PROV_SM4_CTX
PROV_SM4_CTX *ctx = (PROV_SM4_CTX *)vctx;
PROV_SM4_CTX *in = (PROV_SM4_CTX *)ctx;
PROV_SM4_CTX *ret;
IMPLEMENT_CIPHER_HW_COPYCTX(cipher_hw_sm4_copyctx, PROV_SM4_CTX)
PROV_SM4_CTX *sctx = (PROV_SM4_CTX *)ctx;