| <!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/.cargo/registry/src/github.com-1ecc6299db9ec823/sha1_smol-1.0.0/src/lib.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>lib.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="../../sha1_smol/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="../../sha1_smol/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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| <span id="789">789</span> |
| <span id="790">790</span> |
| </pre><pre class="rust"><code><span class="doccomment">//! A minimal implementation of SHA1 for rust. |
| //! |
| //! This implementation supports no_std which is the default mode. The |
| //! following features are available and can be optionally enabled: |
| //! |
| //! * ``serde``: when enabled the `Digest` type can be serialized. |
| //! * ``std``: when enabled errors from this library implement `std::error::Error` |
| //! and the `hexdigest` shortcut becomes available. |
| //! |
| //! ## Example |
| //! |
| //! ```rust |
| //! # fn main() { |
| //! |
| //! let mut m = sha1_smol::Sha1::new(); |
| //! m.update(b"Hello World!"); |
| //! assert_eq!(m.digest().to_string(), |
| //! "2ef7bde608ce5404e97d5f042f95f89f1c232871"); |
| //! # } |
| //! ``` |
| //! |
| //! The sha1 object can be updated multiple times. If you only need to use |
| //! it once you can also use shortcuts (requires std): |
| //! |
| //! ``` |
| //! # trait X { fn hexdigest(&self) -> &'static str { "2ef7bde608ce5404e97d5f042f95f89f1c232871" }} |
| //! # impl X for sha1_smol::Sha1 {} |
| //! # fn main() { |
| //! assert_eq!(sha1_smol::Sha1::from("Hello World!").hexdigest(), |
| //! "2ef7bde608ce5404e97d5f042f95f89f1c232871"); |
| //! # } |
| //! ``` |
| |
| </span><span class="attribute">#![no_std] |
| #![deny(missing_docs)] |
| #![allow(deprecated)] |
| #![allow(clippy::double_parens)] |
| #![allow(clippy::identity_op)] |
| |
| </span><span class="kw">use </span>core::cmp; |
| <span class="kw">use </span>core::fmt; |
| <span class="kw">use </span>core::hash; |
| <span class="kw">use </span>core::str; |
| |
| <span class="kw">mod </span>simd; |
| <span class="kw">use </span><span class="kw">crate</span>::simd::<span class="kw-2">*</span>; |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] |
| </span><span class="kw">extern crate </span>std; |
| |
| <span class="doccomment">/// The length of a SHA1 digest in bytes |
| </span><span class="kw">pub const </span>DIGEST_LENGTH: usize = <span class="number">20</span>; |
| |
| <span class="doccomment">/// Represents a Sha1 hash object in memory. |
| </span><span class="attribute">#[derive(Clone, PartialOrd, Ord, PartialEq, Eq, Hash)] |
| </span><span class="kw">pub struct </span>Sha1 { |
| state: Sha1State, |
| blocks: Blocks, |
| len: u64, |
| } |
| |
| <span class="kw">struct </span>Blocks { |
| len: u32, |
| block: [u8; <span class="number">64</span>], |
| } |
| |
| <span class="attribute">#[derive(Copy, Clone, PartialOrd, Ord, PartialEq, Eq, Hash, Default)] |
| </span><span class="kw">struct </span>Sha1State { |
| state: [u32; <span class="number">5</span>], |
| } |
| |
| <span class="doccomment">/// Digest generated from a `Sha1` instance. |
| /// |
| /// A digest can be formatted to view the digest as a hex string, or the bytes |
| /// can be extracted for later processing. |
| /// |
| /// To retrieve a hex string result call `to_string` on it (requires that std |
| /// is available). |
| /// |
| /// If the `serde` feature is enabled a digest can also be serialized and |
| /// deserialized. Likewise a digest can be parsed from a hex string. |
| </span><span class="attribute">#[derive(PartialOrd, Ord, PartialEq, Eq, Hash, Clone, Copy, Default)] |
| </span><span class="kw">pub struct </span>Digest { |
| data: Sha1State, |
| } |
| |
| <span class="kw">const </span>DEFAULT_STATE: Sha1State = Sha1State { |
| state: [<span class="number">0x67452301</span>, <span class="number">0xefcdab89</span>, <span class="number">0x98badcfe</span>, <span class="number">0x10325476</span>, <span class="number">0xc3d2e1f0</span>], |
| }; |
| |
| <span class="attribute">#[inline(always)] |
| </span><span class="kw">fn </span>as_block(input: <span class="kw-2">&</span>[u8]) -> <span class="kw-2">&</span>[u8; <span class="number">64</span>] { |
| <span class="kw">unsafe </span>{ |
| <span class="macro">assert!</span>(input.len() == <span class="number">64</span>); |
| <span class="kw">let </span>arr: <span class="kw-2">&</span>[u8; <span class="number">64</span>] = <span class="kw-2">&*</span>(input.as_ptr() <span class="kw">as </span><span class="kw-2">*const </span>[u8; <span class="number">64</span>]); |
| arr |
| } |
| } |
| |
| <span class="kw">impl </span>Default <span class="kw">for </span>Sha1 { |
| <span class="kw">fn </span>default() -> Sha1 { |
| Sha1::new() |
| } |
| } |
| |
| <span class="kw">impl </span>Sha1 { |
| <span class="doccomment">/// Creates an fresh sha1 hash object. |
| /// |
| /// This is equivalent to creating a hash with `Default::default`. |
| </span><span class="kw">pub fn </span>new() -> Sha1 { |
| Sha1 { |
| state: DEFAULT_STATE, |
| len: <span class="number">0</span>, |
| blocks: Blocks { |
| len: <span class="number">0</span>, |
| block: [<span class="number">0</span>; <span class="number">64</span>], |
| }, |
| } |
| } |
| |
| <span class="doccomment">/// Shortcut to create a sha1 from some bytes. |
| /// |
| /// This also lets you create a hash from a utf-8 string. This is equivalent |
| /// to making a new Sha1 object and calling `update` on it once. |
| </span><span class="kw">pub fn </span>from<D: AsRef<[u8]>>(data: D) -> Sha1 { |
| <span class="kw">let </span><span class="kw-2">mut </span>rv = Sha1::new(); |
| rv.update(data.as_ref()); |
| rv |
| } |
| |
| <span class="doccomment">/// Resets the hash object to it's initial state. |
