release/src/router/dropbear/dss.h

   1 /*
   2  * Dropbear - a SSH2 server
   3  *
   4  * Copyright (c) 2002,2003 Matt Johnston
   5  * All rights reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a copy
   8  * of this software and associated documentation files (the "Software"), to deal
   9  * in the Software without restriction, including without limitation the rights
  10  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11  * copies of the Software, and to permit persons to whom the Software is
  12  * furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included in
  15  * all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE. */
  24
  25 #ifndef _DSS_H_
  26 #define _DSS_H_
  27
  28 #include "includes.h"
  29 #include "buffer.h"
  30
  31 #ifdef DROPBEAR_DSS
  32
  33 #define DSS_SIGNATURE_SIZE 4+SSH_SIGNKEY_DSS_LEN+4+2*SHA1_HASH_SIZE
  34
  35 struct DSS_key {
  36
  37         mp_int* p;
  38         mp_int* q;
  39         mp_int* g;
  40         mp_int* y;
  41         mp_int* x;
  42
  43 };
  44
  45 typedef struct DSS_key dss_key;
  46
  47 void buf_put_dss_sign(buffer* buf, dss_key *key, const unsigned char* data,
  48                 unsigned int len);
  49 #ifdef DROPBEAR_SIGNKEY_VERIFY
  50 int buf_dss_verify(buffer* buf, dss_key *key, const unsigned char* data,
  51                 unsigned int len);
  52 #endif
  53 int buf_get_dss_pub_key(buffer* buf, dss_key *key);
  54 int buf_get_dss_priv_key(buffer* buf, dss_key *key);
  55 void buf_put_dss_pub_key(buffer* buf, dss_key *key);
  56 void buf_put_dss_priv_key(buffer* buf, dss_key *key);
  57 void dss_key_free(dss_key *key);
  58
  59 #endif /* DROPBEAR_DSS */
  60
  61 #endif /* _DSS_H_ */