<!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="API documentation for the Rust `EVP_CIPHER` struct in crate `openssl_sys`."> <meta name="keywords" content="rust, rustlang, rust-lang, EVP_CIPHER"> <title>openssl_sys::EVP_CIPHER - Rust</title> <link rel="stylesheet" type="text/css" href="../rustdoc.css"> <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]--> <nav class="sidebar"> <p class='location'><a href='index.html'>openssl_sys</a></p><script>window.sidebarCurrent = {name: 'EVP_CIPHER', ty: 'struct', relpath: ''};</script><script defer src="sidebar-items.js"></script> </nav> <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 struct"> <h1 class='fqn'><span class='in-band'>Struct <a href='index.html'>openssl_sys</a>::<wbr><a class='struct' href=''>EVP_CIPHER</a></span><span class='out-of-band'><span id='render-detail'> <a id="toggle-all-docs" href="javascript:void(0)" title="collapse all docs"> [<span class='inner'>−</span>] </a> </span><a id='src-190' class='srclink' href='../src/openssl_sys/lib.rs.html#207-232' title='goto source code'>[src]</a></span></h1> <pre class='rust struct'>pub struct EVP_CIPHER { pub nid: <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a>, pub block_size: <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a>, pub key_len: <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a>, pub iv_len: <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a>, pub flags: <a class='type' href='../libc/unix/notbsd/linux/other/b64/type.c_ulong.html' title='libc::unix::notbsd::linux::other::b64::c_ulong'>c_ulong</a>, pub init: <a class='enum' href='https://doc.rust-lang.org/nightly/core/option/enum.Option.html' title='core::option::Option'>Option</a><unsafe extern fn(<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*mut </a><a class='type' href='../openssl_sys/type.EVP_CIPHER_CTX.html' title='openssl_sys::EVP_CIPHER_CTX'>EVP_CIPHER_CTX</a>, <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*mut </a><a class='type' href='../libc/type.c_uchar.html' title='libc::c_uchar'>c_uchar</a>, <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*const </a><a class='type' href='../libc/type.c_uchar.html' title='libc::c_uchar'>c_uchar</a>, <a class='type' href='../libc/type.size_t.html' title='libc::size_t'>size_t</a>) -> <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a>>, pub do_cipher: <a class='enum' href='https://doc.rust-lang.org/nightly/core/option/enum.Option.html' title='core::option::Option'>Option</a><unsafe extern fn(<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*mut </a><a class='type' href='../openssl_sys/type.EVP_CIPHER_CTX.html' title='openssl_sys::EVP_CIPHER_CTX'>EVP_CIPHER_CTX</a>, <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*mut </a><a class='type' href='../libc/type.c_uchar.html' title='libc::c_uchar'>c_uchar</a>, <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*const </a><a class='type' href='../libc/type.c_uchar.html' title='libc::c_uchar'>c_uchar</a>, <a class='type' href='../libc/type.size_t.html' title='libc::size_t'>size_t</a>) -> <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a>>, pub cleanup: <a class='enum' href='https://doc.rust-lang.org/nightly/core/option/enum.Option.html' title='core::option::Option'>Option</a><unsafe extern fn(<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*mut </a><a class='type' href='../openssl_sys/type.EVP_CIPHER_CTX.html' title='openssl_sys::EVP_CIPHER_CTX'>EVP_CIPHER_CTX</a>) -> <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a>>, pub ctx_size: <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a>, pub set_asn1_parameters: <a class='enum' href='https://doc.rust-lang.org/nightly/core/option/enum.Option.html' title='core::option::Option'>Option</a><unsafe extern fn(<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*mut </a><a class='type' href='../openssl_sys/type.EVP_CIPHER_CTX.html' title='openssl_sys::EVP_CIPHER_CTX'>EVP_CIPHER_CTX</a>, <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*mut </a><a class='type' href='../openssl_sys/type.ASN1_TYPE.html' title='openssl_sys::ASN1_TYPE'>ASN1_TYPE</a>) -> <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a>>, pub get_asn1_parameters: <a class='enum' href='https://doc.rust-lang.org/nightly/core/option/enum.Option.html' title='core::option::Option'>Option</a><unsafe extern fn(<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*mut </a><a class='type' href='../openssl_sys/type.EVP_CIPHER_CTX.html' title='openssl_sys::EVP_CIPHER_CTX'>EVP_CIPHER_CTX</a>, <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*mut </a><a class='type' href='../openssl_sys/type.ASN1_TYPE.html' title='openssl_sys::ASN1_TYPE'>ASN1_TYPE</a>) -> <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a>>, pub ctrl: <a class='enum' href='https://doc.rust-lang.org/nightly/core/option/enum.Option.html' title='core::option::Option'>Option</a><unsafe extern fn(<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*mut </a><a class='type' href='../openssl_sys/type.EVP_CIPHER_CTX.html' title='openssl_sys::EVP_CIPHER_CTX'>EVP_CIPHER_CTX</a>, <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a>, <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a>, <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*mut </a><a class='enum' href='../libc/enum.c_void.html' title='libc::c_void'>c_void</a>) -> <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a>>, pub app_data: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*mut </a><a class='enum' href='../libc/enum.c_void.html' title='libc::c_void'>c_void</a>, }</pre><h2 class='fields'>Fields</h2><span id='structfield.nid' class='structfield'><code>nid: <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a></code> </span><span class='stab '></span><span id='structfield.block_size' class='structfield'><code>block_size: <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a></code> </span><span class='stab '></span><span id='structfield.key_len' class='structfield'><code>key_len: <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a></code> </span><span class='stab '></span><span id='structfield.iv_len' class='structfield'><code>iv_len: <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a></code> </span><span class='stab '></span><span id='structfield.flags' class='structfield'><code>flags: <a class='type' href='../libc/unix/notbsd/linux/other/b64/type.c_ulong.html' title='libc::unix::notbsd::linux::other::b64::c_ulong'>c_ulong</a></code> </span><span class='stab '></span><span id='structfield.init' class='structfield'><code>init: <a class='enum' href='https://doc.rust-lang.org/nightly/core/option/enum.Option.html' title='core::option::Option'>Option</a><unsafe extern fn(<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*mut </a><a class='type' href='../openssl_sys/type.EVP_CIPHER_CTX.html' title='openssl_sys::EVP_CIPHER_CTX'>EVP_CIPHER_CTX</a>, <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*mut </a><a class='type' href='../libc/type.c_uchar.html' title='libc::c_uchar'>c_uchar</a>, <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*const </a><a class='type' href='../libc/type.c_uchar.html' title='libc::c_uchar'>c_uchar</a>, <a class='type' href='../libc/type.size_t.html' title='libc::size_t'>size_t</a>) -> <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a>></code> </span><span class='stab '></span><span id='structfield.do_cipher' class='structfield'><code>do_cipher: <a class='enum' href='https://doc.rust-lang.org/nightly/core/option/enum.Option.html' title='core::option::Option'>Option</a><unsafe extern fn(<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*mut </a><a class='type' href='../openssl_sys/type.EVP_CIPHER_CTX.html' title='openssl_sys::EVP_CIPHER_CTX'>EVP_CIPHER_CTX</a>, <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*mut </a><a class='type' href='../libc/type.c_uchar.html' title='libc::c_uchar'>c_uchar</a>, <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*const </a><a class='type' href='../libc/type.c_uchar.html' title='libc::c_uchar'>c_uchar</a>, <a class='type' href='../libc/type.size_t.html' title='libc::size_t'>size_t</a>) -> <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a>></code> </span><span class='stab '></span><span id='structfield.cleanup' class='structfield'><code>cleanup: <a class='enum' href='https://doc.rust-lang.org/nightly/core/option/enum.Option.html' title='core::option::Option'>Option</a><unsafe extern fn(<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*mut </a><a class='type' href='../openssl_sys/type.EVP_CIPHER_CTX.html' title='openssl_sys::EVP_CIPHER_CTX'>EVP_CIPHER_CTX</a>) -> <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a>></code> </span><span class='stab '></span><span id='structfield.ctx_size' class='structfield'><code>ctx_size: <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a></code> </span><span class='stab '></span><span id='structfield.set_asn1_parameters' class='structfield'><code>set_asn1_parameters: <a class='enum' href='https://doc.rust-lang.org/nightly/core/option/enum.Option.html' title='core::option::Option'>Option</a><unsafe