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diff --git a/src/openssl/bn/mod.rs.html b/src/openssl/bn/mod.rs.html new file mode 100644 index 0000000..f57f83e --- /dev/null +++ b/src/openssl/bn/mod.rs.html @@ -0,0 +1,1305 @@ +<!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/bn/mod.rs`."> + <meta name="keywords" content="rust, rustlang, rust-lang"> + + <title>mod.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"> 28</span> +<span id="29"> 29</span> +<span id="30"> 30</span> +<span id="31"> 31</span> +<span id="32"> 32</span> +<span id="33"> 33</span> +<span id="34"> 34</span> +<span id="35"> 35</span> +<span id="36"> 36</span> +<span id="37"> 37</span> +<span id="38"> 38</span> +<span id="39"> 39</span> +<span id="40"> 40</span> +<span id="41"> 41</span> +<span id="42"> 42</span> +<span id="43"> 43</span> +<span id="44"> 44</span> +<span id="45"> 45</span> +<span id="46"> 46</span> +<span id="47"> 47</span> +<span id="48"> 48</span> +<span id="49"> 49</span> +<span id="50"> 50</span> +<span id="51"> 51</span> +<span id="52"> 52</span> +<span id="53"> 53</span> +<span id="54"> 54</span> +<span id="55"> 55</span> +<span id="56"> 56</span> +<span id="57"> 57</span> +<span id="58"> 58</span> +<span id="59"> 59</span> +<span id="60"> 60</span> +<span id="61"> 61</span> +<span id="62"> 62</span> +<span id="63"> 63</span> +<span id="64"> 64</span> +<span id="65"> 65</span> +<span id="66"> 66</span> +<span id="67"> 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id="512">512</span> +<span id="513">513</span> +<span id="514">514</span> +<span id="515">515</span> +<span id="516">516</span> +<span id="517">517</span> +<span id="518">518</span> +<span id="519">519</span> +<span id="520">520</span> +<span id="521">521</span> +<span id="522">522</span> +<span id="523">523</span> +<span id="524">524</span> +<span id="525">525</span> +<span id="526">526</span> +<span id="527">527</span> +<span id="528">528</span> +<span id="529">529</span> +<span id="530">530</span> +<span id="531">531</span> +<span id="532">532</span> +<span id="533">533</span> +<span id="534">534</span> +<span id="535">535</span> +<span id="536">536</span> +<span id="537">537</span> +<span id="538">538</span> +<span id="539">539</span> +<span id="540">540</span> +<span id="541">541</span> +<span id="542">542</span> +<span id="543">543</span> +<span id="544">544</span> +<span id="545">545</span> +<span id="546">546</span> +<span id="547">547</span> +<span id="548">548</span> +<span id="549">549</span> +<span id="550">550</span> +<span id="551">551</span> +<span id="552">552</span> +<span id="553">553</span> +<span id="554">554</span> +<span id="555">555</span> +<span id="556">556</span> +<span id="557">557</span> +<span id="558">558</span> +<span id="559">559</span> +<span id="560">560</span> +<span id="561">561</span> +<span id="562">562</span> +<span id="563">563</span> +<span id="564">564</span> +<span id="565">565</span> +<span id="566">566</span> +<span id="567">567</span> +<span id="568">568</span> +<span id="569">569</span> +<span id="570">570</span> +<span id="571">571</span> +<span id="572">572</span> +<span id="573">573</span> +<span id="574">574</span> +<span id="575">575</span> +<span id="576">576</span> +<span id="577">577</span> +<span id="578">578</span> +<span id="579">579</span> +<span id="580">580</span> +<span id="581">581</span> +<span id="582">582</span> +<span id="583">583</span> +<span id="584">584</span> +<span id="585">585</span> +<span id="586">586</span> +<span id="587">587</span> +<span id="588">588</span> +<span id="589">589</span> +<span id="590">590</span> +<span id="591">591</span> +<span id="592">592</span> +<span id="593">593</span> +<span id="594">594</span> +<span id="595">595</span> +<span id="596">596</span> +<span id="597">597</span> +<span id="598">598</span> +<span id="599">599</span> +<span id="600">600</span> +<span id="601">601</span> +<span id="602">602</span> +<span id="603">603</span> +<span id="604">604</span> +</pre><pre class='rust '> +<span class='kw'>use</span> <span class='ident'>libc</span>::{<span class='ident'>c_int</span>, <span class='ident'>c_ulong</span>, <span class='ident'>c_void</span>}; +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>ffi</span>::{<span class='ident'>CStr</span>, <span class='ident'>CString</span>}; +<span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>cmp</span>::<span class='ident'>Ordering</span>; +<span class='kw'>use</span> <span class='ident'>std</span>::{<span class='ident'>fmt</span>, <span class='ident'>ptr</span>}; + +<span class='kw'>use</span> <span class='ident'>ffi</span>; +<span class='kw'>use</span> <span class='ident'>ssl</span>::<span class='ident'>error</span>::<span class='ident'>SslError</span>; + +<span class='kw'>pub</span> <span class='kw'>struct</span> <span class='ident'>BigNum</span>(<span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ffi</span>::<span class='ident'>BIGNUM</span>); + +<span class='attribute'>#[<span class='ident'>derive</span>(<span class='ident'>Copy</span>, <span class='ident'>Clone</span>)]</span> +<span class='attribute'>#[<span class='ident'>repr</span>(<span class='ident'>C</span>)]</span> +<span class='kw'>pub</span> <span class='kw'>enum</span> <span class='ident'>RNGProperty</span> { + <span class='ident'>MsbMaybeZero</span> <span class='op'>=</span> <span class='op'>-</span><span class='number'>1</span>, + <span class='ident'>MsbOne</span> <span class='op'>=</span> <span class='number'>0</span>, + <span class='ident'>TwoMsbOne</span> <span class='op'>=</span> <span class='number'>1</span>, +} + +<span class='macro'>macro_rules</span><span class='macro'>!</span> <span class='ident'>with_ctx</span>( + (<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>name</span>:<span class='ident'>ident</span>, <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>action</span>:<span class='ident'>block</span>) <span class='op'>=></span> ({ + <span class='kw'>let</span> <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>name</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>BN_CTX_new</span>(); + <span class='kw'>if</span> (<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>name</span>).<span class='ident'>is_null</span>() { + <span class='prelude-val'>Err</span>(<span class='ident'>SslError</span>::<span class='ident'>get</span>()) + } <span class='kw'>else</span> { + <span class='kw'>let</span> <span class='ident'>r</span> <span class='op'>=</span> <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>action</span>; + <span class='ident'>ffi</span>::<span class='ident'>BN_CTX_free</span>(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>name</span>); + <span class='ident'>r</span> + } + }); +); + +<span class='macro'>macro_rules</span><span class='macro'>!</span> <span class='ident'>with_bn</span>( + (<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>name</span>:<span class='ident'>ident</span>, <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>action</span>:<span class='ident'>block</span>) <span class='op'>=></span> ({ + <span class='kw'>let</span> <span class='ident'>tmp</span> <span class='op'>=</span> <span class='ident'>BigNum</span>::<span class='ident'>new</span>(); + <span class='kw'>match</span> <span class='ident'>tmp</span> { + <span class='prelude-val'>Ok</span>(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>name</span>) <span class='op'>=></span> { + <span class='kw'>if</span> <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>action</span> { + <span class='prelude-val'>Ok</span>(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>name</span>) + } <span class='kw'>else</span> { + <span class='prelude-val'>Err</span>(<span class='ident'>SslError</span>::<span class='ident'>get</span>()) + } + }, + <span class='prelude-val'>Err</span>(<span class='ident'>err</span>) <span class='op'>=></span> <span class='prelude-val'>Err</span>(<span class='ident'>err</span>), + } + }); +); + +<span class='macro'>macro_rules</span><span class='macro'>!