| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/root/.cargo/registry/src/github.com-1ecc6299db9ec823/openssl-0.10.54/src/cipher.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>cipher.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../normalize.css"><link rel="stylesheet" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../ayu.css" disabled><link rel="stylesheet" href="../../dark.css" disabled><link rel="stylesheet" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script><script defer src="../../main.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../openssl/index.html"><div class="logo-container"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../openssl/index.html"><img class="rust-logo" src="../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
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| </pre><pre class="rust"><code><span class="doccomment">//! Symmetric ciphers. |
| |
| </span><span class="attribute">#[cfg(ossl300)] |
| </span><span class="kw">use </span><span class="kw">crate</span>::cvt_p; |
| <span class="attribute">#[cfg(ossl300)] |
| </span><span class="kw">use </span><span class="kw">crate</span>::error::ErrorStack; |
| <span class="attribute">#[cfg(ossl300)] |
| </span><span class="kw">use </span><span class="kw">crate</span>::lib_ctx::LibCtxRef; |
| <span class="kw">use </span><span class="kw">crate</span>::nid::Nid; |
| <span class="kw">use </span>cfg_if::cfg_if; |
| <span class="kw">use </span>foreign_types::{ForeignTypeRef, Opaque}; |
| <span class="kw">use </span>openssl_macros::corresponds; |
| <span class="attribute">#[cfg(ossl300)] |
| </span><span class="kw">use </span>std::ffi::CString; |
| <span class="attribute">#[cfg(ossl300)] |
| </span><span class="kw">use </span>std::ptr; |
| |
| <span class="macro">cfg_if! </span>{ |
| <span class="kw">if </span><span class="attribute">#[cfg(any(boringssl, ossl110, libressl273))] </span>{ |
| <span class="kw">use </span>ffi::{EVP_CIPHER_block_size, EVP_CIPHER_iv_length, EVP_CIPHER_key_length}; |
| } <span class="kw">else </span>{ |
| <span class="kw">use </span>libc::c_int; |
| |
| <span class="attribute">#[allow(bad_style)] |
| </span><span class="kw">pub unsafe fn </span>EVP_CIPHER_iv_length(ptr: <span class="kw-2">*const </span>ffi::EVP_CIPHER) -> c_int { |
| (<span class="kw-2">*</span>ptr).iv_len |
| } |
| |
| <span class="attribute">#[allow(bad_style)] |
| </span><span class="kw">pub unsafe fn </span>EVP_CIPHER_block_size(ptr: <span class="kw-2">*const </span>ffi::EVP_CIPHER) -> c_int { |
| (<span class="kw-2">*</span>ptr).block_size |
| } |
| |
| <span class="attribute">#[allow(bad_style)] |
| </span><span class="kw">pub unsafe fn </span>EVP_CIPHER_key_length(ptr: <span class="kw-2">*const </span>ffi::EVP_CIPHER) -> c_int { |
| (<span class="kw-2">*</span>ptr).key_len |
| } |
| } |
| } |
| |
| <span class="macro">cfg_if! </span>{ |
| <span class="kw">if </span><span class="attribute">#[cfg(ossl300)] </span>{ |
| <span class="kw">use </span>foreign_types::ForeignType; |
| <span class="kw">use </span>std::ops::{Deref, DerefMut}; |
| |
| <span class="kw">type </span>Inner = <span class="kw-2">*mut </span>ffi::EVP_CIPHER; |
| |
| <span class="kw">impl </span>Drop <span class="kw">for </span>Cipher { |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>drop(<span class="kw-2">&mut </span><span class="self">self</span>) { |
| <span class="kw">unsafe </span>{ |
| ffi::EVP_CIPHER_free(<span class="self">self</span>.as_ptr()); |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>ForeignType <span class="kw">for </span>Cipher { |
| <span class="kw">type </span>CType = ffi::EVP_CIPHER; |
| <span class="kw">type </span>Ref = CipherRef; |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">unsafe fn </span>from_ptr(ptr: <span class="kw-2">*mut </span><span class="self">Self</span>::CType) -> <span class="self">Self </span>{ |
| Cipher(ptr) |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>as_ptr(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">*mut </span><span class="self">Self</span>::CType { |
| <span class="self">self</span>.<span class="number">0 |
| </span>} |
| } |
| |
| <span class="kw">impl </span>Deref <span class="kw">for </span>Cipher { |
| <span class="kw">type </span>Target = CipherRef; |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>deref(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="kw-2">&</span><span class="self">Self</span>::Target { |
| <span class="kw">unsafe </span>{ |
| CipherRef::from_ptr(<span class="self">self</span>.as_ptr()) |
| } |
| } |
