diff options
Diffstat (limited to 'src/pkg/crypto/sha256/sha256block_amd64.s')
| -rw-r--r-- | src/pkg/crypto/sha256/sha256block_amd64.s | 256 |
1 files changed, 0 insertions, 256 deletions
diff --git a/src/pkg/crypto/sha256/sha256block_amd64.s b/src/pkg/crypto/sha256/sha256block_amd64.s deleted file mode 100644 index 95aebbe76..000000000 --- a/src/pkg/crypto/sha256/sha256block_amd64.s +++ /dev/null @@ -1,256 +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. - -#include "../../../cmd/ld/textflag.h" - -// SHA256 block routine. See sha256block.go for Go equivalent. -// -// The algorithm is detailed in FIPS 180-4: -// -// http://csrc.nist.gov/publications/fips/fips180-4/fips-180-4.pdf -// -// Wt = Mt; for 0 <= t <= 15 -// Wt = SIGMA1(Wt-2) + SIGMA0(Wt-15) + Wt-16; for 16 <= t <= 63 -// -// a = H0 -// b = H1 -// c = H2 -// d = H3 -// e = H4 -// f = H5 -// g = H6 -// h = H7 -// -// for t = 0 to 63 { -// T1 = h + BIGSIGMA1(e) + Ch(e,f,g) + Kt + Wt -// T2 = BIGSIGMA0(a) + Maj(a,b,c) -// h = g -// g = f -// f = e -// e = d + T1 -// d = c -// c = b -// b = a -// a = T1 + T2 -// } -// -// H0 = a + H0 -// H1 = b + H1 -// H2 = c + H2 -// H3 = d + H3 -// H4 = e + H4 -// H5 = f + H5 -// H6 = g + H6 -// H7 = h + H7 - -// Wt = Mt; for 0 <= t <= 15 -#define MSGSCHEDULE0(index) \ - MOVL (index*4)(SI), AX; \ - BSWAPL AX; \ - MOVL AX, (index*4)(BP) - -// Wt = SIGMA1(Wt-2) + Wt-7 + SIGMA0(Wt-15) + Wt-16; for 16 <= t <= 63 -// SIGMA0(x) = ROTR(7,x) XOR ROTR(18,x) XOR SHR(3,x) -// SIGMA1(x) = ROTR(17,x) XOR ROTR(19,x) XOR SHR(10,x) -#define MSGSCHEDULE1(index) \ - MOVL ((index-2)*4)(BP), AX; \ - MOVL AX, CX; \ - RORL $17, AX; \ - MOVL CX, DX; \ - RORL $19, CX; \ - SHRL $10, DX; \ - MOVL ((index-15)*4)(BP), BX; \ - XORL CX, AX; \ - MOVL BX, CX; \ - XORL DX, AX; \ - RORL $7, BX; \ - MOVL CX, DX; \ - SHRL $3, DX; \ - RORL $18, CX; \ - ADDL ((index-7)*4)(BP), AX; \ - XORL CX, BX; \ - XORL DX, BX; \ - ADDL ((index-16)*4)(BP), BX; \ - ADDL BX, AX; \ - MOVL AX, ((index)*4)(BP) - -// Calculate T1 in AX - uses AX, CX and DX registers. -// h is also used as an accumulator. Wt is passed in AX. -// T1 = h + BIGSIGMA1(e) + Ch(e, f, g) + Kt + Wt -// BIGSIGMA1(x) = ROTR(6,x) XOR ROTR(11,x) XOR ROTR(25,x) -// Ch(x, y, z) = (x AND y) XOR (NOT x AND z) -#define SHA256T1(const, e, f, g, h) \ - ADDL AX, h; \ - MOVL e, AX; \ - ADDL $const, h; \ - MOVL e, CX; \ - RORL $6, AX; \ - MOVL e, DX; \ - RORL $11, CX; \ - XORL CX, AX; \ - MOVL e, CX; \ - RORL $25, DX; \ - ANDL f, CX; \ - XORL AX, DX; \ - MOVL e, AX; \ - NOTL AX; \ - ADDL DX, h; \ - ANDL g, AX; \ - XORL CX, AX; \ - ADDL h, AX - -// Calculate T2 in BX - uses BX, CX, DX and DI registers. -// T2 = BIGSIGMA0(a) + Maj(a, b, c) -// BIGSIGMA0(x) = ROTR(2,x) XOR ROTR(13,x) XOR ROTR(22,x) -// Maj(x, y, z) = (x AND y) XOR (x AND z) XOR (y AND z) -#define SHA256T2(a, b, c) \ - MOVL a, DI; \ - MOVL c, BX; \ - RORL $2, DI; \ - MOVL a, DX; \ - ANDL b, BX; \ - RORL $13, DX; \ - MOVL a, CX; \ - ANDL c, CX; \ - XORL DX, DI; \ - XORL CX, BX; \ - MOVL a, DX; \ - MOVL b, CX; \ - RORL $22, DX; \ - ANDL a, CX; \ - XORL CX, BX; \ - XORL DX, DI; \ - ADDL DI, BX - -// Calculate T1 and T2, then e = d + T1 and a = T1 + T2. -// The values for e and a are stored in d and h, ready for rotation. -#define SHA256ROUND(index, const, a, b, c, d, e, f, g, h) \ - SHA256T1(const, e, f, g, h); \ - SHA256T2(a, b, c); \ - MOVL BX, h; \ - ADDL AX, d; \ - ADDL AX, h - -#define SHA256ROUND0(index, const, a, b, c, d, e, f, g, h) \ - MSGSCHEDULE0(index); \ - SHA256ROUND(index, const, a, b, c, d, e, f, g, h) - -#define SHA256ROUND1(index, const, a, b, c, d, e, f, g, h) \ - MSGSCHEDULE1(index); \ - SHA256ROUND(index, const, a, b, c, d, e, f, g, h) - -TEXT ·block(SB),0,$264-32 - MOVQ p_base+8(FP), SI - MOVQ p_len+16(FP), DX - SHRQ $6, DX - SHLQ $6, DX - - LEAQ (SI)(DX*1), DI - MOVQ DI, 256(SP) - CMPQ SI, DI - JEQ end - - MOVQ dig+0(FP), BP - MOVL (0*4)(BP), R8 // a = H0 - MOVL (1*4)(BP), R9 // b = H1 - MOVL (2*4)(BP), R10 // c = H2 - MOVL (3*4)(BP), R11 // d = H3 - MOVL (4*4)(BP), R12 // e = H4 - MOVL (5*4)(BP), R13 // f = H5 - MOVL (6*4)(BP), R14 // g = H6 - MOVL (7*4)(BP), R15 // h = H7 - -loop: - MOVQ SP, BP // message schedule - - SHA256ROUND0(0, 0x428a2f98, R8, R9, R10, R11, R12, R13, R14, R15) - SHA256ROUND0(1, 0x71374491, R15, R8, R9, R10, R11, R12, R13, R14) - SHA256ROUND0(2, 0xb5c0fbcf, R14, R15, R8, R9, R10, R11, R12, R13) - SHA256ROUND0(3, 0xe9b5dba5, R13, R14, R15, R8, R9, R10, R11, R12) - SHA256ROUND0(4, 0x3956c25b, R12, R13, R14, R15, R8, R9, R10, R11) - SHA256ROUND0(5, 0x59f111f1, R11, R12, R13, R14, R15, R8, R9, R10) - SHA256ROUND0(6, 0x923f82a4, R10, R11, R12, R13, R14, R15, R8, R9) - SHA256ROUND0(7, 0xab1c5ed5, R9, R10, R11, R12, R13, R14, R15, R8) - SHA256ROUND0(8, 0xd807aa98, R8, R9, R10, R11, R12, R13, R14, R15) - SHA256ROUND0(9, 0x12835b01, R15, R8, R9, R10, R11, R12, R13, R14) - SHA256ROUND0(10, 0x243185be, R14, R15, R8, R9, R10, R11, R12, R13) - SHA256ROUND0(11, 0x550c7dc3, R13, R14, R15, R8, R9, R10, R11, R12) - SHA256ROUND0(12, 0x72be5d74, R12, R13, R14, R15, R8, R9, R10, R11) - SHA256ROUND0(13, 0x80deb1fe, R11, R12, R13, R14, R15, R8, R9, R10) - SHA256ROUND0(14, 0x9bdc06a7, R10, R11, R12, R13, R14, R15, R8, R9) - SHA256ROUND0(15, 0xc19bf174, R9, R10, R11, R12, R13, R14, R15, R8) - - SHA256ROUND1(16, 0xe49b69c1, R8, R9, R10, R11, R12, R13, R14, R15) - SHA256ROUND1(17, 0xefbe4786, R15, R8, R9, R10, R11, R12, R13, R14) - SHA256ROUND1(18, 0x0fc19dc6, R14, R15, R8, R9, R10, R11, R12, R13) - SHA256ROUND1(19, 0x240ca1cc, R13, R14, R15, R8, R9, R10, R11, R12) - SHA256ROUND1(20, 0x2de92c6f, R12, R13, R14, R15, R8, R9, R10, R11) - SHA256ROUND1(21, 0x4a7484aa, R11, R12, R13, R14, R15, R8, R9, R10) - SHA256ROUND1(22, 0x5cb0a9dc, R10, R11, R12, R13, R14, R15, R8, R9) - SHA256ROUND1(23, 0x76f988da, R9, R10, R11, R12, R13, R14, R15, R8) - SHA256ROUND1(24, 0x983e5152, R8, R9, R10, R11, R12, R13, R14, R15) - SHA256ROUND1(25, 0xa831c66d, R15, R8, R9, R10, R11, R12, R13, R14) - SHA256ROUND1(26, 0xb00327c8, R14, R15, R8, R9, R10, R11, R12, R13) - SHA256ROUND1(27, 0xbf597fc7, R13, R14, R15, R8, R9, R10, R11, R12) - SHA256ROUND1(28, 