| <!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/ring-0.16.20/src/io/der.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>der.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 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="doccomment">//! Building blocks for parsing DER-encoded ASN.1 structures. |
| //! |
| //! This module contains the foundational parts of an ASN.1 DER parser. |
| |
| </span><span class="kw">use </span><span class="kw">super</span>::Positive; |
| <span class="kw">use </span><span class="kw">crate</span>::error; |
| |
| <span class="kw">pub const </span>CONSTRUCTED: u8 = <span class="number">1 </span><< <span class="number">5</span>; |
| <span class="kw">pub const </span>CONTEXT_SPECIFIC: u8 = <span class="number">2 </span><< <span class="number">6</span>; |
| |
| <span class="attribute">#[derive(Clone, Copy, PartialEq)] |
| #[repr(u8)] |
| </span><span class="kw">pub enum </span>Tag { |
| Boolean = <span class="number">0x01</span>, |
| Integer = <span class="number">0x02</span>, |
| BitString = <span class="number">0x03</span>, |
| OctetString = <span class="number">0x04</span>, |
| Null = <span class="number">0x05</span>, |
| OID = <span class="number">0x06</span>, |
| Sequence = CONSTRUCTED | <span class="number">0x10</span>, <span class="comment">// 0x30 |
| </span>UTCTime = <span class="number">0x17</span>, |
| GeneralizedTime = <span class="number">0x18</span>, |
| |
| ContextSpecificConstructed0 = CONTEXT_SPECIFIC | CONSTRUCTED | <span class="number">0</span>, |
| ContextSpecificConstructed1 = CONTEXT_SPECIFIC | CONSTRUCTED | <span class="number">1</span>, |
| ContextSpecificConstructed3 = CONTEXT_SPECIFIC | CONSTRUCTED | <span class="number">3</span>, |
| } |
| |
| <span class="kw">impl </span>From<Tag> <span class="kw">for </span>usize { |
| <span class="kw">fn </span>from(tag: Tag) -> <span class="self">Self </span>{ |
| tag <span class="kw">as </span><span class="self">Self |
| </span>} |
| } |
| |
| <span class="kw">impl </span>From<Tag> <span class="kw">for </span>u8 { |
| <span class="kw">fn </span>from(tag: Tag) -> <span class="self">Self </span>{ |
| tag <span class="kw">as </span><span class="self">Self |
| </span>} <span class="comment">// XXX: narrowing conversion. |
| </span>} |
| |
| <span class="kw">pub fn </span>expect_tag_and_get_value<<span class="lifetime">'a</span>>( |
| input: <span class="kw-2">&mut </span>untrusted::Reader<<span class="lifetime">'a</span>>, |
| tag: Tag, |
| ) -> <span class="prelude-ty">Result</span><untrusted::Input<<span class="lifetime">'a</span>>, error::Unspecified> { |
| <span class="kw">let </span>(actual_tag, inner) = read_tag_and_get_value(input)<span class="question-mark">?</span>; |
| <span class="kw">if </span>usize::from(tag) != usize::from(actual_tag) { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(error::Unspecified); |
| } |
| <span class="prelude-val">Ok</span>(inner) |
| } |
| |
| <span class="kw">pub fn </span>read_tag_and_get_value<<span class="lifetime">'a</span>>( |
| input: <span class="kw-2">&mut </span>untrusted::Reader<<span class="lifetime">'a</span>>, |
| ) -> <span class="prelude-ty">Result</span><(u8, untrusted::Input<<span class="lifetime">'a</span>>), error::Unspecified> { |
| <span class="kw">let </span>tag = input.read_byte()<span class="question-mark">?</span>; |
| <span class="kw">if </span>(tag & <span class="number">0x1F</span>) == <span class="number">0x1F </span>{ |
| <span class="kw">return </span><span class="prelude-val">Err</span>(error::Unspecified); <span class="comment">// High tag number form is not allowed. |
| </span>} |
| |
| <span class="comment">// If the high order bit of the first byte is set to zero then the length |
| // is encoded in the seven remaining bits of that byte. Otherwise, those |
| // seven bits represent the number of bytes used to encode the length. |
