EVP_SKEY_import_raw_key
EVP_SKEY *EVP_SKEY_import_raw_key(OSSL_LIB_CTX *libctx, const char *skeymgmtname,
skey = EVP_SKEY_import_raw_key(libctx, "AES-128", aes_key, KEY_SIZE, NULL);
skey = EVP_SKEY_import_raw_key(libctx, "DES", des_key, sizeof(des_key),