| 1 | #ifndef QEMU_SM4_H |
| 2 | #define QEMU_SM4_H |
| 3 | |
| 4 | extern const uint8_t sm4_sbox[256]; |
| 5 | extern const uint32_t sm4_ck[32]; |
| 6 | |
| 7 | static inline uint32_t sm4_subword(uint32_t word) |
| 8 | { |
| 9 | return sm4_sbox[word & 0xff] | |
| 10 | sm4_sbox[(word >> 8) & 0xff] << 8 | |
| 11 | sm4_sbox[(word >> 16) & 0xff] << 16 | |
| 12 | sm4_sbox[(word >> 24) & 0xff] << 24; |
| 13 | } |
| 14 | |
| 15 | #endif |