</span> <span class='ident'>with_bn_in_ctx</span>( + (<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>name</span>:<span class='ident'>ident</span>, <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>ctx_name</span>:<span class='ident'>ident</span>, <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>action</span>:<span class='ident'>block</span>) <span class='op'>=></span> ({ + <span class='kw'>let</span> <span class='ident'>tmp</span> <span class='op'>=</span> <span class='ident'>BigNum</span>::<span class='ident'>new</span>(); + <span class='kw'>match</span> <span class='ident'>tmp</span> { + <span class='prelude-val'>Ok</span>(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>name</span>) <span class='op'>=></span> { + <span class='kw'>let</span> <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>ctx_name</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>BN_CTX_new</span>(); + <span class='kw'>if</span> (<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>ctx_name</span>).<span class='ident'>is_null</span>() { + <span class='prelude-val'>Err</span>(<span class='ident'>SslError</span>::<span class='ident'>get</span>()) + } <span class='kw'>else</span> { + <span class='kw'>let</span> <span class='ident'>r</span> <span class='op'>=</span> + <span class='kw'>if</span> <span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>action</span> { + <span class='prelude-val'>Ok</span>(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>name</span>) + } <span class='kw'>else</span> { + <span class='prelude-val'>Err</span>(<span class='ident'>SslError</span>::<span class='ident'>get</span>()) + }; + <span class='ident'>ffi</span>::<span class='ident'>BN_CTX_free</span>(<span class='macro-nonterminal'>$</span><span class='macro-nonterminal'>ctx_name</span>); + <span class='ident'>r</span> + } + }, + <span class='prelude-val'>Err</span>(<span class='ident'>err</span>) <span class='op'>=></span> <span class='prelude-val'>Err</span>(<span class='ident'>err</span>), + } + }); +); + +<span class='kw'>impl</span> <span class='ident'>BigNum</span> { + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>new</span>() <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='ident'>ffi</span>::<span class='ident'>init</span>(); + + <span class='kw'>let</span> <span class='ident'>v</span> <span class='op'>=</span> <span class='macro'>try_ssl_null</span><span class='macro'>!</span>(<span class='ident'>ffi</span>::<span class='ident'>BN_new</span>()); + <span class='prelude-val'>Ok</span>(<span class='ident'>BigNum</span>(<span class='ident'>v</span>)) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>new_from</span>(<span class='ident'>n</span>: <span class='ident'>u64</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='ident'>BigNum</span>::<span class='ident'>new</span>().<span class='ident'>and_then</span>(<span class='op'>|</span><span class='ident'>v</span><span class='op'>|</span> <span class='kw'>unsafe</span> { + <span class='macro'>try_ssl</span><span class='macro'>!</span>(<span class='ident'>ffi</span>::<span class='ident'>BN_set_word</span>(<span class='ident'>v</span>.<span class='ident'>raw</span>(), <span class='ident'>n</span> <span class='kw'>as</span> <span class='ident'>c_ulong</span>)); + <span class='prelude-val'>Ok</span>(<span class='ident'>v</span>) + }) + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>from_dec_str</span>(<span class='ident'>s</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='ident'>BigNum</span>::<span class='ident'>new</span>().<span class='ident'>and_then</span>(<span class='op'>|</span><span class='ident'>v</span><span class='op'>|</span> <span class='kw'>unsafe</span> { + <span class='kw'>let</span> <span class='ident'>c_str</span> <span class='op'>=</span> <span class='ident'>CString</span>::<span class='ident'>new</span>(<span class='ident'>s</span>.<span class='ident'>as_bytes</span>()).<span class='ident'>unwrap</span>(); + <span class='macro'>try_ssl</span><span class='macro'>!</span>(<span class='ident'>ffi</span>::<span class='ident'>BN_dec2bn</span>(<span class='ident'>v</span>.<span class='ident'>raw_ptr</span>(), <span class='ident'>c_str</span>.<span class='ident'>as_ptr</span>())); + <span class='prelude-val'>Ok</span>(<span class='ident'>v</span>) + }) + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>from_hex_str</span>(<span class='ident'>s</span>: <span class='kw-2'>&</span><span class='ident'>str</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='ident'>BigNum</span>::<span class='ident'>new</span>().<span class='ident'>and_then</span>(<span class='op'>|</span><span class='ident'>v</span><span class='op'>|</span> <span class='kw'>unsafe</span> { + <span class='kw'>let</span> <span class='ident'>c_str</span> <span class='op'>=</span> <span class='ident'>CString</span>::<span class='ident'>new</span>(<span class='ident'>s</span>.<span class='ident'>as_bytes</span>()).<span class='ident'>unwrap</span>(); + <span class='macro'>try_ssl</span><span class='macro'>!</span>(<span class='ident'>ffi</span>::<span class='ident'>BN_hex2bn</span>(<span class='ident'>v</span>.<span class='ident'>raw_ptr</span>(), <span class='ident'>c_str</span>.<span class='ident'>as_ptr</span>())); + <span class='prelude-val'>Ok</span>(<span class='ident'>v</span>) + }) + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>new_from_slice</span>(<span class='ident'>n</span>: <span class='kw-2'>&</span>[<span class='ident'>u8</span>]) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='ident'>BigNum</span>::<span class='ident'>new</span>().<span class='ident'>and_then</span>(<span class='op'>|</span><span class='ident'>v</span><span class='op'>|</span> <span class='kw'>unsafe</span> { + <span class='macro'>try_ssl_null</span><span class='macro'>!</span>(<span class='ident'>ffi</span>::<span class='ident'>BN_bin2bn</span>(<span class='ident'>n</span>.<span class='ident'>as_ptr</span>(), <span class='ident'>n</span>.<span class='ident'>len</span>() <span class='kw'>as</span> <span class='ident'>c_int</span>, <span class='ident'>v</span>.<span class='ident'>raw</span>())); + <span class='prelude-val'>Ok</span>(<span class='ident'>v</span>) + }) + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>checked_sqr</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_bn_in_ctx</span><span class='macro'>!</span>(<span class='ident'>r</span>, <span class='ident'>ctx</span>, { <span class='ident'>ffi</span>::<span class='ident'>BN_sqr</span>(<span class='ident'>r</span>.<span class='ident'>raw</span>(), <span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>ctx</span>) <span class='op'>==</span> <span class='number'>1</span> }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>checked_nnmod</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>n</span>: <span class='kw-2'>&</span><span class='ident'>BigNum</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_bn_in_ctx</span><span class='macro'>!</span>(<span class='ident'>r</span>, <span class='ident'>ctx</span>, { <span class='ident'>ffi</span>::<span class='ident'>BN_nnmod</span>(<span class='ident'>r</span>.<span class='ident'>raw</span>(), <span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>n</span>.<span class='ident'>raw</span>(), <span class='ident'>ctx</span>) <span class='op'>==</span> <span class='number'>1</span> }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>checked_mod_add</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>a</span>: <span class='kw-2'>&</span><span class='ident'>BigNum</span>, <span class='ident'>n</span>: <span class='kw-2'>&</span><span class='ident'>BigNum</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_bn_in_ctx</span><span class='macro'>!