mirror of
https://github.com/henrydcase/nobs.git
synced 2024-11-27 01:21:21 +00:00
275 lines
5.4 KiB
ArmAsm
275 lines
5.4 KiB
ArmAsm
|
// Copyright 2012 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 "textflag.h"
|
||
|
|
|
||
|
|
// func encryptBlockAsm(nr int, xk *uint32, dst, src *byte)
|
||
|
|
TEXT ·encryptBlockAsm(SB),NOSPLIT,$0
|
||
|
|
MOVQ nr+0(FP), CX
|
||
|
|
MOVQ xk+8(FP), AX
|
||
|
|
MOVQ dst+16(FP), DX
|
||
|
|
MOVQ src+24(FP), BX
|
||
|
|
MOVUPS 0(AX), X1
|
||
|
|
MOVUPS 0(BX), X0
|
||
|
|
ADDQ $16, AX
|
||
|
|
PXOR X1, X0
|
||
|
|
SUBQ $12, CX
|
||
|
|
JE Lenc196
|
||
|
|
JB Lenc128
|
||
|
|
Lenc256:
|
||
|
|
MOVUPS 0(AX), X1
|
||
|
|
AESENC X1, X0
|
||
|
|
MOVUPS 16(AX), X1
|
||
|
|
AESENC X1, X0
|
||
|
|
ADDQ $32, AX
|
||
|
|
Lenc196:
|
||
|
|
MOVUPS 0(AX), X1
|
||
|
|
AESENC X1, X0
|
||
|
|
MOVUPS 16(AX), X1
|
||
|
|
AESENC X1, X0
|
||
|
|
ADDQ $32, AX
|
||
|
|
Lenc128:
|
||
|
|
MOVUPS 0(AX), X1
|
||
|
|
AESENC X1, X0
|
||
|
|
MOVUPS 16(AX), X1
|
||
|
|
AESENC X1, X0
|
||
|
|
MOVUPS 32(AX), X1
|
||
|
|
AESENC X1, X0
|
||
|
|
MOVUPS 48(AX), X1
|
||
|
|
AESENC X1, X0
|
||
|
|
MOVUPS 64(AX), X1
|
||
|
|
AESENC X1, X0
|
||
|
|
MOVUPS 80(AX), X1
|
||
|
|
AESENC X1, X0
|
||
|
|
MOVUPS 96(AX), X1
|
||
|
|
AESENC X1, X0
|
||
|
|
MOVUPS 112(AX), X1
|
||
|
|
AESENC X1, X0
|
||
|
|
MOVUPS 128(AX), X1
|
||
|
|
AESENC X1, X0
|
||
|
|
MOVUPS 144(AX), X1
|
||
|
|
AESENCLAST X1, X0
|
||
|
|
MOVUPS X0, 0(DX)
|
||
|
|
RET
|
||
|
|
|
||
|
|
// func decryptBlockAsm(nr int, xk *uint32, dst, src *byte)
|
||
|
|
TEXT ·decryptBlockAsm(SB),NOSPLIT,$0
|
||
|
|
MOVQ nr+0(FP), CX
|
||
|
|
MOVQ xk+8(FP), AX
|
||
|
|
MOVQ dst+16(FP), DX
|
||
|
|
MOVQ src+24(FP), BX
|
||
|
|
MOVUPS 0(AX), X1
|
||
|
|
MOVUPS 0(BX), X0
|
||
|
|
ADDQ $16, AX
|
||
|
|
PXOR X1, X0
|
||
|
|
SUBQ $12, CX
|
||
|
|
JE Ldec196
|
||
|
|
JB Ldec128
|
||
|
|
Ldec256:
|
||
|
|
MOVUPS 0(AX), X1
|
||
|
|
AESDEC X1, X0
|
||
|
|
MOVUPS 16(AX), X1
|
||
|
|
AESDEC X1, X0
|
||
|
|
ADDQ $32, AX
|
||
|
|
Ldec196:
|
||
|
|
MOVUPS 0(AX), X1
|
||
|
|
AESDEC X1, X0
|
||
|
|
MOVUPS 16(AX), X1
|
||
|
|
AESDEC X1, X0
|
||
|
|
ADDQ $32, AX
|
||
|
|
Ldec128:
|
||
|
|
MOVUPS 0(AX), X1
|
||
|
|
AESDEC X1, X0
|
||
|
|
MOVUPS 16(AX), X1
|
||
|
|
AESDEC X1, X0
|
||
|
|
MOVUPS 32(AX), X1
|
||
|
|
AESDEC X1, X0
|
||
|
|
MOVUPS 48(AX), X1
|
||
|
|
AESDEC X1, X0
|
||
|
|
MOVUPS 64(AX), X1
|
||
|
|
AESDEC X1, X0
|
||
|
|
MOVUPS 80(AX), X1
|
||
|
|
AESDEC X1, X0
|
||
|
|
MOVUPS 96(AX), X1
|
||
|
|
AESDEC X1, X0
|
||
|
|
MOVUPS 112(AX), X1
|
||
|
|
AESDEC X1, X0
|
||
|
|
MOVUPS 128(AX), X1
|
||
|
|
AESDEC X1, X0
|
||
|
|
MOVUPS 144(AX), X1
|
||
|
|
AESDECLAST X1, X0
|
||
|
|
MOVUPS X0, 0(DX)
|
||
|
|
RET
|
||
|
|
|
||
|
|
// func expandKeyAsm(nr int, key *byte, enc, dec *uint32) {
|
||
|
|
// Note that round keys are stored in uint128 format, not uint32
|
||
|
|
TEXT ·expandKeyAsm(SB),NOSPLIT,$0
|
||
|
|
MOVQ nr+0(FP), CX
|
||
|
|
MOVQ key+8(FP), AX
|
||
|
|
MOVQ enc+16(FP), BX
|
||
|
|
MOVQ dec+24(FP), DX
|
||
|
|
MOVUPS (AX), X0
|
||
|
|
// enc
|
||
|
|
MOVUPS X0, (BX)
|
||
|
|
ADDQ $16, BX
|
||
|
|
PXOR X4, X4 // _expand_key_* expect X4 to be zero
|
||
|
|
CMPL CX, $12
|
||
|
|
JE Lexp_enc196
|
||
|
|
JB Lexp_enc128
|
||
|
|
Lexp_enc256:
|
||
|
|
MOVUPS 16(AX), X2
|
||
|
|
MOVUPS X2, (BX)
|
||
|
|
ADDQ $16, BX
|
||
|
|
AESKEYGENASSIST $0x01, X2, X1
|
||
|
|
CALL _expand_key_256a<>(SB)
|
||
|
|
AESKEYGENASSIST $0x01, X0, X1
|
||
|
|
CALL _expand_key_256b<>(SB)
|
||
|
|
AESKEYGENASSIST $0x02, X2, X1
|
||
|
|
CALL _expand_key_256a<>(SB)
|
||
|
|
AESKEYGENASSIST $0x02, X0, X1
|
||
|
|
CALL _expand_key_256b<>(SB)
|
||
|
|
AESKEYGENASSIST $0x04, X2, X1
|
||
|
|
CALL _expand_key_256a<>(SB)
|
||
|
|
AESKEYGENASSIST $0x04, X0, X1
|
||
|
|
CALL _expand_key_256b<>(SB)
|
||
|
|
AESKEYGENASSIST $0x08, X2, X1
|
||
|
|
CALL _expand_key_256a<>(SB)
|
||
|
|
AESKEYGENASSIST $0x08, X0, X1
|
||
|
|
CALL _expand_key_256b<>(SB)
|
||
|
|
AESKEYGENASSIST $0x10, X2, X1
|
||
|
|
CALL _expand_key_256a<>(SB)
|
||
|
|
AESKEYGENASSIST $0x10, X0, X1
|
||
|
|
CALL _expand_key_256b<>(SB)
|
||
|
|
AESKEYGENASSIST $0x20, X2, X1
|
||
|
|
CALL _expand_key_256a<>(SB)
|
||
|
|
AESKEYGENASSIST $0x20, X0, X1
|
||
|
|
CALL _expand_key_256b<>(SB)
|
||
|
|
AESKEYGENASSIST $0x40, X2, X1
|
||
|
|
CALL _expand_key_256a<>(SB)
|
||
|
|
JMP Lexp_dec
|
||
|
|
Lexp_enc196:
|
||
|
|
MOVQ 16(AX), X2
|
||
|
|
AESKEYGENASSIST $0x01, X2, X1
|
||
|
|
CALL _expand_key_192a<>(SB)
|
||
|
|
AESKEYGENASSIST $0x02, X2, X1
|
||
|
|
CALL _expand_key_192b<>(SB)
|
||
|
|
AESKEYGENASSIST $0x04, X2, X1
|
||
|
|
CALL _expand_key_192a<>(SB)
|
||
|
|
AESKEYGENASSIST $0x08, X2, X1
|
||
|
|
CALL _expand_key_192b<>(SB)
|
||
|
|
AESKEYGENASSIST $0x10, X2, X1
|
||
|
|
CALL _expand_key_192a<>(SB)
|
||
|
|
AESKEYGENASSIST $0x20, X2, X1
|
||
|
|
CALL _expand_key_192b<>(SB)
|
||
|
|
AESKEYGENASSIST $0x40, X2, X1
|
||
|
|
CALL _expand_key_192a<>(SB)
|
||
|
|
AESKEYGENASSIST $0x80, X2, X1
|
||
|
|
CALL _expand_key_192b<>(SB)
|
||
|
|
JMP Lexp_dec
|
||
|
|
Lexp_enc128:
|
||
|
|
AESKEYGENASSIST $0x01, X0, X1
|
||
|
|
CALL _expand_key_128<>(SB)
|
||
|
|
AESKEYGENASSIST $0x02, X0, X1
|
||
|
|
CALL _expand_key_128<>(SB)
|
||
|
|
AESKEYGENASSIST $0x04, X0, X1
|
||
|
|
CALL _expand_key_128<>(SB)
|
||
|
|
AESKEYGENASSIST $0x08, X0, X1
|
||
|
|
CALL _expand_key_128<>(SB)
|
||
|
|
AESKEYGENASSIST $0x10, X0, X1
|
||
|
|
CALL _expand_key_128<>(SB)
|
||
|
|
AESKEYGENASSIST $0x20, X0, X1
|
||
|
|
CALL _expand_key_128<>(SB)
|
||
|
|
AESKEYGENASSIST $0x40, X0, X1
|
||
|
|
CALL _expand_key_128<>(SB)
|
||
|
|
AESKEYGENASSIST $0x80, X0, X1
|
||
|
|
CALL _expand_key_128<>(SB)
|
||
|
|
AESKEYGENASSIST $0x1b, X0, X1
|
||
|
|
CALL _expand_key_128<>(SB)
|
||
|
|
AESKEYGENASSIST $0x36, X0, X1
|
||
|
|
CALL _expand_key_128<>(SB)
|
||
|
|
Lexp_dec:
|
||
|
|
// dec
|
||
|
|
SUBQ $16, BX
|
||
|
|
MOVUPS (BX), X1
|
||
|
|
MOVUPS X1, (DX)
|
||
|
|
DECQ CX
|
||
|
|
Lexp_dec_loop:
|
||
|
|
MOVUPS -16(BX), X1
|
||
|
|
AESIMC X1, X0
|
||
|
|
MOVUPS X0, 16(DX)
|
||
|
|
SUBQ $16, BX
|
||
|
|
ADDQ $16, DX
|
||
|
|
DECQ CX
|
||
|
|
JNZ Lexp_dec_loop
|
||
|
|
MOVUPS -16(BX), X0
|
||
|
|
MOVUPS X0, 16(DX)
|
||
|
|
RET
|
||
|
|
|
||
|
|
TEXT _expand_key_128<>(SB),NOSPLIT,$0
|
||
|
|
PSHUFD $0xff, X1, X1
|
||
|
|
SHUFPS $0x10, X0, X4
|
||
|
|
PXOR X4, X0
|
||
|
|
SHUFPS $0x8c, X0, X4
|
||
|
|
PXOR X4, X0
|
||
|
|
PXOR X1, X0
|
||
|
|
MOVUPS X0, (BX)
|
||
|
|
ADDQ $16, BX
|
||
|
|
RET
|
||
|
|
|
||
|
|
TEXT _expand_key_192a<>(SB),NOSPLIT,$0
|
||
|
|
PSHUFD $0x55, X1, X1
|
||
|
|
SHUFPS $0x10, X0, X4
|
||
|
|
PXOR X4, X0
|
||
|
|
SHUFPS $0x8c, X0, X4
|
||
|
|
PXOR X4, X0
|
||
|
|
PXOR X1, X0
|
||
|
|
|
||
|
|
MOVAPS X2, X5
|
||
|
|
MOVAPS X2, X6
|
||
|
|
PSLLDQ $0x4, X5
|
||
|
|
PSHUFD $0xff, X0, X3
|
||
|
|
PXOR X3, X2
|
||
|
|
PXOR X5, X2
|
||
|
|
|
||
|
|
MOVAPS X0, X1
|
||
|
|
SHUFPS $0x44, X0, X6
|
||
|
|
MOVUPS X6, (BX)
|
||
|
|
SHUFPS $0x4e, X2, X1
|
||
|
|
MOVUPS X1, 16(BX)
|
||
|
|
ADDQ $32, BX
|
||
|
|
RET
|
||
|
|
|
||
|
|
TEXT _expand_key_192b<>(SB),NOSPLIT,$0
|
||
|
|
PSHUFD $0x55, X1, X1
|
||
|
|
SHUFPS $0x10, X0, X4
|
||
|
|
PXOR X4, X0
|
||
|
|
SHUFPS $0x8c, X0, X4
|
||
|
|
PXOR X4, X0
|
||
|
|
PXOR X1, X0
|
||
|
|
|
||
|
|
MOVAPS X2, X5
|
||
|
|
PSLLDQ $0x4, X5
|
||
|
|
PSHUFD $0xff, X0, X3
|
||
|
|
PXOR X3, X2
|
||
|
|
PXOR X5, X2
|
||
|
|
|
||
|
|
MOVUPS X0, (BX)
|
||
|
|
ADDQ $16, BX
|
||
|
|
RET
|
||
|
|
|
||
|
|
TEXT _expand_key_256a<>(SB),NOSPLIT,$0
|
||
|
|
JMP _expand_key_128<>(SB)
|
||
|
|
|
||
|
|
TEXT _expand_key_256b<>(SB),NOSPLIT,$0
|
||
|
|
PSHUFD $0xaa, X1, X1
|
||
|
|
SHUFPS $0x10, X2, X4
|
||
|
|
PXOR X4, X2
|
||
|
|
SHUFPS $0x8c, X2, X4
|
||
|
|
PXOR X4, X2
|
||
|
|
PXOR X1, X2
|
||
|
|
|
||
|
|
MOVUPS X2, (BX)
|
||
|
|
ADDQ $16, BX
|
||
|
|
RET
|