS</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>(()), |
| <span class="ident">code</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Err</span>(<span class="ident">Error::from_raw_error</span>(<span class="ident">code</span>)), |
| } |
| } |
| <span class="doccomment">/// Return the characteristics of an object.</span> |
| <span class="doccomment">/// Function is similar to [TransientObject::info](TransientObject::info) besides extra errors.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Errors</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `CorruptObject`: If the [PersistentObject](PersistentObject) is corrupt. The object handle is closed.</span> |
| <span class="doccomment">/// 2) `StorageNotAvailable`: If the [PersistentObject](PersistentObject) is stored in a storage area which is</span> |
| <span class="doccomment">/// currently inaccessible.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">info</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">ObjectInfo</span><span class="op">></span> { |
| <span class="self">self</span>.<span class="number">0</span>.<span class="ident">info</span>() |
| } |
| |
| <span class="doccomment">/// Restrict the object usage flags of an object handle to contain at most the flags passed in the obj_usage parameter.</span> |
| <span class="doccomment">/// Function is similar to [TransientObject::restrict_usage](TransientObject::restrict_usage) besides extra errors.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Errors</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `CorruptObject`: If the [PersistentObject](PersistentObject) is corrupt. The object handle is closed.</span> |
| <span class="doccomment">/// 2) `StorageNotAvailable`: If the [PersistentObject](PersistentObject) is stored in a storage area which is</span> |
| <span class="doccomment">/// currently inaccessible.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">restrict_usage</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">obj_usage</span>: <span class="ident">UsageFlag</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { |
| <span class="self">self</span>.<span class="number">0</span>.<span class="ident">restrict_usage</span>(<span class="ident">obj_usage</span>) |
| } |
| |
| <span class="doccomment">/// Extract one buffer attribute from an object. The attribute is identified by the argument id.</span> |
| <span class="doccomment">/// Function is similar to [TransientObject::ref_attribute](TransientObject::ref_attribute) besides extra errors.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Errors</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `CorruptObject`: If the [PersistentObject](PersistentObject) is corrupt. The object handle is closed.</span> |
| <span class="doccomment">/// 2) `StorageNotAvailable`: If the [PersistentObject](PersistentObject) is stored in a storage area which is</span> |
| <span class="doccomment">/// currently inaccessible.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">ref_attribute</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">id</span>: <span class="ident">AttributeId</span>, <span class="ident">buffer</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">u8</span>]) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> { |
| <span class="self">self</span>.<span class="number">0</span>.<span class="ident">ref_attribute</span>(<span class="ident">id</span>, <span class="ident">buffer</span>) |
| } |
| |
| <span class="doccomment">/// Extract one value attribute from an object. The attribute is identified by the argument id.</span> |
| <span class="doccomment">/// Function is similar to [TransientObject::value_attribute](TransientObject::value_attribute) besides extra errors.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Errors</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `CorruptObject`: If the [PersistentObject](PersistentObject) is corrupt. The object handle is closed.</span> |
| <span class="doccomment">/// 2) `StorageNotAvailable`: If the [PersistentObject](PersistentObject) is stored in a storage area which is</span> |
| <span class="doccomment">/// currently inaccessible.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">value_attribute</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">id</span>: <span class="ident">u32</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>(<span class="ident">u32</span>, <span class="ident">u32</span>)<span class="op">></span> { |
| <span class="self">self</span>.<span class="number">0</span>.<span class="ident">value_attribute</span>(<span class="ident">id</span>) |
| } |
| |
| <span class="doccomment">/// Read requested size from the data stream assoicate with the object into the buffer.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Parameters</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `buffer`: A pre-allocated buffer for saving the object's data stream.</span> |
| <span class="doccomment">/// 2) `count`: The returned value contains the number of bytes read.</span> |
| <span class="doccomment">/// # Example</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// ```no_run</span> |