</span>(<span class='ident'>r</span>, <span class='ident'>ctx</span>, { <span class='ident'>ffi</span>::<span class='ident'>BN_mod_add</span>(<span class='ident'>r</span>.<span class='ident'>raw</span>(), <span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>a</span>.<span class='ident'>raw</span>(), <span class='ident'>n</span>.<span class='ident'>raw</span>(), <span class='ident'>ctx</span>) <span class='op'>==</span> <span class='number'>1</span> }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>checked_mod_sub</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>a</span>: <span class='kw-2'>&</span><span class='ident'>BigNum</span>, <span class='ident'>n</span>: <span class='kw-2'>&</span><span class='ident'>BigNum</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_bn_in_ctx</span><span class='macro'>!</span>(<span class='ident'>r</span>, <span class='ident'>ctx</span>, { <span class='ident'>ffi</span>::<span class='ident'>BN_mod_sub</span>(<span class='ident'>r</span>.<span class='ident'>raw</span>(), <span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>a</span>.<span class='ident'>raw</span>(), <span class='ident'>n</span>.<span class='ident'>raw</span>(), <span class='ident'>ctx</span>) <span class='op'>==</span> <span class='number'>1</span> }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>checked_mod_mul</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>a</span>: <span class='kw-2'>&</span><span class='ident'>BigNum</span>, <span class='ident'>n</span>: <span class='kw-2'>&</span><span class='ident'>BigNum</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_bn_in_ctx</span><span class='macro'>!</span>(<span class='ident'>r</span>, <span class='ident'>ctx</span>, { <span class='ident'>ffi</span>::<span class='ident'>BN_mod_mul</span>(<span class='ident'>r</span>.<span class='ident'>raw</span>(), <span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>a</span>.<span class='ident'>raw</span>(), <span class='ident'>n</span>.<span class='ident'>raw</span>(), <span class='ident'>ctx</span>) <span class='op'>==</span> <span class='number'>1</span> }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>checked_mod_sqr</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>n</span>: <span class='kw-2'>&</span><span class='ident'>BigNum</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_bn_in_ctx</span><span class='macro'>!</span>(<span class='ident'>r</span>, <span class='ident'>ctx</span>, { <span class='ident'>ffi</span>::<span class='ident'>BN_mod_sqr</span>(<span class='ident'>r</span>.<span class='ident'>raw</span>(), <span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>n</span>.<span class='ident'>raw</span>(), <span class='ident'>ctx</span>) <span class='op'>==</span> <span class='number'>1</span> }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>checked_exp</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>p</span>: <span class='kw-2'>&</span><span class='ident'>BigNum</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_bn_in_ctx</span><span class='macro'>!</span>(<span class='ident'>r</span>, <span class='ident'>ctx</span>, { <span class='ident'>ffi</span>::<span class='ident'>BN_exp</span>(<span class='ident'>r</span>.<span class='ident'>raw</span>(), <span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>p</span>.<span class='ident'>raw</span>(), <span class='ident'>ctx</span>) <span class='op'>==</span> <span class='number'>1</span> }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>checked_mod_exp</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>p</span>: <span class='kw-2'>&</span><span class='ident'>BigNum</span>, <span class='ident'>n</span>: <span class='kw-2'>&</span><span class='ident'>BigNum</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_bn_in_ctx</span><span class='macro'>!</span>(<span class='ident'>r</span>, <span class='ident'>ctx</span>, { <span class='ident'>ffi</span>::<span class='ident'>BN_mod_exp</span>(<span class='ident'>r</span>.<span class='ident'>raw</span>(), <span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>p</span>.<span class='ident'>raw</span>(), <span class='ident'>n</span>.<span class='ident'>raw</span>(), <span class='ident'>ctx</span>) <span class='op'>==</span> <span class='number'>1</span> }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>checked_mod_inv</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>n</span>: <span class='kw-2'>&</span><span class='ident'>BigNum</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_bn_in_ctx</span><span class='macro'>!</span>(<span class='ident'>r</span>, <span class='ident'>ctx</span>, { <span class='op'>!</span><span class='ident'>ffi</span>::<span class='ident'>BN_mod_inverse</span>(<span class='ident'>r</span>.<span class='ident'>raw</span>(), <span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>n</span>.<span class='ident'>raw</span>(), <span class='ident'>ctx</span>).<span class='ident'>is_null</span>() }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>add_word</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>w</span>: <span class='ident'>c_ulong</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span>(), <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='kw'>if</span> <span class='ident'>ffi</span>::<span class='ident'>BN_add_word</span>(<span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>w</span>) <span class='op'>==</span> <span class='number'>1</span> { + <span class='prelude-val'>Ok</span>(()) + } <span class='kw'>else</span> { + <span class='prelude-val'>Err</span>(<span class='ident'>SslError</span>::<span class='ident'>get</span>()) + } + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>sub_word</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>w</span>: <span class='ident'>c_ulong</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span>(), <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='kw'>if</span> <span class='ident'>ffi</span>::<span class='ident'>BN_sub_word</span>(<span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>w</span>) <span class='op'>==</span> <span class='number'>1</span> { + <span class='prelude-val'>Ok</span>(()) + } <span class='kw'>else</span> { + <span class='prelude-val'>Err</span>(<span class='ident'>SslError</span>::<span class='ident'>get</span>()) + } + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>mul_word</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>w</span>: <span class='ident'>c_ulong</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span>(), <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='kw'>if</span> <span class='ident'>ffi</span>::<span class='ident'>BN_mul_word</span>(<span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>w</span>) <span class='op'>==</span> <span class='number'>1</span> { + <span class='prelude-val'>Ok</span>(()) + } <span class='kw'>else</span> { + <span class='prelude-val'>Err</span>(<span class='ident'>SslError</span>::<span class='ident'>get</span>()) + } + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>div_word</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>w</span>: <span class='ident'>c_ulong</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>c_ulong</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='kw'>let</span> <span class='ident'>result</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>BN_div_word</span>(<span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>w</span>); + <span class='kw'>if</span> <span class='ident'>result</span> <span class='op'>!=</span> <span class='op'>!