| </span><span class="kw">let </span>length = <span class="kw">match </span>input.read_byte()<span class="question-mark">? </span>{ |
| n <span class="kw">if </span>(n & <span class="number">0x80</span>) == <span class="number">0 </span>=> usize::from(n), |
| <span class="number">0x81 </span>=> { |
| <span class="kw">let </span>second_byte = input.read_byte()<span class="question-mark">?</span>; |
| <span class="kw">if </span>second_byte < <span class="number">128 </span>{ |
| <span class="kw">return </span><span class="prelude-val">Err</span>(error::Unspecified); <span class="comment">// Not the canonical encoding. |
| </span>} |
| usize::from(second_byte) |
| } |
| <span class="number">0x82 </span>=> { |
| <span class="kw">let </span>second_byte = usize::from(input.read_byte()<span class="question-mark">?</span>); |
| <span class="kw">let </span>third_byte = usize::from(input.read_byte()<span class="question-mark">?</span>); |
| <span class="kw">let </span>combined = (second_byte << <span class="number">8</span>) | third_byte; |
| <span class="kw">if </span>combined < <span class="number">256 </span>{ |
| <span class="kw">return </span><span class="prelude-val">Err</span>(error::Unspecified); <span class="comment">// Not the canonical encoding. |
| </span>} |
| combined |
| } |
| <span class="kw">_ </span>=> { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(error::Unspecified); <span class="comment">// We don't support longer lengths. |
| </span>} |
| }; |
| |
| <span class="kw">let </span>inner = input.read_bytes(length)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>((tag, inner)) |
| } |
| |
| <span class="kw">pub fn </span>bit_string_with_no_unused_bits<<span class="lifetime">'a</span>>( |
| input: <span class="kw-2">&mut </span>untrusted::Reader<<span class="lifetime">'a</span>>, |
| ) -> <span class="prelude-ty">Result</span><untrusted::Input<<span class="lifetime">'a</span>>, error::Unspecified> { |
| nested(input, Tag::BitString, error::Unspecified, |value| { |
| <span class="kw">let </span>unused_bits_at_end = value.read_byte().map_err(|<span class="kw">_</span>| error::Unspecified)<span class="question-mark">?</span>; |
| <span class="kw">if </span>unused_bits_at_end != <span class="number">0 </span>{ |
| <span class="kw">return </span><span class="prelude-val">Err</span>(error::Unspecified); |
| } |
| <span class="prelude-val">Ok</span>(value.read_bytes_to_end()) |
| }) |
| } |
| |
| <span class="comment">// TODO: investigate taking decoder as a reference to reduce generated code |
| // size. |
| </span><span class="kw">pub fn </span>nested<<span class="lifetime">'a</span>, F, R, E: Copy>( |
| input: <span class="kw-2">&mut </span>untrusted::Reader<<span class="lifetime">'a</span>>, |
| tag: Tag, |
| error: E, |
| decoder: F, |
| ) -> <span class="prelude-ty">Result</span><R, E> |
| <span class="kw">where |
| </span>F: FnOnce(<span class="kw-2">&mut </span>untrusted::Reader<<span class="lifetime">'a</span>>) -> <span class="prelude-ty">Result</span><R, E>, |
| { |
| <span class="kw">let </span>inner = expect_tag_and_get_value(input, tag).map_err(|<span class="kw">_</span>| error)<span class="question-mark">?</span>; |
| inner.read_all(error, decoder) |
| } |
| |
| <span class="kw">fn </span>nonnegative_integer<<span class="lifetime">'a</span>>( |
| input: <span class="kw-2">&mut </span>untrusted::Reader<<span class="lifetime">'a</span>>, |
| min_value: u8, |
| ) -> <span class="prelude-ty">Result</span><untrusted::Input<<span class="lifetime">'a</span>>, error::Unspecified> { |
| <span class="comment">// Verify that |input|, which has had any leading zero stripped off, is the |
| // encoding of a value of at least |min_value|. |
| </span><span class="kw">fn </span>check_minimum(input: untrusted::Input, min_value: u8) -> <span class="prelude-ty">Result</span><(), error::Unspecified> { |
| input.read_all(error::Unspecified, |input| { |
