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author | 2015-06-29 20:16:15 +0000 | |
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committer | 2015-06-29 20:16:15 +0000 | |
commit | 64106c4d3d4ddba8c7bc2af75376e6d3d3d75601 (patch) | |
tree | 8c64d6e8be006486d975a651505fbbde61365cd6 /src/openssl/crypto/hash.rs.html | |
download | irsc-64106c4d3d4ddba8c7bc2af75376e6d3d3d75601.tar.gz irsc-64106c4d3d4ddba8c7bc2af75376e6d3d3d75601.tar.xz irsc-64106c4d3d4ddba8c7bc2af75376e6d3d3d75601.zip |
Update documentationgh-pages
Diffstat (limited to 'src/openssl/crypto/hash.rs.html')
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diff --git a/src/openssl/crypto/hash.rs.html b/src/openssl/crypto/hash.rs.html new file mode 100644 index 0000000..3acc27b --- /dev/null +++ b/src/openssl/crypto/hash.rs.html @@ -0,0 +1,773 @@ +<!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 to the Rust file `/home/travis/.cargo/registry/src/github.com-0a35038f75765ae4/openssl-0.6.3/src/crypto/hash.rs`."> + <meta name="keywords" content="rust, rustlang, rust-lang"> + + <title>hash.rs.html -- source</title> + + <link rel="stylesheet" type="text/css" href="../../../main.css"> + + + +</head> +<body class="rustdoc"> + <!--[if lte IE 8]> + <div class="warning"> + This old browser is unsupported and will most likely display funky + things. + </div> + <![endif]--> + + + + <section class="sidebar"> + + + </section> + + <nav class="sub"> + <form class="search-form js-only"> + <div class="search-container"> + <input class="search-input" name="search" + autocomplete="off" + placeholder="Click or press 'S' to search, '?' for more options..." + type="search"> + </div> + </form> + </nav> + + <section id='main' class="content source"><pre class="line-numbers"><span id="1"> 1</span> +<span id="2"> 2</span> +<span id="3"> 3</span> +<span id="4"> 4</span> +<span id="5"> 5</span> +<span id="6"> 6</span> +<span id="7"> 7</span> +<span id="8"> 8</span> +<span id="9"> 9</span> +<span id="10"> 10</span> +<span id="11"> 11</span> +<span id="12"> 12</span> +<span id="13"> 13</span> +<span id="14"> 14</span> +<span id="15"> 15</span> +<span id="16"> 16</span> +<span id="17"> 17</span> +<span id="18"> 18</span> +<span id="19"> 19</span> +<span id="20"> 20</span> +<span id="21"> 21</span> +<span id="22"> 22</span> +<span id="23"> 23</span> +<span id="24"> 24</span> +<span id="25"> 25</span> +<span id="26"> 26</span> +<span id="27"> 27</span> +<span id="28"> 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id="327">327</span> +<span id="328">328</span> +<span id="329">329</span> +<span id="330">330</span> +<span id="331">331</span> +<span id="332">332</span> +<span id="333">333</span> +<span id="334">334</span> +<span id="335">335</span> +<span id="336">336</span> +<span id="337">337</span> +<span id="338">338</span> +</pre><pre class='rust '> +<span class='kw'>use</span> <span class='ident'>libc</span>::<span class='ident'>c_uint</span>; +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>iter</span>::<span class='ident'>repeat</span>; +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>io</span>::<span class='ident'>prelude</span>::<span class='op'>*</span>; +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>io</span>; + +<span class='kw'>use</span> <span class='ident'>ffi</span>; + +<span class='doccomment'>/// Message digest (hash) type.</span> +<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Copy</span>, <span class='ident'>Clone</span>)]</span> +<span class='kw'>pub</span> <span class='kw'>enum</span> <span class='ident'>Type</span> { + <span class='ident'>MD5</span>, + <span class='ident'>SHA1</span>, + <span class='ident'>SHA224</span>, + <span class='ident'>SHA256</span>, + <span class='ident'>SHA384</span>, + <span class='ident'>SHA512</span>, + <span class='ident'>RIPEMD160</span> +} + +<span class='kw'>impl</span> <span class='ident'>Type</span> { + <span class='doccomment'>/// Returns the length of the message digest.