</span><span class='number'>0</span> <span class='kw'>as</span> <span class='ident'>c_ulong</span> { + <span class='prelude-val'>Ok</span>(<span class='ident'>result</span>) + } <span class='kw'>else</span> { + <span class='prelude-val'>Err</span>(<span class='ident'>SslError</span>::<span class='ident'>get</span>()) + } + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>mod_word</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>w</span>: <span class='ident'>c_ulong</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>c_ulong</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='kw'>let</span> <span class='ident'>result</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>BN_mod_word</span>(<span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>w</span>); + <span class='kw'>if</span> <span class='ident'>result</span> <span class='op'>!=</span> <span class='op'>!</span><span class='number'>0</span> <span class='kw'>as</span> <span class='ident'>c_ulong</span> { + <span class='prelude-val'>Ok</span>(<span class='ident'>result</span>) + } <span class='kw'>else</span> { + <span class='prelude-val'>Err</span>(<span class='ident'>SslError</span>::<span class='ident'>get</span>()) + } + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>checked_gcd</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>a</span>: <span class='kw-2'>&</span><span class='ident'>BigNum</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_bn_in_ctx</span><span class='macro'>!</span>(<span class='ident'>r</span>, <span class='ident'>ctx</span>, { <span class='ident'>ffi</span>::<span class='ident'>BN_gcd</span>(<span class='ident'>r</span>.<span class='ident'>raw</span>(), <span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>a</span>.<span class='ident'>raw</span>(), <span class='ident'>ctx</span>) <span class='op'>==</span> <span class='number'>1</span> }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>checked_generate_prime</span>(<span class='ident'>bits</span>: <span class='ident'>i32</span>, <span class='ident'>safe</span>: <span class='ident'>bool</span>, <span class='ident'>add</span>: <span class='prelude-ty'>Option</span><span class='op'><</span><span class='kw-2'>&</span><span class='ident'>BigNum</span><span class='op'>></span>, <span class='ident'>rem</span>: <span class='prelude-ty'>Option</span><span class='op'><</span><span class='kw-2'>&</span><span class='ident'>BigNum</span><span class='op'>></span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_bn_in_ctx</span><span class='macro'>!</span>(<span class='ident'>r</span>, <span class='ident'>ctx</span>, { + <span class='kw'>let</span> <span class='ident'>add_arg</span> <span class='op'>=</span> <span class='ident'>add</span>.<span class='ident'>map</span>(<span class='op'>|</span><span class='ident'>a</span><span class='op'>|</span> <span class='ident'>a</span>.<span class='ident'>raw</span>()).<span class='ident'>unwrap_or</span>(<span class='ident'>ptr</span>::<span class='ident'>null_mut</span>()); + <span class='kw'>let</span> <span class='ident'>rem_arg</span> <span class='op'>=</span> <span class='ident'>rem</span>.<span class='ident'>map</span>(<span class='op'>|</span><span class='ident'>r</span><span class='op'>|</span> <span class='ident'>r</span>.<span class='ident'>raw</span>()).<span class='ident'>unwrap_or</span>(<span class='ident'>ptr</span>::<span class='ident'>null_mut</span>()); + + <span class='ident'>ffi</span>::<span class='ident'>BN_generate_prime_ex</span>(<span class='ident'>r</span>.<span class='ident'>raw</span>(), <span class='ident'>bits</span> <span class='kw'>as</span> <span class='ident'>c_int</span>, <span class='ident'>safe</span> <span class='kw'>as</span> <span class='ident'>c_int</span>, <span class='ident'>add_arg</span>, <span class='ident'>rem_arg</span>, <span class='ident'>ptr</span>::<span class='ident'>null</span>()) <span class='op'>==</span> <span class='number'>1</span> + }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>is_prime</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>checks</span>: <span class='ident'>i32</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>bool</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_ctx</span><span class='macro'>!</span>(<span class='ident'>ctx</span>, { + <span class='prelude-val'>Ok</span>(<span class='ident'>ffi</span>::<span class='ident'>BN_is_prime_ex</span>(<span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>checks</span> <span class='kw'>as</span> <span class='ident'>c_int</span>, <span class='ident'>ctx</span>, <span class='ident'>ptr</span>::<span class='ident'>null</span>()) <span class='op'>==</span> <span class='number'>1</span>) + }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>is_prime_fast</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>checks</span>: <span class='ident'>i32</span>, <span class='ident'>do_trial_division</span>: <span class='ident'>bool</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>bool</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_ctx</span><span class='macro'>!</span>(<span class='ident'>ctx</span>, { + <span class='prelude-val'>Ok</span>(<span class='ident'>ffi</span>::<span class='ident'>BN_is_prime_fasttest_ex</span>(<span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>checks</span> <span class='kw'>as</span> <span class='ident'>c_int</span>, <span class='ident'>ctx</span>, <span class='ident'>do_trial_division</span> <span class='kw'>as</span> <span class='ident'>c_int</span>, <span class='ident'>ptr</span>::<span class='ident'>null</span>()) <span class='op'>==</span> <span class='number'>1</span>) + }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>checked_new_random</span>(<span class='ident'>bits</span>: <span class='ident'>i32</span>, <span class='ident'>prop</span>: <span class='ident'>RNGProperty</span>, <span class='ident'>odd</span>: <span class='ident'>bool</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_bn_in_ctx</span><span class='macro'>!</span>(<span class='ident'>r</span>, <span class='ident'>ctx</span>, { <span class='ident'>ffi</span>::<span class='ident'>BN_rand</span>(<span class='ident'>r</span>.<span class='ident'>raw</span>(), <span class='ident'>bits</span> <span class='kw'>as</span> <span class='ident'>c_int</span>, <span class='ident'>prop</span> <span class='kw'>as</span> <span class='ident'>c_int</span>, <span class='ident'>odd</span> <span class='kw'>as</span> <span class='ident'>c_int</span>) <span class='op'>==</span> <span class='number'>1</span> }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>checked_new_pseudo_random</span>(<span class='ident'>bits</span>: <span class='ident'>i32</span>, <span class='ident'>prop</span>: <span class='ident'>RNGProperty</span>, <span class='ident'>odd</span>: <span class='ident'>bool</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_bn_in_ctx</span><span class='macro'>!</span>(<span class='ident'>r</span>, <span class='ident'>ctx</span>, { <span class='ident'>ffi</span>::<span class='ident'>BN_pseudo_rand</span>(<span class='ident'>r</span>.<span class='ident'>raw</span>(), <span class='ident'>bits</span> <span class='kw'>as</span> <span class='ident'>c_int</span>, <span class='ident'>prop</span> <span class='kw'>as</span> <span class='ident'>c_int</span>, <span class='ident'>odd</span> <span class='kw'>as</span> <span class='ident'>c_int</span>) <span class='op'>==</span> <span class='number'>1</span> }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>checked_rand_in_range</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_bn_in_ctx</span><span class='macro'>!</span>(<span class='ident'>r</span>, <span class='ident'>ctx</span>, { <span class='ident'>ffi</span>::<span class='ident'>BN_rand_range</span>(<span class='ident'>r</span>.<span class='ident'>raw</span>(), <span class='self'>self</span>.