| <span class="kw">let </span>first_byte = input.read_byte()<span class="question-mark">?</span>; |
| <span class="kw">if </span>input.at_end() && first_byte < min_value { |
| <span class="kw">return </span><span class="prelude-val">Err</span>(error::Unspecified); |
| } |
| <span class="kw">let _ </span>= input.read_bytes_to_end(); |
| <span class="prelude-val">Ok</span>(()) |
| }) |
| } |
| |
| <span class="kw">let </span>value = expect_tag_and_get_value(input, Tag::Integer)<span class="question-mark">?</span>; |
| |
| value.read_all(error::Unspecified, |input| { |
| <span class="comment">// Empty encodings are not allowed. |
| </span><span class="kw">let </span>first_byte = input.read_byte()<span class="question-mark">?</span>; |
| |
| <span class="kw">if </span>first_byte == <span class="number">0 </span>{ |
| <span class="kw">if </span>input.at_end() { |
| <span class="comment">// |value| is the legal encoding of zero. |
| </span><span class="kw">if </span>min_value > <span class="number">0 </span>{ |
| <span class="kw">return </span><span class="prelude-val">Err</span>(error::Unspecified); |
| } |
| <span class="kw">return </span><span class="prelude-val">Ok</span>(value); |
| } |
| |
| <span class="kw">let </span>r = input.read_bytes_to_end(); |
| r.read_all(error::Unspecified, |input| { |
| <span class="kw">let </span>second_byte = input.read_byte()<span class="question-mark">?</span>; |
| <span class="kw">if </span>(second_byte & <span class="number">0x80</span>) == <span class="number">0 </span>{ |
| <span class="comment">// A leading zero is only allowed when the value's high bit |
| // is set. |
| </span><span class="kw">return </span><span class="prelude-val">Err</span>(error::Unspecified); |
| } |
| <span class="kw">let _ </span>= input.read_bytes_to_end(); |
| <span class="prelude-val">Ok</span>(()) |
| })<span class="question-mark">?</span>; |
| check_minimum(r, min_value)<span class="question-mark">?</span>; |
| <span class="kw">return </span><span class="prelude-val">Ok</span>(r); |
| } |
| |
| <span class="comment">// Negative values are not allowed. |
| </span><span class="kw">if </span>(first_byte & <span class="number">0x80</span>) != <span class="number">0 </span>{ |
| <span class="kw">return </span><span class="prelude-val">Err</span>(error::Unspecified); |
| } |
| |
| <span class="kw">let _ </span>= input.read_bytes_to_end(); |
| check_minimum(value, min_value)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(value) |
| }) |
| } |
| |
| <span class="doccomment">/// Parse as integer with a value in the in the range [0, 255], returning its |
| /// numeric value. This is typically used for parsing version numbers. |
| </span><span class="attribute">#[inline] |
| </span><span class="kw">pub fn </span>small_nonnegative_integer(input: <span class="kw-2">&mut </span>untrusted::Reader) -> <span class="prelude-ty">Result</span><u8, error::Unspecified> { |
| <span class="kw">let </span>value = nonnegative_integer(input, <span class="number">0</span>)<span class="question-mark">?</span>; |
| value.read_all(error::Unspecified, |input| { |
| <span class="kw">let </span>r = input.read_byte()<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(r) |
| }) |
| } |
| |
| <span class="doccomment">/// Parses a positive DER integer, returning the big-endian-encoded value, |
| /// sans any leading zero byte. |
| </span><span class="kw">pub fn </span>positive_integer<<span class="lifetime">'a</span>>( |
| input: <span class="kw-2">&mut </span>untrusted::Reader<<span class="lifetime">'a</span>>, |
| ) -> <span class="prelude-ty">Result</span><Positive<<span class="lifetime">'a</span>>, error::Unspecified> { |
| <span class="prelude-val">Ok</span>(Positive::new_non_empty_without_leading_zeros( |
| nonnegative_integer(input, <span class="number">1</span>)<span class="question-mark">?</span>, |
| )) |
| } |
| |
| <span class="attribute">#[cfg(test)] |
| </span><span class="kw">mod </span>tests { |