</span> + <span class='attribute'>#[<span class='ident'>inline</span>]</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>md_len</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>usize</span> { + <span class='kw'>use</span> <span class='self'>self</span>::<span class='ident'>Type</span>::<span class='op'>*</span>; + <span class='kw'>match</span> <span class='op'>*</span><span class='self'>self</span> { + <span class='ident'>MD5</span> <span class='op'>=></span> <span class='number'>16</span>, + <span class='ident'>SHA1</span> <span class='op'>=></span> <span class='number'>20</span>, + <span class='ident'>SHA224</span> <span class='op'>=></span> <span class='number'>28</span>, + <span class='ident'>SHA256</span> <span class='op'>=></span> <span class='number'>32</span>, + <span class='ident'>SHA384</span> <span class='op'>=></span> <span class='number'>48</span>, + <span class='ident'>SHA512</span> <span class='op'>=></span> <span class='number'>64</span>, + <span class='ident'>RIPEMD160</span> <span class='op'>=></span> <span class='number'>20</span>, + } + } + + <span class='doccomment'>/// Internal interface subject to removal.</span> + <span class='attribute'>#[<span class='ident'>inline</span>]</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>evp_md</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>ffi</span>::<span class='ident'>EVP_MD</span> { + <span class='kw'>unsafe</span> { + <span class='kw'>use</span> <span class='self'>self</span>::<span class='ident'>Type</span>::<span class='op'>*</span>; + <span class='kw'>match</span> <span class='op'>*</span><span class='self'>self</span> { + <span class='ident'>MD5</span> <span class='op'>=></span> <span class='ident'>ffi</span>::<span class='ident'>EVP_md5</span>(), + <span class='ident'>SHA1</span> <span class='op'>=></span> <span class='ident'>ffi</span>::<span class='ident'>EVP_sha1</span>(), + <span class='ident'>SHA224</span> <span class='op'>=></span> <span class='ident'>ffi</span>::<span class='ident'>EVP_sha224</span>(), + <span class='ident'>SHA256</span> <span class='op'>=></span> <span class='ident'>ffi</span>::<span class='ident'>EVP_sha256</span>(), + <span class='ident'>SHA384</span> <span class='op'>=></span> <span class='ident'>ffi</span>::<span class='ident'>EVP_sha384</span>(), + <span class='ident'>SHA512</span> <span class='op'>=></span> <span class='ident'>ffi</span>::<span class='ident'>EVP_sha512</span>(), + <span class='ident'>RIPEMD160</span> <span class='op'>=></span> <span class='ident'>ffi</span>::<span class='ident'>EVP_ripemd160</span>(), + } + } + } +} + +<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>PartialEq</span>, <span class='ident'>Copy</span>, <span class='ident'>Clone</span>)]</span> +<span class='kw'>enum</span> <span class='ident'>State</span> { + <span class='ident'>Reset</span>, + <span class='ident'>Updated</span>, + <span class='ident'>Finalized</span>, +} + +<span class='kw'>use</span> <span class='self'>self</span>::<span class='ident'>State</span>::<span class='op'>*</span>; + +<span class='doccomment'>/// Provides message digest (hash) computation.</span> +<span class='doccomment'>///</span> +<span class='doccomment'>/// # Examples</span> +<span class='doccomment'>///</span> +<span class='doccomment'>/// Calculate a hash in one go.</span> +<span class='doccomment'>///</span> +<span class='doccomment'>/// ```</span> +<span class='doccomment'>/// use openssl::crypto::hash::{hash, Type};</span> +<span class='doccomment'>/// let data = b"\x42\xF4\x97\xE0";</span> +<span class='doccomment'>/// let spec = b"\x7c\x43\x0f\x17\x8a\xef\xdf\x14\x87\xfe\xe7\x14\x4e\x96\x41\xe2";</span> +<span class='doccomment'>/// let res = hash(Type::MD5, data);</span> +<span class='doccomment'>/// assert_eq!(res, spec);</span> +<span class='doccomment'>/// ```</span> +<span class='doccomment'>///</span> +<span class='doccomment'>/// Use the `Write` trait to supply the input in chunks.</span> +<span class='doccomment'>///</span> +<span class='doccomment'>/// ```</span> +<span class='doccomment'>/// use std::io::prelude::*;</span> +<span class='doccomment'>/// use openssl::crypto::hash::{Hasher, Type};</span> +<span class='doccomment'>/// let data = [b"\x42\xF4", b"\x97\xE0"];</span> +<span class='doccomment'>/// let spec = b"\x7c\x43\x0f\x17\x8a\xef\xdf\x14\x87\xfe\xe7\x14\x4e\x96\x41\xe2";</span> +<span class='doccomment'>/// let mut h = Hasher::new(Type::MD5);</span> +<span class='doccomment'>/// h.write_all(data[0]);</span> +<span class='doccomment'>/// h.write_all(data[1]);</span> +<span class='doccomment'>/// let res = h.finish();</span> +<span class='doccomment'>/// assert_eq!