<span class='ident'>raw</span>()) <span class='op'>==</span> <span class='number'>1</span> }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>checked_pseudo_rand_in_range</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_bn_in_ctx</span><span class='macro'>!</span>(<span class='ident'>r</span>, <span class='ident'>ctx</span>, { <span class='ident'>ffi</span>::<span class='ident'>BN_pseudo_rand_range</span>(<span class='ident'>r</span>.<span class='ident'>raw</span>(), <span class='self'>self</span>.<span class='ident'>raw</span>()) <span class='op'>==</span> <span class='number'>1</span> }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>set_bit</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>n</span>: <span class='ident'>i32</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span>(), <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='kw'>if</span> <span class='ident'>ffi</span>::<span class='ident'>BN_set_bit</span>(<span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>n</span> <span class='kw'>as</span> <span class='ident'>c_int</span>) <span class='op'>==</span> <span class='number'>1</span> { + <span class='prelude-val'>Ok</span>(()) + } <span class='kw'>else</span> { + <span class='prelude-val'>Err</span>(<span class='ident'>SslError</span>::<span class='ident'>get</span>()) + } + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>clear_bit</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>n</span>: <span class='ident'>i32</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span>(), <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='kw'>if</span> <span class='ident'>ffi</span>::<span class='ident'>BN_clear_bit</span>(<span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>n</span> <span class='kw'>as</span> <span class='ident'>c_int</span>) <span class='op'>==</span> <span class='number'>1</span> { + <span class='prelude-val'>Ok</span>(()) + } <span class='kw'>else</span> { + <span class='prelude-val'>Err</span>(<span class='ident'>SslError</span>::<span class='ident'>get</span>()) + } + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>is_bit_set</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>n</span>: <span class='ident'>i32</span>) <span class='op'>-></span> <span class='ident'>bool</span> { + <span class='kw'>unsafe</span> { + <span class='ident'>ffi</span>::<span class='ident'>BN_is_bit_set</span>(<span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>n</span> <span class='kw'>as</span> <span class='ident'>c_int</span>) <span class='op'>==</span> <span class='number'>1</span> + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>mask_bits</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>, <span class='ident'>n</span>: <span class='ident'>i32</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span>(), <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='kw'>if</span> <span class='ident'>ffi</span>::<span class='ident'>BN_mask_bits</span>(<span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>n</span> <span class='kw'>as</span> <span class='ident'>c_int</span>) <span class='op'>==</span> <span class='number'>1</span> { + <span class='prelude-val'>Ok</span>(()) + } <span class='kw'>else</span> { + <span class='prelude-val'>Err</span>(<span class='ident'>SslError</span>::<span class='ident'>get</span>()) + } + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>checked_shl1</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_bn</span><span class='macro'>!</span>(<span class='ident'>r</span>, { <span class='ident'>ffi</span>::<span class='ident'>BN_lshift1</span>(<span class='ident'>r</span>.<span class='ident'>raw</span>(), <span class='self'>self</span>.<span class='ident'>raw</span>()) <span class='op'>==</span> <span class='number'>1</span> }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>checked_shr1</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_bn</span><span class='macro'>!</span>(<span class='ident'>r</span>, { <span class='ident'>ffi</span>::<span class='ident'>BN_rshift1</span>(<span class='ident'>r</span>.<span class='ident'>raw</span>(), <span class='self'>self</span>.<span class='ident'>raw</span>()) <span class='op'>==</span> <span class='number'>1</span> }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>checked_add</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>a</span>: <span class='kw-2'>&</span><span class='ident'>BigNum</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_bn</span><span class='macro'>!</span>(<span class='ident'>r</span>, { <span class='ident'>ffi</span>::<span class='ident'>BN_add</span>(<span class='ident'>r</span>.<span class='ident'>raw</span>(), <span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>a</span>.<span class='ident'>raw</span>()) <span class='op'>==</span> <span class='number'>1</span> }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>checked_sub</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>a</span>: <span class='kw-2'>&</span><span class='ident'>BigNum</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_bn</span><span class='macro'>!</span>(<span class='ident'>r</span>, { <span class='ident'>ffi</span>::<span class='ident'>BN_sub</span>(<span class='ident'>r</span>.<span class='ident'>raw</span>(), <span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>a</span>.<span class='ident'>raw</span>()) <span class='op'>==</span> <span class='number'>1</span> }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>checked_mul</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>a</span>: <span class='kw-2'>&</span><span class='ident'>BigNum</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_bn_in_ctx</span><span class='macro'>!</span>(<span class='ident'>r</span>, <span class='ident'>ctx</span>, { <span class='ident'>ffi</span>::<span class='ident'>BN_mul</span>(<span class='ident'>r</span>.<span class='ident'>raw</span>(), <span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>a</span>.<span class='ident'>raw</span>(), <span class='ident'>ctx</span>) <span class='op'>==</span> <span class='number'>1</span> }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>checked_div</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>a</span>: <span class='kw-2'>&</span><span class='ident'>BigNum</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_bn_in_ctx</span><span class='macro'>!</span>(<span class='ident'>r</span>, <span class='ident'>ctx</span>, { <span class='ident'>ffi</span>::<span class='ident'>BN_div</span>(<span class='ident'>r</span>.<span class='ident'>raw</span>(), <span class='ident'>ptr</span>::<span class='ident'>null_mut</span>(), <span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>a</span>.<span class='ident'>raw</span>(), <span class='ident'>ctx</span>) <span class='op'>==</span> <span class='number'>1</span> }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>checked_mod</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>a</span>: <span class='kw-2'>&</span><span class='ident'>BigNum</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_bn_in_ctx</span><span class='macro'>!</span>(<span class='ident'>r</span>, <span class='ident'>ctx</span>, { <span class='ident'>ffi</span>::<span class='ident'>BN_div</span>(<span class='ident'>ptr</span>::<span class='ident'>null_mut</span>(), <span class='ident'>r</span>.<span class='ident'>raw</span>(), <span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>a</span>.<span class='ident'>raw</span>(), <span class='ident'>ctx</span>) <span class='op'>==</span> <span class='number'>1</span> }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>checked_shl</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>a</span>: <span class='kw-2'>&</span><span class='ident'>i32</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_bn</span><span class='macro'>!</span>(<span class='ident'>r</span>, { <span class='ident'>ffi</span>::<span class='ident'>BN_lshift</span>(<span class='ident'>r</span>.