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compute blake2 at compile time

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Mantas Jonytis
2020-08-01 16:00:22 +03:00
parent 1ae40146e6
commit 42dd737c9e
1 changed files with 26 additions and 20 deletions
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46
lib/std/crypto/blake2.zig
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@@ -123,7 +123,7 @@ fn Blake2s(comptime out_len: usize) type {
const rr = d.h[0 .. out_len / 32];
for (rr) |s, j| {
mem.writeIntLittle(u32, out[4 * j ..][0..4], s);
mem.writeIntSliceLittle(u32, out[4 * j ..], s);
}
}
@@ -296,19 +296,22 @@ test "blake2s256 streaming" {
htest.assertEqual(h3, out[0..]);
}
test "blake2s256 aligned final" {
var block = [_]u8{0} ** Blake2s256.block_length;
var out: [Blake2s256.digest_length]u8 = undefined;
test "comptime blake2s256" {
comptime {
@setEvalBranchQuota(8000);
var block = [_]u8{0} ** Blake2s256.block_length;
var out: [Blake2s256.digest_length]u8 = undefined;
const h1 = "ae09db7cd54f42b490ef09b6bc541af688e4959bb8c53f359a6f56e38ab454a3";
const h1 = "ae09db7cd54f42b490ef09b6bc541af688e4959bb8c53f359a6f56e38ab454a3";
htest.assertEqualHash(Blake2s256, h1, block[0..]);
htest.assertEqualHash(Blake2s256, h1, block[0..]);
var h = Blake2s256.init();
h.update(&block);
h.final(out[0..]);
var h = Blake2s256.init();
h.update(&block);
h.final(out[0..]);
htest.assertEqual(h1, out[0..]);
htest.assertEqual(h1, out[0..]);
}
}
/////////////////////
@@ -409,7 +412,7 @@ fn Blake2b(comptime out_len: usize) type {
const rr = d.h[0 .. out_len / 64];
for (rr) |s, j| {
mem.writeIntLittle(u64, out[8 * j ..][0..8], s);
mem.writeIntSliceLittle(u64, out[8 * j ..], s);
}
}
@@ -582,17 +585,20 @@ test "blake2b512 streaming" {
htest.assertEqual(h3, out[0..]);
}
test "blake2b512 aligned final" {
var block = [_]u8{0} ** Blake2b512.block_length;
var out: [Blake2b512.digest_length]u8 = undefined;
test "comptime blake2b512" {
comptime {
@setEvalBranchQuota(8000);
var block = [_]u8{0} ** Blake2b512.block_length;
var out: [Blake2b512.digest_length]u8 = undefined;
const h1 = "865939e120e6805438478841afb739ae4250cf372653078a065cdcfffca4caf798e6d462b65d658fc165782640eded70963449ae1500fb0f24981d7727e22c41";
const h1 = "865939e120e6805438478841afb739ae4250cf372653078a065cdcfffca4caf798e6d462b65d658fc165782640eded70963449ae1500fb0f24981d7727e22c41";
htest.assertEqualHash(Blake2b512, h1, block[0..]);
htest.assertEqualHash(Blake2b512, h1, block[0..]);
var h = Blake2b512.init();
h.update(&block);
h.final(out[0..]);
var h = Blake2b512.init();
h.update(&block);
h.final(out[0..]);
htest.assertEqual(h1, out[0..]);
htest.assertEqual(h1, out[0..]);
}
}