authorgravatar for mantas@jonytis.euMantas Jonytis <mantas@jonytis.eu> 2020-08-01 16:00:22+03:00
committergravatar for mantas@jonytis.euMantas Jonytis <mantas@jonytis.eu> 2020-08-01 16:00:22+03:00
log42dd737c9e23292464f368889d7301bc82c3e648
treeeff9219f438047b1e12755c00f69e97820f82123
parent1ae40146e68720047190f3c5cbd693669bbb1d87

compute blake2 at compile time

1 files changed, 26 insertions(+), 20 deletions(-)

lib/std/crypto/blake2.zig+26-20
......@@ -123,7 +123,7 @@ fn Blake2s(comptime out_len: usize) type {
123123 const rr = d.h[0 .. out_len / 32];
124124
125125 for (rr) |s, j| {
126 mem.writeIntLittle(u32, out[4 * j ..][0..4], s);
126 mem.writeIntSliceLittle(u32, out[4 * j ..], s);
127127 }
128128 }
129129
......@@ -296,19 +296,22 @@ test "blake2s256 streaming" {
296296 htest.assertEqual(h3, out[0..]);
297297}
298298
299test "blake2s256 aligned final" {
300 var block = [_]u8{0} ** Blake2s256.block_length;
301 var out: [Blake2s256.digest_length]u8 = undefined;
299test "comptime blake2s256" {
300 comptime {
301 @setEvalBranchQuota(8000);
302 var block = [_]u8{0} ** Blake2s256.block_length;
303 var out: [Blake2s256.digest_length]u8 = undefined;
302304
303 const h1 = "ae09db7cd54f42b490ef09b6bc541af688e4959bb8c53f359a6f56e38ab454a3";
305 const h1 = "ae09db7cd54f42b490ef09b6bc541af688e4959bb8c53f359a6f56e38ab454a3";
304306
305 htest.assertEqualHash(Blake2s256, h1, block[0..]);
307 htest.assertEqualHash(Blake2s256, h1, block[0..]);
306308
307 var h = Blake2s256.init();
308 h.update(&block);
309 h.final(out[0..]);
309 var h = Blake2s256.init();
310 h.update(&block);
311 h.final(out[0..]);
310312
311 htest.assertEqual(h1, out[0..]);
313 htest.assertEqual(h1, out[0..]);
314 }
312315}
313316
314317/////////////////////
......@@ -409,7 +412,7 @@ fn Blake2b(comptime out_len: usize) type {
409412 const rr = d.h[0 .. out_len / 64];
410413
411414 for (rr) |s, j| {
412 mem.writeIntLittle(u64, out[8 * j ..][0..8], s);
415 mem.writeIntSliceLittle(u64, out[8 * j ..], s);
413416 }
414417 }
415418
......@@ -582,17 +585,20 @@ test "blake2b512 streaming" {
582585 htest.assertEqual(h3, out[0..]);
583586}
584587
585test "blake2b512 aligned final" {
586 var block = [_]u8{0} ** Blake2b512.block_length;
587 var out: [Blake2b512.digest_length]u8 = undefined;
588test "comptime blake2b512" {
589 comptime {
590 @setEvalBranchQuota(8000);
591 var block = [_]u8{0} ** Blake2b512.block_length;
592 var out: [Blake2b512.digest_length]u8 = undefined;
588593
589 const h1 = "865939e120e6805438478841afb739ae4250cf372653078a065cdcfffca4caf798e6d462b65d658fc165782640eded70963449ae1500fb0f24981d7727e22c41";
594 const h1 = "865939e120e6805438478841afb739ae4250cf372653078a065cdcfffca4caf798e6d462b65d658fc165782640eded70963449ae1500fb0f24981d7727e22c41";
590595
591 htest.assertEqualHash(Blake2b512, h1, block[0..]);
596 htest.assertEqualHash(Blake2b512, h1, block[0..]);
592597
593 var h = Blake2b512.init();
594 h.update(&block);
595 h.final(out[0..]);
598 var h = Blake2b512.init();
599 h.update(&block);
600 h.final(out[0..]);
596601
597 htest.assertEqual(h1, out[0..]);
602 htest.assertEqual(h1, out[0..]);
603 }
598604}