<span class='ident'>raw</span>(), <span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='op'>*</span><span class='ident'>a</span> <span class='kw'>as</span> <span class='ident'>c_int</span>) <span class='op'>==</span> <span class='number'>1</span> }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>checked_shr</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>a</span>: <span class='kw-2'>&</span><span class='ident'>i32</span>) <span class='op'>-></span> <span class='prelude-ty'>Result</span><span class='op'><</span><span class='ident'>BigNum</span>, <span class='ident'>SslError</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='macro'>with_bn</span><span class='macro'>!</span>(<span class='ident'>r</span>, { <span class='ident'>ffi</span>::<span class='ident'>BN_rshift</span>(<span class='ident'>r</span>.<span class='ident'>raw</span>(), <span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='op'>*</span><span class='ident'>a</span> <span class='kw'>as</span> <span class='ident'>c_int</span>) <span class='op'>==</span> <span class='number'>1</span> }) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>negate</span>(<span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='self'>self</span>) { + <span class='kw'>unsafe</span> { + <span class='ident'>ffi</span>::<span class='ident'>BN_set_negative</span>(<span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='op'>!</span><span class='self'>self</span>.<span class='ident'>is_negative</span>() <span class='kw'>as</span> <span class='ident'>c_int</span>) + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>abs_cmp</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>oth</span>: <span class='ident'>BigNum</span>) <span class='op'>-></span> <span class='ident'>Ordering</span> { + <span class='kw'>unsafe</span> { + <span class='kw'>let</span> <span class='ident'>res</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>BN_ucmp</span>(<span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>oth</span>.<span class='ident'>raw</span>()) <span class='kw'>as</span> <span class='ident'>i32</span>; + <span class='kw'>if</span> <span class='ident'>res</span> <span class='op'><</span> <span class='number'>0</span> { + <span class='ident'>Ordering</span>::<span class='ident'>Less</span> + } <span class='kw'>else</span> <span class='kw'>if</span> <span class='ident'>res</span> <span class='op'>></span> <span class='number'>0</span> { + <span class='ident'>Ordering</span>::<span class='ident'>Greater</span> + } <span class='kw'>else</span> { + <span class='ident'>Ordering</span>::<span class='ident'>Equal</span> + } + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>is_negative</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>bool</span> { + <span class='kw'>unsafe</span> { + (<span class='op'>*</span><span class='self'>self</span>.<span class='ident'>raw</span>()).<span class='ident'>neg</span> <span class='op'>==</span> <span class='number'>1</span> + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>num_bits</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>i32</span> { + <span class='kw'>unsafe</span> { + <span class='ident'>ffi</span>::<span class='ident'>BN_num_bits</span>(<span class='self'>self</span>.<span class='ident'>raw</span>()) <span class='kw'>as</span> <span class='ident'>i32</span> + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>num_bytes</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>i32</span> { + (<span class='self'>self</span>.<span class='ident'>num_bits</span>() <span class='op'>+</span> <span class='number'>7</span>) <span class='op'>/</span> <span class='number'>8</span> + } + + <span class='kw'>unsafe</span> <span class='kw'>fn</span> <span class='ident'>raw</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ffi</span>::<span class='ident'>BIGNUM</span> { + <span class='kw'>let</span> <span class='ident'>BigNum</span>(<span class='ident'>n</span>) <span class='op'>=</span> <span class='op'>*</span><span class='self'>self</span>; + <span class='ident'>n</span> + } + + <span class='kw'>unsafe</span> <span class='kw'>fn</span> <span class='ident'>raw_ptr</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='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>ffi</span>::<span class='ident'>BIGNUM</span> { + <span class='kw'>let</span> <span class='ident'>BigNum</span>(<span class='kw-2'>ref</span> <span class='ident'>n</span>) <span class='op'>=</span> <span class='op'>*</span><span class='self'>self</span>; + <span class='ident'>n</span> + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>to_vec</span>(<span class='kw-2'>&</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'>let</span> <span class='ident'>size</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>num_bytes</span>() <span class='kw'>as</span> <span class='ident'>usize</span>; + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>v</span> <span class='op'>=</span> <span class='ident'>Vec</span>::<span class='ident'>with_capacity</span>(<span class='ident'>size</span>); + <span class='kw'>unsafe</span> { + <span class='ident'>ffi</span>::<span class='ident'>BN_bn2bin</span>(<span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>v</span>.<span class='ident'>as_mut_ptr</span>()); + <span class='ident'>v</span>.<span class='ident'>set_len</span>(<span class='ident'>size</span>); + } + <span class='ident'>v</span> + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>to_dec_str</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>String</span> { + <span class='kw'>unsafe</span> { + <span class='kw'>let</span> <span class='ident'>buf</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>BN_bn2dec</span>(<span class='self'>self</span>.<span class='ident'>raw</span>()); + <span class='macro'>assert</span><span class='macro'>!</span>(<span class='op'>!</span><span class='ident'>buf</span>.<span class='ident'>is_null</span>()); + <span class='kw'>let</span> <span class='ident'>str</span> <span class='op'>=</span> <span class='ident'>String</span>::<span class='ident'>from_utf8</span>(<span class='ident'>CStr</span>::<span class='ident'>from_ptr</span>(<span class='ident'>buf</span>).<span class='ident'>to_bytes</span>().<span class='ident'>to_vec</span>()).<span class='ident'>unwrap</span>(); + <span class='ident'>ffi</span>::<span class='ident'>CRYPTO_free</span>(<span class='ident'>buf</span> <span class='kw'>as</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>); + <span class='ident'>str</span> + } + } + + <span class='kw'>pub</span> <span class='kw'>fn</span> <span class='ident'>to_hex_str</span>(<span class='kw-2'>&</span><span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>String</span> { + <span class='kw'>unsafe</span> { + <span class='kw'>let</span> <span class='ident'>buf</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>BN_bn2hex</span>(<span class='self'>self</span>.<span class='ident'>raw</span>()); + <span class='macro'>assert</span><span class='macro'>!</span>(<span class='op'>!</span><span class='ident'>buf</span>.<span class='ident'>is_null</span>()); + <span class='kw'>let</span> <span class='ident'>str</span> <span class='op'>=</span> <span class='ident'>String</span>::<span class='ident'>from_utf8</span>(<span class='ident'>CStr</span>::<span class='ident'>from_ptr</span>(<span class='ident'>buf</span>).<span class='ident'>to_bytes</span>().<span class='ident'>to_vec</span>()).