| <span class="kw">use super</span>::<span class="kw-2">*</span>; |
| <span class="kw">use </span><span class="kw">crate</span>::error; |
| |
| <span class="kw">fn </span>with_good_i<F, R>(value: <span class="kw-2">&</span>[u8], f: F) |
| <span class="kw">where |
| </span>F: FnOnce(<span class="kw-2">&mut </span>untrusted::Reader) -> <span class="prelude-ty">Result</span><R, error::Unspecified>, |
| { |
| <span class="kw">let </span>r = untrusted::Input::from(value).read_all(error::Unspecified, f); |
| <span class="macro">assert!</span>(r.is_ok()); |
| } |
| |
| <span class="kw">fn </span>with_bad_i<F, R>(value: <span class="kw-2">&</span>[u8], f: F) |
| <span class="kw">where |
| </span>F: FnOnce(<span class="kw-2">&mut </span>untrusted::Reader) -> <span class="prelude-ty">Result</span><R, error::Unspecified>, |
| { |
| <span class="kw">let </span>r = untrusted::Input::from(value).read_all(error::Unspecified, f); |
| <span class="macro">assert!</span>(r.is_err()); |
| } |
| |
| <span class="kw">static </span>ZERO_INTEGER: <span class="kw-2">&</span>[u8] = <span class="kw-2">&</span>[<span class="number">0x02</span>, <span class="number">0x01</span>, <span class="number">0x00</span>]; |
| |
| <span class="kw">static </span>GOOD_POSITIVE_INTEGERS: <span class="kw-2">&</span>[(<span class="kw-2">&</span>[u8], u8)] = <span class="kw-2">&</span>[ |
| (<span class="kw-2">&</span>[<span class="number">0x02</span>, <span class="number">0x01</span>, <span class="number">0x01</span>], <span class="number">0x01</span>), |
| (<span class="kw-2">&</span>[<span class="number">0x02</span>, <span class="number">0x01</span>, <span class="number">0x02</span>], <span class="number">0x02</span>), |
| (<span class="kw-2">&</span>[<span class="number">0x02</span>, <span class="number">0x01</span>, <span class="number">0x7e</span>], <span class="number">0x7e</span>), |
| (<span class="kw-2">&</span>[<span class="number">0x02</span>, <span class="number">0x01</span>, <span class="number">0x7f</span>], <span class="number">0x7f</span>), |
| <span class="comment">// Values that need to have an 0x00 prefix to disambiguate them from |
| // them from negative values. |
| </span>(<span class="kw-2">&</span>[<span class="number">0x02</span>, <span class="number">0x02</span>, <span class="number">0x00</span>, <span class="number">0x80</span>], <span class="number">0x80</span>), |
| (<span class="kw-2">&</span>[<span class="number">0x02</span>, <span class="number">0x02</span>, <span class="number">0x00</span>, <span class="number">0x81</span>], <span class="number">0x81</span>), |
| (<span class="kw-2">&</span>[<span class="number">0x02</span>, <span class="number">0x02</span>, <span class="number">0x00</span>, <span class="number">0xfe</span>], <span class="number">0xfe</span>), |
| (<span class="kw-2">&</span>[<span class="number">0x02</span>, <span class="number">0x02</span>, <span class="number">0x00</span>, <span class="number">0xff</span>], <span class="number">0xff</span>), |
| ]; |
| |
| <span class="kw">static </span>BAD_NONNEGATIVE_INTEGERS: <span class="kw-2">&</span>[<span class="kw-2">&</span>[u8]] = <span class="kw-2">&</span>[ |
| <span class="kw-2">&</span>[], <span class="comment">// At end of input |
| </span><span class="kw-2">&</span>[<span class="number">0x02</span>], <span class="comment">// Tag only |
| </span><span class="kw-2">&</span>[<span class="number">0x02</span>, <span class="number">0x00</span>], <span class="comment">// Empty value |
| // Length mismatch |
| </span><span class="kw-2">&</span>[<span class="number">0x02</span>, <span class="number">0x00</span>, <span class="number">0x01</span>], |
| <span class="kw-2">&</span>[<span class="number">0x02</span>, <span class="number">0x01</span>], |
| <span class="kw-2">&</span>[<span class="number">0x02</span>, <span class="number">0x01</span>, <span class="number">0x00</span>, <span class="number">0x01</span>], |