| </span><span class="kw">pub fn </span>reset(<span class="kw-2">&mut </span><span class="self">self</span>) { |
| <span class="self">self</span>.state = DEFAULT_STATE; |
| <span class="self">self</span>.len = <span class="number">0</span>; |
| <span class="self">self</span>.blocks.len = <span class="number">0</span>; |
| } |
| |
| <span class="doccomment">/// Update hash with input data. |
| </span><span class="kw">pub fn </span>update(<span class="kw-2">&mut </span><span class="self">self</span>, data: <span class="kw-2">&</span>[u8]) { |
| <span class="kw">let </span>len = <span class="kw-2">&mut </span><span class="self">self</span>.len; |
| <span class="kw">let </span>state = <span class="kw-2">&mut </span><span class="self">self</span>.state; |
| <span class="self">self</span>.blocks.input(data, |block| { |
| <span class="kw-2">*</span>len += block.len() <span class="kw">as </span>u64; |
| state.process(block); |
| }) |
| } |
| |
| <span class="doccomment">/// Retrieve digest result. |
| </span><span class="kw">pub fn </span>digest(<span class="kw-2">&</span><span class="self">self</span>) -> Digest { |
| <span class="kw">let </span><span class="kw-2">mut </span>state = <span class="self">self</span>.state; |
| <span class="kw">let </span>bits = (<span class="self">self</span>.len + (<span class="self">self</span>.blocks.len <span class="kw">as </span>u64)) * <span class="number">8</span>; |
| <span class="kw">let </span>extra = [ |
| (bits >> <span class="number">56</span>) <span class="kw">as </span>u8, |
| (bits >> <span class="number">48</span>) <span class="kw">as </span>u8, |
| (bits >> <span class="number">40</span>) <span class="kw">as </span>u8, |
| (bits >> <span class="number">32</span>) <span class="kw">as </span>u8, |
| (bits >> <span class="number">24</span>) <span class="kw">as </span>u8, |
| (bits >> <span class="number">16</span>) <span class="kw">as </span>u8, |
| (bits >> <span class="number">8</span>) <span class="kw">as </span>u8, |
| (bits >> <span class="number">0</span>) <span class="kw">as </span>u8, |
| ]; |
| <span class="kw">let </span><span class="kw-2">mut </span>last = [<span class="number">0</span>; <span class="number">128</span>]; |
| <span class="kw">let </span>blocklen = <span class="self">self</span>.blocks.len <span class="kw">as </span>usize; |
| last[..blocklen].clone_from_slice(<span class="kw-2">&</span><span class="self">self</span>.blocks.block[..blocklen]); |
| last[blocklen] = <span class="number">0x80</span>; |
| |
| <span class="kw">if </span>blocklen < <span class="number">56 </span>{ |
| last[<span class="number">56</span>..<span class="number">64</span>].clone_from_slice(<span class="kw-2">&</span>extra); |
| state.process(as_block(<span class="kw-2">&</span>last[<span class="number">0</span>..<span class="number">64</span>])); |
| } <span class="kw">else </span>{ |
| last[<span class="number">120</span>..<span class="number">128</span>].clone_from_slice(<span class="kw-2">&</span>extra); |
| state.process(as_block(<span class="kw-2">&</span>last[<span class="number">0</span>..<span class="number">64</span>])); |
| state.process(as_block(<span class="kw-2">&</span>last[<span class="number">64</span>..<span class="number">128</span>])); |
| } |
| |
| Digest { data: state } |
| } |
| |
| <span class="doccomment">/// Retrieve the digest result as hex string directly. |
| /// |
| /// (The function is only available if the `std` feature is enabled) |
| </span><span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] |
| </span><span class="kw">pub fn </span>hexdigest(<span class="kw-2">&</span><span class="self">self</span>) -> std::string::String { |
| <span class="kw">use </span>std::string::ToString; |
| <span class="self">self</span>.digest().to_string() |
| } |
| } |
| |
| <span class="kw">impl </span>Digest { |
| <span class="doccomment">/// Returns the 160 bit (20 byte) digest as a byte array. |
| </span><span class="kw">pub fn </span>bytes(<span class="kw-2">&</span><span class="self">self</span>) -> [u8; DIGEST_LENGTH] { |
| [ |
| (<span class="self">self</span>.data.state[<span class="number">0</span>] >> <span class="number">24</span>) <span class="kw">as </span>u8, |
| (<span class="self">self</span>.data.state[<span class="number">0</span>] >> <span class="number">16</span>) <span class="kw">as </span>u8, |
| (<span class="self">self</span>.data.state[<span class="number">0</span>] >> <span class="number">8</span>) <span class="kw">as </span>u8, |
| (<span class="self">self</span>.data.state[<span class="number">0</span>] >> <span class="number">0</span>) <span class="kw">as </span>u8, |
| (<span class="self">self</span>.data.state[<span class="number">1</span>] >> <span class="number">24</span>) <span class="kw">as </span>u8, |
| (<span class="self">self</span>.data.state[<span class="number">1</span>] >> <span class="number">16</span>) <span class="kw">as </span>u8, |
| (<span class="self">self</span>.data.state[<span class="number">1</span>] >> <span class="number">8</span>) <span class="kw">as </span>u8, |
| (<span class="self">self</span>.data.state[<span class="number">1</span>] >> <span class="number">0</span>) <span class="kw">as </span>u8, |
| (<span class="self">self</span>.data.state[<span class="number">2</span>] >> <span class="number">24</span>) <span class="kw">as </span>u8, |
| (<span class="self">self</span>.data.state[<span class="number">2</span>] >> <span class="number">16</span>) <span class="kw">as </span>u8, |
| (<span class="self">self</span>.data.state[<span class="number">2</span>] >> <span class="number">8</span>) <span class="kw">as </span>u8, |
| (<span class="self">self</span>.data.state[<span class="number">2</span>] >> <span class="number">0</span>) <span class="kw">as </span>u8, |
