| <!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 `/root/sunhe/incubator-teaclave/third_party/rust-sgx-sdk/sgx_protected_fs/tfs/src/sys/keys.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>keys.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../normalize.css"><link rel="stylesheet" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../ayu.css" disabled><link rel="stylesheet" href="../../../dark.css" disabled><link rel="stylesheet" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="../../../source-script.js"></script><script defer src="../../../source-files.js"></script><script defer src="../../../main.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"></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"><a class="sidebar-logo" href="../../../sgx_tprotected_fs/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../sgx_tprotected_fs/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
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| </pre><pre class="rust"><code><span class="comment">// Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License.. |
| |
| </span><span class="kw">use </span><span class="kw">crate</span>::sys::error::FsResult; |
| <span class="kw">use </span><span class="kw">crate</span>::sys::file::OpenMode; |
| <span class="kw">use </span>sgx_crypto::mac::AesCMac; |
| <span class="kw">use </span>sgx_rand::{RdRand, Rng}; |
| <span class="attribute">#[cfg(feature = <span class="string">"tfs"</span>)] |
| </span><span class="kw">use </span>sgx_tse::{EnclaveKey, EnclaveReport}; |
| <span class="kw">use </span>sgx_types::error::errno::<span class="kw-2">*</span>; |
| <span class="kw">use </span>sgx_types::marker::ContiguousMemory; |
| <span class="attribute">#[cfg(feature = <span class="string">"tfs"</span>)] |
| </span><span class="kw">use </span>sgx_types::types::{ |
| Attributes, AttributesFlags, KeyName, KeyRequest, Report, TSEAL_DEFAULT_MISCMASK, |
| }; |
| <span class="kw">use </span>sgx_types::types::{CpuSvn, Key128bit, KeyId, KeyPolicy}; |
| <span class="attribute">#[cfg(feature = <span class="string">"tfs"</span>)] |
| </span><span class="kw">use </span>std::boxed::Box; |
| |
| <span class="kw">pub trait </span>DeriveKey { |
| <span class="kw">fn </span>derive_key(<span class="kw-2">&mut </span><span class="self">self</span>, key_type: KeyType, node_number: u64) -> FsResult<(Key128bit, KeyId)>; |
| } |
| |
| <span class="kw">pub trait </span>RestoreKey { |
| <span class="kw">fn </span>restore_key( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| key_type: KeyType, |
| key_id: KeyId, |
| key_policy: <span class="prelude-ty">Option</span><KeyPolicy>, |
| cpu_svn: <span class="prelude-ty">Option</span><CpuSvn>, |
| isv_svn: <span class="prelude-ty">Option</span><u16>, |
| ) -> FsResult<Key128bit>; |
| } |
| |
| <span class="attribute">#[derive(Copy, Clone, Debug, Eq, PartialEq)] |
| </span><span class="kw">pub enum </span>KeyType { |
| Metadata, |
| Master, |
| Random, |
| } |
| |
| <span class="attribute">#[derive(Clone, Debug, Default)] |
| </span><span class="kw">pub struct </span>MasterKey { |
| key: Key128bit, |
| key_id: KeyId, |
| count: u32, |
| } |
| |
| <span class="kw">impl </span>MasterKey { |
| <span class="kw">fn </span>new() -> FsResult<MasterKey> { |
| <span class="kw">let </span>(key, key_id) = KdfInput::derive_key(<span class="kw-2">&</span>Key128bit::default(), KeyType::Master, <span class="number">0</span>)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(MasterKey { |
| key, |
| key_id, |
| count: <span class="number">0</span>, |
| }) |
| } |
| |
| <span class="kw">fn </span>update(<span class="kw-2">&mut </span><span class="self">self</span>) -> FsResult<(Key128bit, KeyId)> { |
| <span class="kw">const </span>MAX_USAGES: u32 = <span class="number">65536</span>; |
| |
