diff options
Diffstat (limited to 'target/arm/crypto_helper.c')
-rw-r--r-- | target/arm/crypto_helper.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/target/arm/crypto_helper.c b/target/arm/crypto_helper.c index 3d8d1fb5e7..2f6744edb0 100644 --- a/target/arm/crypto_helper.c +++ b/target/arm/crypto_helper.c @@ -507,3 +507,99 @@ void HELPER(crypto_sha512su1)(void *vd, void *vn, void *vm) rd[0] += s1_512(rn[0]) + rm[0]; rd[1] += s1_512(rn[1]) + rm[1]; } + +void HELPER(crypto_sm3partw1)(void *vd, void *vn, void *vm) +{ + uint64_t *rd = vd; + uint64_t *rn = vn; + uint64_t *rm = vm; + union CRYPTO_STATE d = { .l = { rd[0], rd[1] } }; + union CRYPTO_STATE n = { .l = { rn[0], rn[1] } }; + union CRYPTO_STATE m = { .l = { rm[0], rm[1] } }; + uint32_t t; + + t = CR_ST_WORD(d, 0) ^ CR_ST_WORD(n, 0) ^ ror32(CR_ST_WORD(m, 1), 17); + CR_ST_WORD(d, 0) = t ^ ror32(t, 17) ^ ror32(t, 9); + + t = CR_ST_WORD(d, 1) ^ CR_ST_WORD(n, 1) ^ ror32(CR_ST_WORD(m, 2), 17); + CR_ST_WORD(d, 1) = t ^ ror32(t, 17) ^ ror32(t, 9); + + t = CR_ST_WORD(d, 2) ^ CR_ST_WORD(n, 2) ^ ror32(CR_ST_WORD(m, 3), 17); + CR_ST_WORD(d, 2) = t ^ ror32(t, 17) ^ ror32(t, 9); + + t = CR_ST_WORD(d, 3) ^ CR_ST_WORD(n, 3) ^ ror32(CR_ST_WORD(d, 0), 17); + CR_ST_WORD(d, 3) = t ^ ror32(t, 17) ^ ror32(t, 9); + + rd[0] = d.l[0]; + rd[1] = d.l[1]; +} + +void HELPER(crypto_sm3partw2)(void *vd, void *vn, void *vm) +{ + uint64_t *rd = vd; + uint64_t *rn = vn; + uint64_t *rm = vm; + union CRYPTO_STATE d = { .l = { rd[0], rd[1] } }; + union CRYPTO_STATE n = { .l = { rn[0], rn[1] } }; + union CRYPTO_STATE m = { .l = { rm[0], rm[1] } }; + uint32_t t = CR_ST_WORD(n, 0) ^ ror32(CR_ST_WORD(m, 0), 25); + + CR_ST_WORD(d, 0) ^= t; + CR_ST_WORD(d, 1) ^= CR_ST_WORD(n, 1) ^ ror32(CR_ST_WORD(m, 1), 25); + CR_ST_WORD(d, 2) ^= CR_ST_WORD(n, 2) ^ ror32(CR_ST_WORD(m, 2), 25); + CR_ST_WORD(d, 3) ^= CR_ST_WORD(n, 3) ^ ror32(CR_ST_WORD(m, 3), 25) ^ + ror32(t, 17) ^ ror32(t, 2) ^ ror32(t, 26); + + rd[0] = d.l[0]; + rd[1] = d.l[1]; +} + +void HELPER(crypto_sm3tt)(void *vd, void *vn, void *vm, uint32_t imm2, + uint32_t opcode) +{ + uint64_t *rd = vd; + uint64_t *rn = vn; + uint64_t *rm = vm; + union CRYPTO_STATE d = { .l = { rd[0], rd[1] } }; + union CRYPTO_STATE n = { .l = { rn[0], rn[1] } }; + union CRYPTO_STATE m = { .l = { rm[0], rm[1] } }; + uint32_t t; + + assert(imm2 < 4); + + if (opcode == 0 || opcode == 2) { + /* SM3TT1A, SM3TT2A */ + t = par(CR_ST_WORD(d, 3), CR_ST_WORD(d, 2), CR_ST_WORD(d, 1)); + } else if (opcode == 1) { + /* SM3TT1B */ + t = maj(CR_ST_WORD(d, 3), CR_ST_WORD(d, 2), CR_ST_WORD(d, 1)); + } else if (opcode == 3) { + /* SM3TT2B */ + t = cho(CR_ST_WORD(d, 3), CR_ST_WORD(d, 2), CR_ST_WORD(d, 1)); + } else { + g_assert_not_reached(); + } + + t += CR_ST_WORD(d, 0) + CR_ST_WORD(m, imm2); + + CR_ST_WORD(d, 0) = CR_ST_WORD(d, 1); + + if (opcode < 2) { + /* SM3TT1A, SM3TT1B */ + t += CR_ST_WORD(n, 3) ^ ror32(CR_ST_WORD(d, 3), 20); + + CR_ST_WORD(d, 1) = ror32(CR_ST_WORD(d, 2), 23); + } else { + /* SM3TT2A, SM3TT2B */ + t += CR_ST_WORD(n, 3); + t ^= rol32(t, 9) ^ rol32(t, 17); + + CR_ST_WORD(d, 1) = ror32(CR_ST_WORD(d, 2), 13); + } + + CR_ST_WORD(d, 2) = CR_ST_WORD(d, 3); + CR_ST_WORD(d, 3) = t; + + rd[0] = d.l[0]; + rd[1] = d.l[1]; +} |