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gmsm/sm4/asm_arm64.s
Emman b3e82d70c5 Fix error
2021-12-31 11:38:53 +08:00

427 lines
12 KiB
ArmAsm
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#include "textflag.h"
#define x V0
#define y V1
#define t0 V2
#define t1 V3
#define t2 V4
#define t3 V5
#define ZERO V16
#define FLIP_MASK V17
#define XTMP6 V6
#define XTMP7 V7
// shuffle byte order from LE to BE
DATA flip_mask<>+0x00(SB)/8, $0x0405060700010203
DATA flip_mask<>+0x08(SB)/8, $0x0c0d0e0f08090a0b
GLOBL flip_mask<>(SB), RODATA, $16
//nibble mask
DATA nibble_mask<>+0x00(SB)/8, $0x0F0F0F0F0F0F0F0F
DATA nibble_mask<>+0x08(SB)/8, $0x0F0F0F0F0F0F0F0F
GLOBL nibble_mask<>(SB), RODATA, $16
// inverse shift rows
DATA inverse_shift_rows<>+0x00(SB)/8, $0x0B0E0104070A0D00
DATA inverse_shift_rows<>+0x08(SB)/8, $0x0306090C0F020508
GLOBL inverse_shift_rows<>(SB), RODATA, $16
// Affine transform 1 (low and high hibbles)
DATA m1_low<>+0x00(SB)/8, $0x9197E2E474720701
DATA m1_low<>+0x08(SB)/8, $0xC7C1B4B222245157
GLOBL m1_low<>(SB), RODATA, $16
DATA m1_high<>+0x00(SB)/8, $0xE240AB09EB49A200
DATA m1_high<>+0x08(SB)/8, $0xF052B91BF95BB012
GLOBL m1_high<>(SB), RODATA, $16
// Affine transform 2 (low and high hibbles)
DATA m2_low<>+0x00(SB)/8, $0x5B67F2CEA19D0834
DATA m2_low<>+0x08(SB)/8, $0xEDD14478172BBE82
GLOBL m2_low<>(SB), RODATA, $16
DATA m2_high<>+0x00(SB)/8, $0xAE7201DD73AFDC00
DATA m2_high<>+0x08(SB)/8, $0x11CDBE62CC1063BF
GLOBL m2_high<>(SB), RODATA, $16
// left rotations of 32-bit words by 8-bit increments
DATA r08_mask<>+0x00(SB)/8, $0x0605040702010003
DATA r08_mask<>+0x08(SB)/8, $0x0E0D0C0F0A09080B
GLOBL r08_mask<>(SB), RODATA, $16
DATA r16_mask<>+0x00(SB)/8, $0x0504070601000302
DATA r16_mask<>+0x08(SB)/8, $0x0D0C0F0E09080B0A
GLOBL r16_mask<>(SB), RODATA, $16
DATA r24_mask<>+0x00(SB)/8, $0x0407060500030201
DATA r24_mask<>+0x08(SB)/8, $0x0C0F0E0D080B0A09
GLOBL r24_mask<>(SB), RODATA, $16
DATA fk_mask<>+0x00(SB)/8, $0x56aa3350a3b1bac6
DATA fk_mask<>+0x08(SB)/8, $0xb27022dc677d9197
GLOBL fk_mask<>(SB), RODATA, $16
#define SM4_SBOX(x, y) \
; \ //############################# inner affine ############################//
LDP nibble_mask<>(SB), (R0, R1); \
VMOV R0, XTMP6.D[0]; \
VMOV R1, XTMP6.D[1]; \
VAND x.B16, XTMP6.B16, XTMP7.B16; \
LDP m1_low<>(SB), (R0, R1); \
VMOV R0, y.D[0]; \
VMOV R1, y.D[1]; \
VTBL XTMP7.B16, [y.B16], y.B16; \
VUSHR $4, x.D2, x.D2; \
