mirror of
https://github.com/emmansun/gmsm.git
synced 2025-04-23 18:56:17 +08:00
112 lines
4.5 KiB
C
112 lines
4.5 KiB
C
//nibble mask
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DATA nibble_mask<>+0x00(SB)/8, $0x0F0F0F0F0F0F0F0F
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DATA nibble_mask<>+0x08(SB)/8, $0x0F0F0F0F0F0F0F0F
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GLOBL nibble_mask<>(SB), (NOPTR+RODATA), $16
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// inverse shift rows
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DATA inverse_shift_rows<>+0x00(SB)/8, $0x0B0E0104070A0D00
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DATA inverse_shift_rows<>+0x08(SB)/8, $0x0306090C0F020508
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GLOBL inverse_shift_rows<>(SB), (NOPTR+RODATA), $16
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// Affine transform 1 (low and high hibbles)
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DATA m1_low<>+0x00(SB)/8, $0x0A7FC3B6D5A01C69
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DATA m1_low<>+0x08(SB)/8, $0x3045F98CEF9A2653
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GLOBL m1_low<>(SB), (NOPTR+RODATA), $16
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DATA m1_high<>+0x00(SB)/8, $0xC35BF46CAF379800
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DATA m1_high<>+0x08(SB)/8, $0x68F05FC7049C33AB
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GLOBL m1_high<>(SB), (NOPTR+RODATA), $16
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// Affine transform 2 (low and high hibbles)
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DATA m2_low<>+0x00(SB)/8, $0x9A950A05FEF16E61
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DATA m2_low<>+0x08(SB)/8, $0x0E019E916A65FAF5
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GLOBL m2_low<>(SB), (NOPTR+RODATA), $16
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DATA m2_high<>+0x00(SB)/8, $0x892D69CD44E0A400
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DATA m2_high<>+0x08(SB)/8, $0x2C88CC68E14501A5
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GLOBL m2_high<>(SB), (NOPTR+RODATA), $16
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// left rotations of 32-bit words by 8-bit increments
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DATA r08_mask<>+0x00(SB)/8, $0x0605040702010003
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DATA r08_mask<>+0x08(SB)/8, $0x0E0D0C0F0A09080B
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GLOBL r08_mask<>(SB), (NOPTR+RODATA), $16
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DATA r16_mask<>+0x00(SB)/8, $0x0504070601000302
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DATA r16_mask<>+0x08(SB)/8, $0x0D0C0F0E09080B0A
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GLOBL r16_mask<>(SB), (NOPTR+RODATA), $16
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DATA r24_mask<>+0x00(SB)/8, $0x0407060500030201
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DATA r24_mask<>+0x08(SB)/8, $0x0C0F0E0D080B0A09
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GLOBL r24_mask<>(SB), (NOPTR+RODATA), $16
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DATA fk_mask<>+0x00(SB)/8, $0x56aa3350a3b1bac6
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DATA fk_mask<>+0x08(SB)/8, $0xb27022dc677d9197
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GLOBL fk_mask<>(SB), (NOPTR+RODATA), $16
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#define PRE_TRANSPOSE_MATRIX(t0, t1, t2, t3, K) \
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VMOV t0.B16, K.B16 \
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VMOV t1.S[0], t0.S[1] \
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VMOV t2.S[0], t0.S[2] \
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VMOV t3.S[0], t0.S[3] \
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VMOV K.S[1], t1.S[0] \
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VMOV K.S[2], t2.S[0] \
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VMOV K.S[3], t3.S[0] \
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VMOV t1.D[1], K.D[1] \
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VMOV t2.S[1], t1.S[2] \
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VMOV t3.S[1], t1.S[3] \
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VMOV K.S[2], t2.S[1] \
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VMOV K.S[3], t3.S[1] \
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VMOV t2.S[3], K.S[3] \
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VMOV t3.S[2], t2.S[3] \
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VMOV K.S[3], t3.S[2]
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#define TRANSPOSE_MATRIX(t0, t1, t2, t3, K) \
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VMOV t0.B16, K.B16 \
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VMOV t3.S[0], t0.S[0] \
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VMOV t2.S[0], t0.S[1] \
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VMOV t1.S[0], t0.S[2] \
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VMOV K0.S[0], t0.S[3] \
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VMOV t3.S[1], t1.S[0] \
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VMOV t3.S[2], t2.S[0] \
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VMOV t3.S[3], t3.S[0] \
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VMOV t2.S[3], t3.S[1] \
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VMOV t1.S[3], t3.S[2] \
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VMOV K.S[3], t3.S[3] \
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VMOV K.S[2], t2.S[3] \
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VMOV K.S[1], t1.S[3] \
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VMOV t1.B16, K.B16 \
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VMOV t2.S[1], t1.S[1] \
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VMOV K.S[1], t1.S[2] \
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VMOV t2.S[2], t2.S[1] \
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VMOV K.S[2], t2.S[2]
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#define SM4_SBOX(x, y, z) \
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; \
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VAND x.B16, NIBBLE_MASK.B16, z.B16; \
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VTBL z.B16, [M1L.B16], y.B16; \
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VUSHR $4, x.D2, x.D2; \
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VAND x.B16, NIBBLE_MASK.B16, z.B16; \
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VTBL z.B16, [M1H.B16], z.B16; \
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VEOR y.B16, z.B16, x.B16; \
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VTBL INVERSE_SHIFT_ROWS.B16, [x.B16], x.B16; \
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AESE ZERO.B16, x.B16; \
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VAND x.B16, NIBBLE_MASK.B16, z.B16; \
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VTBL z.B16, [M2L.B16], y.B16; \
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VUSHR $4, x.D2, x.D2; \
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VAND x.B16, NIBBLE_MASK.B16, z.B16; \
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VTBL z.B16, [M2H.B16], z.B16; \
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VEOR y.B16, z.B16, x.B16
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#define SM4_TAO_L1(x, y, z) \
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SM4_SBOX(x, y, z); \
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VTBL R08_MASK.B16, [x.B16], y.B16; \
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VEOR y.B16, x.B16, y.B16; \
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VTBL R16_MASK.B16, [x.B16], z.B16; \
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VEOR z.B16, y.B16, y.B16; \
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VSHL $2, y.S4, z.S4; \
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VUSHR $30, y.S4, y.S4; \
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VORR y.B16, z.B16, y.B16; \
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VTBL R24_MASK.B16, [x.B16], z.B16; \
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VEOR z.B16, x.B16, x.B16; \
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VEOR y.B16, x.B16, x.B16
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