| (<span class="self">self</span>.data.state[<span class="number">3</span>] >> <span class="number">24</span>) <span class="kw">as </span>u8, |
| (<span class="self">self</span>.data.state[<span class="number">3</span>] >> <span class="number">16</span>) <span class="kw">as </span>u8, |
| (<span class="self">self</span>.data.state[<span class="number">3</span>] >> <span class="number">8</span>) <span class="kw">as </span>u8, |
| (<span class="self">self</span>.data.state[<span class="number">3</span>] >> <span class="number">0</span>) <span class="kw">as </span>u8, |
| (<span class="self">self</span>.data.state[<span class="number">4</span>] >> <span class="number">24</span>) <span class="kw">as </span>u8, |
| (<span class="self">self</span>.data.state[<span class="number">4</span>] >> <span class="number">16</span>) <span class="kw">as </span>u8, |
| (<span class="self">self</span>.data.state[<span class="number">4</span>] >> <span class="number">8</span>) <span class="kw">as </span>u8, |
| (<span class="self">self</span>.data.state[<span class="number">4</span>] >> <span class="number">0</span>) <span class="kw">as </span>u8, |
| ] |
| } |
| } |
| |
| <span class="kw">impl </span>Blocks { |
| <span class="kw">fn </span>input<F>(<span class="kw-2">&mut </span><span class="self">self</span>, <span class="kw-2">mut </span>input: <span class="kw-2">&</span>[u8], <span class="kw-2">mut </span>f: F) |
| <span class="kw">where |
| </span>F: FnMut(<span class="kw-2">&</span>[u8; <span class="number">64</span>]), |
| { |
| <span class="kw">if </span><span class="self">self</span>.len > <span class="number">0 </span>{ |
| <span class="kw">let </span>len = <span class="self">self</span>.len <span class="kw">as </span>usize; |
| <span class="kw">let </span>amt = cmp::min(input.len(), <span class="self">self</span>.block.len() - len); |
| <span class="self">self</span>.block[len..len + amt].clone_from_slice(<span class="kw-2">&</span>input[..amt]); |
| <span class="kw">if </span>len + amt == <span class="self">self</span>.block.len() { |
| f(<span class="kw-2">&</span><span class="self">self</span>.block); |
| <span class="self">self</span>.len = <span class="number">0</span>; |
| input = <span class="kw-2">&</span>input[amt..]; |
| } <span class="kw">else </span>{ |
| <span class="self">self</span>.len += amt <span class="kw">as </span>u32; |
| <span class="kw">return</span>; |
| } |
| } |
| <span class="macro">assert_eq!</span>(<span class="self">self</span>.len, <span class="number">0</span>); |
| <span class="kw">for </span>chunk <span class="kw">in </span>input.chunks(<span class="number">64</span>) { |
| <span class="kw">if </span>chunk.len() == <span class="number">64 </span>{ |
| f(as_block(chunk)) |
| } <span class="kw">else </span>{ |
| <span class="self">self</span>.block[..chunk.len()].clone_from_slice(chunk); |
| <span class="self">self</span>.len = chunk.len() <span class="kw">as </span>u32; |
| } |
| } |
| } |
| } |
| |
| <span class="comment">// Round key constants |
| </span><span class="kw">const </span>K0: u32 = <span class="number">0x5A827999u32</span>; |
| <span class="kw">const </span>K1: u32 = <span class="number">0x6ED9EBA1u32</span>; |
| <span class="kw">const </span>K2: u32 = <span class="number">0x8F1BBCDCu32</span>; |
| <span class="kw">const </span>K3: u32 = <span class="number">0xCA62C1D6u32</span>; |
| |
| <span class="doccomment">/// Not an intrinsic, but gets the first element of a vector. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">fn </span>sha1_first(w0: u32x4) -> u32 { |
| w0.<span class="number">0 |
| </span>} |
| |
| <span class="doccomment">/// Not an intrinsic, but adds a word to the first element of a vector. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">fn </span>sha1_first_add(e: u32, w0: u32x4) -> u32x4 { |
| <span class="kw">let </span>u32x4(a, b, c, d) = w0; |
| u32x4(e.wrapping_add(a), b, c, d) |
| } |
| |
| <span class="doccomment">/// Emulates `llvm.x86.sha1msg1` intrinsic. |
| </span><span class="kw">fn </span>sha1msg1(a: u32x4, b: u32x4) -> u32x4 { |
| <span class="kw">let </span>u32x4(<span class="kw">_</span>, <span class="kw">_</span>, w2, w3) = a; |
| <span class="kw">let </span>u32x4(w4, w5, <span class="kw">_</span>, <span class="kw">_</span>) = b; |
| a ^ u32x4(w2, w3, w4, w5) |
| } |
| |
| <span class="doccomment">/// Emulates `llvm.x86.sha1msg2` intrinsic. |
| </span><span class="kw">fn </span>sha1msg2(a: u32x4, b: u32x4) -> u32x4 { |
| <span class="kw">let </span>u32x4(x0, x1, x2, x3) = a; |
| <span class="kw">let </span>u32x4(<span class="kw">_</span>, w13, w14, w15) = b; |
| |
| <span class="kw">let </span>w16 = (x0 ^ w13).rotate_left(<span class="number">1</span>); |
| <span class="kw">let </span>w17 = (x1 ^ w14).rotate_left(<span class="number">1</span>); |
| <span class="kw">let </span>w18 = (x2 ^ w15).rotate_left(<span class="number">1</span>); |
| <span class="kw">let </span>w19 = (x3 ^ w16).rotate_left(<span class="number">1</span>); |
| |
| u32x4(w16, w17, w18, w19) |
| } |
| |
| <span class="doccomment">/// Emulates `llvm.x86.sha1nexte` intrinsic. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">fn </span>sha1_first_half(abcd: u32x4, msg: u32x4) -> u32x4 { |
| sha1_first_add(sha1_first(abcd).rotate_left(<span class="number">30</span>), msg) |
| } |
| |
| <span class="doccomment">/// Emulates `llvm.x86.sha1rnds4` intrinsic. |
| /// Performs 4 rounds of the message block digest. |
| </span><span class="kw">fn </span>sha1_digest_round_x4(abcd: u32x4, work: u32x4, i: i8) -> u32x4 { |
| <span class="kw">const </span>K0V: u32x4 = u32x4(K0, K0, K0, K0); |
| <span class="kw">const </span>K1V: u32x4 = u32x4(K1, K1, K1, K1); |
| <span class="kw">const </span>K2V: u32x4 = u32x4(K2, K2, K2, K2); |
| <span class="kw">const </span>K3V: u32x4 = u32x4(K3, K3, K3, K3); |
| |
