zig/lib/std/crypto/sha2.zig
Frank Denis 6f9ea9eaef Breaking: sort std/crypto functions into categories
Instead of having all primitives and constructions share the same namespace,
they are now organized by category and function family.

Types within the same category are expected to share the exact same API.
2020-08-20 23:02:05 +02:00

734 lines
27 KiB
Zig

// SPDX-License-Identifier: MIT
// Copyright (c) 2015-2020 Zig Contributors
// This file is part of [zig](https://ziglang.org/), which is MIT licensed.
// The MIT license requires this copyright notice to be included in all copies
// and substantial portions of the software.
const mem = @import("../mem.zig");
const math = @import("../math.zig");
const endian = @import("../endian.zig");
const debug = @import("../debug.zig");
const builtin = @import("builtin");
const htest = @import("test.zig");
/////////////////////
// Sha224 + Sha256
const RoundParam256 = struct {
a: usize,
b: usize,
c: usize,
d: usize,
e: usize,
f: usize,
g: usize,
h: usize,
i: usize,
k: u32,
};
fn Rp256(a: usize, b: usize, c: usize, d: usize, e: usize, f: usize, g: usize, h: usize, i: usize, k: u32) RoundParam256 {
return RoundParam256{
.a = a,
.b = b,
.c = c,
.d = d,
.e = e,
.f = f,
.g = g,
.h = h,
.i = i,
.k = k,
};
}
const Sha2Params32 = struct {
iv0: u32,
iv1: u32,
iv2: u32,
iv3: u32,
iv4: u32,
iv5: u32,
iv6: u32,
iv7: u32,
out_len: usize,
};
const Sha224Params = Sha2Params32{
.iv0 = 0xC1059ED8,
.iv1 = 0x367CD507,
.iv2 = 0x3070DD17,
.iv3 = 0xF70E5939,
.iv4 = 0xFFC00B31,
.iv5 = 0x68581511,
.iv6 = 0x64F98FA7,
.iv7 = 0xBEFA4FA4,
.out_len = 224,
};
const Sha256Params = Sha2Params32{
.iv0 = 0x6A09E667,
.iv1 = 0xBB67AE85,
.iv2 = 0x3C6EF372,
.iv3 = 0xA54FF53A,
.iv4 = 0x510E527F,
.iv5 = 0x9B05688C,
.iv6 = 0x1F83D9AB,
.iv7 = 0x5BE0CD19,
.out_len = 256,
};
pub const Sha224 = Sha2_32(Sha224Params);
pub const Sha256 = Sha2_32(Sha256Params);
fn Sha2_32(comptime params: Sha2Params32) type {
return struct {
const Self = @This();
pub const block_length = 64;
pub const digest_length = params.out_len / 8;
s: [8]u32,
// Streaming Cache
buf: [64]u8,
buf_len: u8,
total_len: u64,
pub fn init() Self {
return Self{
.s = [_]u32{
params.iv0,
params.iv1,
params.iv2,
params.iv3,
params.iv4,
params.iv5,
params.iv6,
params.iv7,
},
.buf = undefined,
.buf_len = 0,
.total_len = 0,
};
}
pub fn reset(self: *Self) void {
self.* = init();
}
pub fn hash(b: []const u8, out: []u8) void {
var d = Self.init();
d.update(b);
d.final(out);
}
pub fn update(d: *Self, b: []const u8) void {
var off: usize = 0;
// Partial buffer exists from previous update. Copy into buffer then hash.
if (d.buf_len != 0 and d.buf_len + b.len >= 64) {
off += 64 - d.buf_len;
mem.copy(u8, d.buf[d.buf_len..], b[0..off]);
d.round(d.buf[0..]);
d.buf_len = 0;
}
// Full middle blocks.
while (off + 64 <= b.len) : (off += 64) {
d.round(b[off .. off + 64]);
}
// Copy any remainder for next pass.
mem.copy(u8, d.buf[d.buf_len..], b[off..]);
d.buf_len += @intCast(u8, b[off..].len);
d.total_len += b.len;
}
pub fn final(d: *Self, out: []u8) void {
debug.assert(out.len >= params.out_len / 8);
// The buffer here will never be completely full.
mem.set(u8, d.buf[d.buf_len..], 0);
// Append padding bits.
