Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

avx blake #518

Merged
merged 1 commit into from
Mar 25, 2024
Merged

avx blake #518

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
217 changes: 217 additions & 0 deletions src/commitment_scheme/blake2s_ref.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,217 @@
//! An AVX512 implementation of the BLAKE2s compression function.
//! Based on https://github.com/oconnor663/blake2_simd/blob/master/blake2s/src/avx2.rs .
pub const IV: [u32; 8] = [
0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A, 0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19,
];

pub const SIGMA: [[u8; 16]; 10] = [
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15],
[14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3],
[11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4],
[7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8],
[9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13],
[2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9],
[12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11],
[13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10],
[6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5],
[10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0],
];

#[inline(always)]
fn add(a: u32, b: u32) -> u32 {
a.wrapping_add(b)
}

#[inline(always)]
fn xor(a: u32, b: u32) -> u32 {
a ^ b
}

#[inline(always)]
fn rot16(x: u32) -> u32 {
(x >> 16) | (x << (32 - 16))
}

#[inline(always)]
fn rot12(x: u32) -> u32 {
(x >> 12) | (x << (32 - 12))
}

#[inline(always)]
fn rot8(x: u32) -> u32 {
(x >> 8) | (x << (32 - 8))
}

#[inline(always)]
fn rot7(x: u32) -> u32 {
(x >> 7) | (x << (32 - 7))
}

#[inline(always)]
fn round(v: &mut [u32; 16], m: [u32; 16], r: usize) {
v[0] = add(v[0], m[SIGMA[r][0] as usize]);
v[1] = add(v[1], m[SIGMA[r][2] as usize]);
v[2] = add(v[2], m[SIGMA[r][4] as usize]);
v[3] = add(v[3], m[SIGMA[r][6] as usize]);
v[0] = add(v[0], v[4]);
v[1] = add(v[1], v[5]);
v[2] = add(v[2], v[6]);
v[3] = add(v[3], v[7]);
v[12] = xor(v[12], v[0]);
v[13] = xor(v[13], v[1]);
v[14] = xor(v[14], v[2]);
v[15] = xor(v[15], v[3]);
v[12] = rot16(v[12]);
v[13] = rot16(v[13]);
v[14] = rot16(v[14]);
v[15] = rot16(v[15]);
v[8] = add(v[8], v[12]);
v[9] = add(v[9], v[13]);
v[10] = add(v[10], v[14]);
v[11] = add(v[11], v[15]);
v[4] = xor(v[4], v[8]);
v[5] = xor(v[5], v[9]);
v[6] = xor(v[6], v[10]);
v[7] = xor(v[7], v[11]);
v[4] = rot12(v[4]);
v[5] = rot12(v[5]);
v[6] = rot12(v[6]);
v[7] = rot12(v[7]);
v[0] = add(v[0], m[SIGMA[r][1] as usize]);
v[1] = add(v[1], m[SIGMA[r][3] as usize]);
v[2] = add(v[2], m[SIGMA[r][5] as usize]);
v[3] = add(v[3], m[SIGMA[r][7] as usize]);
v[0] = add(v[0], v[4]);
v[1] = add(v[1], v[5]);
v[2] = add(v[2], v[6]);
v[3] = add(v[3], v[7]);
v[12] = xor(v[12], v[0]);
v[13] = xor(v[13], v[1]);
v[14] = xor(v[14], v[2]);
v[15] = xor(v[15], v[3]);
v[12] = rot8(v[12]);
v[13] = rot8(v[13]);
v[14] = rot8(v[14]);
v[15] = rot8(v[15]);
v[8] = add(v[8], v[12]);
v[9] = add(v[9], v[13]);
v[10] = add(v[10], v[14]);
v[11] = add(v[11], v[15]);
v[4] = xor(v[4], v[8]);
v[5] = xor(v[5], v[9]);
v[6] = xor(v[6], v[10]);
v[7] = xor(v[7], v[11]);
v[4] = rot7(v[4]);
v[5] = rot7(v[5]);
v[6] = rot7(v[6]);
v[7] = rot7(v[7]);