VAND x.B16, XTMP6.B16, XTMP7.B16; \
LDP m1_low<>(SB), (R0, R1); \
VMOV R0, V8.D[0]; \
VMOV R1, V8.D[1]; \
VTBL XTMP7.B16, [V8.B16], XTMP7.B16; \
VEOR y.B16, XTMP7.B16, x.B16; \
LDP inverse_shift_rows<>(SB), (R0, R1); \
VMOV R0, V8.D[0]; \
VMOV R1, V8.D[1]; \
VTBL V8.B16, [x.B16], x.B16; \
AESE ZERO.B16, x.B16; \
VAND x.B16, XTMP6.B16, XTMP7.B16; \
LDP m2_low<>(SB), (R0, R1); \
VMOV R0, y.D[0]; \
VMOV R1, y.D[1]; \
VTBL XTMP7.B16, [y.B16], y.B16; \
VUSHR $4, x.D2, x.D2; \
VAND x.B16, XTMP6.B16, XTMP7.B16; \
LDP m2_high<>(SB), (R0, R1); \
VMOV R0, V8.D[0]; \
VMOV R1, V8.D[1]; \
VTBL XTMP7.B16, [V8.B16], XTMP7.B16; \
VEOR y.B16, XTMP7.B16, x.B16; \
#define SM4_TAO_L1(x, y) \
SM4_SBOX(x, y); \
; \ //#################### 4 parallel L1 linear transforms ##################//
LDP r08_mask<>(SB), (R0, R1); \
VMOV R0, XTMP7.D[0]; \
VMOV R1, XTMP7.D[1]; \
VTBL XTMP7.B16, [x.B16], y.B16; \
VEOR y.B16, x.B16, y.B16; \
LDP r16_mask<>(SB), (R0, R1); \
VMOV R0, V8.D[0]; \
VMOV R1, V8.D[1]; \
VTBL V8.B16, [x.B16], XTMP7.B16; \
VEOR XTMP7.B16, y.B16, y.B16; \
VSHL $2, y.S4, XTMP7.S4; \
VUSHR $32, y.S4, y.S4; \
VEOR y.B16, XTMP7.B16, y.B16; \
LDP r24_mask<>(SB), (R0, R1); \
VMOV R0, V8.D[0]; \
VMOV R1, V8.D[1]; \
VTBL V8.B16, [x.B16], XTMP7.B16; \
VEOR XTMP7.B16, x.B16, x.B16; \
VEOR y.B16, x.B16, x.B16
#define SM4_TAO_L2(x, y) \
SM4_SBOX(x, y); \
; \ //#################### 4 parallel L2 linear transforms ##################//
VSHL $13, x.S4, XTMP6.S4; \
VUSHR $19, x.S4, y.S4; \
VORR XTMP6.B16, y.B16, y.B16; \
VSHL $23, x.S4, XTMP6.S4; \
VUSHR $9, x.S4, XTMP7.S4; \
VORR XTMP6.B16, XTMP7.B16, XTMP7.B16; \
VEOR XTMP7.B16, y.B16, y.B16; \
VEOR x.B16, y.B16, x.B16
// func expandKeyAsm(key *byte, ck, enc, dec *uint32)
TEXT ·expandKeyAsm(SB),NOSPLIT,$0
MOVD key+0(FP), R8
MOVD ck+8(FP), R9
MOVD enc+16(FP), R10
MOVD dec+24(FP), R11
VLD1 (R8), [t0.B16];
LDP flip_mask<>(SB), (R0, R1)
VMOV R0, FLIP_MASK.D[0]
VMOV R1, FLIP_MASK.D[1]
VTBL FLIP_MASK.B16, [t0.B16], t0.B16
LDP fk_mask<>(SB), (R0, R1)
VMOV R0, XTMP7.D[0]
VMOV R1, XTMP7.D[1]
VEOR t0.B16, XTMP7.B16, t0.B16
VMOV t0.S[1], t1.S[0]
VMOV t0.S[2], t2.S[0]
VMOV t0.S[3], t3.S[0]
EOR R0, R0
ADD $124, R11
VEOR ZERO.B16, ZERO.B16, ZERO.B16
loop:
MOVW.P 4(R9), R19
VMOV R19, x.S[0]
VEOR t1.B16, x.B16, x.B16
VEOR t2.B16, x.B16, x.B16
VEOR t3.B16, x.B16, x.B16
SM4_TAO_L2(x, y)
VEOR x.B16, t0.B16, t0.B16
VMOV t0.S[0], R2
MOVW.P R2, 4(R10)