d.buf[d.buf_len] = 0x80;
d.buf_len += 1;
// > 448 mod 512 so need to add an extra round to wrap around.
if (64 - d.buf_len < 8) {
d.round(d.buf[0..]);
mem.set(u8, d.buf[0..], 0);
}
// Append message length.
var i: usize = 1;
var len = d.total_len >> 5;
d.buf[63] = @intCast(u8, d.total_len & 0x1f) << 3;
while (i < 8) : (i += 1) {
d.buf[63 - i] = @intCast(u8, len & 0xff);
len >>= 8;
}
d.round(d.buf[0..]);
// May truncate for possible 224 output
const rr = d.s[0 .. params.out_len / 32];
for (rr) |s, j| {
mem.writeIntBig(u32, out[4 * j ..][0..4], s);
}
}
fn round(d: *Self, b: []const u8) void {
debug.assert(b.len == 64);
var s: [64]u32 = undefined;
var i: usize = 0;
while (i < 16) : (i += 1) {
s[i] = 0;
s[i] |= @as(u32, b[i * 4 + 0]) << 24;
s[i] |= @as(u32, b[i * 4 + 1]) << 16;
s[i] |= @as(u32, b[i * 4 + 2]) << 8;
s[i] |= @as(u32, b[i * 4 + 3]) << 0;
}
while (i < 64) : (i += 1) {
s[i] = s[i - 16] +% s[i - 7] +% (math.rotr(u32, s[i - 15], @as(u32, 7)) ^ math.rotr(u32, s[i - 15], @as(u32, 18)) ^ (s[i - 15] >> 3)) +% (math.rotr(u32, s[i - 2], @as(u32, 17)) ^ math.rotr(u32, s[i - 2], @as(u32, 19)) ^ (s[i - 2] >> 10));
}
var v: [8]u32 = [_]u32{
d.s[0],
d.s[1],
d.s[2],
d.s[3],
d.s[4],
d.s[5],
d.s[6],
d.s[7],
};
const round0 = comptime [_]RoundParam256{
Rp256(0, 1, 2, 3, 4, 5, 6, 7, 0, 0x428A2F98),
Rp256(7, 0, 1, 2, 3, 4, 5, 6, 1, 0x71374491),
Rp256(6, 7, 0, 1, 2, 3, 4, 5, 2, 0xB5C0FBCF),
Rp256(5, 6, 7, 0, 1, 2, 3, 4, 3, 0xE9B5DBA5),
Rp256(4, 5, 6, 7, 0, 1, 2, 3, 4, 0x3956C25B),
Rp256(3, 4, 5, 6, 7, 0, 1, 2, 5, 0x59F111F1),
Rp256(2, 3, 4, 5, 6, 7, 0, 1, 6, 0x923F82A4),
Rp256(1, 2, 3, 4, 5, 6, 7, 0, 7, 0xAB1C5ED5),
Rp256(0, 1, 2, 3, 4, 5, 6, 7, 8, 0xD807AA98),
Rp256(7, 0, 1, 2, 3, 4, 5, 6, 9, 0x12835B01),
Rp256(6, 7, 0, 1, 2, 3, 4, 5, 10, 0x243185BE),
Rp256(5, 6, 7, 0, 1, 2, 3, 4, 11, 0x550C7DC3),
Rp256(4, 5, 6, 7, 0, 1, 2, 3, 12, 0x72BE5D74),
Rp256(3, 4, 5, 6, 7, 0, 1, 2, 13, 0x80DEB1FE),
Rp256(2, 3, 4, 5, 6, 7, 0, 1, 14, 0x9BDC06A7),
Rp256(1, 2, 3, 4, 5, 6, 7, 0, 15, 0xC19BF174),
Rp256(0, 1, 2, 3, 4, 5, 6, 7, 16, 0xE49B69C1),
Rp256(7, 0, 1, 2, 3, 4, 5, 6, 17, 0xEFBE4786),
Rp256(6, 7, 0, 1, 2, 3, 4, 5, 18, 0x0FC19DC6),
Rp256(5, 6, 7, 0, 1, 2, 3, 4, 19, 0x240CA1CC),
Rp256(4, 5, 6, 7, 0, 1, 2, 3, 20, 0x2DE92C6F),
Rp256(3, 4, 5, 6, 7, 0, 1, 2, 21, 0x4A7484AA),
Rp256(2, 3, 4, 5, 6, 7, 0, 1, 22, 0x5CB0A9DC),
Rp256(1, 2, 3, 4, 5, 6, 7, 0, 23, 0x76F988DA),
Rp256(0, 1, 2, 3, 4, 5, 6, 7, 24, 0x983E5152),
Rp256(7, 0, 1, 2, 3, 4, 5, 6, 25, 0xA831C66D),
Rp256(6, 7, 0, 1, 2, 3, 4, 5, 26, 0xB00327C8),
