signkey.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 _SIGNKEY_H_
  26 #define _SIGNKEY_H_
  27
  28 #include "buffer.h"
  29 #include "dss.h"
  30 #include "rsa.h"
  31
  32
  33 /* Sources for signing keys */
  34 typedef enum {
  35         SIGNKEY_SOURCE_RAW_FILE,
  36         SIGNKEY_SOURCE_AGENT,
  37         SIGNKEY_SOURCE_INVALID,
  38 } signkey_source;
  39
  40 struct SIGN_key {
  41
  42         int type; /* The type of key (dss or rsa) */
  43         signkey_source source;
  44         char *filename;
  45         /* the buffer? for encrypted keys, so we can later get
  46          * the private key portion */
  47
  48 #ifdef DROPBEAR_DSS
  49         dropbear_dss_key * dsskey;
  50 #endif
  51 #ifdef DROPBEAR_RSA
  52         dropbear_rsa_key * rsakey;
  53 #endif
  54 };
  55
  56 typedef struct SIGN_key sign_key;
  57
  58 sign_key * new_sign_key();
  59 const char* signkey_name_from_type(int type, int *namelen);
  60 int signkey_type_from_name(const char* name, int namelen);
  61 int buf_get_pub_key(buffer *buf, sign_key *key, int *type);
  62 int buf_get_priv_key(buffer* buf, sign_key *key, int *type);
  63 void buf_put_pub_key(buffer* buf, sign_key *key, int type);
  64 void buf_put_priv_key(buffer* buf, sign_key *key, int type);
  65 void sign_key_free(sign_key *key);
  66 void buf_put_sign(buffer* buf, sign_key *key, int type,
  67                 const unsigned char *data, unsigned int len);
  68 #ifdef DROPBEAR_SIGNKEY_VERIFY
  69 int buf_verify(buffer * buf, sign_key *key, const unsigned char *data,
  70                 unsigned int len);
  71 char * sign_key_fingerprint(unsigned char* keyblob, unsigned int keybloblen);
  72 #endif
  73 int cmp_base64_key(const unsigned char* keyblob, unsigned int keybloblen,
  74                                         const unsigned char* algoname, unsigned int algolen,
  75                                         buffer * line, char ** fingerprint);
  76
  77 #endif /* _SIGNKEY_H_ */