<span class='ident'>unwrap</span>(); + <span class='ident'>ffi</span>::<span class='ident'>CRYPTO_free</span>(<span class='ident'>buf</span> <span class='kw'>as</span> <span class='op'>*</span><span class='kw-2'>mut</span> <span class='ident'>c_void</span>); + <span class='ident'>str</span> + } + } +} + +<span class='kw'>impl</span> <span class='ident'>fmt</span>::<span class='ident'>Debug</span> <span class='kw'>for</span> <span class='ident'>BigNum</span> { + <span class='kw'>fn</span> <span class='ident'>fmt</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>f</span>: <span class='kw-2'>&</span><span class='kw-2'>mut</span> <span class='ident'>fmt</span>::<span class='ident'>Formatter</span>) <span class='op'>-></span> <span class='ident'>fmt</span>::<span class='prelude-ty'>Result</span> { + <span class='macro'>write</span><span class='macro'>!</span>(<span class='ident'>f</span>, <span class='string'>"{}"</span>, <span class='self'>self</span>.<span class='ident'>to_dec_str</span>()) + } +} + +<span class='kw'>impl</span> <span class='ident'>Eq</span> <span class='kw'>for</span> <span class='ident'>BigNum</span> { } +<span class='kw'>impl</span> <span class='ident'>PartialEq</span> <span class='kw'>for</span> <span class='ident'>BigNum</span> { + <span class='kw'>fn</span> <span class='ident'>eq</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>oth</span>: <span class='kw-2'>&</span><span class='ident'>BigNum</span>) <span class='op'>-></span> <span class='ident'>bool</span> { + <span class='kw'>unsafe</span> { + <span class='ident'>ffi</span>::<span class='ident'>BN_cmp</span>(<span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>oth</span>.<span class='ident'>raw</span>()) <span class='op'>==</span> <span class='number'>0</span> + } + } +} + +<span class='kw'>impl</span> <span class='ident'>Ord</span> <span class='kw'>for</span> <span class='ident'>BigNum</span> { + <span class='kw'>fn</span> <span class='ident'>cmp</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>oth</span>: <span class='kw-2'>&</span><span class='ident'>BigNum</span>) <span class='op'>-></span> <span class='ident'>Ordering</span> { + <span class='self'>self</span>.<span class='ident'>partial_cmp</span>(<span class='ident'>oth</span>).<span class='ident'>unwrap</span>() + } +} + +<span class='kw'>impl</span> <span class='ident'>PartialOrd</span> <span class='kw'>for</span> <span class='ident'>BigNum</span> { + <span class='kw'>fn</span> <span class='ident'>partial_cmp</span>(<span class='kw-2'>&</span><span class='self'>self</span>, <span class='ident'>oth</span>: <span class='kw-2'>&</span><span class='ident'>BigNum</span>) <span class='op'>-></span> <span class='prelude-ty'>Option</span><span class='op'><</span><span class='ident'>Ordering</span><span class='op'>></span> { + <span class='kw'>unsafe</span> { + <span class='kw'>let</span> <span class='ident'>v</span> <span class='op'>=</span> <span class='ident'>ffi</span>::<span class='ident'>BN_cmp</span>(<span class='self'>self</span>.<span class='ident'>raw</span>(), <span class='ident'>oth</span>.<span class='ident'>raw</span>()); + <span class='kw'>let</span> <span class='ident'>ret</span> <span class='op'>=</span> + <span class='kw'>if</span> <span class='ident'>v</span> <span class='op'>==</span> <span class='number'>0</span> { + <span class='ident'>Ordering</span>::<span class='ident'>Equal</span> + } <span class='kw'>else</span> <span class='kw'>if</span> <span class='ident'>v</span> <span class='op'><</span> <span class='number'>0</span> { + <span class='ident'>Ordering</span>::<span class='ident'>Less</span> + } <span class='kw'>else</span> { + <span class='ident'>Ordering</span>::<span class='ident'>Greater</span> + }; + <span class='prelude-val'>Some</span>(<span class='ident'>ret</span>) + } + } +} + +<span class='kw'>impl</span> <span class='ident'>Drop</span> <span class='kw'>for</span> <span class='ident'>BigNum</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='op'>!</span><span class='self'>self</span>.<span class='ident'>raw</span>().<span class='ident'>is_null</span>() { + <span class='ident'>ffi</span>::<span class='ident'>BN_clear_free</span>(<span class='self'>self</span>.<span class='ident'>raw</span>()); + } + } + } +} + +<span class='kw'>pub</span> <span class='kw'>mod</span> <span class='ident'>unchecked</span> { + <span class='kw'>use</span> <span class='ident'>std</span>::<span class='ident'>ops</span>::{<span class='ident'>Add</span>, <span class='ident'>Div</span>, <span class='ident'>Mul</span>, <span class='ident'>Neg</span>, <span class='ident'>Rem</span>, <span class='ident'>Shl</span>, <span class='ident'>Shr</span>, <span class='ident'>Sub</span>}; + <span class='kw'>use</span> <span class='ident'>ffi</span>; + <span class='kw'>use</span> <span class='ident'>super</span>::{<span class='ident'>BigNum</span>}; + + <span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> <span class='ident'>Add</span><span class='op'><</span><span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>BigNum</span><span class='op'>></span> <span class='kw'>for</span> <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>BigNum</span> { + <span class='kw'>type</span> <span class='ident'>Output</span> <span class='op'>=</span> <span class='ident'>BigNum</span>; + + <span class='kw'>fn</span> <span class='ident'>add</span>(<span class='self'>self</span>, <span class='ident'>oth</span>: <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>BigNum</span>) <span class='op'>-></span> <span class='ident'>BigNum</span> { + <span class='self'>self</span>.<span class='ident'>checked_add</span>(<span class='ident'>oth</span>).<span class='ident'>unwrap</span>() + } + } + + <span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> <span class='ident'>Sub</span><span class='op'><</span><span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>BigNum</span><span class='op'>></span> <span class='kw'>for</span> <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>BigNum</span> { + <span class='kw'>type</span> <span class='ident'>Output</span> <span class='op'>=</span> <span class='ident'>BigNum</span>; + + <span class='kw'>fn</span> <span class='ident'>sub</span>(<span class='self'>self</span>, <span class='ident'>oth</span>: <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>BigNum</span>) <span class='op'>-></span> <span class='ident'>BigNum</span> { + <span class='self'>self</span>.<span class='ident'>checked_sub</span>(<span class='ident'>oth</span>).<span class='ident'>unwrap</span>() + } + } + + <span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> <span class='ident'>Mul</span><span class='op'><</span><span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>BigNum</span><span class='op'>></span> <span class='kw'>for</span> <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>BigNum</span> { + <span class='kw'>type</span> <span class='ident'>Output</span> <span class='op'>=</span> <span class='ident'>BigNum</span>; + + <span class='kw'>fn</span> <span class='ident'>mul</span>(<span class='self'>self</span>, <span class='ident'>oth</span>: <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>BigNum</span>) <span class='op'>-></span> <span class='ident'>BigNum</span> { + <span class='self'>self</span>.<span class='ident'>checked_mul</span>(<span class='ident'>oth</span>).<span class='ident'>unwrap</span>() + } + } + + <span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> <span class='ident'>Div</span><span class='op'><</span><span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>BigNum</span><span class='op'>></span> <span class='kw'>for</span> <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>BigNum</span> { + <span class='kw'>type</span> <span class='ident'>Output</span> <span class='op'>=</span> <span class='ident'>BigNum</span>; + + <span class='kw'>fn</span> <span class='ident'>div</span>(<span class='self'>self</span>, <span class='ident'>oth</span>: <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>BigNum</span>) <span class='op'>-></span> <span class='ident'>BigNum</span> { + <span class='self'>self</span>.<span class='ident'>checked_div</span>(<span class='ident'>oth</span>).