| <span class="kw-2">&</span>[<span class="number">0x02</span>, <span class="number">0x01</span>, <span class="number">0x01</span>, <span class="number">0x00</span>], <span class="comment">// Would be valid if last byte is ignored. |
| </span><span class="kw-2">&</span>[<span class="number">0x02</span>, <span class="number">0x02</span>, <span class="number">0x01</span>], |
| <span class="comment">// Negative values |
| </span><span class="kw-2">&</span>[<span class="number">0x02</span>, <span class="number">0x01</span>, <span class="number">0x80</span>], |
| <span class="kw-2">&</span>[<span class="number">0x02</span>, <span class="number">0x01</span>, <span class="number">0xfe</span>], |
| <span class="kw-2">&</span>[<span class="number">0x02</span>, <span class="number">0x01</span>, <span class="number">0xff</span>], |
| <span class="comment">// Values that have an unnecessary leading 0x00 |
| </span><span class="kw-2">&</span>[<span class="number">0x02</span>, <span class="number">0x02</span>, <span class="number">0x00</span>, <span class="number">0x00</span>], |
| <span class="kw-2">&</span>[<span class="number">0x02</span>, <span class="number">0x02</span>, <span class="number">0x00</span>, <span class="number">0x01</span>], |
| <span class="kw-2">&</span>[<span class="number">0x02</span>, <span class="number">0x02</span>, <span class="number">0x00</span>, <span class="number">0x02</span>], |
| <span class="kw-2">&</span>[<span class="number">0x02</span>, <span class="number">0x02</span>, <span class="number">0x00</span>, <span class="number">0x7e</span>], |
| <span class="kw-2">&</span>[<span class="number">0x02</span>, <span class="number">0x02</span>, <span class="number">0x00</span>, <span class="number">0x7f</span>], |
| ]; |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_small_nonnegative_integer() { |
| with_good_i(ZERO_INTEGER, |input| { |
| <span class="macro">assert_eq!</span>(small_nonnegative_integer(input)<span class="question-mark">?</span>, <span class="number">0x00</span>); |
| <span class="prelude-val">Ok</span>(()) |
| }); |
| <span class="kw">for </span><span class="kw-2">&</span>(test_in, test_out) <span class="kw">in </span>GOOD_POSITIVE_INTEGERS.iter() { |
| with_good_i(test_in, |input| { |
| <span class="macro">assert_eq!</span>(small_nonnegative_integer(input)<span class="question-mark">?</span>, test_out); |
| <span class="prelude-val">Ok</span>(()) |
| }); |
| } |
| <span class="kw">for </span><span class="kw-2">&</span>test_in <span class="kw">in </span>BAD_NONNEGATIVE_INTEGERS.iter() { |
| with_bad_i(test_in, |input| { |
| <span class="kw">let _ </span>= small_nonnegative_integer(input)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(()) |
| }); |
| } |
| } |
| |
| <span class="attribute">#[test] |
| </span><span class="kw">fn </span>test_positive_integer() { |
| with_bad_i(ZERO_INTEGER, |input| { |
| <span class="kw">let _ </span>= positive_integer(input)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(()) |
| }); |
| <span class="kw">for </span><span class="kw-2">&</span>(test_in, test_out) <span class="kw">in </span>GOOD_POSITIVE_INTEGERS.iter() { |
| with_good_i(test_in, |input| { |
| <span class="kw">let </span>test_out = [test_out]; |
| <span class="macro">assert_eq!</span>( |
| positive_integer(input)<span class="question-mark">?</span>.big_endian_without_leading_zero_as_input(), |
| untrusted::Input::from(<span class="kw-2">&</span>test_out[..]) |
| ); |
| <span class="prelude-val">Ok</span>(()) |
| }); |
| } |
| <span class="kw">for </span><span class="kw-2">&</span>test_in <span class="kw">in </span>BAD_NONNEGATIVE_INTEGERS.iter() { |
| with_bad_i(test_in, |input| { |
| <span class="kw">let _ </span>= positive_integer(input)<span class="question-mark">?</span>; |
| <span class="prelude-val">Ok</span>(()) |
| }); |
| } |
| } |
| } |
| </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> |