| <span class="kw">if </span><span class="self">self</span>.count >= MAX_USAGES { |
| <span class="kw-2">*</span><span class="self">self </span>= <span class="self">Self</span>::new()<span class="question-mark">?</span>; |
| } <span class="kw">else </span>{ |
| <span class="self">self</span>.count += <span class="number">1</span>; |
| } |
| <span class="prelude-val">Ok</span>((<span class="self">self</span>.key, <span class="self">self</span>.key_id)) |
| } |
| } |
| |
| <span class="kw">impl </span>DeriveKey <span class="kw">for </span>MasterKey { |
| <span class="kw">fn </span>derive_key(<span class="kw-2">&mut </span><span class="self">self</span>, key_type: KeyType, node_number: u64) -> FsResult<(Key128bit, KeyId)> { |
| <span class="kw">match </span>key_type { |
| KeyType::Master => <span class="self">self</span>.update(), |
| KeyType::Random => { |
| <span class="kw">let </span>(key, <span class="kw">_</span>) = <span class="self">self</span>.update()<span class="question-mark">?</span>; |
| KdfInput::derive_key(<span class="kw-2">&</span>key, KeyType::Random, node_number) |
| } |
| <span class="kw">_ </span>=> <span class="prelude-val">Err</span>(<span class="macro">eos!</span>(ENOTSUP)), |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>RestoreKey <span class="kw">for </span>MasterKey { |
| <span class="kw">fn </span>restore_key( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| _key_type: KeyType, |
| _key_id: KeyId, |
| _key_policy: <span class="prelude-ty">Option</span><KeyPolicy>, |
| _cpu_svn: <span class="prelude-ty">Option</span><CpuSvn>, |
| _isv_svn: <span class="prelude-ty">Option</span><u16>, |
| ) -> FsResult<Key128bit> { |
| <span class="prelude-val">Err</span>(<span class="macro">eos!</span>(ENOTSUP)) |
| } |
| } |
| |
| <span class="kw">impl </span>Drop <span class="kw">for </span>MasterKey { |
| <span class="kw">fn </span>drop(<span class="kw-2">&mut </span><span class="self">self</span>) { |
| <span class="self">self</span>.count = <span class="number">0</span>; |
| <span class="self">self</span>.key.fill(<span class="number">0</span>) |
| } |
| } |
| |
| <span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub enum </span>MetadataKey { |
| UserKey(Key128bit), |
| <span class="attribute">#[cfg(feature = <span class="string">"tfs"</span>)] |
| </span>AutoKey { |
| report: Box<Report>, |
| key_policy: <span class="prelude-ty">Option</span><KeyPolicy>, |
| }, |
| } |
| |
| <span class="kw">impl </span>MetadataKey { |
| <span class="attribute">#[allow(unused_variables)] |
| </span><span class="kw">fn </span>new(user_key: <span class="prelude-ty">Option</span><Key128bit>, key_policy: <span class="prelude-ty">Option</span><KeyPolicy>) -> FsResult<MetadataKey> { |
| <span class="kw">if let </span><span class="prelude-val">Some</span>(user_key) = user_key { |
| <span class="prelude-val">Ok</span>(<span class="self">Self</span>::UserKey(user_key)) |
| } <span class="kw">else </span>{ |
| <span class="macro">cfg_if! </span>{ |
| <span class="kw">if </span><span class="attribute">#[cfg(feature = <span class="string">"tfs"</span>)] </span>{ |
| <span class="prelude-val">Ok</span>(<span class="self">Self</span>::AutoKey { |
| report: Box::new(<span class="kw-2">*</span>Report::get_self()), |
| key_policy, |
| }) |
| } <span class="kw">else </span>{ |
| <span class="prelude-val">Err</span>(<span class="macro">eos!</span>(ENOTSUP)) |
| } |
| } |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>DeriveKey <span class="kw">for </span>MetadataKey { |
| <span class="kw">fn </span>derive_key(<span class="kw-2">&mut </span><span class="self">self</span>, key_type: KeyType, _node_number: u64) -> FsResult<(Key128bit, KeyId)> { |
| <span class="macro">ensure!</span>(key_type == KeyType::Metadata, <span class="macro">eos!</span>(EINVAL)); |
| |
| <span class="kw">match </span><span class="self">self </span>{ |
| <span class="self">Self</span>::UserKey(<span class="kw-2">ref </span>user_key) => KdfInput::derive_key(user_key, KeyType::Metadata, <span class="number">0</span>), |
| <span class="attribute">#[cfg(feature = <span class="string">"tfs"</span>)] |
| </span><span class="self">Self</span>::AutoKey { |
| <span class="kw-2">ref </span>report, |
| <span class="kw-2">ref </span>key_policy, |
| } => { |
| <span class="kw">let </span><span class="kw-2">mut </span>rng = RdRand::new().map_err(|<span class="kw">_</span>| ENOTSUP)<span class="question-mark">?</span>; |
| <span class="kw">let </span><span class="kw-2">mut </span>key_id = KeyId::default(); |
| rng.fill_bytes(key_id.as_mut()); |
| |
| <span class="kw">let </span>key_request = KeyRequest { |
| key_name: KeyName::Seal, |
| key_policy: key_policy.unwrap_or(KeyPolicy::MRSIGNER), |
| isv_svn: report.body.isv_svn, |
| cpu_svn: report.body.cpu_svn, |
| attribute_mask: Attributes { |
| flags: AttributesFlags::DEFAULT_MASK, |
| xfrm: <span class="number">0</span>, |
| }, |
| key_id, |
| misc_mask: TSEAL_DEFAULT_MISCMASK, |
| ..Default::default() |
| }; |
| <span class="kw">let </span>key = key_request.get_key()<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>((key, key_id)) |
| } |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>RestoreKey <span class="kw">for </span>MetadataKey { |
| <span class="attribute">#[allow(unused_variables)] |
| </span><span class="kw">fn </span>restore_key( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| key_type: KeyType, |
| key_id: KeyId, |
| key_policy: <span class="prelude-ty">Option</span><KeyPolicy>, |
| cpu_svn: <span class="prelude-ty">Option</span><CpuSvn>, |
| isv_svn: <span class="prelude-ty">Option</span><u16>, |
| ) -> FsResult<Key128bit> { |
| <span class="macro">ensure!</span>(key_type == KeyType::Metadata, <span class="macro">eos!</span>(EINVAL)); |
| |
| <span class="kw">match </span><span class="self">self </span>{ |
| <span class="self">Self</span>::UserKey(<span class="kw-2">ref </span>user_key) => { |
| KdfInput::restore_key(user_key, KeyType::Metadata, <span class="number">0</span>, key_id) |
| } |
| <span class="attribute">#[cfg(feature = <span class="string">"tfs"</span>)] |
| </span><span class="self">Self</span>::AutoKey { .. } => { |
| <span class="kw">let </span>cpu_svn = cpu_svn.ok_or(EINVAL)<span class="question-mark">?</span>; |
| <span class="kw">let </span>isv_svn = isv_svn.ok_or(EINVAL)<span class="question-mark">?</span>; |
| |
| <span class="kw">let </span>key_request = KeyRequest { |
| key_name: KeyName::Seal, |
| key_policy: key_policy.unwrap_or(KeyPolicy::MRSIGNER), |
| isv_svn, |
| cpu_svn, |
| attribute_mask: Attributes { |
| flags: AttributesFlags::DEFAULT_MASK, |
| xfrm: <span class="number">0</span>, |
| }, |
| key_id, |
| misc_mask: TSEAL_DEFAULT_MISCMASK, |
| ..Default::default() |
| }; |
| <span class="kw">let </span>key = key_request.get_key()<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(key) |
| } |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>Drop <span class="kw">for </span>MetadataKey { |
| <span class="kw">fn </span>drop(<span class="kw-2">&mut </span><span class="self">self</span>) { |
| <span class="kw">match </span><span class="self">self </span>{ |
| <span class="self">Self</span>::UserKey(<span class="kw-2">ref mut </span>key) => key.fill(<span class="number">0</span>), |
| <span class="attribute">#[cfg(feature = <span class="string">"tfs"</span>)] |
| </span><span class="self">Self</span>::AutoKey { .. } => {} |
| } |
| } |
| } |
| |
| <span class="attribute">#[derive(Clone, Copy, Debug)] |
| #[repr(C)] |
| </span><span class="kw">struct </span>KdfInput { |
| index: u32, |
| label: [u8; <span class="number">64</span>], |
| _pad1: u32, |
| node_number: u64, |
| nonce: KeyId, |
| output_len: u32, |
| _pad2: u32, |
| } |
| |
