lib/opencdk/context.h

   1 /* context.h
   2  * Copyright (C) 2002-2012 Free Software Foundation, Inc.
   3  *
   4  * Author: Timo Schulz
   5  *
   6  * This file is part of OpenCDK.
   7  *
   8  * The OpenCDK library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public License
  10  * as published by the Free Software Foundation; either version 3 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public License
  19  * along with this program.  If not, see <http://www.gnu.org/licenses/>
  20  *
  21  */
  22
  23 #ifndef CDK_CONTEXT_H
  24 #define CDK_CONTEXT_H
  25
  26 #include "types.h"
  27
  28 struct cdk_listkey_s
  29 {
  30   unsigned init:1;
  31   cdk_stream_t inp;
  32   cdk_keydb_hd_t db;
  33   int type;
  34   union
  35   {
  36     char *patt;
  37     cdk_strlist_t fpatt;
  38   } u;
  39   cdk_strlist_t t;
  40 };
  41
  42
  43 struct cdk_s2k_s
  44 {
  45   int mode;
  46   byte hash_algo;
  47   byte salt[8];
  48   u32 count;
  49 };
  50
  51
  52 struct cdk_ctx_s
  53 {
  54   int cipher_algo;
  55   int digest_algo;
  56   struct
  57   {
  58     int algo;
  59     int level;
  60   } compress;
  61   struct
  62   {
  63     int mode;
  64     int digest_algo;
  65   } _s2k;
  66   struct
  67   {
  68     unsigned blockmode:1;
  69     unsigned armor:1;
  70     unsigned textmode:1;
  71     unsigned compress:1;
  72     unsigned mdc:1;
  73     unsigned overwrite;
  74     unsigned force_digest:1;
  75   } opt;
  76   struct
  77   {
  78     cdk_pkt_seckey_t sk;
  79     unsigned on:1;
  80   } cache;
  81   struct
  82   {
  83     cdk_keydb_hd_t sec;
  84     cdk_keydb_hd_t pub;
  85     unsigned int close_db:1;
  86   } db;
  87   char *(*passphrase_cb) (void *uint8_t, const char *prompt);
  88   void *passphrase_cb_value;
  89 };
  90
  91 struct cdk_prefitem_s
  92 {
  93   byte type;
  94   byte value;
  95 };
  96
  97 struct cdk_desig_revoker_s
  98 {
  99   struct cdk_desig_revoker_s *next;
 100   byte r_class;
 101   byte algid;
 102   byte fpr[KEY_FPR_LEN];
 103 };
 104
 105 struct cdk_subpkt_s
 106 {
 107   struct cdk_subpkt_s *next;
 108   u32 size;
 109   byte type;
 110   byte *d;
 111 };
 112
 113 struct cdk_keylist_s
 114 {
 115   struct cdk_keylist_s *next;
 116   union
 117   {
 118     cdk_pkt_pubkey_t pk;
 119     cdk_pkt_seckey_t sk;
 120   } key;
 121   int version;
 122   int type;
 123 };
 124
 125 struct cdk_dek_s
 126 {
 127   int algo;
 128   int keylen;
 129   int use_mdc;
 130   byte key[32];                 /* 256-bit */
 131 };
 132
 133 struct cdk_strlist_s
 134 {
 135   struct cdk_strlist_s *next;
 136   char *d;
 137 };
 138
 139 #endif /* CDK_CONTEXT_H */