| } |
| |
| <span class="kw">impl </span>DerefMut <span class="kw">for </span>Cipher { |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>deref_mut(<span class="kw-2">&mut </span><span class="self">self</span>) -> <span class="kw-2">&mut </span><span class="self">Self</span>::Target { |
| <span class="kw">unsafe </span>{ |
| CipherRef::from_ptr_mut(<span class="self">self</span>.as_ptr()) |
| } |
| } |
| } |
| } <span class="kw">else </span>{ |
| <span class="kw">enum </span>Inner {} |
| } |
| } |
| |
| <span class="doccomment">/// A symmetric cipher. |
| </span><span class="kw">pub struct </span>Cipher(Inner); |
| |
| <span class="kw">unsafe impl </span>Sync <span class="kw">for </span>Cipher {} |
| <span class="kw">unsafe impl </span>Send <span class="kw">for </span>Cipher {} |
| |
| <span class="kw">impl </span>Cipher { |
| <span class="doccomment">/// Looks up the cipher for a certain nid. |
| </span><span class="attribute">#[corresponds(EVP_get_cipherbynid)] |
| </span><span class="kw">pub fn </span>from_nid(nid: Nid) -> <span class="prelude-ty">Option</span><<span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef> { |
| <span class="kw">unsafe </span>{ |
| <span class="kw">let </span>ptr = ffi::EVP_get_cipherbyname(ffi::OBJ_nid2sn(nid.as_raw())); |
| <span class="kw">if </span>ptr.is_null() { |
| <span class="prelude-val">None |
| </span>} <span class="kw">else </span>{ |
| <span class="prelude-val">Some</span>(CipherRef::from_ptr(ptr <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>)) |
| } |
| } |
| } |
| |
| <span class="doccomment">/// Fetches a cipher object corresponding to the specified algorithm name and properties. |
| /// |
| /// Requires OpenSSL 3.0.0 or newer. |
| </span><span class="attribute">#[corresponds(EVP_CIPHER_fetch)] |
| #[cfg(ossl300)] |
| </span><span class="kw">pub fn </span>fetch( |
| ctx: <span class="prelude-ty">Option</span><<span class="kw-2">&</span>LibCtxRef>, |
| algorithm: <span class="kw-2">&</span>str, |
| properties: <span class="prelude-ty">Option</span><<span class="kw-2">&</span>str>, |
| ) -> <span class="prelude-ty">Result</span><<span class="self">Self</span>, ErrorStack> { |
| <span class="kw">let </span>algorithm = CString::new(algorithm).unwrap(); |
| <span class="kw">let </span>properties = properties.map(|s| CString::new(s).unwrap()); |
| |
| <span class="kw">unsafe </span>{ |
| <span class="kw">let </span>ptr = cvt_p(ffi::EVP_CIPHER_fetch( |
| ctx.map_or(ptr::null_mut(), ForeignTypeRef::as_ptr), |
| algorithm.as_ptr(), |
| properties.map_or(ptr::null_mut(), |s| s.as_ptr()), |
| ))<span class="question-mark">?</span>; |
| |
| <span class="prelude-val">Ok</span>(Cipher::from_ptr(ptr)) |
| } |
| } |
| |
| <span class="kw">pub fn </span>aes_128_ecb() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_128_ecb() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="kw">pub fn </span>aes_128_cbc() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_128_cbc() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(boringssl))] |
| </span><span class="kw">pub fn </span>aes_128_xts() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_128_xts() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(boringssl))] |
| </span><span class="kw">pub fn </span>aes_128_ctr() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_128_ctr() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(boringssl))] |
| </span><span class="kw">pub fn </span>aes_128_cfb1() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_128_cfb1() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(boringssl))] |
| </span><span class="kw">pub fn </span>aes_128_cfb128() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_128_cfb128() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(boringssl))] |
| </span><span class="kw">pub fn </span>aes_128_cfb8() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_128_cfb8() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(boringssl))] |
| </span><span class="kw">pub fn </span>aes_128_gcm() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_128_gcm() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(boringssl))] |
| </span><span class="kw">pub fn </span>aes_128_ccm() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_128_ccm() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(boringssl))] |
| </span><span class="kw">pub fn </span>aes_128_ofb() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_128_ofb() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="doccomment">/// Requires OpenSSL 1.1.0 or newer. |