Rp256(5, 6, 7, 0, 1, 2, 3, 4, 27, 0xBF597FC7),
Rp256(4, 5, 6, 7, 0, 1, 2, 3, 28, 0xC6E00BF3),
Rp256(3, 4, 5, 6, 7, 0, 1, 2, 29, 0xD5A79147),
Rp256(2, 3, 4, 5, 6, 7, 0, 1, 30, 0x06CA6351),
Rp256(1, 2, 3, 4, 5, 6, 7, 0, 31, 0x14292967),
Rp256(0, 1, 2, 3, 4, 5, 6, 7, 32, 0x27B70A85),
Rp256(7, 0, 1, 2, 3, 4, 5, 6, 33, 0x2E1B2138),
Rp256(6, 7, 0, 1, 2, 3, 4, 5, 34, 0x4D2C6DFC),
Rp256(5, 6, 7, 0, 1, 2, 3, 4, 35, 0x53380D13),
Rp256(4, 5, 6, 7, 0, 1, 2, 3, 36, 0x650A7354),
Rp256(3, 4, 5, 6, 7, 0, 1, 2, 37, 0x766A0ABB),
Rp256(2, 3, 4, 5, 6, 7, 0, 1, 38, 0x81C2C92E),
Rp256(1, 2, 3, 4, 5, 6, 7, 0, 39, 0x92722C85),
Rp256(0, 1, 2, 3, 4, 5, 6, 7, 40, 0xA2BFE8A1),
Rp256(7, 0, 1, 2, 3, 4, 5, 6, 41, 0xA81A664B),
Rp256(6, 7, 0, 1, 2, 3, 4, 5, 42, 0xC24B8B70),
Rp256(5, 6, 7, 0, 1, 2, 3, 4, 43, 0xC76C51A3),
Rp256(4, 5, 6, 7, 0, 1, 2, 3, 44, 0xD192E819),
Rp256(3, 4, 5, 6, 7, 0, 1, 2, 45, 0xD6990624),
Rp256(2, 3, 4, 5, 6, 7, 0, 1, 46, 0xF40E3585),
Rp256(1, 2, 3, 4, 5, 6, 7, 0, 47, 0x106AA070),
Rp256(0, 1, 2, 3, 4, 5, 6, 7, 48, 0x19A4C116),
Rp256(7, 0, 1, 2, 3, 4, 5, 6, 49, 0x1E376C08),
Rp256(6, 7, 0, 1, 2, 3, 4, 5, 50, 0x2748774C),
Rp256(5, 6, 7, 0, 1, 2, 3, 4, 51, 0x34B0BCB5),
Rp256(4, 5, 6, 7, 0, 1, 2, 3, 52, 0x391C0CB3),
Rp256(3, 4, 5, 6, 7, 0, 1, 2, 53, 0x4ED8AA4A),
Rp256(2, 3, 4, 5, 6, 7, 0, 1, 54, 0x5B9CCA4F),
Rp256(1, 2, 3, 4, 5, 6, 7, 0, 55, 0x682E6FF3),
Rp256(0, 1, 2, 3, 4, 5, 6, 7, 56, 0x748F82EE),
Rp256(7, 0, 1, 2, 3, 4, 5, 6, 57, 0x78A5636F),
Rp256(6, 7, 0, 1, 2, 3, 4, 5, 58, 0x84C87814),
Rp256(5, 6, 7, 0, 1, 2, 3, 4, 59, 0x8CC70208),
Rp256(4, 5, 6, 7, 0, 1, 2, 3, 60, 0x90BEFFFA),
Rp256(3, 4, 5, 6, 7, 0, 1, 2, 61, 0xA4506CEB),
Rp256(2, 3, 4, 5, 6, 7, 0, 1, 62, 0xBEF9A3F7),
Rp256(1, 2, 3, 4, 5, 6, 7, 0, 63, 0xC67178F2),
};
inline for (round0) |r| {
v[r.h] = v[r.h] +% (math.rotr(u32, v[r.e], @as(u32, 6)) ^ math.rotr(u32, v[r.e], @as(u32, 11)) ^ math.rotr(u32, v[r.e], @as(u32, 25))) +% (v[r.g] ^ (v[r.e] & (v[r.f] ^ v[r.g]))) +% r.k +% s[r.i];
v[r.d] = v[r.d] +% v[r.h];
v[r.h] = v[r.h] +% (math.rotr(u32, v[r.a], @as(u32, 2)) ^ math.rotr(u32, v[r.a], @as(u32, 13)) ^ math.rotr(u32, v[r.a], @as(u32, 22))) +% ((v[r.a] & (v[r.b] | v[r.c])) | (v[r.b] & v[r.c]));
}
d.s[0] +%= v[0];
d.s[1] +%= v[1];
d.s[2] +%= v[2];
d.s[3] +%= v[3];
d.s[4] +%= v[4];
d.s[5] +%= v[5];
d.s[6] +%= v[6];
d.s[7] +%= v[7];
}
};
}
test "sha224 single" {
htest.assertEqualHash(Sha224, "d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f", "");
htest.assertEqualHash(Sha224, "23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7", "abc");
