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[SM4] arm64 transpose 4*4 matrix

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Emman 2022-01-18 17:56:30 +08:00
parent e3cb95ec66
commit bb54bbcc06
1 changed files with 30 additions and 0 deletions
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30
sm4/gcm_arm64.s
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@ -157,6 +157,28 @@ TEXT ·gcmSm4Finish(SB),NOSPLIT,$0
#undef plen
#undef dlen
#define PRE_TRANSPOSE_MATRIX(t0, t1, t2, t3) \
VMOV t0.S[0], K0.S[0] \
VMOV t0.S[1], K1.S[0] \
VMOV t0.S[2], K2.S[0] \
VMOV t0.S[3], K3.S[0] \
VMOV t1.S[0], K0.S[1] \
VMOV t1.S[1], K1.S[1] \
VMOV t1.S[2], K2.S[1] \
VMOV t1.S[3], K3.S[1] \
VMOV t2.S[0], K0.S[2] \
VMOV t2.S[1], K1.S[2] \
VMOV t2.S[2], K2.S[2] \
VMOV t2.S[3], K3.S[2] \
VMOV t3.S[0], K0.S[3] \
VMOV t3.S[1], K1.S[3] \
VMOV t3.S[2], K2.S[3] \
VMOV t3.S[3], K3.S[3] \
VMOV K0.B16, t0.B16 \
VMOV K1.B16, t1.B16 \
VMOV K2.B16, t2.B16 \
VMOV K3.B16, t3.B16 \
#define TRANSPOSE_MATRIX(t0, t1, t2, t3) \
VMOV t3.S[0], K0.S[0] \
VMOV t2.S[0], K0.S[1] \
@ -572,6 +594,7 @@ encOctetsLoop:
VREV32 B7.B16, B7.B16
// encryption first 4 blocks
PRE_TRANSPOSE_MATRIX(B0, B1, B2, B3)
EOR R13, R13
MOVD rkSave, rk
@ -590,6 +613,7 @@ encOctetsEnc4Blocks1:
VREV32 B3.B16, B3.B16
TRANSPOSE_MATRIX(B0, B1, B2, B3)
// encryption first 4 blocks
PRE_TRANSPOSE_MATRIX(B4, B5, B6, B7)
MOVD rkSave, rk
encOctetsEnc4Blocks2:
@ -669,6 +693,7 @@ encNibblesLoop:
VREV32 B3.B16, B3.B16
// encryption first 4 blocks
PRE_TRANSPOSE_MATRIX(B0, B1, B2, B3)
EOR R13, R13
MOVD rkSave, rk
@ -717,6 +742,7 @@ encStartSingles:
VREV32 B3.B16, B3.B16
// encryption first 4 blocks
PRE_TRANSPOSE_MATRIX(B0, B1, B2, B3)
EOR R13, R13
MOVD rkSave, rk
@ -876,6 +902,7 @@ decOctetsLoop:
VREV32 B7.B16, B7.B16
// encryption first 4 blocks
PRE_TRANSPOSE_MATRIX(B0, B1, B2, B3)
EOR R13, R13
MOVD rkSave, rk
@ -895,6 +922,7 @@ decOctetsEnc4Blocks1:
TRANSPOSE_MATRIX(B0, B1, B2, B3)
// encryption first 4 blocks
PRE_TRANSPOSE_MATRIX(B4, B5, B6, B7)
MOVD rkSave, rk
decOctetsEnc4Blocks2:
@ -975,6 +1003,7 @@ decNibblesLoop:
VREV32 B3.B16, B3.B16
// encryption first 4 blocks
PRE_TRANSPOSE_MATRIX(B0, B1, B2, B3)
EOR R13, R13
MOVD rkSave, rk
@ -1026,6 +1055,7 @@ decStartSingles:
VREV32 B3.B16, B3.B16
// encryption first 4 blocks
PRE_TRANSPOSE_MATRIX(B0, B1, B2, B3)
EOR R13, R13
MOVD rkSave, rk