src/core/sipe-crypt.h

   1 /**
   2  * @file sipe-crypt.h
   3  *
   4  * pidgin-sipe
   5  *
   6  * Copyright (C) 2010-2015 SIPE Project <http://sipe.sourceforge.net/>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 /**
  24  * Crypto backend specific initialization/shutdown
  25  *
  26  * TRUE  - production mode, i.e. called from sipe-core.c
  27  * FALSE - test mode
  28  */
  29 void sipe_crypto_init(gboolean production_mode);
  30 void sipe_crypto_shutdown(void);
  31
  32 void sipe_crypt_des(const guchar *key,
  33                     const guchar *plaintext, gsize plaintext_length,
  34                     guchar *encrypted_text);
  35
  36 void sipe_crypt_rc4(const guchar *key, gsize key_length,
  37                     const guchar *plaintext, gsize plaintext_length,
  38                     guchar *encrypted_text);
  39
  40 /* plaintext & encrypted_text must point to modulus_length long spaces */
  41 gboolean sipe_crypt_rsa_encrypt(gpointer public, gsize modulus_length,
  42                                 const guchar *plaintext,
  43                                 guchar *encrypted_text);
  44 gboolean sipe_crypt_rsa_decrypt(gpointer private, gsize modulus_length,
  45                                 const guchar *encrypted_text,
  46                                 guchar *plaintext);
  47 /* must be g_free'd() */
  48 guchar *sipe_crypt_rsa_sign(gpointer private,
  49                             const guchar *digest, gsize digest_length,
  50                             gsize *signature_length);
  51 gboolean sipe_crypt_verify_rsa(gpointer public,
  52                                const guchar *digest, gsize digest_length,
  53                                const guchar *signature, gsize signature_length);
  54
  55 /* Stream RC4 cipher for file transfer */
  56 gpointer sipe_crypt_ft_start(const guchar *key);
  57 void sipe_crypt_ft_stream(gpointer context,
  58                           const guchar *in, gsize length,
  59                           guchar *out);
  60 void sipe_crypt_ft_destroy(gpointer context);
  61
  62 /* Stream RC4 cipher for TLS */
  63 gpointer sipe_crypt_tls_start(const guchar *key, gsize key_length);
  64 void sipe_crypt_tls_stream(gpointer context,
  65                            const guchar *in, gsize length,
  66                            guchar *out);
  67 void sipe_crypt_tls_destroy(gpointer context);
  68
  69 /* Block AES-CBC cipher for TLS */
  70 void sipe_crypt_tls_block(const guchar *key, gsize key_length,
  71                           const guchar *iv, gsize iv_length,
  72                           const guchar *in, gsize length,
  73                           guchar *out);