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sm4: ppc64x expand key debug 1

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Sun Yimin 2024-09-10 17:38:12 +08:00 committed by GitHub
parent 742bdcc1aa
commit c21ab2d9c8
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 15 additions and 11 deletions
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26
sm4/asm_ppc64x.s
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@ -151,7 +151,7 @@ TEXT ·expandKeyAsm(SB),NOSPLIT,$0
LVX (R4), ESPERMW
#endif
MOVD $·rcon+0x50(SB), R4
LXVD2X (R4)(R0), REVERSE_WORDS
LXVD2X (R4)(R0), REVERSE_WORDS
MOVD $16, R3
LXVD2X (R4)(R3), NIBBLE_MASK
MOVD $32, R3
@ -173,32 +173,36 @@ TEXT ·expandKeyAsm(SB),NOSPLIT,$0
ADD $112, R6
// prepare counter
MOVD $8, R7
MOVD R7, CTR
// MOVD $8, R7
// MOVD R7, CTR
VSPLTISB $0, V6 // VZERO V6
// load key
PPC64X_LXVW4X(R3, R0, V0)
VSLDOI $4, V0, V0, V1
VSLDOI $4, V1, V1, V2
VSLDOI $4, V2, V2, V3
VSLDOI $4, V0, V6, V1
VSLDOI $4, V1, V6, V2
VSLDOI $4, V2, V6, V3
ksLoop:
VSPLTISB $0, V5 // VZERO V5
LXVW4X (R4), V4
SM4_EXPANDKEY_ROUND(V4, V7, V8, V9, V0, V1, V2, V3, V5)
VSLDOI $4, V4, V4, V4
VSLDOI $4, V4, V6, V4
SM4_EXPANDKEY_ROUND(V4, V7, V8, V9, V1, V2, V3, V0, V5)
VSLDOI $4, V4, V4, V4
VSLDOI $4, V4, V6, V4
SM4_EXPANDKEY_ROUND(V4, V7, V8, V9, V2, V3, V0, V1, V5)
VSLDOI $4, V4, V4, V4
VSLDOI $4, V4, V6, V4
SM4_EXPANDKEY_ROUND(V4, V7, V8, V9, V3, V0, V1, V2, V5)
STXVW4X V5, (R5)
VPERM V5, V5, REVERSE_WORDS, V5
VPERM V5, V6, REVERSE_WORDS, V5
STXVW4X V5, (R6)
/*
ADD $16, R5
ADD $16, R4
ADD $-16, R6
BDNZ ksLoop
*/
RET
// func encryptBlocksAsm(xk *uint32, dst, src []byte, inst int)