https://software.intel.com/sites/landingpage/IntrinsicsGuide/#text=_mm_aesenc_si128&expand=5665,3337,227 AES硬件加密 ``` __m128i _mm_aesenc_si128 (__m128i a, __m128i RoundKey) Synopsis __m128i _mm_aesenc_si128 (__m128i a, __m128i RoundKey) #include <wmmintrin.h> Instruction: aesenc xmm, xmm CPUID Flags: AES Description Perform one round of an AES encryption flow on data (state) in a using the round key in RoundKey, and store the result in dst." Operation state := a a[127:0] := ShiftRows(a[127:0]) a[127:0] := SubBytes(a[127:0]) a[127:0] := MixColumns(a[127:0]) dst[127:0] := a[127:0] XOR RoundKey[127:0] Performance Architecture Latency Throughput (CPI) Skylake 4 1 Broadwell 7 1 Haswell 7 1 Ivy Bridge 8 1 ```