| <!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/git/checkouts/incubator-teaclave-crates-c8106113f74feefc/ede1f68/ring/src/ec.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>ec.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="../../ring/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="../../ring/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="comment">// Copyright 2015-2017 Brian Smith. |
| // |
| // Permission to use, copy, modify, and/or distribute this software for any |
| // purpose with or without fee is hereby granted, provided that the above |
| // copyright notice and this permission notice appear in all copies. |
| // |
| // THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES |
| // WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| // MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY |
| // SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| // WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| // OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| // CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| |
| </span><span class="kw">use crate</span>::{error, rand}; |
| |
| <span class="kw">pub use </span><span class="self">self</span>::keys::{KeyPair, PublicKey, Seed}; |
| |
| <span class="kw">pub struct </span>Curve { |
| <span class="kw">pub </span>public_key_len: usize, |
| <span class="kw">pub </span>elem_scalar_seed_len: usize, |
| |
| <span class="kw">pub </span>id: CurveID, |
| |
| <span class="comment">// Precondition: `bytes` is the correct length. |
| </span>check_private_key_bytes: <span class="kw">fn</span>(bytes: <span class="kw-2">&</span>[u8]) -> <span class="prelude-ty">Result</span><(), error::Unspecified>, |
| |
| generate_private_key: |
| <span class="kw">fn</span>(rng: <span class="kw-2">&</span><span class="kw">dyn </span>rand::SecureRandom, <span class="kw-2">&mut </span>[u8]) -> <span class="prelude-ty">Result</span><(), error::Unspecified>, |
| |
| public_from_private: |
| <span class="kw">fn</span>(public_out: <span class="kw-2">&mut </span>[u8], private_key: <span class="kw-2">&</span>Seed) -> <span class="prelude-ty">Result</span><(), error::Unspecified>, |
| } |
| |
| <span class="macro">derive_debug_via_id!</span>(Curve); |
| |
| <span class="attribute">#[derive(Clone, Copy, Debug, PartialEq)] |
| </span><span class="kw">pub enum </span>CurveID { |
| Curve25519, |
| P256, |
| P384, |
| } |
| |
| <span class="kw">const </span>ELEM_MAX_BITS: usize = <span class="number">384</span>; |
| <span class="kw">pub const </span>ELEM_MAX_BYTES: usize = (ELEM_MAX_BITS + <span class="number">7</span>) / <span class="number">8</span>; |
| |
| <span class="kw">pub const </span>SCALAR_MAX_BYTES: usize = ELEM_MAX_BYTES; |
| <span class="kw">const </span>SEED_MAX_BYTES: usize = ELEM_MAX_BYTES; |
| |
| <span class="doccomment">/// The maximum length of a PKCS#8 documents generated by *ring* for ECC keys. |
| /// |
| /// This is NOT the maximum length of a PKCS#8 document that can be consumed by |
| /// `pkcs8::unwrap_key()`. |
| /// |
| /// `40` is the length of the P-384 template. It is actually one byte shorter |
| /// than the P-256 template, but the private key and the public key are much |
| /// longer. |
| </span><span class="kw">pub const </span>PKCS8_DOCUMENT_MAX_LEN: usize = <span class="number">40 </span>+ SCALAR_MAX_BYTES + keys::PUBLIC_KEY_MAX_LEN; |
| |
| <span class="kw">pub mod </span>curve25519; |
| <span class="kw">mod </span>keys; |
| <span class="kw">pub mod </span>suite_b; |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="ring" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |
