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refactoring and fix bug

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Emman 2022-04-29 09:10:16 +08:00
parent 4c131bdeb6
commit f2c249b323
1 changed files with 5 additions and 4 deletions
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9
sm4/asm_arm64.s
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@ -258,7 +258,8 @@ TEXT ·encryptBlocksAsm(SB),NOSPLIT,$0
MOVD xk+0(FP), R8 MOVD xk+0(FP), R8
MOVD dst+8(FP), R9 MOVD dst+8(FP), R9
MOVD src+32(FP), R10 MOVD src+32(FP), R10
MOVD inst+24(FP), R11 MOVD src_len+40(FP), R12
MOVD inst+56(FP), R11
CMP $1, R11 CMP $1, R11
BEQ sm4niblocks BEQ sm4niblocks
@ -337,10 +338,10 @@ encryptBlocksLoop:
sm4niblocks: sm4niblocks:
VLD1.P 64(R8), [V0.S4, V1.S4, V2.S4, V3.S4] VLD1.P 64(R8), [V0.S4, V1.S4, V2.S4, V3.S4]
VLD1.P 64(R8), [V4.S4, V5.S4, V6.S4, V7.S4] VLD1.P 64(R8), [V4.S4, V5.S4, V6.S4, V7.S4]
sm4niblockloop:
SM4E_ROUND() SM4E_ROUND()
SM4E_ROUND() SUB $16, R12, R12 // message length - 16bytes, then compare with 16bytes
SM4E_ROUND() CBNZ R12, sm4niblockloop
SM4E_ROUND()
RET RET
// func encryptBlockAsm(xk *uint32, dst, src *byte, inst int) // func encryptBlockAsm(xk *uint32, dst, src *byte, inst int)