* passphrase_len, SILC_PKCS_FILE_BASE64, rng);
*
* // Load SSH2 key pair
* silc_pkcs_load_public_key("pubkey.pub", SILC_PKCS_SSH2, &public_key);
* passphrase_len, SILC_PKCS_FILE_BASE64, rng);
*
* // Load SSH2 key pair
* silc_pkcs_load_public_key("pubkey.pub", SILC_PKCS_SSH2, &public_key);