Added ssh_privatekey_type public function

include/libssh/libssh.h

@@ -396,6 +396,9 @@ LIBSSH_API int ssh_pcap_file_close(ssh_pcap_file pcap);
 LIBSSH_API void ssh_pcap_file_free(ssh_pcap_file pcap);
 LIBSSH_API ssh_pcap_file ssh_pcap_file_new(void);
 LIBSSH_API int ssh_pcap_file_open(ssh_pcap_file pcap, const char *filename);
+
+LIBSSH_API int ssh_privatekey_type(ssh_private_key privatekey);
+
 LIBSSH_API void ssh_print_hexa(const char *descr, const unsigned char *what, size_t len);
 LIBSSH_API int ssh_scp_accept_request(ssh_scp scp);
 LIBSSH_API int ssh_scp_close(ssh_scp scp);

libssh/keyfiles.c

@@ -796,6 +796,20 @@ ssh_private_key privatekey_from_file(ssh_session session, const char *filename,
   return privkey;
 }
 
+/**
+ * @brief returns the type of a private key
+ * @param privatekey[in] the private key handle
+ * @returns one of TYPE_RSA,TYPE_DSS,TYPE_RSA1
+ * @returns 0 if the type is unknown
+ * @see privatekey_from_file
+ * @see ssh_userauth_offer_pubkey
+ */
+int ssh_privatekey_type(ssh_private_key privatekey){
+  if (privatekey==NULL)
+    return 0;
+  return privatekey->type;
+}
+
 /* same that privatekey_from_file() but without any passphrase things. */
 ssh_private_key _privatekey_from_file(void *session, const char *filename,
     int type) {