htest.assertEqualHash(Sha224, "c97ca9a559850ce97a04a96def6d99a9e0e0e2ab14e6b8df265fc0b3", "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu");
}
test "sha224 streaming" {
var h = Sha224.init();
var out: [28]u8 = undefined;
h.final(out[0..]);
htest.assertEqual("d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f", out[0..]);
h.reset();
h.update("abc");
h.final(out[0..]);
htest.assertEqual("23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7", out[0..]);
h.reset();
h.update("a");
h.update("b");
h.update("c");
h.final(out[0..]);
htest.assertEqual("23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7", out[0..]);
}
test "sha256 single" {
htest.assertEqualHash(Sha256, "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", "");
htest.assertEqualHash(Sha256, "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad", "abc");
htest.assertEqualHash(Sha256, "cf5b16a778af8380036ce59e7b0492370b249b11e8f07a51afac45037afee9d1", "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu");
}
test "sha256 streaming" {
var h = Sha256.init();
var out: [32]u8 = undefined;
h.final(out[0..]);
htest.assertEqual("e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", out[0..]);
h.reset();
h.update("abc");
h.final(out[0..]);
htest.assertEqual("ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad", out[0..]);
h.reset();
h.update("a");
h.update("b");
h.update("c");
h.final(out[0..]);
htest.assertEqual("ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad", out[0..]);
}
test "sha256 aligned final" {
var block = [_]u8{0} ** Sha256.block_length;
var out: [Sha256.digest_length]u8 = undefined;
var h = Sha256.init();
h.update(&block);
h.final(out[0..]);
}
/////////////////////
// Sha384 + Sha512
const RoundParam512 = struct {
a: usize,
b: usize,
c: usize,
d: usize,
e: usize,
f: usize,
g: usize,
h: usize,
i: usize,
k: u64,
};
fn Rp512(a: usize, b: usize, c: usize, d: usize, e: usize, f: usize, g: usize, h: usize, i: usize, k: u64) RoundParam512 {
return RoundParam512{
.a = a,
.b = b,
.c = c,
.d = d,
.e = e,
.f = f,
.g = g,
.h = h,
.i = i,
.k = k,
};
}
const Sha2Params64 = struct {
iv0: u64,
iv1: u64,
iv2: u64,
iv3: u64,
iv4: u64,
iv5: u64,
iv6: u64,
iv7: u64,
out_len: usize,
};
const Sha384Params = Sha2Params64{
.iv0 = 0xCBBB9D5DC1059ED8,
.iv1 = 0x629A292A367CD507,
.iv2 = 0x9159015A3070DD17,
.iv3 = 0x152FECD8F70E5939,
.iv4 = 0x67332667FFC00B31,
.iv5 = 0x8EB44A8768581511,
.iv6 = 0xDB0C2E0D64F98FA7,
.iv7 = 0x47B5481DBEFA4FA4,
.out_len = 384,
};
const Sha512Params = Sha2Params64{