(res, spec);</span> +<span class='doccomment'>/// ```</span> +<span class='doccomment'>///</span> +<span class='doccomment'>/// # Warning</span> +<span class='doccomment'>///</span> +<span class='doccomment'>/// Don't actually use MD5 and SHA-1 hashes, they're not secure anymore.</span> +<span class='doccomment'>///</span> +<span class='doccomment'>/// Don't ever hash passwords, use `crypto::pkcs5` or bcrypt/scrypt instead.</span> +<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>Hasher</span> { + <span class='ident'>ctx</span>: <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ffi</span>::<span class='ident'>EVP_MD_CTX</span>, + <span class='ident'>md</span>: <span class='op'>*</span><span class='kw'>const</span> <span class='ident'>ffi</span>::<span class='ident'>EVP_MD</span>, + <span class='ident'>type_</span>: <span class='ident'>Type</span>, + <span class='ident'>state</span>: <span class='ident'>State</span>, +} + +<span class='kw'>impl</span> <span class='ident'>Hasher</span> { + <span class='doccomment'>/// Creates a new `Hasher` with the specified hash type.</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>new</span>(<span class='ident'>ty</span>: <span class='ident'>Type</span>) <span class='op'>-></span> <span class='ident'>Hasher</span> { + <span class='ident'>ffi</span>::<span class='ident'>init</span>(); + + <span class='kw'>let</span> <span class='ident'>ctx</span> <span class='op'>=</span> <span class='kw'>unsafe</span> { + <span class='kw'>let</span> <span class='ident'>r</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>EVP_MD_CTX_create</span>(); + <span class='macro'>assert</span><span class='macro'>!</span>(<span class='op'>!</span><span class='ident'>r</span>.<span class='ident'>is_null</span>()); + <span class='ident'>r</span> + }; + <span class='kw'>let</span> <span class='ident'>md</span> <span class='op'>=</span> <span class='ident'>ty</span>.<span class='ident'>evp_md</span>(); + + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>h</span> <span class='op'>=</span> <span class='ident'>Hasher</span> { <span class='ident'>ctx</span>: <span class='ident'>ctx</span>, <span class='ident'>md</span>: <span class='ident'>md</span>, <span class='ident'>type_</span>: <span class='ident'>ty</span>, <span class='ident'>state</span>: <span class='ident'>Finalized</span> }; + <span class='ident'>h</span>.<span class='ident'>init</span>(); + <span class='ident'>h</span> + } + + <span class='attribute'>#[<span class='ident'>inline</span>]</span> + <span class='kw'>fn</span> <span class='ident'>init</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) { + <span class='kw'>match</span> <span class='self'>self</span>.<span class='ident'>state</span> { + <span class='ident'>Reset</span> <span class='op'>=></span> <span class='kw'>return</span>, + <span class='ident'>Updated</span> <span class='op'>=></span> { <span class='self'>self</span>.<span class='ident'>finalize</span>(); }, + <span class='ident'>Finalized</span> <span class='op'>=></span> (), + } + <span class='kw'>unsafe</span> { + <span class='kw'>let</span> <span class='ident'>r</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>EVP_DigestInit_ex</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>, <span class='self'>self</span>.<span class='ident'>md</span>, <span class='number'>0</span> <span class='kw'>as</span> <span class='op'>*</span><span class='kw'>const</span> _); + <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>r</span>, <span class='number'>1</span>); + } + <span class='self'>self</span>.<span class='ident'>state</span> <span class='op'>=</span> <span class='ident'>Reset</span>; + } + + <span class='attribute'>#[<span class='ident'>inline</span>]</span> + <span class='kw'>fn</span> <span class='ident'>update</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>data</span>: <span class='kw-2'>&</span>[<span class='ident'>u8</span>]) { + <span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>state</span> <span class='op'>==</span> <span class='ident'>Finalized</span> { + <span class='self'>self</span>.