71 lines
1.5 KiB
Rust
71 lines
1.5 KiB
Rust
use curve25519_dalek::digest::generic_array::typenum::U64;
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use curve25519_dalek::digest::{Digest, Output};
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use generic_array::GenericArray;
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pub struct Blake3Digest512 {
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dig: blake3::Hasher,
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}
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impl Digest for Blake3Digest512 {
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type OutputSize = U64;
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fn new() -> Self {
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Self {
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dig: blake3::Hasher::new(),
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}
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}
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fn update(&mut self, data: impl AsRef<[u8]>) {
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self.dig.update(data.as_ref());
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}
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fn chain(mut self, data: impl AsRef<[u8]>) -> Self
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where
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Self: Sized,
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{
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self.update(data);
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self
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}
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fn finalize(self) -> Output<Self> {
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let mut b = [0u8; 64];
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self.dig.finalize_xof().fill(&mut b);
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let mut out = GenericArray::<u8, U64>::default();
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for n in 0..64 {
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out[n] = b[n];
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}
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out
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}
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fn finalize_reset(&mut self) -> Output<Self> {
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let mut b = [0u8; 64];
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self.dig.finalize_xof().fill(&mut b);
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let mut out = GenericArray::<u8, U64>::default();
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for n in 0..64 {
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out[n] = b[n];
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}
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self.reset();
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out
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}
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fn reset(&mut self) {
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self.dig.reset();
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}
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fn output_size() -> usize {
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64
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}
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fn digest(data: &[u8]) -> Output<Self> {
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let mut dig = blake3::Hasher::new();
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dig.update(data);
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let mut b = [0u8; 64];
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dig.finalize_xof().fill(&mut b);
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let mut out = GenericArray::<u8, U64>::default();
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for n in 0..64 {
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out[n] = b[n];
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}
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out
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}
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}
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