src/crypto/dh_groups.h

   1 /*
   2  * Diffie-Hellman groups
   3  * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * Alternatively, this software may be distributed under the terms of BSD
  10  * license.
  11  *
  12  * See README and COPYING for more details.
  13  */
  14
  15 #ifndef DH_GROUPS_H
  16 #define DH_GROUPS_H
  17
  18 struct dh_group {
  19         int id;
  20         const u8 *generator;
  21         size_t generator_len;
  22         const u8 *prime;
  23         size_t prime_len;
  24 };
  25
  26 const struct dh_group * dh_groups_get(int id);
  27 struct wpabuf * dh_init(const struct dh_group *dh, struct wpabuf **priv);
  28 struct wpabuf * dh_derive_shared(const struct wpabuf *peer_public,
  29                                  const struct wpabuf *own_private,
  30                                  const struct dh_group *dh);
  31
  32 #endif /* DH_GROUPS_H */