.iv0 = 0x6A09E667F3BCC908,
.iv1 = 0xBB67AE8584CAA73B,
.iv2 = 0x3C6EF372FE94F82B,
.iv3 = 0xA54FF53A5F1D36F1,
.iv4 = 0x510E527FADE682D1,
.iv5 = 0x9B05688C2B3E6C1F,
.iv6 = 0x1F83D9ABFB41BD6B,
.iv7 = 0x5BE0CD19137E2179,
.out_len = 512,
};
pub const Sha384 = Sha2_64(Sha384Params);
pub const Sha512 = Sha2_64(Sha512Params);
fn Sha2_64(comptime params: Sha2Params64) type {
return struct {
const Self = @This();
pub const block_length = 128;
pub const digest_length = params.out_len / 8;
s: [8]u64,
// Streaming Cache
buf: [128]u8,
buf_len: u8,
total_len: u128,
pub fn init() Self {
var d: Self = undefined;
d.reset();
return d;
}
pub fn reset(d: *Self) void {
d.s[0] = params.iv0;
d.s[1] = params.iv1;
d.s[2] = params.iv2;
d.s[3] = params.iv3;
d.s[4] = params.iv4;
d.s[5] = params.iv5;
d.s[6] = params.iv6;
d.s[7] = params.iv7;
d.buf_len = 0;
d.total_len = 0;
}
pub fn hash(b: []const u8, out: []u8) void {
var d = Self.init();
d.update(b);
d.final(out);
}
pub fn update(d: *Self, b: []const u8) void {
var off: usize = 0;
// Partial buffer exists from previous update. Copy into buffer then hash.
if (d.buf_len != 0 and d.buf_len + b.len >= 128) {
off += 128 - d.buf_len;
mem.copy(u8, d.buf[d.buf_len..], b[0..off]);
d.round(d.buf[0..]);
d.buf_len = 0;
}
// Full middle blocks.
while (off + 128 <= b.len) : (off += 128) {
d.round(b[off .. off + 128]);
}
// Copy any remainder for next pass.
mem.copy(u8, d.buf[d.buf_len..], b[off..]);
d.buf_len += @intCast(u8, b[off..].len);
d.total_len += b.len;
}
pub fn final(d: *Self, out: []u8) void {
debug.assert(out.len >= params.out_len / 8);
// The buffer here will never be completely full.
mem.set(u8, d.buf[d.buf_len..], 0);
// Append padding bits.
d.buf[d.buf_len] = 0x80;
d.buf_len += 1;
// > 896 mod 1024 so need to add an extra round to wrap around.
if (128 - d.buf_len < 16) {
d.round(d.buf[0..]);
mem.set(u8, d.buf[0..], 0);
}
// Append message length.
var i: usize = 1;
var len = d.total_len >> 5;
d.buf[127] = @intCast(u8, d.total_len & 0x1f) << 3;
while (i < 16) : (i += 1) {
d.buf[127 - i] = @intCast(u8, len & 0xff);
len >>= 8;
}
d.round(d.buf[0..]);
// May truncate for possible 384 output
const rr = d.s[0 .. params.out_len / 64];
for (rr) |s, j| {
mem.writeIntBig(u64, out[8 * j ..][0..8], s);
}
}
fn round(d: *Self, b: []const u8) void {
debug.assert(b.len == 128);
var s: [80]u64 = undefined;
var i: usize = 0;
while (i < 16) : (i += 1) {
s[i] = 0;
s[i] |= @as(u64, b[i * 8 + 0]) << 56;
s[i] |= @as(u64, b[i * 8 + 1]) << 48;
s[i] |= @as(u64, b[i * 8 + 2]) << 40;
