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path: root/src/pkg/crypto/md5/md5block.go
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Diffstat (limited to 'src/pkg/crypto/md5/md5block.go')
-rw-r--r--src/pkg/crypto/md5/md5block.go265
1 files changed, 0 insertions, 265 deletions
diff --git a/src/pkg/crypto/md5/md5block.go b/src/pkg/crypto/md5/md5block.go
deleted file mode 100644
index e2a176777..000000000
--- a/src/pkg/crypto/md5/md5block.go
+++ /dev/null
@@ -1,265 +0,0 @@
-// Copyright 2013 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.
-
-// DO NOT EDIT.
-// Generate with: go run gen.go -full | gofmt >md5block.go
-
-package md5
-
-import (
- "runtime"
- "unsafe"
-)
-
-const x86 = runtime.GOARCH == "amd64" || runtime.GOARCH == "386"
-
-var littleEndian bool
-
-func init() {
- x := uint32(0x04030201)
- y := [4]byte{0x1, 0x2, 0x3, 0x4}
- littleEndian = *(*[4]byte)(unsafe.Pointer(&x)) == y
-}
-
-func blockGeneric(dig *digest, p []byte) {
- a := dig.s[0]
- b := dig.s[1]
- c := dig.s[2]
- d := dig.s[3]
- var X *[16]uint32
- var xbuf [16]uint32
- for len(p) >= chunk {
- aa, bb, cc, dd := a, b, c, d
-
- // This is a constant condition - it is not evaluated on each iteration.
- if x86 {
- // MD5 was designed so that x86 processors can just iterate
- // over the block data directly as uint32s, and we generate
- // less code and run 1.3x faster if we take advantage of that.
- // My apologies.
- X = (*[16]uint32)(unsafe.Pointer(&p[0]))
- } else if littleEndian && uintptr(unsafe.Pointer(&p[0]))&(unsafe.Alignof(uint32(0))-1) == 0 {
- X = (*[16]uint32)(unsafe.Pointer(&p[0]))
- } else {
- X = &xbuf
- j := 0
- for i := 0; i < 16; i++ {
- X[i&15] = uint32(p[j]) | uint32(p[j+1])<<8 | uint32(p[j+2])<<16 | uint32(p[j+3])<<24
- j += 4
- }
- }
-
- // Round 1.
-
- a += (((c ^ d) & b) ^ d) + X[0] + 3614090360
- a = a<<7 | a>>(32-7) + b
-
- d += (((b ^ c) & a) ^ c) + X[1] + 3905402710
- d = d<<12 | d>>(32-12) + a
-
- c += (((a ^ b) & d) ^ b) + X[2] + 606105819
- c = c<<17 | c>>(32-17) + d
-
- b += (((d ^ a) & c) ^ a) + X[3] + 3250441966
- b = b<<22 | b>>(32-22) + c
-
- a += (((c ^ d) & b) ^ d) + X[4] + 4118548399
- a = a<<7 | a>>(32-7) + b
-
- d += (((b ^ c) & a) ^ c) + X[5] + 1200080426
- d = d<<12 | d>>(32-12) + a
-
- c += (((a ^ b) & d) ^ b) + X[6] + 2821735955
- c = c<<17 | c>>(32-17) + d
-
- b += (((d ^ a) & c) ^ a) + X[7] + 4249261313
- b = b<<22 | b>>(32-22) + c
-
- a += (((c ^ d) & b) ^ d) + X[8] + 1770035416
- a = a<<7 | a>>(32-7) + b
-
- d += (((b ^ c) & a) ^ c) + X[9] + 2336552879
- d = d<<12 | d>>(32-12) + a
-
- c += (((a ^ b) & d) ^ b) + X[10] + 4294925233
- c = c<<17 | c>>(32-17) + d
-
- b += (((d ^ a) & c) ^ a) + X[11] + 2304563134
- b = b<<22 | b>>(32-22) + c
-
- a += (((c ^ d) & b) ^ d) + X[12] + 1804603682
- a = a<<7 | a>>(32-7) + b
-
- d += (((b ^ c) & a) ^ c) + X[13] + 4254626195
- d = d<<12 | d>>(32-12) + a
-
- c += (((a ^ b) & d) ^ b) + X[14] + 2792965006
- c = c<<17 | c>>(32-17) + d
-
- b += (((d ^ a) & c) ^ a) + X[15] + 1236535329
- b = b<<22 | b>>(32-22) + c
-
- // Round 2.
