crypto/dist/ssh/key.h

   1 /*      $NetBSD: key.h,v 1.2 2006/09/28 21:22:14 christos Exp $ */
   2 /* $OpenBSD: key.h,v 1.27 2008/06/11 21:01:35 grunk Exp $ */
   3
   4 /*
   5  * Copyright (c) 2000, 2001 Markus Friedl.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27 #ifndef KEY_H
  28 #define KEY_H
  29
  30 #include <openssl/rsa.h>
  31 #include <openssl/dsa.h>
  32
  33 typedef struct Key Key;
  34 enum types {
  35         KEY_RSA1,
  36         KEY_RSA,
  37         KEY_DSA,
  38         KEY_UNSPEC
  39 };
  40 enum fp_type {
  41         SSH_FP_SHA1,
  42         SSH_FP_MD5
  43 };
  44 enum fp_rep {
  45         SSH_FP_HEX,
  46         SSH_FP_BUBBLEBABBLE,
  47         SSH_FP_RANDOMART
  48 };
  49
  50 /* key is stored in external hardware */
  51 #define KEY_FLAG_EXT            0x0001
  52
  53 struct Key {
  54         int      type;
  55         int      flags;
  56         RSA     *rsa;
  57         DSA     *dsa;
  58 };
  59
  60 Key             *key_new(int);
  61 Key             *key_new_private(int);
  62 void             key_free(Key *);
  63 Key             *key_demote(const Key *);
  64 int              key_equal(const Key *, const Key *);
  65 char            *key_fingerprint(const Key *, enum fp_type, enum fp_rep);
  66 u_char          *key_fingerprint_raw(const Key *, enum fp_type, u_int *);
  67 const char      *key_type(const Key *);
  68 int              key_write(const Key *, FILE *);
  69 int              key_read(Key *, char **);
  70 u_int            key_size(const Key *);
  71
  72 Key     *key_generate(int, u_int);
  73 Key     *key_from_private(const Key *);
  74 int      key_type_from_name(char *);
  75
  76 Key             *key_from_blob(const u_char *, u_int);
  77 int              key_to_blob(const Key *, u_char **, u_int *);
  78 const char      *key_ssh_name(const Key *);
  79 int              key_names_valid2(const char *);
  80
  81 int      key_sign(const Key *, u_char **, u_int *, const u_char *, u_int);
  82 int      key_verify(const Key *, const u_char *, u_int, const u_char *, u_int);
  83
  84 int      ssh_dss_sign(const Key *, u_char **, u_int *, const u_char *, u_int);
  85 int      ssh_dss_verify(const Key *, const u_char *, u_int, const u_char *, u_int);
  86 int      ssh_rsa_sign(const Key *, u_char **, u_int *, const u_char *, u_int);
  87 int      ssh_rsa_verify(const Key *, const u_char *, u_int, const u_char *, u_int);
  88
  89 #endif