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ppc64x, make sure sm4 sbox first

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Sun Yimin 2024-09-11 14:58:51 +08:00 committed by GitHub
parent 942c363ad0
commit b8e15b50af
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GPG Key ID: B5690EEEBB952194
1 changed files with 11 additions and 1 deletions
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sm4/asm_ppc64x.s
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@ -183,6 +183,16 @@ TEXT ·expandKeyAsm(SB),NOSPLIT,$0
VSLDOI $4, V1, V1, V2
VSLDOI $4, V2, V2, V3
VOR ESPERMW, ESPERMW, V5
SM4_SBOX(V5, V7, V8)
STXVW4X V5, (R5)
VOR ESPERMW, ESPERMW, V5
VSRW V5, V_FOUR, V5
VAND NIBBLE_MASK, V5, V5
STXVW4X V5, (R6)
/*
ksLoop:
LXVW4X (R4), V4
SM4_EXPANDKEY_ROUND(V4, V7, V8, V9, V0, V1, V2, V3, V5)
@ -200,7 +210,7 @@ ksLoop:
ADD $16, R4
ADD $-16, R6
BDNZ ksLoop
*/
RET
// func encryptBlocksAsm(xk *uint32, dst, src []byte, inst int)