| <span class="kw">match </span>i { |
| <span class="number">0 </span>=> sha1rnds4c(abcd, work + K0V), |
| <span class="number">1 </span>=> sha1rnds4p(abcd, work + K1V), |
| <span class="number">2 </span>=> sha1rnds4m(abcd, work + K2V), |
| <span class="number">3 </span>=> sha1rnds4p(abcd, work + K3V), |
| <span class="kw">_ </span>=> <span class="macro">panic!</span>(<span class="string">"unknown icosaround index"</span>), |
| } |
| } |
| |
| <span class="doccomment">/// Not an intrinsic, but helps emulate `llvm.x86.sha1rnds4` intrinsic. |
| </span><span class="kw">fn </span>sha1rnds4c(abcd: u32x4, msg: u32x4) -> u32x4 { |
| <span class="kw">let </span>u32x4(<span class="kw-2">mut </span>a, <span class="kw-2">mut </span>b, <span class="kw-2">mut </span>c, <span class="kw-2">mut </span>d) = abcd; |
| <span class="kw">let </span>u32x4(t, u, v, w) = msg; |
| <span class="kw">let </span><span class="kw-2">mut </span>e = <span class="number">0u32</span>; |
| |
| <span class="macro">macro_rules! </span>bool3ary_202 { |
| (<span class="macro-nonterminal">$a</span>:expr, <span class="macro-nonterminal">$b</span>:expr, <span class="macro-nonterminal">$c</span>:expr) => { |
| (<span class="macro-nonterminal">$c </span>^ (<span class="macro-nonterminal">$a </span>& (<span class="macro-nonterminal">$b </span>^ <span class="macro-nonterminal">$c</span>))) |
| }; |
| } <span class="comment">// Choose, MD5F, SHA1C |
| |
| </span>e = e |
| .wrapping_add(a.rotate_left(<span class="number">5</span>)) |
| .wrapping_add(<span class="macro">bool3ary_202!</span>(b, c, d)) |
| .wrapping_add(t); |
| b = b.rotate_left(<span class="number">30</span>); |
| |
| d = d |
| .wrapping_add(e.rotate_left(<span class="number">5</span>)) |
| .wrapping_add(<span class="macro">bool3ary_202!</span>(a, b, c)) |
| .wrapping_add(u); |
| a = a.rotate_left(<span class="number">30</span>); |
| |
| c = c |
| .wrapping_add(d.rotate_left(<span class="number">5</span>)) |
| .wrapping_add(<span class="macro">bool3ary_202!</span>(e, a, b)) |
| .wrapping_add(v); |
| e = e.rotate_left(<span class="number">30</span>); |
| |
| b = b |
| .wrapping_add(c.rotate_left(<span class="number">5</span>)) |
| .wrapping_add(<span class="macro">bool3ary_202!</span>(d, e, a)) |
| .wrapping_add(w); |
| d = d.rotate_left(<span class="number">30</span>); |
| |
| u32x4(b, c, d, e) |
| } |
| |
| <span class="doccomment">/// Not an intrinsic, but helps emulate `llvm.x86.sha1rnds4` intrinsic. |
| </span><span class="kw">fn </span>sha1rnds4p(abcd: u32x4, msg: u32x4) -> u32x4 { |
| <span class="kw">let </span>u32x4(<span class="kw-2">mut </span>a, <span class="kw-2">mut </span>b, <span class="kw-2">mut </span>c, <span class="kw-2">mut </span>d) = abcd; |
| <span class="kw">let </span>u32x4(t, u, v, w) = msg; |
| <span class="kw">let </span><span class="kw-2">mut </span>e = <span class="number">0u32</span>; |
| |
| <span class="macro">macro_rules! </span>bool3ary_150 { |
| (<span class="macro-nonterminal">$a</span>:expr, <span class="macro-nonterminal">$b</span>:expr, <span class="macro-nonterminal">$c</span>:expr) => { |
| (<span class="macro-nonterminal">$a </span>^ <span class="macro-nonterminal">$b </span>^ <span class="macro-nonterminal">$c</span>) |
| }; |
| } <span class="comment">// Parity, XOR, MD5H, SHA1P |
| |
| </span>e = e |
| .wrapping_add(a.rotate_left(<span class="number">5</span>)) |
| .wrapping_add(<span class="macro">bool3ary_150!</span>(b, c, d)) |
| .wrapping_add(t); |
| b = b.rotate_left(<span class="number">30</span>); |
| |
| d = d |
| .wrapping_add(e.rotate_left(<span class="number">5</span>)) |
| .wrapping_add(<span class="macro">bool3ary_150!</span>(a, b, c)) |
| .wrapping_add(u); |
| a = a.rotate_left(<span class="number">30</span>); |
| |
| c = c |
| .wrapping_add(d.rotate_left(<span class="number">5</span>)) |
| .wrapping_add(<span class="macro">bool3ary_150!</span>(e, a, b)) |
| .wrapping_add(v); |
| e = e.rotate_left(<span class="number">30</span>); |
| |
| b = b |
| .wrapping_add(c.rotate_left(<span class="number">5</span>)) |
| .wrapping_add(<span class="macro">bool3ary_150!</span>(d, e, a)) |
| .wrapping_add(w); |
| d = d.rotate_left(<span class="number">30</span>); |
| |
| u32x4(b, c, d, e) |
| } |
| |
| <span class="doccomment">/// Not an intrinsic, but helps emulate `llvm.x86.sha1rnds4` intrinsic. |
| </span><span class="kw">fn </span>sha1rnds4m(abcd: u32x4, msg: u32x4) -> u32x4 { |
| <span class="kw">let </span>u32x4(<span class="kw-2">mut </span>a, <span class="kw-2">mut </span>b, <span class="kw-2">mut </span>c, <span class="kw-2">mut </span>d) = abcd; |
| <span class="kw">let </span>u32x4(t, u, v, w) = msg; |
| <span class="kw">let </span><span class="kw-2">mut </span>e = <span class="number">0u32</span>; |
| |
| <span class="macro">macro_rules! </span>bool3ary_232 { |
| (<span class="macro-nonterminal">$a</span>:expr, <span class="macro-nonterminal">$b</span>:expr, <span class="macro-nonterminal">$c</span>:expr) => { |
| (<span class="macro-nonterminal">$a </span>& <span class="macro-nonterminal">$b</span>) ^ (<span class="macro-nonterminal">$a </span>& <span class="macro-nonterminal">$c</span>) ^ (<span class="macro-nonterminal">$b </span>& <span class="macro-nonterminal">$c</span>) |
| }; |
| } <span class="comment">// Majority, SHA1M |
| |
| </span>e = e |
| .wrapping_add(a.rotate_left(<span class="number">5</span>)) |
| .wrapping_add(<span class="macro">bool3ary_232!</span>(b, c, d)) |
| .wrapping_add(t); |
| b = b.rotate_left(<span class="number">30</span>); |
| |
| d = d |
| .wrapping_add(e.rotate_left(<span class="number">5</span>)) |
| .wrapping_add(<span class="macro">bool3ary_232!</span>(a, b, c)) |
| .wrapping_add(u); |
| a = a.rotate_left(<span class="number">30</span>); |
| |
| c = c |
| .wrapping_add(d.rotate_left(<span class="number">5</span>)) |