<span class='ident'>init</span>(); + } + <span class='kw'>unsafe</span> { + <span class='kw'>let</span> <span class='ident'>r</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>EVP_DigestUpdate</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>, <span class='ident'>data</span>.<span class='ident'>as_ptr</span>(), + <span class='ident'>data</span>.<span class='ident'>len</span>() <span class='kw'>as</span> <span class='ident'>c_uint</span>); + <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>r</span>, <span class='number'>1</span>); + } + <span class='self'>self</span>.<span class='ident'>state</span> <span class='op'>=</span> <span class='ident'>Updated</span>; + } + + <span class='attribute'>#[<span class='ident'>inline</span>]</span> + <span class='kw'>fn</span> <span class='ident'>finalize</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>Vec</span><span class='op'><</span><span class='ident'>u8</span><span class='op'>></span> { + <span class='kw'>if</span> <span class='self'>self</span>.<span class='ident'>state</span> <span class='op'>==</span> <span class='ident'>Finalized</span> { + <span class='self'>self</span>.<span class='ident'>init</span>(); + } + <span class='kw'>let</span> <span class='ident'>md_len</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>type_</span>.<span class='ident'>md_len</span>(); + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>res</span>: <span class='ident'>Vec</span><span class='op'><</span><span class='ident'>u8</span><span class='op'>></span> <span class='op'>=</span> <span class='ident'>repeat</span>(<span class='number'>0</span>).<span class='ident'>take</span>(<span class='ident'>md_len</span>).<span class='ident'>collect</span>(); + <span class='kw'>unsafe</span> { + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>len</span> <span class='op'>=</span> <span class='number'>0</span>; + <span class='kw'>let</span> <span class='ident'>r</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>EVP_DigestFinal_ex</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>, <span class='ident'>res</span>.<span class='ident'>as_mut_ptr</span>(), <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>len</span>); + <span class='self'>self</span>.<span class='ident'>state</span> <span class='op'>=</span> <span class='ident'>Finalized</span>; + <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>len</span> <span class='kw'>as</span> <span class='ident'>usize</span>, <span class='ident'>md_len</span>); + <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>r</span>, <span class='number'>1</span>); + } + <span class='ident'>res</span> + } + + <span class='doccomment'>/// Returns the hash of the data written since creation or</span> + <span class='doccomment'>/// the last `finish` and resets the hasher.</span> + <span class='attribute'>#[<span class='ident'>inline</span>]</span> + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>finish</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>Vec</span><span class='op'><</span><span class='ident'>u8</span><span class='op'>></span> { + <span class='self'>self</span>.<span class='ident'>finalize</span>() + } +} + +<span class='kw'>impl</span> <span class='ident'>Write</span> <span class='kw'>for</span> <span class='ident'>Hasher</span> { + <span class='attribute'>#[<span class='ident'>inline</span>]</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='ident'>io</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='ident'>update</span>(<span class='ident'>buf</span>); + <span class='prelude-val'>Ok</span>(<span class='ident'>buf</span>.<span class='ident'>len</span>()) + } + + <span class='kw'>fn</span> <span class='ident'>flush</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>io</span>::<span class='prelude-ty'>Result</span><span class='op'><</span>()<span class='op'>></span> { + <span class='prelude-val'>Ok</span>(()) + } +} + +<span class='kw'>impl</span> <span class='ident'>Clone</span> <span class='kw'>for</span> <span class='ident'>Hasher</span> { + <span class='kw'>fn</span> <span class='ident'>clone</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>Hasher</span> { + <span class='kw'>let</span> <span class='ident'>ctx</span> <span class='op'>=</span> <span class='kw'>unsafe</span> { + <span class='kw'>let</span> <span class='ident'>ctx</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>EVP_MD_CTX_create</span>(); + <span class='macro'>assert</span><span class='macro'>!