s[i] |= @as(u64, b[i * 8 + 3]) << 32;
s[i] |= @as(u64, b[i * 8 + 4]) << 24;
s[i] |= @as(u64, b[i * 8 + 5]) << 16;
s[i] |= @as(u64, b[i * 8 + 6]) << 8;
s[i] |= @as(u64, b[i * 8 + 7]) << 0;
}
while (i < 80) : (i += 1) {
s[i] = s[i - 16] +% s[i - 7] +%
(math.rotr(u64, s[i - 15], @as(u64, 1)) ^ math.rotr(u64, s[i - 15], @as(u64, 8)) ^ (s[i - 15] >> 7)) +%
(math.rotr(u64, s[i - 2], @as(u64, 19)) ^ math.rotr(u64, s[i - 2], @as(u64, 61)) ^ (s[i - 2] >> 6));
}
var v: [8]u64 = [_]u64{
d.s[0],
d.s[1],
d.s[2],
d.s[3],
d.s[4],
d.s[5],
d.s[6],
d.s[7],
};
const round0 = comptime [_]RoundParam512{
Rp512(0, 1, 2, 3, 4, 5, 6, 7, 0, 0x428A2F98D728AE22),
Rp512(7, 0, 1, 2, 3, 4, 5, 6, 1, 0x7137449123EF65CD),
Rp512(6, 7, 0, 1, 2, 3, 4, 5, 2, 0xB5C0FBCFEC4D3B2F),
Rp512(5, 6, 7, 0, 1, 2, 3, 4, 3, 0xE9B5DBA58189DBBC),
Rp512(4, 5, 6, 7, 0, 1, 2, 3, 4, 0x3956C25BF348B538),
Rp512(3, 4, 5, 6, 7, 0, 1, 2, 5, 0x59F111F1B605D019),
Rp512(2, 3, 4, 5, 6, 7, 0, 1, 6, 0x923F82A4AF194F9B),
Rp512(1, 2, 3, 4, 5, 6, 7, 0, 7, 0xAB1C5ED5DA6D8118),
Rp512(0, 1, 2, 3, 4, 5, 6, 7, 8, 0xD807AA98A3030242),
Rp512(7, 0, 1, 2, 3, 4, 5, 6, 9, 0x12835B0145706FBE),
Rp512(6, 7, 0, 1, 2, 3, 4, 5, 10, 0x243185BE4EE4B28C),
Rp512(5, 6, 7, 0, 1, 2, 3, 4, 11, 0x550C7DC3D5FFB4E2),
Rp512(4, 5, 6, 7, 0, 1, 2, 3, 12, 0x72BE5D74F27B896F),
Rp512(3, 4, 5, 6, 7, 0, 1, 2, 13, 0x80DEB1FE3B1696B1),
Rp512(2, 3, 4, 5, 6, 7, 0, 1, 14, 0x9BDC06A725C71235),
Rp512(1, 2, 3, 4, 5, 6, 7, 0, 15, 0xC19BF174CF692694),
Rp512(0, 1, 2, 3, 4, 5, 6, 7, 16, 0xE49B69C19EF14AD2),
Rp512(7, 0, 1, 2, 3, 4, 5, 6, 17, 0xEFBE4786384F25E3),
Rp512(6, 7, 0, 1, 2, 3, 4, 5, 18, 0x0FC19DC68B8CD5B5),
Rp512(5, 6, 7, 0, 1, 2, 3, 4, 19, 0x240CA1CC77AC9C65),
Rp512(4, 5, 6, 7, 0, 1, 2, 3, 20, 0x2DE92C6F592B0275),
Rp512(3, 4, 5, 6, 7, 0, 1, 2, 21, 0x4A7484AA6EA6E483),
Rp512(2, 3, 4, 5, 6, 7, 0, 1, 22, 0x5CB0A9DCBD41FBD4),
Rp512(1, 2, 3, 4, 5, 6, 7, 0, 23, 0x76F988DA831153B5),
Rp512(0, 1, 2, 3, 4, 5, 6, 7, 24, 0x983E5152EE66DFAB),
Rp512(7, 0, 1, 2, 3, 4, 5, 6, 25, 0xA831C66D2DB43210),
Rp512(6, 7, 0, 1, 2, 3, 4, 5, 26, 0xB00327C898FB213F),
Rp512(5, 6, 7, 0, 1, 2, 3, 4, 27, 0xBF597FC7BEEF0EE4),
Rp512(4, 5, 6, 7, 0, 1, 2, 3, 28, 0xC6E00BF33DA88FC2),
Rp512(3, 4, 5, 6, 7, 0, 1, 2, 29, 0xD5A79147930AA725),
Rp512(2, 3, 4, 5, 6, 7, 0, 1, 30, 0x06CA6351E003826F),
Rp512(1, 2, 3, 4, 5, 6, 7, 0, 31, 0x142929670A0E6E70),
Rp512(0, 1, 2, 3, 4, 5, 6, 7, 32, 0x27B70A8546D22FFC),
Rp512(7, 0, 1, 2, 3, 4, 5, 6, 33, 0x2E1B21385C26C926),
Rp512(6, 7, 0, 1, 2, 3, 4, 5, 34, 0x4D2C6DFC5AC42AED),
Rp512(5, 6, 7, 0, 1, 2, 3, 4, 35, 0x53380D139D95B3DF),