| .wrapping_add(<span class="macro">bool3ary_232!</span>(e, a, b)) |
| .wrapping_add(v); |
| e = e.rotate_left(<span class="number">30</span>); |
| |
| b = b |
| .wrapping_add(c.rotate_left(<span class="number">5</span>)) |
| .wrapping_add(<span class="macro">bool3ary_232!</span>(d, e, a)) |
| .wrapping_add(w); |
| d = d.rotate_left(<span class="number">30</span>); |
| |
| u32x4(b, c, d, e) |
| } |
| |
| <span class="kw">impl </span>Sha1State { |
| <span class="kw">fn </span>process(<span class="kw-2">&mut </span><span class="self">self</span>, block: <span class="kw-2">&</span>[u8; <span class="number">64</span>]) { |
| <span class="kw">let </span><span class="kw-2">mut </span>words = [<span class="number">0u32</span>; <span class="number">16</span>]; |
| <span class="kw">for </span>(i, word) <span class="kw">in </span>words.iter_mut().enumerate() { |
| <span class="kw">let </span>off = i * <span class="number">4</span>; |
| <span class="kw-2">*</span>word = (block[off + <span class="number">3</span>] <span class="kw">as </span>u32) |
| | ((block[off + <span class="number">2</span>] <span class="kw">as </span>u32) << <span class="number">8</span>) |
| | ((block[off + <span class="number">1</span>] <span class="kw">as </span>u32) << <span class="number">16</span>) |
| | ((block[off] <span class="kw">as </span>u32) << <span class="number">24</span>); |
| } |
| <span class="macro">macro_rules! </span>schedule { |
| (<span class="macro-nonterminal">$v0</span>:expr, <span class="macro-nonterminal">$v1</span>:expr, <span class="macro-nonterminal">$v2</span>:expr, <span class="macro-nonterminal">$v3</span>:expr) => { |
| sha1msg2(sha1msg1(<span class="macro-nonterminal">$v0</span>, <span class="macro-nonterminal">$v1</span>) ^ <span class="macro-nonterminal">$v2</span>, <span class="macro-nonterminal">$v3</span>) |
| }; |
| } |
| |
| <span class="macro">macro_rules! </span>rounds4 { |
| (<span class="macro-nonterminal">$h0</span>:ident, <span class="macro-nonterminal">$h1</span>:ident, <span class="macro-nonterminal">$wk</span>:expr, <span class="macro-nonterminal">$i</span>:expr) => { |
| sha1_digest_round_x4(<span class="macro-nonterminal">$h0</span>, sha1_first_half(<span class="macro-nonterminal">$h1</span>, <span class="macro-nonterminal">$wk</span>), <span class="macro-nonterminal">$i</span>) |
| }; |
| } |
| |
| <span class="comment">// Rounds 0..20 |
| </span><span class="kw">let </span><span class="kw-2">mut </span>h0 = u32x4(<span class="self">self</span>.state[<span class="number">0</span>], <span class="self">self</span>.state[<span class="number">1</span>], <span class="self">self</span>.state[<span class="number">2</span>], <span class="self">self</span>.state[<span class="number">3</span>]); |
| <span class="kw">let </span><span class="kw-2">mut </span>w0 = u32x4(words[<span class="number">0</span>], words[<span class="number">1</span>], words[<span class="number">2</span>], words[<span class="number">3</span>]); |
| <span class="kw">let </span><span class="kw-2">mut </span>h1 = sha1_digest_round_x4(h0, sha1_first_add(<span class="self">self</span>.state[<span class="number">4</span>], w0), <span class="number">0</span>); |
| <span class="kw">let </span><span class="kw-2">mut </span>w1 = u32x4(words[<span class="number">4</span>], words[<span class="number">5</span>], words[<span class="number">6</span>], words[<span class="number">7</span>]); |
| h0 = <span class="macro">rounds4!</span>(h1, h0, w1, <span class="number">0</span>); |
| <span class="kw">let </span><span class="kw-2">mut </span>w2 = u32x4(words[<span class="number">8</span>], words[<span class="number">9</span>], words[<span class="number">10</span>], words[<span class="number">11</span>]); |
| h1 = <span class="macro">rounds4!</span>(h0, h1, w2, <span class="number">0</span>); |
| <span class="kw">let </span><span class="kw-2">mut </span>w3 = u32x4(words[<span class="number">12</span>], words[<span class="number">13</span>], words[<span class="number">14</span>], words[<span class="number">15</span>]); |
| h0 = <span class="macro">rounds4!</span>(h1, h0, w3, <span class="number">0</span>); |
| <span class="kw">let </span><span class="kw-2">mut </span>w4 = <span class="macro">schedule!</span>(w0, w1, w2, w3); |
| h1 = <span class="macro">rounds4!</span>(h0, h1, w4, <span class="number">0</span>); |
| |
| <span class="comment">// Rounds 20..40 |
| </span>w0 = <span class="macro">schedule!</span>(w1, w2, w3, w4); |
| h0 = <span class="macro">rounds4!</span>(h1, h0, w0, <span class="number">1</span>); |
| w1 = <span class="macro">schedule!</span>(w2, w3, w4, w0); |
| h1 = <span class="macro">rounds4!</span>(h0, h1, w1, <span class="number">1</span>); |
| w2 = <span class="macro">schedule!</span>(w3, w4, w0, w1); |
| h0 = <span class="macro">rounds4!</span>(h1, h0, w2, <span class="number">1</span>); |
| w3 = <span class="macro">schedule!</span>(w4, w0, w1, w2); |
| h1 = <span class="macro">rounds4!</span>(h0, h1, w3, <span class="number">1</span>); |
| w4 = <span class="macro">schedule!</span>(w0, w1, w2, w3); |
| h0 = <span class="macro">rounds4!</span>(h1, h0, w4, <span class="number">1</span>); |
| |
| <span class="comment">// Rounds 40..60 |
| </span>w0 = <span class="macro">schedule!</span>(w1, w2, w3, w4); |
| h1 = <span class="macro">rounds4!</span>(h0, h1, w0, <span class="number">2</span>); |
| w1 = <span class="macro">schedule!</span>(w2, w3, w4, w0); |
| h0 = <span class="macro">rounds4!</span>(h1, h0, w1, <span class="number">2</span>); |
| w2 = <span class="macro">schedule!</span>(w3, w4, w0, w1); |
| h1 = <span class="macro">rounds4!</span>(h0, h1, w2, <span class="number">2</span>); |
| w3 = <span class="macro">schedule!</span>(w4, w0, w1, w2); |
| h0 = <span class="macro">rounds4!</span>(h1, h0, w3, <span class="number">2</span>); |
| w4 = <span class="macro">schedule!</span>(w0, w1, w2, w3); |