</span>(<span class='op'>!</span><span class='ident'>ctx</span>.<span class='ident'>is_null</span>()); + <span class='kw'>let</span> <span class='ident'>r</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>EVP_MD_CTX_copy_ex</span>(<span class='ident'>ctx</span>, <span class='self'>self</span>.<span class='ident'>ctx</span>); + <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>r</span>, <span class='number'>1</span>); + <span class='ident'>ctx</span> + }; + <span class='ident'>Hasher</span> { <span class='ident'>ctx</span>: <span class='ident'>ctx</span>, <span class='ident'>md</span>: <span class='self'>self</span>.<span class='ident'>md</span>, <span class='ident'>type_</span>: <span class='self'>self</span>.<span class='ident'>type_</span>, <span class='ident'>state</span>: <span class='self'>self</span>.<span class='ident'>state</span> } + } +} + +<span class='kw'>impl</span> <span class='ident'>Drop</span> <span class='kw'>for</span> <span class='ident'>Hasher</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='ident'>state</span> <span class='op'>!=</span> <span class='ident'>Finalized</span> { + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>buf</span>: <span class='ident'>Vec</span><span class='op'><</span><span class='ident'>u8</span><span class='op'>></span> <span class='op'>=</span> <span class='ident'>repeat</span>(<span class='number'>0</span>).<span class='ident'>take</span>(<span class='self'>self</span>.<span class='ident'>type_</span>.<span class='ident'>md_len</span>()).<span class='ident'>collect</span>(); + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>len</span> <span class='op'>=</span> <span class='number'>0</span>; + <span class='ident'>ffi</span>::<span class='ident'>EVP_DigestFinal_ex</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>, <span class='ident'>buf</span>.<span class='ident'>as_mut_ptr</span>(), <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>len</span>); + } + <span class='ident'>ffi</span>::<span class='ident'>EVP_MD_CTX_destroy</span>(<span class='self'>self</span>.<span class='ident'>ctx</span>); + } + } +} + +<span class='doccomment'>/// Computes the hash of the `data` with the hash `t`.</span> +<span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>hash</span>(<span class='ident'>t</span>: <span class='ident'>Type</span>, <span class='ident'>data</span>: <span class='kw-2'>&</span>[<span class='ident'>u8</span>]) <span class='op'>-></span> <span class='ident'>Vec</span><span class='op'><</span><span class='ident'>u8</span><span class='op'>></span> { + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>h</span> <span class='op'>=</span> <span class='ident'>Hasher</span>::<span class='ident'>new</span>(<span class='ident'>t</span>); + <span class='kw'>let</span> _ <span class='op'>=</span> <span class='ident'>h</span>.<span class='ident'>write_all</span>(<span class='ident'>data</span>); + <span class='ident'>h</span>.<span class='ident'>finish</span>() +} + +<span class='attribute'>#[<span class='ident'>cfg</span>(<span class='ident'>test</span>)]</span> +<span class='kw'>mod</span> <span class='ident'>tests</span> { + <span class='kw'>use</span> <span class='ident'>serialize</span>::<span class='ident'>hex</span>::{<span class='ident'>FromHex</span>, <span class='ident'>ToHex</span>}; + <span class='kw'>use</span> <span class='ident'>super</span>::{<span class='ident'>hash</span>, <span class='ident'>Hasher</span>, <span class='ident'>Type</span>}; + <span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>io</span>::<span class='ident'>prelude</span>::<span class='op'>*</span>; + + <span class='kw'>fn</span> <span class='ident'>hash_test</span>(<span class='ident'>hashtype</span>: <span class='ident'>Type</span>, <span class='ident'>hashtest</span>: <span class='kw-2'>&</span>(<span class='kw-2'>&</span><span class='ident'>str</span>, <span class='kw-2'>&</span><span class='ident'>str</span>)) { + <span class='kw'>let</span> <span class='ident'>res</span> <span class='op'>=</span> <span class='ident'>hash</span>(<span class='ident'>hashtype</span>, <span class='kw-2'>&</span><span class='op'>*</span><span class='ident'>hashtest</span>.