| <span class="macro">impl_struct_default! </span>{ |
| KdfInput; |
| } |
| |
| <span class="kw">unsafe impl </span>ContiguousMemory <span class="kw">for </span>KdfInput {} |
| |
| <span class="kw">impl </span>KdfInput { |
| <span class="kw">const </span>MASTER_KEY_NAME: <span class="kw-2">&</span><span class="lifetime">'static </span>str = <span class="string">"SGX-PROTECTED-FS-MASTER-KEY"</span>; |
| <span class="kw">const </span>RANDOM_KEY_NAME: <span class="kw-2">&</span><span class="lifetime">'static </span>str = <span class="string">"SGX-PROTECTED-FS-RANDOM-KEY"</span>; |
| <span class="kw">const </span>METADATA_KEY_NAME: <span class="kw-2">&</span><span class="lifetime">'static </span>str = <span class="string">"SGX-PROTECTED-FS-METADATA-KEY"</span>; |
| |
| <span class="kw">fn </span>derive_key( |
| key: <span class="kw-2">&</span>Key128bit, |
| key_type: KeyType, |
| node_number: u64, |
| ) -> FsResult<(Key128bit, KeyId)> { |
| <span class="kw">let </span><span class="kw-2">mut </span>rng = RdRand::new().map_err(|<span class="kw">_</span>| ENOTSUP)<span class="question-mark">?</span>; |
| <span class="kw">let </span>label = <span class="kw">match </span>key_type { |
| KeyType::Metadata => <span class="self">Self</span>::METADATA_KEY_NAME, |
| KeyType::Master => <span class="self">Self</span>::MASTER_KEY_NAME, |
| KeyType::Random => <span class="self">Self</span>::RANDOM_KEY_NAME, |
| }; |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>kdf = KdfInput { |
| index: <span class="number">0x01</span>, |
| output_len: <span class="number">0x80</span>, |
| node_number, |
| ..Default::default() |
| }; |
| kdf.label[<span class="number">0</span>..label.len()].copy_from_slice(label.as_bytes()); |
| rng.fill_bytes(kdf.nonce.as_mut()); |
| |
| <span class="kw">let </span>key = AesCMac::cmac(key, <span class="kw-2">&</span>kdf)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>((key, kdf.nonce)) |
| } |
| |
| <span class="kw">fn </span>restore_key( |
| key: <span class="kw-2">&</span>Key128bit, |
| key_type: KeyType, |
| node_number: u64, |
| key_id: KeyId, |
| ) -> FsResult<Key128bit> { |
| <span class="kw">let </span>label = <span class="kw">match </span>key_type { |
| KeyType::Metadata => <span class="self">Self</span>::METADATA_KEY_NAME, |
| KeyType::Master => <span class="self">Self</span>::MASTER_KEY_NAME, |
| KeyType::Random => <span class="self">Self</span>::RANDOM_KEY_NAME, |
| }; |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>kdf = KdfInput { |
| index: <span class="number">0x01</span>, |
| output_len: <span class="number">0x80</span>, |
| node_number, |
| nonce: key_id, |
| ..Default::default() |
| }; |
| kdf.label[<span class="number">0</span>..label.len()].copy_from_slice(label.as_bytes()); |
| |
| <span class="kw">let </span>key = AesCMac::cmac(key, <span class="kw-2">&</span>kdf)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(key) |
| } |
| } |
| |
| <span class="attribute">#[derive(Clone, Debug)] |
| </span><span class="kw">pub enum </span>FsKeyGen { |
| EncryptWithIntegrity(MetadataKey, MasterKey), |
| IntegrityOnly, |
| Import(MetadataKey), |
| Export(MetadataKey), |
| } |
| |
| <span class="kw">impl </span>FsKeyGen { |
| <span class="kw">pub fn </span>new(mode: <span class="kw-2">&</span>OpenMode) -> FsResult<FsKeyGen> { |
| <span class="kw">match </span>mode { |
| OpenMode::AutoKey(key_policy) => <span class="prelude-val">Ok</span>(<span class="self">Self</span>::EncryptWithIntegrity( |
| MetadataKey::new(<span class="prelude-val">None</span>, <span class="prelude-val">Some</span>(<span class="kw-2">*</span>key_policy))<span class="question-mark">?</span>, |
| MasterKey::new()<span class="question-mark">?</span>, |
| )), |
| OpenMode::UserKey(user_key) => <span class="prelude-val">Ok</span>(<span class="self">Self</span>::EncryptWithIntegrity( |