| </span><span class="attribute">#[cfg(ossl110)] |
| </span><span class="kw">pub fn </span>aes_128_ocb() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_128_ocb() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="kw">pub fn </span>aes_192_ecb() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_192_ecb() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="kw">pub fn </span>aes_192_cbc() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_192_cbc() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="kw">pub fn </span>aes_192_ctr() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_192_ctr() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(boringssl))] |
| </span><span class="kw">pub fn </span>aes_192_cfb1() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_192_cfb1() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="kw">pub fn </span>aes_192_cfb128() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_192_cfb128() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(boringssl))] |
| </span><span class="kw">pub fn </span>aes_192_cfb8() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_192_cfb8() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="kw">pub fn </span>aes_192_gcm() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_192_gcm() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(boringssl))] |
| </span><span class="kw">pub fn </span>aes_192_ccm() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_192_ccm() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="kw">pub fn </span>aes_192_ofb() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_192_ofb() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="doccomment">/// Requires OpenSSL 1.1.0 or newer. |
| </span><span class="attribute">#[cfg(ossl110)] |
| </span><span class="kw">pub fn </span>aes_192_ocb() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_192_ocb() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="kw">pub fn </span>aes_256_ecb() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_256_ecb() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="kw">pub fn </span>aes_256_cbc() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_256_cbc() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="kw">pub fn </span>aes_256_ctr() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_256_ctr() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(boringssl))] |
| </span><span class="kw">pub fn </span>aes_256_cfb1() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_256_cfb1() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="kw">pub fn </span>aes_256_cfb128() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_256_cfb128() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(boringssl))] |
| </span><span class="kw">pub fn </span>aes_256_cfb8() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_256_cfb8() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="kw">pub fn </span>aes_256_gcm() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_256_gcm() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(boringssl))] |
| </span><span class="kw">pub fn </span>aes_256_ccm() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_256_ccm() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="kw">pub fn </span>aes_256_ofb() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_256_ofb() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="doccomment">/// Requires OpenSSL 1.1.0 or newer. |
| </span><span class="attribute">#[cfg(ossl110)] |
| </span><span class="kw">pub fn </span>aes_256_ocb() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_aes_256_ocb() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(osslconf = <span class="string">"OPENSSL_NO_BF"</span>))] |
| </span><span class="kw">pub fn </span>bf_cbc() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_bf_cbc() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(osslconf = <span class="string">"OPENSSL_NO_BF"</span>))] |
| </span><span class="kw">pub fn </span>bf_ecb() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_bf_ecb() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(osslconf = <span class="string">"OPENSSL_NO_BF"</span>))] |
| #[cfg(not(boringssl))] |
| </span><span class="kw">pub fn </span>bf_cfb64() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_bf_cfb64() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(osslconf = <span class="string">"OPENSSL_NO_BF"</span>))] |
| #[cfg(not(boringssl))] |
