OSSL_DIGEST_PARAM_ALGID_ABSENT
params[3] = OSSL_PARAM_construct_int(OSSL_DIGEST_PARAM_ALGID_ABSENT,
p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_ALGID_ABSENT);
OSSL_PARAM_int(OSSL_DIGEST_PARAM_ALGID_ABSENT, NULL),