-
- a += (((b ^ c) & d) ^ c) + X[(1+5*0)&15] + 4129170786
- a = a<<5 | a>>(32-5) + b
-
- d += (((a ^ b) & c) ^ b) + X[(1+5*1)&15] + 3225465664
- d = d<<9 | d>>(32-9) + a
-
- c += (((d ^ a) & b) ^ a) + X[(1+5*2)&15] + 643717713
- c = c<<14 | c>>(32-14) + d
-
- b += (((c ^ d) & a) ^ d) + X[(1+5*3)&15] + 3921069994
- b = b<<20 | b>>(32-20) + c
-
- a += (((b ^ c) & d) ^ c) + X[(1+5*4)&15] + 3593408605
- a = a<<5 | a>>(32-5) + b
-
- d += (((a ^ b) & c) ^ b) + X[(1+5*5)&15] + 38016083
- d = d<<9 | d>>(32-9) + a
-
- c += (((d ^ a) & b) ^ a) + X[(1+5*6)&15] + 3634488961
- c = c<<14 | c>>(32-14) + d
-
- b += (((c ^ d) & a) ^ d) + X[(1+5*7)&15] + 3889429448
- b = b<<20 | b>>(32-20) + c
-
- a += (((b ^ c) & d) ^ c) + X[(1+5*8)&15] + 568446438
- a = a<<5 | a>>(32-5) + b
-
- d += (((a ^ b) & c) ^ b) + X[(1+5*9)&15] + 3275163606
- d = d<<9 | d>>(32-9) + a
-
- c += (((d ^ a) & b) ^ a) + X[(1+5*10)&15] + 4107603335
- c = c<<14 | c>>(32-14) + d
-
- b += (((c ^ d) & a) ^ d) + X[(1+5*11)&15] + 1163531501
- b = b<<20 | b>>(32-20) + c
-
- a += (((b ^ c) & d) ^ c) + X[(1+5*12)&15] + 2850285829
- a = a<<5 | a>>(32-5) + b
-
- d += (((a ^ b) & c) ^ b) + X[(1+5*13)&15] + 4243563512
- d = d<<9 | d>>(32-9) + a
-
- c += (((d ^ a) & b) ^ a) + X[(1+5*14)&15] + 1735328473
- c = c<<14 | c>>(32-14) + d
-
- b += (((c ^ d) & a) ^ d) + X[(1+5*15)&15] + 2368359562
- b = b<<20 | b>>(32-20) + c
-
- // Round 3.