v[0] = add(v[0], m[SIGMA[r][8] as usize]);
v[1] = add(v[1], m[SIGMA[r][10] as usize]);
v[2] = add(v[2], m[SIGMA[r][12] as usize]);
v[3] = add(v[3], m[SIGMA[r][14] as usize]);
v[0] = add(v[0], v[5]);
v[1] = add(v[1], v[6]);
v[2] = add(v[2], v[7]);
v[3] = add(v[3], v[4]);
v[15] = xor(v[15], v[0]);
v[12] = xor(v[12], v[1]);
v[13] = xor(v[13], v[2]);
v[14] = xor(v[14], v[3]);
v[15] = rot16(v[15]);
v[12] = rot16(v[12]);
v[13] = rot16(v[13]);
v[14] = rot16(v[14]);
v[10] = add(v[10], v[15]);
v[11] = add(v[11], v[12]);
v[8] = add(v[8], v[13]);
v[9] = add(v[9], v[14]);
v[5] = xor(v[5], v[10]);
v[6] = xor(v[6], v[11]);
v[7] = xor(v[7], v[8]);
v[4] = xor(v[4], v[9]);
v[5] = rot12(v[5]);
v[6] = rot12(v[6]);
v[7] = rot12(v[7]);
v[4] = rot12(v[4]);
v[0] = add(v[0], m[SIGMA[r][9] as usize]);
v[1] = add(v[1], m[SIGMA[r][11] as usize]);
v[2] = add(v[2], m[SIGMA[r][13] as usize]);
v[3] = add(v[3], m[SIGMA[r][15] as usize]);
v[0] = add(v[0], v[5]);
v[1] = add(v[1], v[6]);
v[2] = add(v[2], v[7]);
v[3] = add(v[3], v[4]);
v[15] = xor(v[15], v[0]);
v[12] = xor(v[12], v[1]);
v[13] = xor(v[13], v[2]);
v[14] = xor(v[14], v[3]);
v[15] = rot8(v[15]);
v[12] = rot8(v[12]);
v[13] = rot8(v[13]);
v[14] = rot8(v[14]);
v[10] = add(v[10], v[15]);
v[11] = add(v[11], v[12]);
v[8] = add(v[8], v[13]);
v[9] = add(v[9], v[14]);
v[5] = xor(v[5], v[10]);
v[6] = xor(v[6], v[11]);
v[7] = xor(v[7], v[8]);
v[4] = xor(v[4], v[9]);
v[5] = rot7(v[5]);
v[6] = rot7(v[6]);
v[7] = rot7(v[7]);
v[4] = rot7(v[4]);
}

/// Performs a Blake2s compression.
pub fn compress(
h_vecs: [u32; 8],
msg_vecs: [u32; 16],
count_low: u32,
count_high: u32,
lastblock: u32,
lastnode: u32,
) -> [u32; 8] {
let mut v = [
h_vecs[0],
h_vecs[1],
h_vecs[2],
h_vecs[3],
h_vecs[4],
h_vecs[5],
h_vecs[6],
h_vecs[7],
IV[0],
IV[1],
IV[2],
IV[3],
xor(IV[4], count_low),
xor(IV[5], count_high),
xor(IV[6], lastblock),
xor(IV[7], lastnode),
];

round(&mut v, msg_vecs, 0);
round(&mut v, msg_vecs, 1);
round(&mut v, msg_vecs, 2);
round(&mut v, msg_vecs, 3);
round(&mut v, msg_vecs, 4);
round(&mut v, msg_vecs, 5);
round(&mut v, msg_vecs, 6);
round(&mut v, msg_vecs, 7);
round(&mut v, msg_vecs, 8);
round(&mut v, msg_vecs, 9);

[
xor(xor(h_vecs[0], v[0]), v[8]),
xor(xor(h_vecs[1], v[1]), v[9]),
xor(xor(h_vecs[2], v[2]), v[10]),
xor(xor(h_vecs[3], v[3]), v[11]),
xor(xor(h_vecs[4], v[4]), v[12]),
xor(xor(h_vecs[5], v[5]), v[13]),
xor(xor(h_vecs[6], v[6]), v[14]),
xor(xor(h_vecs[7], v[7]), v[15]),
]
}
1 change: 1 addition & 0 deletions src/commitment_scheme/mod.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
pub mod blake2_hash;
pub mod blake2s_ref;
pub mod blake3_hash;
pub mod hasher;
pub mod merkle_decommitment;
Expand Down
Loading
Loading