<span class='number'>0</span>.<span class='ident'>from_hex</span>().<span class='ident'>unwrap</span>()); + <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>res</span>.<span class='ident'>to_hex</span>(), <span class='ident'>hashtest</span>.<span class='number'>1</span>); + } + + <span class='kw'>fn</span> <span class='ident'>hash_recycle_test</span>(<span class='ident'>h</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>Hasher</span>, <span class='ident'>hashtest</span>: <span class='kw-2'>&</span>(<span class='kw-2'>&</span><span class='ident'>str</span>, <span class='kw-2'>&</span><span class='ident'>str</span>)) { + <span class='kw'>let</span> _ <span class='op'>=</span> <span class='ident'>h</span>.<span class='ident'>write_all</span>(<span class='kw-2'>&</span><span class='op'>*</span><span class='ident'>hashtest</span>.<span class='number'>0</span>.<span class='ident'>from_hex</span>().<span class='ident'>unwrap</span>()); + <span class='kw'>let</span> <span class='ident'>res</span> <span class='op'>=</span> <span class='ident'>h</span>.<span class='ident'>finish</span>(); + <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>res</span>.<span class='ident'>to_hex</span>(), <span class='ident'>hashtest</span>.<span class='number'>1</span>); + } + + <span class='comment'>// Test vectors from http://www.nsrl.nist.gov/testdata/</span> + <span class='attribute'>#[<span class='ident'>allow</span>(<span class='ident'>non_upper_case_globals</span>)]</span> + <span class='kw'>const</span> <span class='ident'>md5_tests</span>: [(<span class='kw-2'>&</span><span class='lifetime'>'static</span> <span class='ident'>str</span>, <span class='kw-2'>&</span><span class='lifetime'>'static</span> <span class='ident'>str</span>); <span class='number'>13</span>] <span class='op'>=</span> [ + (<span class='string'>""</span>, <span class='string'>"d41d8cd98f00b204e9800998ecf8427e"</span>), + (<span class='string'>"7F"</span>, <span class='string'>"83acb6e67e50e31db6ed341dd2de1595"</span>), + (<span class='string'>"EC9C"</span>, <span class='string'>"0b07f0d4ca797d8ac58874f887cb0b68"</span>), + (<span class='string'>"FEE57A"</span>, <span class='string'>"e0d583171eb06d56198fc0ef22173907"</span>), + (<span class='string'>"42F497E0"</span>, <span class='string'>"7c430f178aefdf1487fee7144e9641e2"</span>), + (<span class='string'>"C53B777F1C"</span>, <span class='string'>"75ef141d64cb37ec423da2d9d440c925"</span>), + (<span class='string'>"89D5B576327B"</span>, <span class='string'>"ebbaf15eb0ed784c6faa9dc32831bf33"</span>), + (<span class='string'>"5D4CCE781EB190"</span>, <span class='string'>"ce175c4b08172019f05e6b5279889f2c"</span>), + (<span class='string'>"81901FE94932D7B9"</span>, <span class='string'>"cd4d2f62b8cdb3a0cf968a735a239281"</span>), + (<span class='string'>"C9FFDEE7788EFB4EC9"</span>, <span class='string'>"e0841a231ab698db30c6c0f3f246c014"</span>), + (<span class='string'>"66AC4B7EBA95E53DC10B"</span>, <span class='string'>"a3b3cea71910d9af56742aa0bb2fe329"</span>), + (<span class='string'>"A510CD18F7A56852EB0319"</span>, <span class='string'>"577e216843dd11573574d3fb209b97d8"</span>), + (<span class='string'>"AAED18DBE8938C19ED734A8D"</span>, <span class='string'>"6f80fb775f27e0a4ce5c2f42fc72c5f1"</span>) + ]; + + <span class='attribute'>#[<span class='ident'>test</span>]</span> + <span class='kw'>fn</span> <span class='ident'>test_md5</span>() { + <span class='kw'>for</span> <span class='ident'>test</span> <span class='kw'>in</span> <span class='ident'>md5_tests</span>.