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crypto.sha512: change hardcoded u64's back to consts

This commit is contained in:
joe-conigliaro 2019-07-18 19:34:05 +10:00 committed by Alexander Medvednikov
parent 53ac6d352f
commit ea2412297d
2 changed files with 33 additions and 166 deletions

View File

@ -73,93 +73,46 @@ mut:
function crypto.Hash function crypto.Hash
} }
// Note: when u64 const is working uncomment this and remove reset() below
// fn (d mut Digest) reset() {
// d.h = [u64(0); 8]
// d.x = [byte(0); Chunk]
// switch d.function {
// case crypto.Hash.SHA384:
// d.h[0] = u64(Init0_384)
// d.h[1] = u64(Init1_384)
// d.h[2] = u64(Init2_384)
// d.h[3] = u64(Init3_384)
// d.h[4] = u64(Init4_384)
// d.h[5] = u64(Init5_384)
// d.h[6] = u64(Init6_384)
// d.h[7] = u64(Init7_384)
// case crypto.Hash.SHA512_224:
// d.h[0] = u64(Init0_224)
// d.h[1] = u64(Init1_224)
// d.h[2] = u64(Init2_224)
// d.h[3] = u64(Init3_224)
// d.h[4] = u64(Init4_224)
// d.h[5] = u64(Init5_224)
// d.h[6] = u64(Init6_224)
// d.h[7] = u64(Init7_224)
// case crypto.Hash.SHA512_256:
// d.h[0] = u64(Init0_256)
// d.h[1] = u64(Init1_256)
// d.h[2] = u64(Init2_256)
// d.h[3] = u64(Init3_256)
// d.h[4] = u64(Init4_256)
// d.h[5] = u64(Init5_256)
// d.h[6] = u64(Init6_256)
// d.h[7] = u64(Init7_256)
// default:
// d.h[0] = u64(Init0)
// d.h[1] = u64(Init1)
// d.h[2] = u64(Init2)
// d.h[3] = u64(Init3)
// d.h[4] = u64(Init4)
// d.h[5] = u64(Init5)
// d.h[6] = u64(Init6)
// d.h[7] = u64(Init7)
// }
// d.nx = 0
// d.len = u64(0)
// }
// Note: when u64 const is working remove this and uncomment above
fn (d mut Digest) reset() { fn (d mut Digest) reset() {
d.h = [u64(0); 8] d.h = [u64(0); 8]
d.x = [byte(0); Chunk] d.x = [byte(0); Chunk]
switch d.function { switch d.function {
case crypto.Hash.SHA384: case crypto.Hash.SHA384:
d.h[0] = u64(0xcbbb9d5dc1059ed8) d.h[0] = u64(Init0_384)
