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path: root/src/pkg/crypto/sha256/sha256block.go
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Diffstat (limited to 'src/pkg/crypto/sha256/sha256block.go')
-rw-r--r--src/pkg/crypto/sha256/sha256block.go128
1 files changed, 0 insertions, 128 deletions
diff --git a/src/pkg/crypto/sha256/sha256block.go b/src/pkg/crypto/sha256/sha256block.go
deleted file mode 100644
index ca5efd156..000000000
--- a/src/pkg/crypto/sha256/sha256block.go
+++ /dev/null
@@ -1,128 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build !386,!amd64
-
-// SHA256 block step.
-// In its own file so that a faster assembly or C version
-// can be substituted easily.
-
-package sha256
-
-var _K = []uint32{
- 0x428a2f98,
- 0x71374491,
- 0xb5c0fbcf,
- 0xe9b5dba5,
- 0x3956c25b,
- 0x59f111f1,
- 0x923f82a4,
- 0xab1c5ed5,
- 0xd807aa98,
- 0x12835b01,
- 0x243185be,
- 0x550c7dc3,
- 0x72be5d74,
- 0x80deb1fe,
- 0x9bdc06a7,
- 0xc19bf174,
- 0xe49b69c1,
- 0xefbe4786,
- 0x0fc19dc6,
- 0x240ca1cc,
- 0x2de92c6f,
- 0x4a7484aa,
- 0x5cb0a9dc,
- 0x76f988da,
- 0x983e5152,
- 0xa831c66d,
- 0xb00327c8,
- 0xbf597fc7,
- 0xc6e00bf3,
- 0xd5a79147,
- 0x06ca6351,
- 0x14292967,
- 0x27b70a85,
- 0x2e1b2138,
- 0x4d2c6dfc,
- 0x53380d13,
- 0x650a7354,
- 0x766a0abb,
- 0x81c2c92e,
- 0x92722c85,
- 0xa2bfe8a1,
- 0xa81a664b,
- 0xc24b8b70,
- 0xc76c51a3,
- 0xd192e819,
- 0xd6990624,
- 0xf40e3585,
- 0x106aa070,
- 0x19a4c116,
- 0x1e376c08,
- 0x2748774c,
- 0x34b0bcb5,
- 0x391c0cb3,
- 0x4ed8aa4a,
- 0x5b9cca4f,
- 0x682e6ff3,
- 0x748f82ee,
- 0x78a5636f,
- 0x84c87814,
- 0x8cc70208,
- 0x90befffa,
- 0xa4506ceb,
- 0xbef9a3f7,
- 0xc67178f2,
-}
-
-func block(dig *digest, p []byte) {
- var w [64]uint32
- h0, h1, h2, h3, h4, h5, h6, h7 := dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4], dig.h[5], dig.h[6], dig.h[7]
- for len(p) >= chunk {
- // Can interlace the computation of w with the
- // rounds below if needed for speed.
- for i := 0; i < 16; i++ {
- j := i * 4
- w[i] = uint32(p[j])<<24 | uint32(p[j+1])<<16 | uint32(p[j+2])<<8 | uint32(p[j+3])
- }
- for i := 16; i < 64; i++ {
- v1 := w[i-2]
- t1 := (v1>>17 | v1<<(32-17)) ^ (v1>>19 | v1<<(32-19)) ^ (v1 >> 10)
- v2 := w[i-15]
- t2 := (v2>>7 | v2<<(32-7)) ^ (v2>>18 | v2<<(32-18)) ^ (v2 >> 3)
- w[i] = t1 + w[i-7] + t2 + w[i-16]
- }
-
- a, b, c, d, e, f, g, h := h0, h1, h2, h3, h4, h5, h6, h7
-
- for i := 0; i < 64; i++ {
- t1 := h + ((e>>6 | e<<(32-6)) ^ (e>>11 | e<<(32-11)) ^ (e>>25 | e<<(32-25))) + ((e & f) ^ (^e & g)) + _K[i] + w[i]
-
- t2 := ((a>>2 | a<<(32-2)) ^ (a>>13 | a<<(32-13)) ^ (a>>22 | a<<(32-22))) + ((a & b) ^ (a & c) ^ (b & c))
-
- h = g
- g = f
- f = e
- e = d + t1
- d = c
- c = b
- b = a
- a = t1 + t2
- }
-
- h0 += a
- h1 += b
- h2 += c
- h3 += d
- h4 += e
- h5 += f
- h6 += g
- h7 += h
-
- p = p[chunk:]
- }
-
- dig.h[0], dig.h[1], dig.h[2], dig.h[3], dig.h[4], dig.h[5], dig.h[6], dig.h[7] = h0, h1, h2, h3, h4, h5, h6, h7
-}