| MetadataKey::new(<span class="prelude-val">Some</span>(<span class="kw-2">*</span>user_key), <span class="prelude-val">None</span>)<span class="question-mark">?</span>, |
| MasterKey::new()<span class="question-mark">?</span>, |
| )), |
| OpenMode::IntegrityOnly => <span class="prelude-val">Ok</span>(<span class="self">Self</span>::IntegrityOnly), |
| OpenMode::ImportKey((<span class="kw">_</span>, key_policy)) => { |
| <span class="prelude-val">Ok</span>(<span class="self">Self</span>::Import(MetadataKey::new(<span class="prelude-val">None</span>, <span class="prelude-val">Some</span>(<span class="kw-2">*</span>key_policy))<span class="question-mark">?</span>)) |
| } |
| OpenMode::ExportKey => <span class="prelude-val">Ok</span>(<span class="self">Self</span>::Export(MetadataKey::new(<span class="prelude-val">None</span>, <span class="prelude-val">None</span>)<span class="question-mark">?</span>)), |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>DeriveKey <span class="kw">for </span>FsKeyGen { |
| <span class="kw">fn </span>derive_key(<span class="kw-2">&mut </span><span class="self">self</span>, key_type: KeyType, node_number: u64) -> FsResult<(Key128bit, KeyId)> { |
| <span class="kw">match </span><span class="self">self </span>{ |
| <span class="self">Self</span>::EncryptWithIntegrity(metadata_key, master_key) => <span class="kw">match </span>key_type { |
| KeyType::Metadata => metadata_key.derive_key(KeyType::Metadata, <span class="number">0</span>), |
| KeyType::Master => master_key.derive_key(KeyType::Master, <span class="number">0</span>), |
| KeyType::Random => master_key.derive_key(KeyType::Random, node_number), |
| }, |
| <span class="self">Self</span>::IntegrityOnly => <span class="prelude-val">Ok</span>((Key128bit::default(), KeyId::default())), |
| <span class="self">Self</span>::Import(metadata_key) => { |
| <span class="macro">ensure!</span>(key_type == KeyType::Metadata, <span class="macro">eos!</span>(EINVAL)); |
| metadata_key.derive_key(KeyType::Metadata, <span class="number">0</span>) |
| } |
| <span class="self">Self</span>::Export(<span class="kw">_</span>) => <span class="prelude-val">Err</span>(<span class="macro">eos!</span>(EINVAL)), |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>RestoreKey <span class="kw">for </span>FsKeyGen { |
| <span class="kw">fn </span>restore_key( |
| <span class="kw-2">&</span><span class="self">self</span>, |
| key_type: KeyType, |
| key_id: KeyId, |
| key_policy: <span class="prelude-ty">Option</span><KeyPolicy>, |
| cpu_svn: <span class="prelude-ty">Option</span><CpuSvn>, |
| isv_svn: <span class="prelude-ty">Option</span><u16>, |
| ) -> FsResult<Key128bit> { |
| <span class="kw">match </span><span class="self">self </span>{ |
| <span class="self">Self</span>::EncryptWithIntegrity(metadata_key, <span class="kw">_</span>) => <span class="kw">match </span>key_type { |
| KeyType::Metadata => { |
| metadata_key.restore_key(key_type, key_id, key_policy, cpu_svn, isv_svn) |
| } |
| KeyType::Master | KeyType::Random => <span class="prelude-val">Err</span>(<span class="macro">eos!</span>(EINVAL)), |
| }, |
| <span class="self">Self</span>::IntegrityOnly => <span class="prelude-val">Ok</span>(Key128bit::default()), |
| <span class="self">Self</span>::Import(<span class="kw">_</span>) => <span class="prelude-val">Err</span>(<span class="macro">eos!</span>(EINVAL)), |
| <span class="self">Self</span>::Export(metadata_key) => <span class="kw">match </span>key_type { |
| KeyType::Metadata => { |
| metadata_key.restore_key(key_type, key_id, key_policy, cpu_svn, isv_svn) |
| } |
| KeyType::Master | KeyType::Random => <span class="prelude-val">Err</span>(<span class="macro">eos!</span>(EINVAL)), |
| }, |
| } |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="sgx_tprotected_fs" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