Rp512(4, 5, 6, 7, 0, 1, 2, 3, 36, 0x650A73548BAF63DE),
Rp512(3, 4, 5, 6, 7, 0, 1, 2, 37, 0x766A0ABB3C77B2A8),
Rp512(2, 3, 4, 5, 6, 7, 0, 1, 38, 0x81C2C92E47EDAEE6),
Rp512(1, 2, 3, 4, 5, 6, 7, 0, 39, 0x92722C851482353B),
Rp512(0, 1, 2, 3, 4, 5, 6, 7, 40, 0xA2BFE8A14CF10364),
Rp512(7, 0, 1, 2, 3, 4, 5, 6, 41, 0xA81A664BBC423001),
Rp512(6, 7, 0, 1, 2, 3, 4, 5, 42, 0xC24B8B70D0F89791),
Rp512(5, 6, 7, 0, 1, 2, 3, 4, 43, 0xC76C51A30654BE30),
Rp512(4, 5, 6, 7, 0, 1, 2, 3, 44, 0xD192E819D6EF5218),
Rp512(3, 4, 5, 6, 7, 0, 1, 2, 45, 0xD69906245565A910),
Rp512(2, 3, 4, 5, 6, 7, 0, 1, 46, 0xF40E35855771202A),
Rp512(1, 2, 3, 4, 5, 6, 7, 0, 47, 0x106AA07032BBD1B8),
Rp512(0, 1, 2, 3, 4, 5, 6, 7, 48, 0x19A4C116B8D2D0C8),
Rp512(7, 0, 1, 2, 3, 4, 5, 6, 49, 0x1E376C085141AB53),
Rp512(6, 7, 0, 1, 2, 3, 4, 5, 50, 0x2748774CDF8EEB99),
Rp512(5, 6, 7, 0, 1, 2, 3, 4, 51, 0x34B0BCB5E19B48A8),
Rp512(4, 5, 6, 7, 0, 1, 2, 3, 52, 0x391C0CB3C5C95A63),
Rp512(3, 4, 5, 6, 7, 0, 1, 2, 53, 0x4ED8AA4AE3418ACB),
Rp512(2, 3, 4, 5, 6, 7, 0, 1, 54, 0x5B9CCA4F7763E373),
Rp512(1, 2, 3, 4, 5, 6, 7, 0, 55, 0x682E6FF3D6B2B8A3),
Rp512(0, 1, 2, 3, 4, 5, 6, 7, 56, 0x748F82EE5DEFB2FC),
Rp512(7, 0, 1, 2, 3, 4, 5, 6, 57, 0x78A5636F43172F60),
Rp512(6, 7, 0, 1, 2, 3, 4, 5, 58, 0x84C87814A1F0AB72),
Rp512(5, 6, 7, 0, 1, 2, 3, 4, 59, 0x8CC702081A6439EC),
Rp512(4, 5, 6, 7, 0, 1, 2, 3, 60, 0x90BEFFFA23631E28),
Rp512(3, 4, 5, 6, 7, 0, 1, 2, 61, 0xA4506CEBDE82BDE9),
Rp512(2, 3, 4, 5, 6, 7, 0, 1, 62, 0xBEF9A3F7B2C67915),
Rp512(1, 2, 3, 4, 5, 6, 7, 0, 63, 0xC67178F2E372532B),
Rp512(0, 1, 2, 3, 4, 5, 6, 7, 64, 0xCA273ECEEA26619C),
Rp512(7, 0, 1, 2, 3, 4, 5, 6, 65, 0xD186B8C721C0C207),
Rp512(6, 7, 0, 1, 2, 3, 4, 5, 66, 0xEADA7DD6CDE0EB1E),
Rp512(5, 6, 7, 0, 1, 2, 3, 4, 67, 0xF57D4F7FEE6ED178),
Rp512(4, 5, 6, 7, 0, 1, 2, 3, 68, 0x06F067AA72176FBA),
Rp512(3, 4, 5, 6, 7, 0, 1, 2, 69, 0x0A637DC5A2C898A6),
Rp512(2, 3, 4, 5, 6, 7, 0, 1, 70, 0x113F9804BEF90DAE),
Rp512(1, 2, 3, 4, 5, 6, 7, 0, 71, 0x1B710B35131C471B),
Rp512(0, 1, 2, 3, 4, 5, 6, 7, 72, 0x28DB77F523047D84),
Rp512(7, 0, 1, 2, 3, 4, 5, 6, 73, 0x32CAAB7B40C72493),
Rp512(6, 7, 0, 1, 2, 3, 4, 5, 74, 0x3C9EBE0A15C9BEBC),
Rp512(5, 6, 7, 0, 1, 2, 3, 4, 75, 0x431D67C49C100D4C),
Rp512(4, 5, 6, 7, 0, 1, 2, 3, 76, 0x4CC5D4BECB3E42B6),
Rp512(3, 4, 5, 6, 7, 0, 1, 2, 77, 0x597F299CFC657E2A),
Rp512(2, 3, 4, 5, 6, 7, 0, 1, 78, 0x5FCB6FAB3AD6FAEC),
Rp512(1, 2, 3, 4, 5, 6, 7, 0, 79, 0x6C44198C4A475817),
};
inline for (round0) |r| {
