PEM_read_RSAPublicKey
LCRYPTO_USED(PEM_read_RSAPublicKey);
LCRYPTO_ALIAS(PEM_read_RSAPublicKey);
localrsa = PEM_read_RSAPublicKey(fp, NULL, NULL, NULL);
*rsa = PEM_read_RSAPublicKey(keyfp, NULL, NULL, NULL);
if ((rsa = PEM_read_RSAPublicKey(fp, NULL, NULL, NULL)) != NULL) {