diff options
| -rw-r--r-- | target/riscv/crypto_helper.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/target/riscv/crypto_helper.c b/target/riscv/crypto_helper.c index e61f7fe1e5..505166ce5a 100644 --- a/target/riscv/crypto_helper.c +++ b/target/riscv/crypto_helper.c @@ -272,17 +272,12 @@ target_ulong HELPER(aes64ks1i)(target_ulong rs1, target_ulong rnum) target_ulong HELPER(aes64im)(target_ulong rs1) { - uint64_t RS1 = rs1; - uint32_t col_0 = RS1 & 0xFFFFFFFF; - uint32_t col_1 = RS1 >> 32; - target_ulong result; - - col_0 = AES_INVMIXCOLUMN(col_0); - col_1 = AES_INVMIXCOLUMN(col_1); - - result = ((uint64_t)col_1 << 32) | col_0; + AESState t; - return result; + t.d[HOST_BIG_ENDIAN] = rs1; + t.d[!HOST_BIG_ENDIAN] = 0; + aesdec_IMC(&t, &t, false); + return t.d[HOST_BIG_ENDIAN]; } target_ulong HELPER(sm4ed)(target_ulong rs1, target_ulong rs2, |