<span class='ident'>iter</span>() { + <span class='ident'>hash_test</span>(<span class='ident'>Type</span>::<span class='ident'>MD5</span>, <span class='ident'>test</span>); + } + } + + <span class='attribute'>#[<span class='ident'>test</span>]</span> + <span class='kw'>fn</span> <span class='ident'>test_md5_recycle</span>() { + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>h</span> <span class='op'>=</span> <span class='ident'>Hasher</span>::<span class='ident'>new</span>(<span class='ident'>Type</span>::<span class='ident'>MD5</span>); + <span class='kw'>for</span> <span class='ident'>test</span> <span class='kw'>in</span> <span class='ident'>md5_tests</span>.<span class='ident'>iter</span>() { + <span class='ident'>hash_recycle_test</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>h</span>, <span class='ident'>test</span>); + } + } + + <span class='attribute'>#[<span class='ident'>test</span>]</span> + <span class='kw'>fn</span> <span class='ident'>test_finish_twice</span>() { + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>h</span> <span class='op'>=</span> <span class='ident'>Hasher</span>::<span class='ident'>new</span>(<span class='ident'>Type</span>::<span class='ident'>MD5</span>); + <span class='kw'>let</span> _ <span class='op'>=</span> <span class='ident'>h</span>.<span class='ident'>write_all</span>(<span class='kw-2'>&</span><span class='op'>*</span><span class='ident'>md5_tests</span>[<span class='number'>6</span>].<span class='number'>0</span>.<span class='ident'>from_hex</span>().<span class='ident'>unwrap</span>()); + <span class='kw'>let</span> _ <span class='op'>=</span> <span class='ident'>h</span>.<span class='ident'>finish</span>(); + <span class='kw'>let</span> <span class='ident'>res</span> <span class='op'>=</span> <span class='ident'>h</span>.<span class='ident'>finish</span>(); + <span class='kw'>let</span> <span class='ident'>null</span> <span class='op'>=</span> <span class='ident'>hash</span>(<span class='ident'>Type</span>::<span class='ident'>MD5</span>, <span class='kw-2'>&</span>[]); + <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>res</span>, <span class='ident'>null</span>); + } + + <span class='attribute'>#[<span class='ident'>test</span>]</span> + <span class='kw'>fn</span> <span class='ident'>test_clone</span>() { + <span class='kw'>let</span> <span class='ident'>i</span> <span class='op'>=</span> <span class='number'>7</span>; + <span class='kw'>let</span> <span class='ident'>inp</span> <span class='op'>=</span> <span class='ident'>md5_tests</span>[<span class='ident'>i</span>].<span class='number'>0</span>.<span class='ident'>from_hex</span>().<span class='ident'>unwrap</span>(); + <span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>inp</span>.<span class='ident'>len</span>() <span class='op'>></span> <span class='number'>2</span>); + <span class='kw'>let</span> <span class='ident'>p</span> <span class='op'>=</span> <span class='ident'>inp</span>.<span class='ident'>len</span>() <span class='op'>/</span> <span class='number'>2</span>; + <span class='kw'>let</span> <span class='ident'>h0</span> <span class='op'>=</span> <span class='ident'>Hasher</span>::<span class='ident'>new</span>(<span class='ident'>Type</span>::<span class='ident'>MD5</span>); + + <span class='macro'>println</span><span class='macro'>!</span>(<span class='string'>"Clone a new hasher"</span>); + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>h1</span> <span class='op'>=</span> <span class='ident'>h0</span>.<span class='ident'>clone</span>(); + <span class='kw'>let</span> _ <span class='op'>=</span> <span class='ident'>h1</span>.<span class='ident'>write_all</span>(<span class='kw-2'>&</span><span class='ident'>inp</span>[..<span class='ident'>p</span>]); + { + <span class='macro'>println</span><span class='macro'>!</span>(<span class='string'>"Clone an updated hasher"</span>); + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>h2</span> <span class='op'>=</span> <span class='ident'>h1</span>.<span class='ident'>clone</span>(); + <span class='kw'>let</span> _ <span class='op'>=</span> <span class='ident'>h2</span>.<span class='ident'>write_all</span>(<span class='kw-2'>&</span><span class='ident'>inp</span>[<span class='ident'>p</span>..]); + <span class='kw'>let</span> <span class='ident'>res</span> <span class='op'>=</span> <span class='ident'>h2</span>.<span class='ident'>finish</span>(); + <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>res</span>.