v[r.h] = v[r.h] +% (math.rotr(u64, v[r.e], @as(u64, 14)) ^ math.rotr(u64, v[r.e], @as(u64, 18)) ^ math.rotr(u64, v[r.e], @as(u64, 41))) +% (v[r.g] ^ (v[r.e] & (v[r.f] ^ v[r.g]))) +% r.k +% s[r.i];
v[r.d] = v[r.d] +% v[r.h];
v[r.h] = v[r.h] +% (math.rotr(u64, v[r.a], @as(u64, 28)) ^ math.rotr(u64, v[r.a], @as(u64, 34)) ^ math.rotr(u64, v[r.a], @as(u64, 39))) +% ((v[r.a] & (v[r.b] | v[r.c])) | (v[r.b] & v[r.c]));
}
d.s[0] +%= v[0];
d.s[1] +%= v[1];
d.s[2] +%= v[2];
d.s[3] +%= v[3];
d.s[4] +%= v[4];
d.s[5] +%= v[5];
d.s[6] +%= v[6];
d.s[7] +%= v[7];
}
};
}
test "sha384 single" {
const h1 = "38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b";
htest.assertEqualHash(Sha384, h1, "");
const h2 = "cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7";
htest.assertEqualHash(Sha384, h2, "abc");
const h3 = "09330c33f71147e83d192fc782cd1b4753111b173b3b05d22fa08086e3b0f712fcc7c71a557e2db966c3e9fa91746039";
htest.assertEqualHash(Sha384, h3, "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu");
}
test "sha384 streaming" {
var h = Sha384.init();
var out: [48]u8 = undefined;
const h1 = "38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b";
h.final(out[0..]);
htest.assertEqual(h1, out[0..]);
const h2 = "cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7";
h.reset();
h.update("abc");
h.final(out[0..]);
htest.assertEqual(h2, out[0..]);
h.reset();
h.update("a");
h.update("b");
h.update("c");
h.final(out[0..]);
htest.assertEqual(h2, out[0..]);
}
test "sha512 single" {
const h1 = "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e";
htest.assertEqualHash(Sha512, h1, "");
const h2 = "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f";
htest.assertEqualHash(Sha512, h2, "abc");
const h3 = "8e959b75dae313da8cf4f72814fc143f8f7779c6eb9f7fa17299aeadb6889018501d289e4900f7e4331b99dec4b5433ac7d329eeb6dd26545e96e55b874be909";
htest.assertEqualHash(Sha512, h3, "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu");
}
test "sha512 streaming" {
var h = Sha512.init();
var out: [64]u8 = undefined;
const h1 = "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e";
h.final(out[0..]);
htest.assertEqual(h1, out[0..]);
const h2 = "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f";
h.reset();
h.update("abc");
h.final(out[0..]);
htest.assertEqual(h2, out[0..]);
h.reset();
h.update("a");
h.update("b");
h.update("c");
h.final(out[0..]);
htest.assertEqual(h2, out[0..]);
}
test "sha512 aligned final" {
var block = [_]u8{0} ** Sha512.block_length;
var out: [Sha512.digest_length]u8 = undefined;
var h = Sha512.init();
h.update(&block);
h.final(out[0..]);
}