-
- a += (b ^ c ^ d) + X[(5+3*0)&15] + 4294588738
- a = a<<4 | a>>(32-4) + b
-
- d += (a ^ b ^ c) + X[(5+3*1)&15] + 2272392833
- d = d<<11 | d>>(32-11) + a
-
- c += (d ^ a ^ b) + X[(5+3*2)&15] + 1839030562
- c = c<<16 | c>>(32-16) + d
-
- b += (c ^ d ^ a) + X[(5+3*3)&15] + 4259657740
- b = b<<23 | b>>(32-23) + c
-
- a += (b ^ c ^ d) + X[(5+3*4)&15] + 2763975236
- a = a<<4 | a>>(32-4) + b
-
- d += (a ^ b ^ c) + X[(5+3*5)&15] + 1272893353
- d = d<<11 | d>>(32-11) + a
-
- c += (d ^ a ^ b) + X[(5+3*6)&15] + 4139469664
- c = c<<16 | c>>(32-16) + d
-
- b += (c ^ d ^ a) + X[(5+3*7)&15] + 3200236656
- b = b<<23 | b>>(32-23) + c
-
- a += (b ^ c ^ d) + X[(5+3*8)&15] + 681279174
- a = a<<4 | a>>(32-4) + b
-
- d += (a ^ b ^ c) + X[(5+3*9)&15] + 3936430074
- d = d<<11 | d>>(32-11) + a
-
- c += (d ^ a ^ b) + X[(5+3*10)&15] + 3572445317
- c = c<<16 | c>>(32-16) + d
-
- b += (c ^ d ^ a) + X[(5+3*11)&15] + 76029189
- b = b<<23 | b>>(32-23) + c
-
- a += (b ^ c ^ d) + X[(5+3*12)&15] + 3654602809
- a = a<<4 | a>>(32-4) + b
-
- d += (a ^ b ^ c) + X[(5+3*13)&15] + 3873151461
- d = d<<11 | d>>(32-11) + a
-
- c += (d ^ a ^ b) + X[(5+3*14)&15] + 530742520
- c = c<<16 | c>>(32-16) + d
-
- b += (c ^ d ^ a) + X[(5+3*15)&15] + 3299628645
- b = b<<23 | b>>(32-23) + c
-
- // Round 4.
-
- a += (c ^ (b | ^d)) + X[(7*0)&15] + 4096336452
- a = a<<6 | a>>(32-6) + b
-
- d += (b ^ (a | ^c)) + X[(7*1)&15] + 1126891415
- d = d<<10 | d>>(32-10) + a
-
- c += (a ^ (d | ^b)) + X[(7*2)&15] + 2878612391
- c = c<<15 | c>>(32-15) + d
-
- b += (d ^ (c | ^a)) + X[(7*3)&15] + 4237533241
- b = b<<21 | b>>(32-21) + c
-
- a += (c ^ (b | ^d)) + X[(7*4)&15] + 1700485571
- a = a<<6 | a>>(32-6) + b
-
- d += (b ^ (a | ^c)) + X[(7*5)&15] + 2399980690
- d = d<<10 | d>>(32-10) + a
-
- c += (a ^ (d | ^b)) + X[(7*6)&15] + 4293915773
- c = c<<15 | c>>(32-15) + d
-
- b += (d ^ (c | ^a)) + X[(7*7)&15] + 2240044497
- b = b<<21 | b>>(32-21) + c
-
- a += (c ^ (b | ^d)) + X[(7*8)&15] + 1873313359
- a = a<<6 | a>>(32-6) + b
-
- d += (b ^ (a | ^c)) + X[(7*9)&15] + 4264355552
- d = d<<10 | d>>(32-10) + a
-
- c += (a ^ (d | ^b)) + X[(7*10)&15] + 2734768916
- c = c<<15 | c>>(32-15) + d
-
- b += (d ^ (c | ^a)) + X[(7*11)&15] + 1309151649
- b = b<<21 | b>>(32-21) + c
-
- a += (c ^ (b | ^d)) + X[(7*12)&15] + 4149444226
- a = a<<6 | a>>(32-6) + b
-
- d += (b ^ (a | ^c)) + X[(7*13)&15] + 3174756917
- d = d<<10 | d>>(32-10) + a
-
- c += (a ^ (d | ^b)) + X[(7*14)&15] + 718787259
- c = c<<15 | c>>(32-15) + d
-
- b += (d ^ (c | ^a)) + X[(7*15)&15] + 3951481745
- b = b<<21 | b>>(32-21) + c
-
- a += aa
- b += bb
- c += cc
- d += dd
-
- p = p[chunk:]
- }
-
- dig.s[0] = a
- dig.s[1] = b
- dig.s[2] = c
- dig.s[3] = d
-}
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-30 12:59:44 +0000