MOVW.P R2, -4(R11)
MOVW.P 4(R9), R19
VMOV R19, x.S[0]
VEOR t0.B16, x.B16, x.B16
VEOR t2.B16, x.B16, x.B16
VEOR t3.B16, x.B16, x.B16
SM4_TAO_L2(x, y)
VEOR x.B16, t1.B16, t1.B16
VMOV t1.S[0], R2
MOVW.P R2, 4(R10)
MOVW.P R2, -4(R11)
MOVW.P 4(R9), R19
VMOV R19, x.S[0]
VEOR t0.B16, x.B16, x.B16
VEOR t1.B16, x.B16, x.B16
VEOR t3.B16, x.B16, x.B16
SM4_TAO_L2(x, y)
VEOR x.B16, t2.B16, t2.B16
VMOV t2.S[0], R2
MOVW.P R2, 4(R10)
MOVW.P R2, -4(R11)
MOVW.P 4(R9), R19
VMOV R19, x.S[0]
VEOR t0.B16, x.B16, x.B16
VEOR t1.B16, x.B16, x.B16
VEOR t2.B16, x.B16, x.B16
SM4_TAO_L2(x, y)
VEOR x.B16, t3.B16, t3.B16
VMOV t3.S[0], R2
MOVW.P R2, 4(R10)
MOVW.P R2, -4(R11)
ADD $16, R0
CMP $4*32, R0
BNE loop
expand_end:
RET
// func encryptBlocksAsm(xk *uint32, dst, src *byte)
TEXT ·encryptBlocksAsm(SB),NOSPLIT,$0
MOVD xk+0(FP), R8
MOVD dst+8(FP), R9
MOVD src+16(FP), R10
LDPW (0*8)(R10), (R19, R20)
LDPW (1*8)(R10), (R21, R22)
VMOV R19, t0.S[0]
VMOV R20, t1.S[0]
VMOV R21, t2.S[0]
VMOV R22, t3.S[0]
LDPW (2*8)(R10), (R19, R20)
LDPW (3*8)(R10), (R21, R22)
VMOV R19, t0.S[1]
VMOV R20, t1.S[1]
VMOV R21, t2.S[1]
VMOV R22, t3.S[1]
LDPW (4*8)(R10), (R19, R20)
LDPW (5*8)(R10), (R21, R22)
VMOV R19, t0.S[2]
VMOV R20, t1.S[2]
VMOV R21, t2.S[2]
VMOV R22, t3.S[2]
LDPW (6*8)(R10), (R19, R20)
LDPW (7*8)(R10), (R21, R22)
VMOV R19, t0.S[3]
VMOV R20, t1.S[3]
VMOV R21, t2.S[3]
VMOV R22, t3.S[3]
LDP flip_mask<>(SB), (R0, R1)
VMOV R0, FLIP_MASK.D[0]
VMOV R1, FLIP_MASK.D[1]
VTBL FLIP_MASK.B16, [t0.B16], t0.B16
VTBL FLIP_MASK.B16, [t1.B16], t1.B16
VTBL FLIP_MASK.B16, [t2.B16], t2.B16
VTBL FLIP_MASK.B16, [t3.B16], t3.B16
VEOR ZERO.B16, ZERO.B16, ZERO.B16
EOR R0, R0
loop:
MOVW.P 4(R8), R19
VMOV R19, x.S[0]
VMOV R19, x.S[1]
VMOV R19, x.S[2]
VMOV R19, x.S[3]
VEOR t1.B16, x.B16, x.B16
VEOR t2.B16, x.B16, x.B16
VEOR t3.B16, x.B16, x.B16
SM4_TAO_L1(x, y)
VEOR x.B16, t0.B16, t0.B16
MOVW.P 4(R8), R19
VMOV R19, x.S[0]
VMOV R19, x.S[1]
VMOV R19, x.S[2]
VMOV R19, x.S[3]
VEOR t0.B16, x.B16, x.B16
VEOR t2.B16, x.B16, x.B16
VEOR t3.B16, x.B16, x.B16
SM4_TAO_L1(x, y)
VEOR x.B16, t1.B16, t1.B16
MOVW.P 4(R8), R19
VMOV R19, x.S[0]
VMOV R19, x.S[1]
VMOV R19, x.S[2]
VMOV R19, x.S[3]
VEOR t0.B16, x.B16, x.B16
VEOR t1.B16, x.B16, x.B16
VEOR t3.B16, x.B16, x.B16
SM4_TAO_L1(x, y)
VEOR x.B16, t2.B16, t2.B16
ADD $4, R0
MOVW.P 4(R8), R19
VMOV R19, x.S[0]
VMOV R19, x.S[1]
VMOV R19, x.S[2]
VMOV R19, x.S[3]
VEOR t0.B16, x.B16, x.B16