| h1 = <span class="macro">rounds4!</span>(h0, h1, w4, <span class="number">2</span>); |
| |
| <span class="comment">// Rounds 60..80 |
| </span>w0 = <span class="macro">schedule!</span>(w1, w2, w3, w4); |
| h0 = <span class="macro">rounds4!</span>(h1, h0, w0, <span class="number">3</span>); |
| w1 = <span class="macro">schedule!</span>(w2, w3, w4, w0); |
| h1 = <span class="macro">rounds4!</span>(h0, h1, w1, <span class="number">3</span>); |
| w2 = <span class="macro">schedule!</span>(w3, w4, w0, w1); |
| h0 = <span class="macro">rounds4!</span>(h1, h0, w2, <span class="number">3</span>); |
| w3 = <span class="macro">schedule!</span>(w4, w0, w1, w2); |
| h1 = <span class="macro">rounds4!</span>(h0, h1, w3, <span class="number">3</span>); |
| w4 = <span class="macro">schedule!</span>(w0, w1, w2, w3); |
| h0 = <span class="macro">rounds4!</span>(h1, h0, w4, <span class="number">3</span>); |
| |
| <span class="kw">let </span>e = sha1_first(h1).rotate_left(<span class="number">30</span>); |
| <span class="kw">let </span>u32x4(a, b, c, d) = h0; |
| |
| <span class="self">self</span>.state[<span class="number">0</span>] = <span class="self">self</span>.state[<span class="number">0</span>].wrapping_add(a); |
| <span class="self">self</span>.state[<span class="number">1</span>] = <span class="self">self</span>.state[<span class="number">1</span>].wrapping_add(b); |
| <span class="self">self</span>.state[<span class="number">2</span>] = <span class="self">self</span>.state[<span class="number">2</span>].wrapping_add(c); |
| <span class="self">self</span>.state[<span class="number">3</span>] = <span class="self">self</span>.state[<span class="number">3</span>].wrapping_add(d); |
| <span class="self">self</span>.state[<span class="number">4</span>] = <span class="self">self</span>.state[<span class="number">4</span>].wrapping_add(e); |
| } |
| } |
| |
| <span class="kw">impl </span>PartialEq <span class="kw">for </span>Blocks { |
| <span class="kw">fn </span>eq(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>Blocks) -> bool { |
| (<span class="self">self</span>.len, <span class="kw-2">&</span><span class="self">self</span>.block[..]).eq(<span class="kw-2">&</span>(other.len, <span class="kw-2">&</span>other.block[..])) |
| } |
| } |
| |
| <span class="kw">impl </span>Ord <span class="kw">for </span>Blocks { |
| <span class="kw">fn </span>cmp(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>Blocks) -> cmp::Ordering { |
| (<span class="self">self</span>.len, <span class="kw-2">&</span><span class="self">self</span>.block[..]).cmp(<span class="kw-2">&</span>(other.len, <span class="kw-2">&</span>other.block[..])) |
| } |
| } |
| |
| <span class="kw">impl </span>PartialOrd <span class="kw">for </span>Blocks { |
| <span class="kw">fn </span>partial_cmp(<span class="kw-2">&</span><span class="self">self</span>, other: <span class="kw-2">&</span>Blocks) -> <span class="prelude-ty">Option</span><cmp::Ordering> { |
| <span class="prelude-val">Some</span>(<span class="self">self</span>.cmp(other)) |
| } |
| } |
| |
| <span class="kw">impl </span>Eq <span class="kw">for </span>Blocks {} |
| |
| <span class="kw">impl </span>hash::Hash <span class="kw">for </span>Blocks { |
| <span class="kw">fn </span>hash<H: hash::Hasher>(<span class="kw-2">&</span><span class="self">self</span>, state: <span class="kw-2">&mut </span>H) { |
| <span class="self">self</span>.len.hash(state); |
| <span class="self">self</span>.block.hash(state); |
| } |
| } |
| |
| <span class="kw">impl </span>Clone <span class="kw">for </span>Blocks { |
| <span class="kw">fn </span>clone(<span class="kw-2">&</span><span class="self">self</span>) -> Blocks { |
| Blocks { ..<span class="kw-2">*</span><span class="self">self </span>} |
| } |
| } |
| |
| <span class="doccomment">/// Indicates that a digest couldn't be parsed. |
| </span><span class="attribute">#[derive(Copy, Clone, Hash, Eq, PartialEq, Ord, PartialOrd, Debug)] |
| </span><span class="kw">pub struct </span>DigestParseError(()); |
| |
| <span class="kw">impl </span>fmt::Display <span class="kw">for </span>DigestParseError { |
| <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter) -> fmt::Result { |
| <span class="macro">write!</span>(f, <span class="string">"not a valid sha1 hash"</span>) |
| } |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"std"</span>)] |
| </span><span class="kw">impl </span>std::error::Error <span class="kw">for </span>DigestParseError { |
| <span class="kw">fn </span>description(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span>str { |
| <span class="string">"not a valid sha1 hash" |
| </span>} |
| } |
| |
| <span class="kw">impl </span>str::FromStr <span class="kw">for </span>Digest { |
| <span class="kw">type </span><span class="prelude-val">Err </span>= DigestParseError; |
| |
| <span class="kw">fn </span>from_str(s: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><Digest, DigestParseError> { |
| <span class="kw">if </span>s.len() != <span class="number">40 </span>{ |
| <span class="kw">return </span><span class="prelude-val">Err</span>(DigestParseError(())); |
| } |
| <span class="kw">let </span><span class="kw-2">mut </span>rv: Digest = Default::default(); |
| <span class="kw">for </span>idx <span class="kw">in </span><span class="number">0</span>..<span class="number">5 </span>{ |
| rv.data.state[idx] = |
| <span class="macro">r#try!</span>(u32::from_str_radix(<span class="kw-2">&</span>s[idx * <span class="number">8</span>..idx * <span class="number">8 </span>+ <span class="number">8</span>], <span class="number">16</span>) |
| .map_err(|<span class="kw">_</span>| DigestParseError(()))); |
| } |
| <span class="prelude-val">Ok</span>(rv) |
| } |
| } |
| |
| <span class="kw">impl </span>fmt::Display <span class="kw">for </span>Digest { |