extern fn(<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*mut </a><a class='type' href='../openssl_sys/type.EVP_CIPHER_CTX.html' title='openssl_sys::EVP_CIPHER_CTX'>EVP_CIPHER_CTX</a>, <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*mut </a><a class='type' href='../openssl_sys/type.ASN1_TYPE.html' title='openssl_sys::ASN1_TYPE'>ASN1_TYPE</a>) -> <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a>></code> </span><span class='stab '></span><span id='structfield.get_asn1_parameters' class='structfield'><code>get_asn1_parameters: <a class='enum' href='https://doc.rust-lang.org/nightly/core/option/enum.Option.html' title='core::option::Option'>Option</a><unsafe extern fn(<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*mut </a><a class='type' href='../openssl_sys/type.EVP_CIPHER_CTX.html' title='openssl_sys::EVP_CIPHER_CTX'>EVP_CIPHER_CTX</a>, <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*mut </a><a class='type' href='../openssl_sys/type.ASN1_TYPE.html' title='openssl_sys::ASN1_TYPE'>ASN1_TYPE</a>) -> <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a>></code> </span><span class='stab '></span><span id='structfield.ctrl' class='structfield'><code>ctrl: <a class='enum' href='https://doc.rust-lang.org/nightly/core/option/enum.Option.html' title='core::option::Option'>Option</a><unsafe extern fn(<a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*mut </a><a class='type' href='../openssl_sys/type.EVP_CIPHER_CTX.html' title='openssl_sys::EVP_CIPHER_CTX'>EVP_CIPHER_CTX</a>, <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a>, <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a>, <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*mut </a><a class='enum' href='../libc/enum.c_void.html' title='libc::c_void'>c_void</a>) -> <a class='type' href='../libc/type.c_int.html' title='libc::c_int'>c_int</a>></code> </span><span class='stab '></span><span id='structfield.app_data' class='structfield'><code>app_data: <a class='primitive' href='https://doc.rust-lang.org/nightly/std/primitive.pointer.html'>*mut </a><a class='enum' href='../libc/enum.c_void.html' title='libc::c_void'>c_void</a></code> </span><span class='stab '></span><h2 id='implementations'>Trait Implementations</h2><h3 class='impl'><span class='in-band'><code>impl <a class='trait' href='https://doc.rust-lang.org/nightly/core/marker/trait.Copy.html' title='core::marker::Copy'>Copy</a> for <a class='struct' href='../openssl_sys/struct.EVP_CIPHER.html' title='openssl_sys::EVP_CIPHER'>EVP_CIPHER</a></code></span><span class='out-of-band'><div class='ghost'></div><a id='src-221' class='srclink' href='../src/openssl_sys/lib.rs.html#234' title='goto source code'>[src]</a></span></h3> <div class='impl-items'></div><h3 class='impl'><span class='in-band'><code>impl <a class='trait' href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html' title='core::clone::Clone'>Clone</a> for <a class='struct' href='../openssl_sys/struct.EVP_CIPHER.html' title='openssl_sys::EVP_CIPHER'>EVP_CIPHER</a></code></span><span class='out-of-band'><div class='ghost'></div><a id='src-222' class='srclink' href='../src/openssl_sys/lib.rs.html#235-237' title='goto source code'>[src]</a></span></h3> <div class='impl-items'><h4 id='method.clone' class='method'><code>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone' class='fnname'>clone</a>(&self) -> <a class='struct' href='../openssl_sys/struct.EVP_CIPHER.html' title='openssl_sys::EVP_CIPHER'>EVP_CIPHER</a></code></h4> <div class='docblock'><p>Returns a copy of the value. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#tymethod.clone">Read more</a></p> </div><h4 id='method.clone_from' class='method'><code>fn <a href='https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from' class='fnname'>clone_from</a>(&mut self, source: &Self)</code><div class='since' title='Stable since Rust version 1.0.0'>1.0.0</div></h4> <div class='docblock'><p>Performs copy-assignment from <code>source</code>. <a href="https://doc.rust-lang.org/nightly/core/clone/trait.Clone.html#method.clone_from">Read more</a></p> </div></div></section> <section id='search' class="content hidden"></section> <section class="footer"></section> <aside id="help" class="hidden"> <div> <h1 class="hidden">Help</h1> <div class="shortcuts"> <h2>Keyboard Shortcuts</h2> <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> <dt>+</dt> <dd>Collapse/expand all sections</dd> </dl> </div> <div 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