OSSL_ENCODER_PARAM_CIPHER
params[0] = OSSL_PARAM_construct_utf8_string(OSSL_ENCODER_PARAM_CIPHER,
OSSL_PARAM_utf8_string(OSSL_ENCODER_PARAM_CIPHER, NULL, 0),
const OSSL_PARAM *cipherp = OSSL_PARAM_locate_const(params, OSSL_ENCODER_PARAM_CIPHER);
OSSL_PARAM_utf8_string(OSSL_ENCODER_PARAM_CIPHER, NULL, 0),
const OSSL_PARAM *cipherp = OSSL_PARAM_locate_const(params, OSSL_ENCODER_PARAM_CIPHER);