| <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter) -> fmt::Result { |
| <span class="kw">for </span>i <span class="kw">in </span><span class="self">self</span>.data.state.iter() { |
| <span class="macro">r#try!</span>(<span class="macro">write!</span>(f, <span class="string">"{:08x}"</span>, i)); |
| } |
| <span class="prelude-val">Ok</span>(()) |
| } |
| } |
| |
| <span class="kw">impl </span>fmt::Debug <span class="kw">for </span>Digest { |
| <span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter) -> fmt::Result { |
| <span class="macro">write!</span>(f, <span class="string">"Digest {{ \"{}\" }}"</span>, <span class="self">self</span>) |
| } |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"serde"</span>)] |
| </span><span class="kw">impl </span>serde::ser::Serialize <span class="kw">for </span>Digest { |
| <span class="kw">fn </span>serialize<S>(<span class="kw-2">&</span><span class="self">self</span>, serializer: S) -> <span class="prelude-ty">Result</span><S::Ok, S::Error> |
| <span class="kw">where |
| </span>S: serde::ser::Serializer, |
| { |
| <span class="kw">fn </span>to_hex(num: u8) -> u8 { |
| <span class="string">b"0123456789abcdef"</span>[num <span class="kw">as </span>usize] |
| } |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>hex_str = [<span class="number">0u8</span>; <span class="number">40</span>]; |
| <span class="kw">let </span><span class="kw-2">mut </span>c = <span class="number">0</span>; |
| <span class="kw">for </span>state <span class="kw">in </span><span class="self">self</span>.data.state.iter() { |
| <span class="kw">for </span>off <span class="kw">in </span><span class="number">0</span>..<span class="number">4 </span>{ |
| <span class="kw">let </span>byte = (state >> (<span class="number">8 </span>* (<span class="number">3 </span>- off))) <span class="kw">as </span>u8; |
| hex_str[c] = to_hex(byte >> <span class="number">4</span>); |
| hex_str[c + <span class="number">1</span>] = to_hex(byte & <span class="number">0xf</span>); |
| c += <span class="number">2</span>; |
| } |
| } |
| serializer.serialize_str(<span class="kw">unsafe </span>{ str::from_utf8_unchecked(<span class="kw-2">&</span>hex_str[..]) }) |
| } |
| } |
| |
| <span class="attribute">#[cfg(feature = <span class="string">"serde"</span>)] |
| </span><span class="kw">impl</span><<span class="lifetime">'de</span>> serde::de::Deserialize<<span class="lifetime">'de</span>> <span class="kw">for </span>Digest { |
| <span class="kw">fn </span>deserialize<D>(deserializer: D) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, D::Error> |
| <span class="kw">where |
| </span>D: serde::de::Deserializer<<span class="lifetime">'de</span>>, |
| { |
| <span class="kw">struct </span>V; |
| |
| <span class="kw">impl</span><<span class="lifetime">'de</span>> serde::de::Visitor<<span class="lifetime">'de</span>> <span class="kw">for </span>V { |
| <span class="kw">type </span>Value = Digest; |
| |
| <span class="kw">fn </span>expecting(<span class="kw-2">&</span><span class="self">self</span>, formatter: <span class="kw-2">&mut </span>fmt::Formatter) -> fmt::Result { |
| formatter.write_str(<span class="string">"SHA-1 hash"</span>) |
| } |
| |
| <span class="kw">fn </span>visit_str<E>(<span class="self">self</span>, value: <span class="kw-2">&</span>str) -> <span class="prelude-ty">Result</span><Digest, E> |
| <span class="kw">where |
| </span>E: serde::de::Error, |
| { |
| value.parse().map_err(|<span class="kw">_</span>| { |
| serde::de::Error::invalid_value(serde::de::Unexpected::Str(value), <span class="kw-2">&</span><span class="self">self</span>) |
| }) |
| } |
| } |
| |
| deserializer.deserialize_str(V) |
| } |
| } |
| |
| <span class="attribute">#[rustfmt::skip] |
| #[cfg(test)] |
| </span><span class="kw">mod </span>tests { |
| <span class="kw">extern crate </span>std; |
| <span class="kw">extern crate </span>rand; |
| <span class="kw">extern crate </span>openssl; |
| |
| <span class="kw">use </span><span class="self">self</span>::std::prelude::v1::<span class="kw-2">*</span>; |
| |
| <span class="kw">use </span><span class="kw">crate</span>::Sha1; |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_simple() { |
| <span class="kw">let </span><span class="kw-2">mut </span>m = Sha1::new(); |
| |
| <span class="kw">let </span>tests = [ |
| (<span class="string">"The quick brown fox jumps over the lazy dog"</span>, |
| <span class="string">"2fd4e1c67a2d28fced849ee1bb76e7391b93eb12"</span>), |
| (<span class="string">"The quick brown fox jumps over the lazy cog"</span>, |
| <span class="string">"de9f2c7fd25e1b3afad3e85a0bd17d9b100db4b3"</span>), |
| (<span class="string">""</span>, <span class="string">"da39a3ee5e6b4b0d3255bfef95601890afd80709"</span>), |
| (<span class="string">"testing\n"</span>, <span class="string">"9801739daae44ec5293d4e1f53d3f4d2d426d91c"</span>), |
| (<span class="string">"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"</span>, |
| <span class="string">"025ecbd5d70f8fb3c5457cd96bab13fda305dc59"</span>), |
| (<span class="string">"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"</span>, |
| <span class="string">"4300320394f7ee239bcdce7d3b8bcee173a0cd5c"</span>), |
| (<span class="string">"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"</span>, |
| <span class="string">"cef734ba81a024479e09eb5a75b6ddae62e6abf1"</span>), |
| ]; |
| |
| <span class="kw">for </span><span class="kw-2">&</span>(s, <span class="kw-2">ref </span>h) <span class="kw">in </span>tests.iter() { |
| <span class="kw">let </span>data = s.as_bytes(); |
| |
| m.reset(); |
| m.update(data); |
| <span class="kw">let </span>hh = m.digest().to_string(); |
| |
| <span class="macro">assert_eq!</span>(hh.len(), h.len()); |
| <span class="macro">assert_eq!</span>(hh, <span class="kw-2">*</span>h); |
