* @file auth_scram.h Implementation of SASL-SCRAM authentication * Purple is the legal property of its developers, whose names are too numerous * to list here. Please refer to the COPYRIGHT file distributed with this * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA #ifndef PURPLE_JABBER_AUTH_SCRAM_H #define PURPLE_JABBER_AUTH_SCRAM_H * Every function in this file is ONLY exposed for tests. * DO NOT USE ANYTHING HERE OR YOU WILL BE SENT TO THE PIT OF DESPAIR. /* Per-connection state stored between messages. * This is stored in js->auth_data_mech. const JabberScramHash *hash; GString *server_signature; gboolean channel_binding; * Implements the Hi() function as described in the SASL-SCRAM I-D. * @param hash The struct corresponding to the hash function to be used. * @param str The string to perform the PBKDF2 operation on. * @param iterations The number of iterations to perform. * @returns A newly allocated string containing the result. The string is * NOT null-terminated and its length is the length of the binary * output of the hash function in-use. guchar *jabber_scram_hi(const JabberScramHash *hash, const GString *str, GString *salt, guint iterations); * Calculates the proofs as described in Section 3 of the SASL-SCRAM I-D. * @param data A JabberScramData structure. hash and auth_message must be * set. client_proof and server_signature will be set as a result * @param salt The salt (as specified by the server) * @param iterations The number of iterations to perform. * @returns TRUE if the proofs were successfully calculated. FALSE otherwise. gboolean jabber_scram_calc_proofs(JabberScramData *data, GString *salt, * Feed the algorithm with the data from the server. gboolean jabber_scram_feed_parser(JabberScramData *data, gchar *in, gchar **out); * Clean up and destroy the data struct void jabber_scram_data_destroy(JabberScramData *data); #endif /* PURPLE_JABBER_AUTH_SCRAM_H */