| </span><span class="kw">pub fn </span>bf_ofb() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_bf_ofb() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="kw">pub fn </span>des_cbc() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_des_cbc() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="kw">pub fn </span>des_ecb() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_des_ecb() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="kw">pub fn </span>des_ede3() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_des_ede3() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="kw">pub fn </span>des_ede3_cbc() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_des_ede3_cbc() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(boringssl))] |
| </span><span class="kw">pub fn </span>des_ede3_cfb64() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_des_ede3_cfb64() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(osslconf = <span class="string">"OPENSSL_NO_RC4"</span>))] |
| </span><span class="kw">pub fn </span>rc4() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_rc4() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(any(boringssl, osslconf = <span class="string">"OPENSSL_NO_CAMELLIA"</span>)))] |
| </span><span class="kw">pub fn </span>camellia128_cfb128() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_camellia_128_cfb128() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(any(boringssl, osslconf = <span class="string">"OPENSSL_NO_CAMELLIA"</span>)))] |
| </span><span class="kw">pub fn </span>camellia128_ecb() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_camellia_128_ecb() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(any(boringssl, osslconf = <span class="string">"OPENSSL_NO_CAMELLIA"</span>)))] |
| </span><span class="kw">pub fn </span>camellia192_cfb128() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_camellia_192_cfb128() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(any(boringssl, osslconf = <span class="string">"OPENSSL_NO_CAMELLIA"</span>)))] |
| </span><span class="kw">pub fn </span>camellia192_ecb() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_camellia_192_ecb() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(any(boringssl, osslconf = <span class="string">"OPENSSL_NO_CAMELLIA"</span>)))] |
| </span><span class="kw">pub fn </span>camellia256_cfb128() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_camellia_256_cfb128() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(any(boringssl, osslconf = <span class="string">"OPENSSL_NO_CAMELLIA"</span>)))] |
| </span><span class="kw">pub fn </span>camellia256_ecb() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_camellia_256_ecb() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(any(boringssl, osslconf = <span class="string">"OPENSSL_NO_CAST"</span>)))] |
| </span><span class="kw">pub fn </span>cast5_cfb64() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_cast5_cfb64() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(any(boringssl, osslconf = <span class="string">"OPENSSL_NO_CAST"</span>)))] |
| </span><span class="kw">pub fn </span>cast5_ecb() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_cast5_ecb() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(any(boringssl, osslconf = <span class="string">"OPENSSL_NO_IDEA"</span>)))] |
| </span><span class="kw">pub fn </span>idea_cfb64() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_idea_cfb64() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(any(boringssl, osslconf = <span class="string">"OPENSSL_NO_IDEA"</span>)))] |
| </span><span class="kw">pub fn </span>idea_ecb() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_idea_ecb() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(all(ossl110, not(osslconf = <span class="string">"OPENSSL_NO_CHACHA"</span>)))] |
| </span><span class="kw">pub fn </span>chacha20() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_chacha20() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(all(ossl110, not(osslconf = <span class="string">"OPENSSL_NO_CHACHA"</span>)))] |
| </span><span class="kw">pub fn </span>chacha20_poly1305() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_chacha20_poly1305() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(osslconf = <span class="string">"OPENSSL_NO_SEED"</span>))] |
| #[cfg(not(boringssl))] |
| </span><span class="kw">pub fn </span>seed_cbc() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_seed_cbc() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(osslconf = <span class="string">"OPENSSL_NO_SEED"</span>))] |
| #[cfg(not(boringssl))] |
