SM4_encrypt
&ctx->num, (block128_f)SM4_encrypt);
(block128_f)SM4_encrypt);
(block128_f)SM4_encrypt);
SM4_encrypt(in, out, key);
(block128_f)SM4_encrypt);
void SM4_encrypt(const uint8_t *in, uint8_t *out, const SM4_KEY *ks);