0xc6e00bf3, R12, R13, R14, R15, R8, R9, R10, R11) - SHA256ROUND1(29, 0xd5a79147, R11, R12, R13, R14, R15, R8, R9, R10) - SHA256ROUND1(30, 0x06ca6351, R10, R11, R12, R13, R14, R15, R8, R9) - SHA256ROUND1(31, 0x14292967, R9, R10, R11, R12, R13, R14, R15, R8) - SHA256ROUND1(32, 0x27b70a85, R8, R9, R10, R11, R12, R13, R14, R15) - SHA256ROUND1(33, 0x2e1b2138, R15, R8, R9, R10, R11, R12, R13, R14) - SHA256ROUND1(34, 0x4d2c6dfc, R14, R15, R8, R9, R10, R11, R12, R13) - SHA256ROUND1(35, 0x53380d13, R13, R14, R15, R8, R9, R10, R11, R12) - SHA256ROUND1(36, 0x650a7354, R12, R13, R14, R15, R8, R9, R10, R11) - SHA256ROUND1(37, 0x766a0abb, R11, R12, R13, R14, R15, R8, R9, R10) - SHA256ROUND1(38, 0x81c2c92e, R10, R11, R12, R13, R14, R15, R8, R9) - SHA256ROUND1(39, 0x92722c85, R9, R10, R11, R12, R13, R14, R15, R8) - SHA256ROUND1(40, 0xa2bfe8a1, R8, R9, R10, R11, R12, R13, R14, R15) - SHA256ROUND1(41, 0xa81a664b, R15, R8, R9, R10, R11, R12, R13, R14) - SHA256ROUND1(42, 0xc24b8b70, R14, R15, R8, R9, R10, R11, R12, R13) - SHA256ROUND1(43, 0xc76c51a3, R13, R14, R15, R8, R9, R10, R11, R12) - SHA256ROUND1(44, 0xd192e819, R12, R13, R14, R15, R8, R9, R10, R11) - SHA256ROUND1(45, 0xd6990624, R11, R12, R13, R14, R15, R8, R9, R10) - SHA256ROUND1(46, 0xf40e3585, R10, R11, R12, R13, R14, R15, R8, R9) - SHA256ROUND1(47, 0x106aa070, R9, R10, R11, R12, R13, R14, R15, R8) - SHA256ROUND1(48, 0x19a4c116, R8, R9, R10, R11, R12, R13, R14, R15) - SHA256ROUND1(49, 0x1e376c08, R15, R8, R9, R10, R11, R12, R13, R14) - SHA256ROUND1(50, 0x2748774c, R14, R15, R8, R9, R10, R11, R12, R13) - SHA256ROUND1(51, 0x34b0bcb5, R13, R14, R15, R8, R9, R10, R11, R12) - SHA256ROUND1(52, 0x391c0cb3, R12, R13, R14, R15, R8, R9, R10, R11) - SHA256ROUND1(53, 0x4ed8aa4a, R11, R12, R13, R14, R15, R8, R9, R10) - SHA256ROUND1(54, 0x5b9cca4f, R10, R11, R12, R13, R14, R15, R8, R9) - SHA256ROUND1(55, 0x682e6ff3, R9, R10, R11, R12, R13, R14, R15, R8) - SHA256ROUND1(56, 0x748f82ee, R8, R9, R10, R11, R12, R13, R14, R15) - SHA256ROUND1(57, 0x78a5636f, R15, R8, R9, R10, R11, R12, R13, R14) - SHA256ROUND1(58, 0x84c87814, R14, R15, R8, R9, R10, R11, R12, R13) - SHA256ROUND1(59, 0x8cc70208, R13, R14, R15, R8, R9, R10, R11, R12) - SHA256ROUND1(60, 0x90befffa, R12, R13, R14, R15, R8, R9, R10, R11) - SHA256ROUND1(61, 0xa4506ceb, R11, R12, R13, R14, R15, R8, R9, R10) - SHA256ROUND1(62, 0xbef9a3f7, R10, R11, R12, R13, R14, R15, R8, R9) - SHA256ROUND1(63, 0xc67178f2, R9, R10, R11, R12, R13, R14, R15, R8) - - MOVQ dig+0(FP), BP - ADDL (0*4)(BP), R8 // H0 = a + H0 - MOVL R8, (0*4)(BP) - ADDL (1*4)(BP), R9 // H1 = b + H1 - MOVL R9, (1*4)(BP) - ADDL (2*4)(BP), R10 // H2 = c + H2 - MOVL R10, (2*4)(BP) - ADDL (3*4)(BP), R11 // H3 = d + H3 - MOVL R11, (3*4)(BP) - ADDL (4*4)(BP), R12 // H4 = e + H4 - MOVL R12, (4*4)(BP) - ADDL (5*4)(BP), R13 // H5 = f + H5 - MOVL R13, (5*4)(BP) - ADDL (6*4)(BP), R14 // H6 = g + H6 - MOVL R14, (6*4)(BP) - ADDL (7*4)(BP), R15 // H7 = h + H7 - MOVL R15, (7*4)(BP) - - ADDQ $64, SI - CMPQ SI, 256(SP) - JB loop - -end: - RET |