<span class='ident'>unwrap</span>() + } + } + + <span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> <span class='ident'>Rem</span><span class='op'><</span><span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>BigNum</span><span class='op'>></span> <span class='kw'>for</span> <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>BigNum</span> { + <span class='kw'>type</span> <span class='ident'>Output</span> <span class='op'>=</span> <span class='ident'>BigNum</span>; + + <span class='kw'>fn</span> <span class='ident'>rem</span>(<span class='self'>self</span>, <span class='ident'>oth</span>: <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>BigNum</span>) <span class='op'>-></span> <span class='ident'>BigNum</span> { + <span class='self'>self</span>.<span class='ident'>checked_mod</span>(<span class='ident'>oth</span>).<span class='ident'>unwrap</span>() + } + } + + <span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> <span class='ident'>Shl</span><span class='op'><</span><span class='ident'>i32</span><span class='op'>></span> <span class='kw'>for</span> <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>BigNum</span> { + <span class='kw'>type</span> <span class='ident'>Output</span> <span class='op'>=</span> <span class='ident'>BigNum</span>; + + <span class='kw'>fn</span> <span class='ident'>shl</span>(<span class='self'>self</span>, <span class='ident'>n</span>: <span class='ident'>i32</span>) <span class='op'>-></span> <span class='ident'>BigNum</span> { + <span class='self'>self</span>.<span class='ident'>checked_shl</span>(<span class='kw-2'>&</span><span class='ident'>n</span>).<span class='ident'>unwrap</span>() + } + } + + <span class='kw'>impl</span><span class='op'><</span><span class='lifetime'>'a</span><span class='op'>></span> <span class='ident'>Shr</span><span class='op'><</span><span class='ident'>i32</span><span class='op'>></span> <span class='kw'>for</span> <span class='kw-2'>&</span><span class='lifetime'>'a</span> <span class='ident'>BigNum</span> { + <span class='kw'>type</span> <span class='ident'>Output</span> <span class='op'>=</span> <span class='ident'>BigNum</span>; + + <span class='kw'>fn</span> <span class='ident'>shr</span>(<span class='self'>self</span>, <span class='ident'>n</span>: <span class='ident'>i32</span>) <span class='op'>-></span> <span class='ident'>BigNum</span> { + <span class='self'>self</span>.<span class='ident'>checked_shr</span>(<span class='kw-2'>&</span><span class='ident'>n</span>).<span class='ident'>unwrap</span>() + } + } + + <span class='kw'>impl</span> <span class='ident'>Clone</span> <span class='kw'>for</span> <span class='ident'>BigNum</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'>BigNum</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'>BN_dup</span>(<span class='self'>self</span>.<span class='ident'>raw</span>()); + <span class='kw'>if</span> <span class='ident'>r</span>.<span class='ident'>is_null</span>() { + <span class='macro'>panic</span><span class='macro'>!</span>(<span class='string'>"Unexpected null pointer from BN_dup(..)"</span>) + } <span class='kw'>else</span> { + <span class='ident'>BigNum</span>(<span class='ident'>r</span>) + } + } + } + } + + <span class='kw'>impl</span> <span class='ident'>Neg</span> <span class='kw'>for</span> <span class='ident'>BigNum</span> { + <span class='kw'>type</span> <span class='ident'>Output</span> <span class='op'>=</span> <span class='ident'>BigNum</span>; + + <span class='kw'>fn</span> <span class='ident'>neg</span>(<span class='self'>self</span>) <span class='op'>-></span> <span class='ident'>BigNum</span> { + <span class='kw'>let</span> <span class='kw-2'>mut</span> <span class='ident'>n</span> <span class='op'>=</span> <span class='self'>self</span>.<span class='ident'>clone</span>(); + <span class='ident'>n</span>.<span class='ident'>negate</span>(); + <span class='ident'>n</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'>bn</span>::<span class='ident'>BigNum</span>; + + <span class='attribute'>#[<span class='ident'>test</span>]</span> + <span class='kw'>fn</span> <span class='ident'>test_to_from_slice</span>() { + <span class='kw'>let</span> <span class='ident'>v0</span> <span class='op'>=</span> <span class='ident'>BigNum</span>::<span class='ident'>new_from</span>(<span class='number'>10203004_u64</span>).<span class='ident'>unwrap</span>(); + <span class='kw'>let</span> <span class='ident'>vec</span> <span class='op'>=</span> <span class='ident'>v0</span>.<span class='ident'>to_vec</span>(); + <span class='kw'>let</span> <span class='ident'>v1</span> <span class='op'>=</span> <span class='ident'>BigNum</span>::<span class='ident'>new_from_slice</span>(<span class='kw-2'>&</span><span class='ident'>vec</span>).<span class='ident'>unwrap</span>(); + + <span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>v0</span> <span class='op'>==</span> <span class='ident'>v1</span>); + } + + <span class='attribute'>#[<span class='ident'>test</span>]</span> + <span class='kw'>fn</span> <span class='ident'>test_negation</span>() { + <span class='kw'>let</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>BigNum</span>::<span class='ident'>new_from</span>(<span class='number'>909829283_u64</span>).<span class='ident'>unwrap</span>(); + + <span class='macro'>assert</span><span class='macro'>!</span>(<span class='op'>!</span><span class='ident'>a</span>.<span class='ident'>is_negative</span>()); + <span class='macro'>assert</span><span class='macro'>!</span>((<span class='op'>-</span><span class='ident'>a</span>).<span class='ident'>is_negative</span>()); + } + + + <span class='attribute'>#[<span class='ident'>test</span>]</span> + <span class='kw'>fn</span> <span class='ident'>test_prime_numbers</span>() { + <span class='kw'>let</span> <span class='ident'>a</span> <span class='op'>=</span> <span class='ident'>BigNum</span>::<span class='ident'>new_from</span>(<span class='number'>19029017_u64</span>).<span class='ident'>unwrap</span>(); + <span class='kw'>let</span> <span class='ident'>p</span> <span class='op'>=</span> <span class='ident'>BigNum</span>::<span class='ident'>checked_generate_prime</span>(<span class='number'>128</span>, <span class='boolval'>true</span>, <span class='prelude-val'>None</span>, <span class='prelude-val'>Some</span>(<span class='kw-2'>&</span><span class='ident'>a</span>)).<span class='ident'>unwrap</span>(); + + <span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>p</span>.<span class='ident'>is_prime</span>(<span class='number'>100</span>).<span class='ident'>unwrap</span>()); + <span class='macro'>assert</span><span class='macro'>!</span>(<span class='ident'>p</span>.<span class='ident'>is_prime_fast</span>(<span class='number'>100</span>, <span class='boolval'>true</span>).<span class='ident'>unwrap</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 search results</dd> + <dt>⇥</dt> + <dd>Move down in search results</dd> + <dt>⏎</dt> + <dd>Go to active search result</dd> + </dl> + </div> + <div class="infos"> + <h1>Search tricks</h1> + <p> + Prefix searches with a type followed by a colon (e.g. + <code>fn:</code>) to restrict the search to a given type. + </p> + <p> + Accepted types are: <code>fn</code>, <code>mod</code>, + <code>struct</code>, <code>enum</code>, + <code>trait</code>, <code>typedef</code> (or + <code>tdef</code>). + </p> + <p> + Search functions by type signature (e.g. + <code>vec -> usize</code>) + </p> + </div> + </div> + + + + <script> + window.rootPath = "../../../"; + window.currentCrate = "openssl"; + window.playgroundUrl = ""; + </script> + <script src="../../../jquery.js"></script> + <script src="../../../main.js"></script> + + <script async src="../../../search-index.js"></script> +</body> +</html>
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