mirror of https://github.com/ctz/rustls
61 lines
1.4 KiB
Rust
61 lines
1.4 KiB
Rust
#![allow(clippy::duplicate_mod)]
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use super::ring_like::digest;
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use crate::crypto;
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use crate::msgs::enums::HashAlgorithm;
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use alloc::boxed::Box;
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pub(crate) static SHA256: Hash = Hash(&digest::SHA256, HashAlgorithm::SHA256);
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pub(crate) static SHA384: Hash = Hash(&digest::SHA384, HashAlgorithm::SHA384);
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pub(crate) struct Hash(&'static digest::Algorithm, HashAlgorithm);
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impl crypto::hash::Hash for Hash {
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fn start(&self) -> Box<dyn crypto::hash::Context> {
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Box::new(Context(digest::Context::new(self.0)))
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}
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fn hash(&self, bytes: &[u8]) -> crypto::hash::Output {
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let mut ctx = digest::Context::new(self.0);
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ctx.update(bytes);
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convert(ctx.finish())
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}
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fn output_len(&self) -> usize {
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self.0.output_len()
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}
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fn algorithm(&self) -> HashAlgorithm {
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self.1
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}
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fn fips_mode(&self) -> bool {
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super::fips_mode()
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}
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}
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struct Context(digest::Context);
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impl crypto::hash::Context for Context {
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fn fork_finish(&self) -> crypto::hash::Output {
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convert(self.0.clone().finish())
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}
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fn fork(&self) -> Box<dyn crypto::hash::Context> {
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Box::new(Self(self.0.clone()))
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}
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fn finish(self: Box<Self>) -> crypto::hash::Output {
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convert(self.0.finish())
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}
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fn update(&mut self, data: &[u8]) {
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self.0.update(data);
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}
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}
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fn convert(val: digest::Digest) -> crypto::hash::Output {
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crypto::hash::Output::new(val.as_ref())
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}
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