d.h[1] = u64(0x629a292a367cd507) d.h[1] = u64(Init1_384)
d.h[2] = u64(0x9159015a3070dd17) d.h[2] = u64(Init2_384)
d.h[3] = u64(0x152fecd8f70e5939) d.h[3] = u64(Init3_384)
d.h[4] = u64(0x67332667ffc00b31) d.h[4] = u64(Init4_384)
d.h[5] = u64(0x8eb44a8768581511) d.h[5] = u64(Init5_384)
d.h[6] = u64(0xdb0c2e0d64f98fa7) d.h[6] = u64(Init6_384)
d.h[7] = u64(0x47b5481dbefa4fa4) d.h[7] = u64(Init7_384)
case crypto.Hash.SHA512_224: case crypto.Hash.SHA512_224:
d.h[0] = u64(0x8c3d37c819544da2) d.h[0] = u64(Init0_224)
d.h[1] = u64(0x73e1996689dcd4d6) d.h[1] = u64(Init1_224)
d.h[2] = u64(0x1dfab7ae32ff9c82) d.h[2] = u64(Init2_224)
d.h[3] = u64(0x679dd514582f9fcf) d.h[3] = u64(Init3_224)
d.h[4] = u64(0x0f6d2b697bd44da8) d.h[4] = u64(Init4_224)
d.h[5] = u64(0x77e36f7304c48942) d.h[5] = u64(Init5_224)
d.h[6] = u64(0x3f9d85a86a1d36c8) d.h[6] = u64(Init6_224)
d.h[7] = u64(0x1112e6ad91d692a1) d.h[7] = u64(Init7_224)
case crypto.Hash.SHA512_256: case crypto.Hash.SHA512_256:
d.h[0] = u64(0x22312194fc2bf72c) d.h[0] = u64(Init0_256)
d.h[1] = u64(0x9f555fa3c84c64c2) d.h[1] = u64(Init1_256)
d.h[2] = u64(0x2393b86b6f53b151) d.h[2] = u64(Init2_256)
d.h[3] = u64(0x963877195940eabd) d.h[3] = u64(Init3_256)
d.h[4] = u64(0x96283ee2a88effe3) d.h[4] = u64(Init4_256)
d.h[5] = u64(0xbe5e1e2553863992) d.h[5] = u64(Init5_256)
d.h[6] = u64(0x2b0199fc2c85b8aa) d.h[6] = u64(Init6_256)
d.h[7] = u64(0x0eb72ddc81c52ca2) d.h[7] = u64(Init7_256)
default: default:
d.h[0] = u64(0x6a09e667f3bcc908) d.h[0] = u64(Init0)
d.h[1] = u64(0xbb67ae8584caa73b) d.h[1] = u64(Init1)
d.h[2] = u64(0x3c6ef372fe94f82b) d.h[2] = u64(Init2)
d.h[3] = u64(0xa54ff53a5f1d36f1) d.h[3] = u64(Init3)
d.h[4] = u64(0x510e527fade682d1) d.h[4] = u64(Init4)
d.h[5] = u64(0x9b05688c2b3e6c1f) d.h[5] = u64(Init5)
d.h[6] = u64(0x1f83d9abfb41bd6b) d.h[6] = u64(Init6)
d.h[7] = u64(0x5be0cd19137e2179) d.h[7] = u64(Init7)
} }
d.nx = 0 d.nx = 0
d.len = u64(0) d.len = u64(0)