<span class='ident'>to_hex</span>(), <span class='ident'>md5_tests</span>[<span class='ident'>i</span>].<span class='number'>1</span>); + } + <span class='kw'>let</span> _ <span class='op'>=</span> <span class='ident'>h1</span>.<span class='ident'>write_all</span>(<span class='kw-2'>&</span><span class='ident'>inp</span>[<span class='ident'>p</span>..]); + <span class='kw'>let</span> <span class='ident'>res</span> <span class='op'>=</span> <span class='ident'>h1</span>.<span class='ident'>finish</span>(); + <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>res</span>.<span class='ident'>to_hex</span>(), <span class='ident'>md5_tests</span>[<span class='ident'>i</span>].<span class='number'>1</span>); + + <span class='macro'>println</span><span class='macro'>!</span>(<span class='string'>"Clone a finished hasher"</span>); + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>h3</span> <span class='op'>=</span> <span class='ident'>h1</span>.<span class='ident'>clone</span>(); + <span class='kw'>let</span> _ <span class='op'>=</span> <span class='ident'>h3</span>.<span class='ident'>write_all</span>(<span class='kw-2'>&</span><span class='op'>*</span><span class='ident'>md5_tests</span>[<span class='ident'>i</span> <span class='op'>+</span> <span class='number'>1</span>].<span class='number'>0</span>.<span class='ident'>from_hex</span>().<span class='ident'>unwrap</span>()); + <span class='kw'>let</span> <span class='ident'>res</span> <span class='op'>=</span> <span class='ident'>h3</span>.<span class='ident'>finish</span>(); + <span class='macro'>assert_eq</span><span class='macro'>!</span>(<span class='ident'>res</span>.<span class='ident'>to_hex</span>(), <span class='ident'>md5_tests</span>[<span class='ident'>i</span> <span class='op'>+</span> <span class='number'>1</span>].<span class='number'>1</span>); + } + + <span class='attribute'>#[<span class='ident'>test</span>]</span> + <span class='kw'>fn</span> <span class='ident'>test_sha1</span>() { + <span class='kw'>let</span> <span class='ident'>tests</span> <span class='op'>=</span> [ + (<span class='string'>"616263"</span>, <span class='string'>"a9993e364706816aba3e25717850c26c9cd0d89d"</span>), + ]; + + <span class='kw'>for</span> <span class='ident'>test</span> <span class='kw'>in</span> <span class='ident'>tests</span>.<span class='ident'>iter</span>() { + <span class='ident'>hash_test</span>(<span class='ident'>Type</span>::<span class='ident'>SHA1</span>, <span class='ident'>test</span>); + } + } + + <span class='attribute'>#[<span class='ident'>test</span>]</span> + <span class='kw'>fn</span> <span class='ident'>test_sha256</span>() { + <span class='kw'>let</span> <span class='ident'>tests</span> <span class='op'>=</span> [ + (<span class='string'>"616263"</span>, <span class='string'>"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"</span>) + ]; + + <span class='kw'>for</span> <span class='ident'>test</span> <span class='kw'>in</span> <span class='ident'>tests</span>.<span class='ident'>iter</span>() { + <span class='ident'>hash_test</span>(<span class='ident'>Type</span>::<span class='ident'>SHA256</span>, <span class='ident'>test</span>); + } + } + + <span class='attribute'>#[<span class='ident'>test</span>]</span> + <span class='kw'>fn</span> <span class='ident'>test_ripemd160</span>() { + <span class='kw'>let</span> <span class='ident'>tests</span> <span class='op'>=</span> [ + (<span class='string'>"616263"</span>, <span class='string'>"8eb208f7e05d987a9b044a8e98c6b087f15a0bfc"</span>) + ]; + + <span class='kw'>for</span> <span class='ident'>test</span> <span class='kw'>in</span> <span class='ident'>tests</span>.<span class='ident'>iter</span>() { + <span class='ident'>hash_test</span>(<span class='ident'>Type</span>::<span class='ident'>RIPEMD160</span>, <span class='ident'>test</span>); + } + } +} +</pre> +</section> + <section id='search' class="content hidden"></section> + + <section class="footer"></section> + + <div id="help" class="hidden"> + <div class="shortcuts"> + <h1>Keyboard shortcuts</h1> + <dl> + <dt>?</dt> + <dd>Show this help dialog</dd> + <dt>S</dt> + <dd>Focus the search field</dd> + <dt>⇤</dt> + <dd>Move up in 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