VEOR t1.B16, x.B16, x.B16
VEOR t2.B16, x.B16, x.B16
SM4_TAO_L1(x, y)
VEOR x.B16, t3.B16, t3.B16
ADD $16, R0
CMP $4*32, R0
BNE loop
VTBL FLIP_MASK.B16, [t0.B16], t0.B16
VTBL FLIP_MASK.B16, [t1.B16], t1.B16
VTBL FLIP_MASK.B16, [t2.B16], t2.B16
VTBL FLIP_MASK.B16, [t3.B16], t3.B16
VMOV t3.S[0], V8.S[0]
VMOV t2.S[0], V8.S[1]
VMOV t1.S[0], V8.S[2]
VMOV t0.S[0], V8.S[3]
VST1.P [V8.B16], 16(R9)
VMOV t3.S[1], V8.S[0]
VMOV t2.S[1], V8.S[1]
VMOV t1.S[1], V8.S[2]
VMOV t0.S[1], V8.S[3]
VST1.P [V8.B16], 16(R9)
VMOV t3.S[2], V8.S[0]
VMOV t2.S[2], V8.S[1]
VMOV t1.S[2], V8.S[2]
VMOV t0.S[2], V8.S[3]
VST1.P [V8.B16], 16(R9)
VMOV t3.S[3], V8.S[0]
VMOV t2.S[3], V8.S[1]
VMOV t1.S[3], V8.S[2]
VMOV t0.S[3], V8.S[3]
VST1 [V8.B16], (R9)
done_sm4:
RET
// func encryptBlockAsm(xk *uint32, dst, src *byte)
TEXT ·encryptBlockAsm(SB),NOSPLIT,$0
MOVD xk+0(FP), R8
MOVD dst+8(FP), R9
MOVD src+16(FP), R10
LDPW (0*8)(R10), (R19, R20)
LDPW (1*8)(R10), (R21, R22)
REVW R19, R19
REVW R20, R20
REVW R21, R21
REVW R22, R22
VMOV R19, t0.S[0]
VMOV R20, t1.S[0]
VMOV R21, t2.S[0]
VMOV R22, t3.S[0]
VEOR ZERO.B16, ZERO.B16, ZERO.B16
LDP flip_mask<>(SB), (R0, R1)
VMOV R0, FLIP_MASK.D[0]
VMOV R1, FLIP_MASK.D[1]
EOR R0, R0
loop:
MOVW.P 4(R8), R19
VMOV R19, x.S[0]
VMOV R19, x.S[1]
VMOV R19, x.S[2]
VMOV R19, x.S[3]
VEOR t1.B16, x.B16, x.B16
VEOR t2.B16, x.B16, x.B16
VEOR t3.B16, x.B16, x.B16
SM4_TAO_L1(x, y)
VEOR x.B16, t0.B16, t0.B16
MOVW.P 4(R8), R19
VMOV R19, x.S[0]
VMOV R19, x.S[1]
VMOV R19, x.S[2]
VMOV R19, x.S[3]
VEOR t0.B16, x.B16, x.B16
VEOR t2.B16, x.B16, x.B16
VEOR t3.B16, x.B16, x.B16
SM4_TAO_L1(x, y)
VEOR x.B16, t1.B16, t1.B16
MOVW.P 4(R8), R19
VMOV R19, x.S[0]
VMOV R19, x.S[1]
VMOV R19, x.S[2]
VMOV R19, x.S[3]
VEOR t0.B16, x.B16, x.B16
VEOR t1.B16, x.B16, x.B16
VEOR t3.B16, x.B16, x.B16
SM4_TAO_L1(x, y)
VEOR x.B16, t2.B16, t2.B16
MOVW.P 4(R8), R19
VMOV R19, x.S[0]
VMOV R19, x.S[1]
VMOV R19, x.S[2]
VMOV R19, x.S[3]
VEOR t0.B16, x.B16, x.B16
VEOR t1.B16, x.B16, x.B16
VEOR t2.B16, x.B16, x.B16
SM4_TAO_L1(x, y)
VEOR x.B16, t3.B16, t3.B16
ADD $16, R0
CMP $4*32, R0
BNE loop
VTBL FLIP_MASK.B16, [t0.B16], t0.B16
VTBL FLIP_MASK.B16, [t1.B16], t1.B16
VTBL FLIP_MASK.B16, [t2.B16], t2.B16
VTBL FLIP_MASK.B16, [t3.B16], t3.B16
VMOV t3.S[0], V8.S[0]
VMOV t2.S[0], V8.S[1]
VMOV t1.S[0], V8.S[2]
VMOV t0.S[0], V8.S[3]
VST1 [V8.B16], (R9)
done_sm4:
RET
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