| } |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_shortcuts() { |
| <span class="kw">let </span>s = Sha1::from(<span class="string">"The quick brown fox jumps over the lazy dog"</span>); |
| <span class="macro">assert_eq!</span>(s.digest().to_string(), <span class="string">"2fd4e1c67a2d28fced849ee1bb76e7391b93eb12"</span>); |
| |
| <span class="kw">let </span>s = Sha1::from(<span class="kw-2">&</span><span class="string">b"The quick brown fox jumps over the lazy dog"</span>[..]); |
| <span class="macro">assert_eq!</span>(s.digest().to_string(), <span class="string">"2fd4e1c67a2d28fced849ee1bb76e7391b93eb12"</span>); |
| |
| <span class="attribute">#[cfg(feature=<span class="string">"std"</span>)] </span>{ |
| <span class="kw">let </span>s = Sha1::from(<span class="string">"The quick brown fox jumps over the lazy dog"</span>); |
| <span class="macro">assert_eq!</span>(s.hexdigest(), <span class="string">"2fd4e1c67a2d28fced849ee1bb76e7391b93eb12"</span>); |
| } |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_multiple_updates() { |
| <span class="kw">let </span><span class="kw-2">mut </span>m = Sha1::new(); |
| |
| m.reset(); |
| m.update(<span class="string">"The quick brown "</span>.as_bytes()); |
| m.update(<span class="string">"fox jumps over "</span>.as_bytes()); |
| m.update(<span class="string">"the lazy dog"</span>.as_bytes()); |
| <span class="kw">let </span>hh = m.digest().to_string(); |
| |
| |
| <span class="kw">let </span>h = <span class="string">"2fd4e1c67a2d28fced849ee1bb76e7391b93eb12"</span>; |
| <span class="macro">assert_eq!</span>(hh.len(), h.len()); |
| <span class="macro">assert_eq!</span>(hh, <span class="kw-2">&*</span>h); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_sha1_loop() { |
| <span class="kw">let </span><span class="kw-2">mut </span>m = Sha1::new(); |
| <span class="kw">let </span>s = <span class="string">"The quick brown fox jumps over the lazy dog."</span>; |
| <span class="kw">let </span>n = <span class="number">1000u64</span>; |
| |
| <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">3 </span>{ |
| m.reset(); |
| <span class="kw">for _ in </span><span class="number">0</span>..n { |
| m.update(s.as_bytes()); |
| } |
| <span class="macro">assert_eq!</span>(m.digest().to_string(), |
| <span class="string">"7ca27655f67fceaa78ed2e645a81c7f1d6e249d2"</span>); |
| } |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>spray_and_pray() { |
| <span class="kw">use </span><span class="self">self</span>::rand::Rng; |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>rng = rand::thread_rng(); |
| <span class="kw">let </span><span class="kw-2">mut </span>m = Sha1::new(); |
| <span class="kw">let </span><span class="kw-2">mut </span>bytes = [<span class="number">0</span>; <span class="number">512</span>]; |
| |
| <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">20 </span>{ |
| <span class="kw">let </span>ty = openssl::hash::MessageDigest::sha1(); |
| <span class="kw">let </span><span class="kw-2">mut </span>r = openssl::hash::Hasher::new(ty).unwrap(); |
| m.reset(); |
| <span class="kw">for _ in </span><span class="number">0</span>..<span class="number">50 </span>{ |
| <span class="kw">let </span>len = rng.gen::<usize>() % bytes.len(); |
| rng.fill_bytes(<span class="kw-2">&mut </span>bytes[..len]); |
| m.update(<span class="kw-2">&</span>bytes[..len]); |
| r.update(<span class="kw-2">&</span>bytes[..len]).unwrap(); |
| } |
| <span class="macro">assert_eq!</span>(r.finish().unwrap().as_ref(), <span class="kw-2">&</span>m.digest().bytes()); |
| } |
| } |
| |
| <span class="attribute">#[test] |
| #[cfg(feature=<span class="string">"std"</span>)] |
| </span><span class="kw">fn </span>test_parse() { |
| <span class="kw">use </span><span class="kw">crate</span>::Digest; |
| <span class="kw">use </span>std::error::Error; |
| <span class="kw">let </span>y: Digest = <span class="string">"2ef7bde608ce5404e97d5f042f95f89f1c232871"</span>.parse().unwrap(); |
| <span class="macro">assert_eq!</span>(y.to_string(), <span class="string">"2ef7bde608ce5404e97d5f042f95f89f1c232871"</span>); |
| <span class="macro">assert!</span>(<span class="string">"asdfasdf"</span>.parse::<Digest>().is_err()); |
| <span class="macro">assert_eq!</span>(<span class="string">"asdfasdf"</span>.parse::<Digest>() |
| .map_err(|x| x.description().to_string()).unwrap_err(), <span class="string">"not a valid sha1 hash"</span>); |
| } |
| } |
| |
| <span class="attribute">#[rustfmt::skip] |
| #[cfg(all(test, feature=<span class="string">"serde"</span>))] |
| </span><span class="kw">mod </span>serde_tests { |
| <span class="kw">extern crate </span>std; |
| <span class="kw">extern crate </span>serde_json; |
| |
| <span class="kw">use </span><span class="self">self</span>::std::prelude::v1::<span class="kw-2">*</span>; |
| |
| <span class="kw">use crate</span>::{Sha1, Digest}; |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_to_json() { |
| <span class="kw">let </span><span class="kw-2">mut </span>s = Sha1::new(); |
| s.update(<span class="string">b"Hello World!"</span>); |
| <span class="kw">let </span>x = s.digest(); |
| <span class="kw">let </span>y = serde_json::to_vec(<span class="kw-2">&</span>x).unwrap(); |
| <span class="macro">assert_eq!</span>(y, <span class="kw-2">&</span><span class="string">b"\"2ef7bde608ce5404e97d5f042f95f89f1c232871\""</span>[..]); |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_from_json() { |
| <span class="kw">let </span>y: Digest = serde_json::from_str(<span class="string">"\"2ef7bde608ce5404e97d5f042f95f89f1c232871\""</span>).unwrap(); |
| <span class="macro">assert_eq!</span>(y.to_string(), <span class="string">"2ef7bde608ce5404e97d5f042f95f89f1c232871"</span>); |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="sha1_smol" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