| <span class="doccomment">/// let obj_id = [1u8;1];</span> |
| <span class="doccomment">/// match PersistentObject::open (</span> |
| <span class="doccomment">/// ObjectStorageConstants::Private,</span> |
| <span class="doccomment">/// &obj_id,</span> |
| <span class="doccomment">/// DataFlag::ACCESS_READ) {</span> |
| <span class="doccomment">/// Ok(object) =></span> |
| <span class="doccomment">/// {</span> |
| <span class="doccomment">/// let read_buf = [0u8;16];</span> |
| <span class="doccomment">/// object.read(&mut read_buf)?;</span> |
| <span class="doccomment">/// Ok(())</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// Err(e) => Err(e),</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// ```</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Errors</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `CorruptObject`: If the [PersistentObject](PersistentObject) is corrupt. The object handle is closed.</span> |
| <span class="doccomment">/// 2) `StorageNotAvailable`: If the [PersistentObject](PersistentObject) is stored in a storage area which is</span> |
| <span class="doccomment">/// currently inaccessible.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Panics</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) If object is not a valid opened object.</span> |
| <span class="doccomment">/// 2) If the Implementation detects any other error associated with this function which is not</span> |
| <span class="doccomment">/// explicitly associated with a defined return code for this function.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">read</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">buf</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">u8</span>]) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">u32</span><span class="op">></span> { |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">count</span>: <span class="ident">usize</span> <span class="op">=</span> <span class="number">0</span>; |
| <span class="kw">match</span> <span class="kw">unsafe</span> { |
| <span class="ident">raw::TEE_ReadObjectData</span>( |
| <span class="self">self</span>.<span class="ident">handle</span>(), |
| <span class="ident">buf</span>.<span class="ident">as_mut_ptr</span>() <span class="kw">as</span> <span class="kw">_</span>, |
| <span class="ident">buf</span>.<span class="ident">len</span>(), |
| <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">count</span>, |
| ) |
| } { |
| <span class="ident">raw::TEE_SUCCESS</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>(<span class="ident">count</span> <span class="kw">as</span> <span class="ident">u32</span>), |
| <span class="ident">code</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Err</span>(<span class="ident">Error::from_raw_error</span>(<span class="ident">code</span>)), |
| } |
| } |
| |
| <span class="doccomment">/// Write the passed in buffer data into from the data stream assoicate with the object.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Parameters</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `buffer`: A pre-allocated buffer for saving the object's data stream.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Example</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// ```no_run</span> |
| <span class="doccomment">/// let obj_id = [1u8;1];</span> |
| <span class="doccomment">/// match PersistentObject::open (</span> |
| <span class="doccomment">/// ObjectStorageConstants::Private,</span> |
| <span class="doccomment">/// &obj_id,</span> |
| <span class="doccomment">/// DataFlag::ACCESS_WRITE) {</span> |
| <span class="doccomment">/// Ok(object) =></span> |
| <span class="doccomment">/// {</span> |
| <span class="doccomment">/// let write_buf = [1u8;16];</span> |
| <span class="doccomment">/// object.write(& write_buf)?;</span> |
| <span class="doccomment">/// Ok(())</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// Err(e) => Err(e),</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// ```</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Errors</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `StorageNoSpace`: If insufficient storage space is available.</span> |
| <span class="doccomment">/// 2) `Overflow`: If the value of the data position indicator resulting from this operation</span> |
| <span class="doccomment">/// would be greater than</span> |
| <span class="doccomment">/// [MiscellaneousConstants::TeeDataMaxPosition](MiscellaneousConstants::TeeDataMaxPosition).</span> |
| <span class="doccomment">/// 3) `CorruptObject`: If the [PersistentObject](PersistentObject) is corrupt. The object handle is closed.</span> |
| <span class="doccomment">/// 4) `StorageNotAvailable`: If the [PersistentObject](PersistentObject) is stored in a storage area which is</span> |
| <span class="doccomment">/// currently inaccessible.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Panics</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) If object is not a valid opened object.</span> |
| <span class="doccomment">/// 2) If the Implementation detects any other error associated with this function which is not</span> |