View File

@ -95,90 +95,6 @@ const(
) )
fn block_generic(dig &Digest, p []byte) { fn block_generic(dig &Digest, p []byte) {
// Note: When u64 const is working remove this
_k := [
u64(0x428a2f98d728ae22),
u64(0x7137449123ef65cd),
u64(0xb5c0fbcfec4d3b2f),
u64(0xe9b5dba58189dbbc),
u64(0x3956c25bf348b538),
u64(0x59f111f1b605d019),
u64(0x923f82a4af194f9b),
u64(0xab1c5ed5da6d8118),
u64(0xd807aa98a3030242),
u64(0x12835b0145706fbe),
u64(0x243185be4ee4b28c),
u64(0x550c7dc3d5ffb4e2),
u64(0x72be5d74f27b896f),
u64(0x80deb1fe3b1696b1),
u64(0x9bdc06a725c71235),
u64(0xc19bf174cf692694),
u64(0xe49b69c19ef14ad2),
u64(0xefbe4786384f25e3),
u64(0x0fc19dc68b8cd5b5),
u64(0x240ca1cc77ac9c65),
u64(0x2de92c6f592b0275),
u64(0x4a7484aa6ea6e483),
u64(0x5cb0a9dcbd41fbd4),
u64(0x76f988da831153b5),
u64(0x983e5152ee66dfab),
u64(0xa831c66d2db43210),
u64(0xb00327c898fb213f),
u64(0xbf597fc7beef0ee4),
u64(0xc6e00bf33da88fc2),
u64(0xd5a79147930aa725),
u64(0x06ca6351e003826f),
u64(0x142929670a0e6e70),
u64(0x27b70a8546d22ffc),
u64(0x2e1b21385c26c926),
u64(0x4d2c6dfc5ac42aed),
u64(0x53380d139d95b3df),
u64(0x650a73548baf63de),
u64(0x766a0abb3c77b2a8),
u64(0x81c2c92e47edaee6),
u64(0x92722c851482353b),
u64(0xa2bfe8a14cf10364),
u64(0xa81a664bbc423001),
u64(0xc24b8b70d0f89791),
u64(0xc76c51a30654be30),
u64(0xd192e819d6ef5218),
u64(0xd69906245565a910),
u64(0xf40e35855771202a),
u64(0x106aa07032bbd1b8),
u64(0x19a4c116b8d2d0c8),
u64(0x1e376c085141ab53),
u64(0x2748774cdf8eeb99),
u64(0x34b0bcb5e19b48a8),
u64(0x391c0cb3c5c95a63),
u64(0x4ed8aa4ae3418acb),
u64(0x5b9cca4f7763e373),
u64(0x682e6ff3d6b2b8a3),
u64(0x748f82ee5defb2fc),
u64(0x78a5636f43172f60),
u64(0x84c87814a1f0ab72),
u64(0x8cc702081a6439ec),
u64(0x90befffa23631e28),
u64(0xa4506cebde82bde9),
u64(0xbef9a3f7b2c67915),
u64(0xc67178f2e372532b),
u64(0xca273eceea26619c),
u64(0xd186b8c721c0c207),
u64(0xeada7dd6cde0eb1e),
u64(0xf57d4f7fee6ed178),
u64(0x06f067aa72176fba),
u64(0x0a637dc5a2c898a6),
u64(0x113f9804bef90dae),
u64(0x1b710b35131c471b),
u64(0x28db77f523047d84),
u64(0x32caab7b40c72493),
u64(0x3c9ebe0a15c9bebc),
u64(0x431d67c49c100d4c),
u64(0x4cc5d4becb3e42b6),
u64(0x597f299cfc657e2a),
u64(0x5fcb6fab3ad6faec),
u64(0x6c44198c4a475817)
]
mut w := [u64(0); 80] mut w := [u64(0); 80]
mut h0 := dig.h[0] mut h0 := dig.h[0]
@ -215,9 +131,7 @@ fn block_generic(dig &Digest, p []byte) {
mut h := h7 mut h := h7
for i := 0; i < 80; i++ { for i := 0; i < 80; i++ {
// t1 := h + (u64(u64(e>>u64(14)) | u64(e<<u64(64-14))) ^ u64(u64(e>>u64(18)) | u64(e<<u64(64-18))) ^ u64(u64(e>>u64(41)) | u64(e<<u64(64-41)))) + ((e & f) ^ (~e & g)) + u64(_K[i]) + w[i] t1 := h + (u64(u64(e>>u64(14)) | u64(e<<u64(64-14))) ^ u64(u64(e>>u64(18)) | u64(e<<u64(64-18))) ^ u64(u64(e>>u64(41)) | u64(e<<u64(64-41)))) + ((e & f) ^ (~e & g)) + _K[i] + w[i]
// Note: When u64 const is working replace this line with the one above
t1 := h + (u64(u64(e>>u64(14)) | u64(e<<u64(64-14))) ^ u64(u64(e>>u64(18)) | u64(e<<u64(64-18))) ^ u64(u64(e>>u64(41)) | u64(e<<u64(64-41)))) + ((e & f) ^ (~e & g)) + u64(_k[i]) + w[i]
t2 := (u64(u64(a>>u64(28)) | u64(a<<u64(64-28))) ^ u64(u64(a>>u64(34)) | u64(a<<u64(64-34))) ^ u64(u64(a>>u64(39)) | u64(a<<u64(64-39)))) + ((a & b) ^ (a & c) ^ (b & c)) t2 := (u64(u64(a>>u64(28)) | u64(a<<u64(64-28))) ^ u64(u64(a>>u64(34)) | u64(a<<u64(64-34))) ^ u64(u64(a>>u64(39)) | u64(a<<u64(64-39)))) + ((a & b) ^ (a & c) ^ (b & c))
h = g h = g
g = f g = f