diff options
Diffstat (limited to 'crypto/aegis128-neon-inner.c')
| -rw-r--r-- | crypto/aegis128-neon-inner.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/crypto/aegis128-neon-inner.c b/crypto/aegis128-neon-inner.c index ed55568afd1b..f05310ca22aa 100644 --- a/crypto/aegis128-neon-inner.c +++ b/crypto/aegis128-neon-inner.c @@ -26,7 +26,7 @@ struct aegis128_state { uint8x16_t v[5]; }; -extern const uint8x16x4_t crypto_aes_sbox[]; +extern const uint8_t crypto_aes_sbox[]; static struct aegis128_state aegis128_load_state_neon(const void *state) { @@ -55,39 +55,39 @@ uint8x16_t aegis_aes_round(uint8x16_t w) #ifdef CONFIG_ARM64 if (!__builtin_expect(aegis128_have_aes_insn, 1)) { - static const uint8x16_t shift_rows = { + static const uint8_t shift_rows[] = { 0x0, 0x5, 0xa, 0xf, 0x4, 0x9, 0xe, 0x3, 0x8, 0xd, 0x2, 0x7, 0xc, 0x1, 0x6, 0xb, }; - static const uint8x16_t ror32by8 = { + static const uint8_t ror32by8[] = { 0x1, 0x2, 0x3, 0x0, 0x5, 0x6, 0x7, 0x4, 0x9, 0xa, 0xb, 0x8, 0xd, 0xe, 0xf, 0xc, }; uint8x16_t v; // shift rows - w = vqtbl1q_u8(w, shift_rows); + w = vqtbl1q_u8(w, vld1q_u8(shift_rows)); // sub bytes - if (!IS_ENABLED(CONFIG_CC_IS_GCC)) { - v = vqtbl4q_u8(crypto_aes_sbox[0], w); - v = vqtbx4q_u8(v, crypto_aes_sbox[1], w - 0x40); - v = vqtbx4q_u8(v, crypto_aes_sbox[2], w - 0x80); - v = vqtbx4q_u8(v, crypto_aes_sbox[3], w - 0xc0); - } else { - asm("tbl %0.16b, {v16.16b-v19.16b}, %1.16b" : "=w"(v) : "w"(w)); - w -= 0x40; - asm("tbx %0.16b, {v20.16b-v23.16b}, %1.16b" : "+w"(v) : "w"(w)); - w -= 0x40; - asm("tbx %0.16b, {v24.16b-v27.16b}, %1.16b" : "+w"(v) : "w"(w)); - w -= 0x40; - asm("tbx %0.16b, {v28.16b-v31.16b}, %1.16b" : "+w"(v) : "w"(w)); - } +#ifndef CONFIG_CC_IS_GCC + v = vqtbl4q_u8(vld1q_u8_x4(crypto_aes_sbox), w); + v = vqtbx4q_u8(v, vld1q_u8_x4(crypto_aes_sbox + 0x40), w - 0x40); + v = vqtbx4q_u8(v, vld1q_u8_x4(crypto_aes_sbox + 0x80), w - 0x80); + v = vqtbx4q_u8(v, vld1q_u8_x4(crypto_aes_sbox + 0xc0), w - 0xc0); +#else + asm("tbl %0.16b, {v16.16b-v19.16b}, %1.16b" : "=w"(v) : "w"(w)); + w -= 0x40; + asm("tbx %0.16b, {v20.16b-v23.16b}, %1.16b" : "+w"(v) : "w"(w)); + w -= 0x40; + asm("tbx %0.16b, {v24.16b-v27.16b}, %1.16b" : "+w"(v) : "w"(w)); + w -= 0x40; + asm("tbx %0.16b, {v28.16b-v31.16b}, %1.16b" : "+w"(v) : "w"(w)); +#endif // mix columns w = (v << 1) ^ (uint8x16_t)(((int8x16_t)v >> 7) & 0x1b); w ^= (uint8x16_t)vrev32q_u16((uint16x8_t)v); - w ^= vqtbl1q_u8(v ^ w, ror32by8); + w ^= vqtbl1q_u8(v ^ w, vld1q_u8(ror32by8)); return w; } |