| <span class="doccomment">/// explicitly associated with a defined return code for this function.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">write</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">buf</span>: <span class="kw-2">&</span>[<span class="ident">u8</span>]) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { |
| <span class="kw">match</span> <span class="kw">unsafe</span> { |
| <span class="ident">raw::TEE_WriteObjectData</span>(<span class="self">self</span>.<span class="ident">handle</span>(), <span class="ident">buf</span>.<span class="ident">as_ptr</span>() <span class="kw">as</span> <span class="kw">_</span>, <span class="ident">buf</span>.<span class="ident">len</span>()) |
| } { |
| <span class="ident">raw::TEE_SUCCESS</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>(()), |
| <span class="ident">code</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Err</span>(<span class="ident">Error::from_raw_error</span>(<span class="ident">code</span>)), |
| } |
| } |
| |
| <span class="doccomment">/// Change the size of a data stream associate with the object.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Example</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// ```no_run</span> |
| <span class="doccomment">/// let obj_id = [1u8;1];</span> |
| <span class="doccomment">/// match PersistentObject::open (</span> |
| <span class="doccomment">/// ObjectStorageConstants::Private,</span> |
| <span class="doccomment">/// &obj_id,</span> |
| <span class="doccomment">/// DataFlag::ACCESS_WRITE) {</span> |
| <span class="doccomment">/// Ok(object) =></span> |
| <span class="doccomment">/// {</span> |
| <span class="doccomment">/// object.truncate(1u32)?;</span> |
| <span class="doccomment">/// Ok(())</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// Err(e) => Err(e),</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// ```</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Errors</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `StorageNoSpace`: If insufficient storage space is available.</span> |
| <span class="doccomment">/// would be greater than</span> |
| <span class="doccomment">/// [MiscellaneousConstants::TeeDataMaxPosition](MiscellaneousConstants::TeeDataMaxPosition).</span> |
| <span class="doccomment">/// 2) `CorruptObject`: If the [PersistentObject](PersistentObject) is corrupt. The object handle is closed.</span> |
| <span class="doccomment">/// 3) `StorageNotAvailable`: If the [PersistentObject](PersistentObject) is stored in a storage area which is</span> |
| <span class="doccomment">/// currently inaccessible.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Panics</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) If object is not a valid opened object.</span> |
| <span class="doccomment">/// 2) If the Implementation detects any other error associated with this function which is not</span> |
| <span class="doccomment">/// explicitly associated with a defined return code for this function.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">truncate</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">size</span>: <span class="ident">u32</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { |
| <span class="kw">match</span> <span class="kw">unsafe</span> { <span class="ident">raw::TEE_TruncateObjectData</span>(<span class="self">self</span>.<span class="ident">handle</span>(), <span class="ident">size</span> <span class="kw">as</span> <span class="ident">usize</span>) } { |
| <span class="ident">raw::TEE_SUCCESS</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>(()), |
| <span class="ident">code</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Err</span>(<span class="ident">Error::from_raw_error</span>(<span class="ident">code</span>)), |
| } |
| } |
| |
| <span class="doccomment">/// Set the data position indicator associate with the object.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Parameters</span> |
| <span class="doccomment">/// 1) `whence`: Defined in [Whence](Whence).</span> |
| <span class="doccomment">/// 2) `offset`: The bytes shifted based on `whence`.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Example</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// ```no_run</span> |
| <span class="doccomment">/// let obj_id = [1u8;1];</span> |
| <span class="doccomment">/// match PersistentObject::open(</span> |
| <span class="doccomment">/// ObjectStorageConstants::Private,</span> |
| <span class="doccomment">/// &obj_id,</span> |
| <span class="doccomment">/// DataFlag::ACCESS_WRITE) {</span> |
| <span class="doccomment">/// Ok(object) =></span> |
| <span class="doccomment">/// {</span> |
| <span class="doccomment">/// object.seek(0i32, Whence::DataSeekSet)?;</span> |
| <span class="doccomment">/// Ok(())</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// Err(e) => Err(e),</span> |
| <span class="doccomment">/// }</span> |
| <span class="doccomment">/// ```</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Errors</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) `Overflow`: If data position indicator is greater than</span> |