| </span><span class="kw">pub fn </span>seed_cfb128() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_seed_cfb128() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(osslconf = <span class="string">"OPENSSL_NO_SEED"</span>))] |
| #[cfg(not(boringssl))] |
| </span><span class="kw">pub fn </span>seed_ecb() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_seed_ecb() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(not(osslconf = <span class="string">"OPENSSL_NO_SEED"</span>))] |
| #[cfg(not(boringssl))] |
| </span><span class="kw">pub fn </span>seed_ofb() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_seed_ofb() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(all(any(ossl111, libressl291), not(osslconf = <span class="string">"OPENSSL_NO_SM4"</span>)))] |
| </span><span class="kw">pub fn </span>sm4_ecb() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_sm4_ecb() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(all(any(ossl111, libressl291), not(osslconf = <span class="string">"OPENSSL_NO_SM4"</span>)))] |
| </span><span class="kw">pub fn </span>sm4_cbc() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_sm4_cbc() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(all(any(ossl111, libressl291), not(osslconf = <span class="string">"OPENSSL_NO_SM4"</span>)))] |
| </span><span class="kw">pub fn </span>sm4_ctr() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_sm4_ctr() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(all(any(ossl111, libressl291), not(osslconf = <span class="string">"OPENSSL_NO_SM4"</span>)))] |
| </span><span class="kw">pub fn </span>sm4_cfb128() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_sm4_cfb128() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| |
| <span class="attribute">#[cfg(all(any(ossl111, libressl291), not(osslconf = <span class="string">"OPENSSL_NO_SM4"</span>)))] |
| </span><span class="kw">pub fn </span>sm4_ofb() -> <span class="kw-2">&</span><span class="lifetime">'static </span>CipherRef { |
| <span class="kw">unsafe </span>{ CipherRef::from_ptr(ffi::EVP_sm4_ofb() <span class="kw">as </span><span class="kw-2">*mut </span><span class="kw">_</span>) } |
| } |
| } |
| |
| <span class="doccomment">/// A reference to a [`Cipher`]. |
| </span><span class="kw">pub struct </span>CipherRef(Opaque); |
| |
| <span class="kw">impl </span>ForeignTypeRef <span class="kw">for </span>CipherRef { |
| <span class="kw">type </span>CType = ffi::EVP_CIPHER; |
| } |
| |
| <span class="kw">unsafe impl </span>Sync <span class="kw">for </span>CipherRef {} |
| <span class="kw">unsafe impl </span>Send <span class="kw">for </span>CipherRef {} |
| |
| <span class="kw">impl </span>CipherRef { |
| <span class="doccomment">/// Returns the cipher's Nid. |
| </span><span class="attribute">#[corresponds(EVP_CIPHER_nid)] |
| </span><span class="kw">pub fn </span>nid(<span class="kw-2">&</span><span class="self">self</span>) -> Nid { |
| <span class="kw">let </span>nid = <span class="kw">unsafe </span>{ ffi::EVP_CIPHER_nid(<span class="self">self</span>.as_ptr()) }; |
| Nid::from_raw(nid) |
| } |
| |
| <span class="doccomment">/// Returns the length of keys used with this cipher. |
| </span><span class="attribute">#[corresponds(EVP_CIPHER_key_length)] |
| </span><span class="kw">pub fn </span>key_length(<span class="kw-2">&</span><span class="self">self</span>) -> usize { |
| <span class="kw">unsafe </span>{ EVP_CIPHER_key_length(<span class="self">self</span>.as_ptr()) <span class="kw">as </span>usize } |
| } |
| |
| <span class="doccomment">/// Returns the length of the IV used with this cipher. |
| /// |
| /// # Note |
| /// |
| /// Ciphers that do not use an IV have an IV length of 0. |
| </span><span class="attribute">#[corresponds(EVP_CIPHER_iv_length)] |
| </span><span class="kw">pub fn </span>iv_length(<span class="kw-2">&</span><span class="self">self</span>) -> usize { |
| <span class="kw">unsafe </span>{ EVP_CIPHER_iv_length(<span class="self">self</span>.as_ptr()) <span class="kw">as </span>usize } |
| } |
| |
| <span class="doccomment">/// Returns the block size of the cipher. |
| /// |
| /// # Note |
| /// |
| /// Stream ciphers have a block size of 1. |
| </span><span class="attribute">#[corresponds(EVP_CIPHER_block_size)] |
| </span><span class="kw">pub fn </span>block_size(<span class="kw-2">&</span><span class="self">self</span>) -> usize { |
| <span class="kw">unsafe </span>{ EVP_CIPHER_block_size(<span class="self">self</span>.as_ptr()) <span class="kw">as </span>usize } |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="openssl" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |