keyanalyze/pgpring/pgplib.h

   1 /*
   2  * Copyright (C) 1996,1997 Michael R. Elkins <me@cs.hmc.edu>
   3  * Copyright (C) 1999-2000 Thomas Roessler <roessler@guug.de>
   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 as published by
   7  *     the Free Software Foundation; either version 2 of the License, or
   8  *     (at your option) any later version.
   9  *
  10  *     This program is distributed in the hope that it will be useful,
  11  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *     GNU General Public License for more details.
  14  *
  15  *     You should have received a copy of the GNU General Public License
  16  *     along with this program; if not, write to the Free Software
  17  *     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  18  */
  19
  20 #ifdef HAVE_PGP
  21
  22 #define PGPENCRYPT  (1 << 0)
  23 #define PGPSIGN     (1 << 1)
  24 #define PGPKEY      (1 << 2)
  25 #define PGPGOODSIGN (1 << 3)
  26
  27 #define KEYFLAG_CANSIGN                 (1 <<  0)
  28 #define KEYFLAG_CANENCRYPT              (1 <<  1)
  29 #define KEYFLAG_SECRET                  (1 <<  7)
  30 #define KEYFLAG_EXPIRED                 (1 <<  8)
  31 #define KEYFLAG_REVOKED                 (1 <<  9)
  32 #define KEYFLAG_DISABLED                (1 << 10)
  33 #define KEYFLAG_SUBKEY                  (1 << 11)
  34 #define KEYFLAG_CRITICAL                (1 << 12)
  35 #define KEYFLAG_PREFER_ENCRYPTION       (1 << 13)
  36 #define KEYFLAG_PREFER_SIGNING          (1 << 14)
  37
  38 #define KEYFLAG_CANTUSE (KEYFLAG_DISABLED|KEYFLAG_REVOKED|KEYFLAG_EXPIRED)
  39 #define KEYFLAG_RESTRICTIONS (KEYFLAG_CANTUSE|KEYFLAG_CRITICAL)
  40
  41 #define KEYFLAG_ABILITIES (KEYFLAG_CANSIGN|KEYFLAG_CANENCRYPT|KEYFLAG_PREFER_ENCRYPTION|KEYFLAG_PREFER_SIGNING)
  42
  43 typedef struct pgp_signature
  44 {
  45   struct pgp_signature *next;
  46   unsigned char sigtype;
  47   unsigned long sid1;
  48   unsigned long sid2;
  49 }
  50 pgp_sig_t;
  51
  52 typedef struct pgp_keyinfo
  53 {
  54   char *keyid;
  55   struct pgp_uid *address;
  56   int flags;
  57   short keylen;
  58   time_t gen_time;
  59   int numalg;
  60   const char *algorithm;
  61   struct pgp_keyinfo *parent;
  62   struct pgp_signature *sigs;
  63   struct pgp_keyinfo *next;
  64 }
  65 pgp_key_t;
  66
  67 typedef struct pgp_uid
  68 {
  69   char *addr;
  70   short trust;
  71   int flags;
  72   struct pgp_keyinfo *parent;
  73   struct pgp_uid *next;
  74   struct pgp_signature *sigs;
  75 }
  76 pgp_uid_t;
  77
  78 enum pgp_version
  79 {
  80   PGP_V2,
  81   PGP_V3,
  82   PGP_GPG,
  83   PGP_UNKNOWN
  84 };
  85
  86 enum pgp_ring
  87 {
  88   PGP_PUBRING,
  89   PGP_SECRING
  90 };
  91
  92 typedef enum pgp_ring pgp_ring_t;
  93
  94 /* prototypes */
  95
  96 const char *pgp_pkalgbytype (unsigned char);
  97
  98 pgp_key_t *pgp_remove_key (pgp_key_t **, pgp_key_t *);
  99 pgp_uid_t *pgp_copy_uids (pgp_uid_t *, pgp_key_t *);
 100
 101 short pgp_canencrypt (unsigned char);
 102 short pgp_cansign (unsigned char);
 103 short pgp_get_abilities (unsigned char);
 104
 105 void pgp_free_key (pgp_key_t **kpp);
 106
 107 #define pgp_new_keyinfo() safe_calloc (sizeof (pgp_key_t), 1)
 108
 109 #endif /* HAVE_PGP */