| <span class="doccomment">/// [MiscellaneousConstants::TeeDataMaxPosition](MiscellaneousConstants::TeeDataMaxPosition).</span> |
| <span class="doccomment">/// 2) `CorruptObject`: If the [PersistentObject](PersistentObject) is corrupt. The object handle is closed.</span> |
| <span class="doccomment">/// 3) `StorageNotAvailable`: If the [PersistentObject](PersistentObject) is stored in a storage area which is</span> |
| <span class="doccomment">/// currently inaccessible.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Panics</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) If object is not a valid opened object.</span> |
| <span class="doccomment">/// 2) If the Implementation detects any other error associated with this function which is not</span> |
| <span class="doccomment">/// explicitly associated with a defined return code for this function.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">seek</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">offset</span>: <span class="ident">i32</span>, <span class="ident">whence</span>: <span class="ident">Whence</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { |
| <span class="kw">match</span> <span class="kw">unsafe</span> { <span class="ident">raw::TEE_SeekObjectData</span>(<span class="self">self</span>.<span class="ident">handle</span>(), <span class="ident">offset</span>, <span class="ident">whence</span>.<span class="ident">into</span>()) } { |
| <span class="ident">raw::TEE_SUCCESS</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>(()), |
| <span class="ident">code</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Err</span>(<span class="ident">Error::from_raw_error</span>(<span class="ident">code</span>)), |
| } |
| } |
| } |
| |
| <span class="kw">impl</span> <span class="ident">ObjHandle</span> <span class="kw">for</span> <span class="ident">PersistentObject</span> { |
| <span class="kw">fn</span> <span class="ident">handle</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">raw::TEE_ObjectHandle</span> { |
| <span class="self">self</span>.<span class="number">0</span>.<span class="ident">handle</span>() |
| } |
| } |
| |
| <span class="kw">impl</span> <span class="ident">Drop</span> <span class="kw">for</span> <span class="ident">PersistentObject</span> { |
| <span class="doccomment">/// Close an opened [PersistentObject](PersistentObject).</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Panics</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) If object is not a valid opened object.</span> |
| <span class="doccomment">/// 2) If the Implementation detects any other error associated with this function which is not</span> |
| <span class="doccomment">/// explicitly associated with a defined return code for this function.</span> |
| <span class="kw">fn</span> <span class="ident">drop</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) { |
| <span class="kw">unsafe</span> { |
| <span class="kw">if</span> <span class="self">self</span>.<span class="number">0</span>.<span class="ident">raw</span> <span class="op">!</span><span class="op">=</span> <span class="ident">Box::into_raw</span>(<span class="ident">Box::new</span>(<span class="ident">ptr::null_mut</span>())) { |
| <span class="ident">raw::TEE_CloseObject</span>(<span class="self">self</span>.<span class="number">0</span>.<span class="ident">handle</span>()); |
| } |
| <span class="ident">Box::from_raw</span>(<span class="self">self</span>.<span class="number">0</span>.<span class="ident">raw</span>); |
| } |
| } |
| } |
| |
| <span class="comment">// The examples and detailed function explanation will be added after we test this struct and its</span> |
| <span class="comment">// functions.</span> |
| <span class="doccomment">/// An enumerator for [PersistentObject](PersistentObject)s.</span> |
| <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">ObjectEnumHandle</span> { |
| <span class="ident">raw</span>: <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="ident">raw::TEE_ObjectEnumHandle</span>, |
| } |
| |
| <span class="kw">impl</span> <span class="ident">ObjectEnumHandle</span> { |
| <span class="doccomment">/// Allocate an object enumerator.</span> |
| <span class="doccomment">/// Once an object enumerator has been allocated, it can be reused for multiple enumerations.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">allocate</span>() <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="self">Self</span><span class="op">></span> { |
| <span class="kw">let</span> <span class="ident">raw_handle</span>: <span class="kw-2">*</span><span class="kw-2">mut</span> <span class="ident">raw::TEE_ObjectEnumHandle</span> <span class="op">=</span> <span class="ident">Box::into_raw</span>(<span class="ident">Box::new</span>(<span class="ident">ptr::null_mut</span>())); |
| <span class="kw">match</span> <span class="kw">unsafe</span> { <span class="ident">raw::TEE_AllocatePersistentObjectEnumerator</span>(<span class="ident">raw_handle</span>) } { |
