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Diffstat (limited to '')
| -rw-r--r-- | comm/third_party/libotr/toolkit/sesskeys.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/comm/third_party/libotr/toolkit/sesskeys.h b/comm/third_party/libotr/toolkit/sesskeys.h new file mode 100644 index 0000000000..677d2054c7 --- /dev/null +++ b/comm/third_party/libotr/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 |