diff options
| author | Max Chou <max.chou@sifive.com> | 2023-07-12 00:59:12 +0800 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2023-09-11 11:45:55 +1000 |
| commit | f6ef550fe5c915d1d74ce9854280d16a8d71e230 (patch) | |
| tree | 893a60f9ab63c9735dd3555cc56a0f43e0b4e313 /target/arm | |
| parent | 767eb03548f75b1d7c446305dd5bdb074c0b6d8f (diff) | |
crypto: Create sm4_subword
Allows sharing of sm4_subword between different targets.
Signed-off-by: Max Chou <max.chou@sifive.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Max Chou <max.chou@sifive.com>
Message-ID: <20230711165917.2629866-14-max.chou@sifive.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'target/arm')
| -rw-r--r-- | target/arm/tcg/crypto_helper.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/target/arm/tcg/crypto_helper.c b/target/arm/tcg/crypto_helper.c index fdd70abbfd..7cadd61e12 100644 --- a/target/arm/tcg/crypto_helper.c +++ b/target/arm/tcg/crypto_helper.c @@ -614,10 +614,7 @@ static void do_crypto_sm4e(uint64_t *rd, uint64_t *rn, uint64_t *rm) CR_ST_WORD(d, (i + 3) % 4) ^ CR_ST_WORD(n, i); - t = sm4_sbox[t & 0xff] | - sm4_sbox[(t >> 8) & 0xff] << 8 | - sm4_sbox[(t >> 16) & 0xff] << 16 | - sm4_sbox[(t >> 24) & 0xff] << 24; + t = sm4_subword(t); CR_ST_WORD(d, i) ^= t ^ rol32(t, 2) ^ rol32(t, 10) ^ rol32(t, 18) ^ rol32(t, 24); @@ -651,10 +648,7 @@ static void do_crypto_sm4ekey(uint64_t *rd, uint64_t *rn, uint64_t *rm) CR_ST_WORD(d, (i + 3) % 4) ^ CR_ST_WORD(m, i); - t = sm4_sbox[t & 0xff] | - sm4_sbox[(t >> 8) & 0xff] << 8 | - sm4_sbox[(t >> 16) & 0xff] << 16 | - sm4_sbox[(t >> 24) & 0xff] << 24; + t = sm4_subword(t); CR_ST_WORD(d, i) ^= t ^ rol32(t, 13) ^ rol32(t, 23); } |