1 files changed, 34 insertions, 0 deletions
diff --git a/libotr/libotr-4.1.1/toolkit/sesskeys.h b/libotr/libotr-4.1.1/toolkit/sesskeys.h
new file mode 100644
index 0000000..677d205
--- /dev/null
+++ b/libotr/libotr-4.1.1/toolkit/sesskeys.h
@@ -0,0 +1,34 @@
+/*
+ *  Off-the-Record Messaging Toolkit
+ *  Copyright (C) 2004-2012  Ian Goldberg, Chris Alexander, Nikita Borisov
+ *                           <otr@cypherpunks.ca>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of version 2 of the GNU General Public License as
+ *  published by the Free Software Foundation.
+ *
+ *  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 02110-1301 USA
+ */
+
+#ifndef __SESSKEYS_H__
+#define __SESSKEYS_H__
+
+/* Generate the session id and the two encryption keys from our private
+ * DH key and their public DH key.  Also indicate in *high_endp if we
+ * are the "high" end of the key exchange (set to 1) or the "low" end
+ * (set to 0) */
+void sesskeys_gen(unsigned char sessionid[20], unsigned char sendenc[16],
+	unsigned char rcvenc[16], int *high_endp, gcry_mpi_t *our_yp,
+	gcry_mpi_t our_x, gcry_mpi_t their_y);
+
+/* Generate a MAC key from the corresponding encryption key */
+void sesskeys_make_mac(unsigned char mackey[20], unsigned char enckey[16]);
+
+#endif