| <span class="ident">raw::TEE_SUCCESS</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>(<span class="self">Self</span> { <span class="ident">raw</span>: <span class="ident">raw_handle</span> }), |
| <span class="ident">code</span> <span class="op">=</span><span class="op">></span> { |
| <span class="kw">unsafe</span> { |
| <span class="ident">Box::from_raw</span>(<span class="ident">raw_handle</span>); |
| } |
| <span class="prelude-val">Err</span>(<span class="ident">Error::from_raw_error</span>(<span class="ident">code</span>)) |
| } |
| } |
| } |
| |
| <span class="doccomment">/// Reset an object enumerator handle to its initial state after allocation.</span> |
| <span class="doccomment">/// If an enumeration has been started, it is stopped.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">reset</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) { |
| <span class="kw">unsafe</span> { |
| <span class="ident">raw::TEE_ResetPersistentObjectEnumerator</span>(<span class="kw-2">*</span><span class="self">self</span>.<span class="ident">raw</span>); |
| } |
| } |
| |
| <span class="doccomment">/// Start the enumeration of all the [PersistentObject](PersistentObject)s in a given Trusted Storage.</span> |
| <span class="doccomment">/// The object information can be retrieved by calling the function</span> |
| <span class="doccomment">/// [ObjectEnumHandle::get_next](ObjectEnumHandle::get_next) repeatedly.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">start</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">storage_id</span>: <span class="ident">u32</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span>()<span class="op">></span> { |
| <span class="kw">match</span> <span class="kw">unsafe</span> { <span class="ident">raw::TEE_StartPersistentObjectEnumerator</span>(<span class="kw-2">*</span><span class="self">self</span>.<span class="ident">raw</span>, <span class="ident">storage_id</span>) } { |
| <span class="ident">raw::TEE_SUCCESS</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>(()), |
| <span class="ident">code</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Err</span>(<span class="ident">Error::from_raw_error</span>(<span class="ident">code</span>)), |
| } |
| } |
| |
| <span class="doccomment">/// Get the next object in an enumeration and returns information about the object: type, size, identifier, etc.</span> |
| <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_next</span><span class="op"><</span><span class="ident">T</span><span class="op">></span>( |
| <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, |
| <span class="ident">object_info</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">ObjectInfo</span>, |
| <span class="ident">object_id</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> [<span class="ident">u8</span>], |
| ) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">u32</span><span class="op">></span> { |
| <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">object_id_len</span>: <span class="ident">usize</span> <span class="op">=</span> <span class="number">0</span>; |
| <span class="kw">match</span> <span class="kw">unsafe</span> { |
| <span class="ident">raw::TEE_GetNextPersistentObject</span>( |
| <span class="kw-2">*</span><span class="self">self</span>.<span class="ident">raw</span>, |
| <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">object_info</span>.<span class="ident">raw</span>, |
| <span class="ident">object_id</span>.<span class="ident">as_mut_ptr</span>() <span class="kw">as</span> <span class="kw">_</span>, |
| <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">object_id_len</span>, |
| ) |
| } { |
| <span class="ident">raw::TEE_SUCCESS</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>(<span class="ident">object_id_len</span> <span class="kw">as</span> <span class="ident">u32</span>), |
| <span class="ident">code</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Err</span>(<span class="ident">Error::from_raw_error</span>(<span class="ident">code</span>)), |
| } |
| } |
| } |
| |
| <span class="kw">impl</span> <span class="ident">Drop</span> <span class="kw">for</span> <span class="ident">ObjectEnumHandle</span> { |
| <span class="doccomment">/// Deallocates all resources associated with an object enumerator handle. After this function is called, the handle is no longer valid.</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// # Panics</span> |
| <span class="doccomment">///</span> |
| <span class="doccomment">/// 1) If object is not a valid opened object.</span> |
| <span class="doccomment">/// 2) If the Implementation detects any other error.</span> |
| <span class="kw">fn</span> <span class="ident">drop</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) { |
| <span class="kw">unsafe</span> { |
| <span class="ident">raw::TEE_FreePersistentObjectEnumerator</span>(<span class="kw-2">*</span><span class="self">self</span>.<span class="ident">raw</span>); |
| <span class="ident">Box::from_raw</span>(<span class="self">self</span>.<span class="ident">raw</span>); |
| } |
| } |
| } |
| </code></pre></div> |
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