1 #ifndef QEMU_SM4_H 2 #define QEMU_SM4_H 3 4 extern const uint8_t sm4_sbox[256]; 5 6 static inline uint32_t sm4_subword(uint32_t word) 7 { 8 return sm4_sbox[word & 0xff] | 9 sm4_sbox[(word >> 8) & 0xff] << 8 | 10 sm4_sbox[(word >> 16) & 0xff] << 16 | 11 sm4_sbox[(word >> 24) & 0xff] << 24; 12 } 13 14 #endif 15