X509_pubkey_digest
if (!X509_pubkey_digest(cert, sha1, md, NULL))
if (!X509_pubkey_digest(cert, sha1, md, NULL))
r = X509_pubkey_digest(x, md, tmphash, NULL);
if (!X509_pubkey_digest(cert, dgst, md, NULL)) {
int X509_pubkey_digest(const X509 *data, const EVP_MD *type,