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bdf0e306df
* keydb.h, encode.c (write_pubkey_enc_from_list), g10.c (main), pkclist.c (build_pk_list): Add --hidden-recipient (-R) and --hidden-encrypt-to, which do a single-user variation on --throw-keyid. The "hide this key" flag is carried in bit 0 of the pk_list flags field. * keyserver.c (parse_keyrec): Fix shadowing warning.
266 lines
9.2 KiB
C
266 lines
9.2 KiB
C
/* keydb.h - Key database
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* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
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*
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* This file is part of GnuPG.
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*
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* GnuPG is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* GnuPG is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#ifndef G10_KEYDB_H
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#define G10_KEYDB_H
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#include "types.h"
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#include "global.h"
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#include "packet.h"
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#include "cipher.h"
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/* What qualifies as a certification (rather than a signature?) */
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#define IS_SIG(s) (((s)->sig_class==0x00) || ((s)->sig_class==0x01) || \
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((s)->sig_class==0x02) || ((s)->sig_class==0x40))
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#define IS_CERT(s) (!IS_SIG(s))
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#define IS_KEY_SIG(s) ((s)->sig_class == 0x1f)
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#define IS_UID_SIG(s) (((s)->sig_class & ~3) == 0x10)
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#define IS_SUBKEY_SIG(s) ((s)->sig_class == 0x18)
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#define IS_KEY_REV(s) ((s)->sig_class == 0x20)
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#define IS_UID_REV(s) ((s)->sig_class == 0x30)
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#define IS_SUBKEY_REV(s) ((s)->sig_class == 0x28)
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struct getkey_ctx_s;
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typedef struct getkey_ctx_s *GETKEY_CTX;
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/****************
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* A Keyblock is all packets which form an entire certificate;
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* i.e. the public key, certificate, trust packets, user ids,
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* signatures, and subkey.
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*
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* This structure is also used to bind arbitrary packets together.
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*/
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struct kbnode_struct {
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KBNODE next;
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PACKET *pkt;
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int flag;
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int private_flag;
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ulong recno; /* used while updating the trustdb */
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};
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#define is_deleted_kbnode(a) ((a)->private_flag & 1)
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#define is_cloned_kbnode(a) ((a)->private_flag & 2)
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enum resource_type {
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rt_UNKNOWN = 0,
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rt_RING = 1
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};
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/****************
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* A data structre to hold information about the external position
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* of a keyblock.
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*/
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struct keyblock_pos_struct {
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int resno; /* resource number */
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enum resource_type rt;
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off_t offset; /* position information */
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unsigned count; /* length of the keyblock in packets */
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IOBUF fp; /* used by enum_keyblocks */
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int secret; /* working on a secret keyring */
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PACKET *pkt; /* ditto */
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int valid;
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};
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typedef struct keyblock_pos_struct KBPOS;
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/* structure to hold a couple of public key certificates */
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typedef struct pk_list *PK_LIST;
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struct pk_list {
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PK_LIST next;
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PKT_public_key *pk;
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int flags; /* flag bit 1==throw_keyid */
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};
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/* structure to hold a couple of secret key certificates */
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typedef struct sk_list *SK_LIST;
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struct sk_list {
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SK_LIST next;
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PKT_secret_key *sk;
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int mark; /* not used */
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};
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/* structure to collect all information which can be used to
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* identify a public key */
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typedef struct pubkey_find_info *PUBKEY_FIND_INFO;
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struct pubkey_find_info {
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u32 keyid[2];
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unsigned nbits;
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byte pubkey_algo;
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byte fingerprint[MAX_FINGERPRINT_LEN];
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char userid[1];
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};
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typedef struct keydb_handle *KEYDB_HANDLE;
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typedef enum {
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KEYDB_SEARCH_MODE_NONE,
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KEYDB_SEARCH_MODE_EXACT,
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KEYDB_SEARCH_MODE_SUBSTR,
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KEYDB_SEARCH_MODE_MAIL,
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KEYDB_SEARCH_MODE_MAILSUB,
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KEYDB_SEARCH_MODE_MAILEND,
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KEYDB_SEARCH_MODE_WORDS,
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KEYDB_SEARCH_MODE_SHORT_KID,
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KEYDB_SEARCH_MODE_LONG_KID,
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KEYDB_SEARCH_MODE_FPR16,
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KEYDB_SEARCH_MODE_FPR20,
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KEYDB_SEARCH_MODE_FPR,
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KEYDB_SEARCH_MODE_FIRST,
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KEYDB_SEARCH_MODE_NEXT
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} KeydbSearchMode;
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struct keydb_search_desc {
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KeydbSearchMode mode;
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int (*skipfnc)(void *,u32*);
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void *skipfncvalue;
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union {
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const char *name;
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char fpr[MAX_FINGERPRINT_LEN];
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u32 kid[2];
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} u;
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};
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/*-- keydb.c --*/
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int keydb_add_resource (const char *url, int force, int secret);
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KEYDB_HANDLE keydb_new (int secret);
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void keydb_release (KEYDB_HANDLE hd);
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const char *keydb_get_resource_name (KEYDB_HANDLE hd);
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int keydb_get_keyblock (KEYDB_HANDLE hd, KBNODE *ret_kb);
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int keydb_update_keyblock (KEYDB_HANDLE hd, KBNODE kb);
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int keydb_insert_keyblock (KEYDB_HANDLE hd, KBNODE kb);
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int keydb_delete_keyblock (KEYDB_HANDLE hd);
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int keydb_locate_writable (KEYDB_HANDLE hd, const char *reserved);
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void keydb_rebuild_caches (void);
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int keydb_search_reset (KEYDB_HANDLE hd);
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int keydb_search (KEYDB_HANDLE hd, KEYDB_SEARCH_DESC *desc, size_t ndesc);
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int keydb_search_first (KEYDB_HANDLE hd);
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int keydb_search_next (KEYDB_HANDLE hd);
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int keydb_search_kid (KEYDB_HANDLE hd, u32 *kid);
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int keydb_search_fpr (KEYDB_HANDLE hd, const byte *fpr);
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/*-- pkclist.c --*/
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void show_revocation_reason( PKT_public_key *pk, int mode );
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int check_signatures_trust( PKT_signature *sig );
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void release_pk_list( PK_LIST pk_list );
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int build_pk_list( STRLIST rcpts, PK_LIST *ret_pk_list, unsigned use );
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int select_algo_from_prefs( PK_LIST pk_list, int preftype,
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int request, void *hint );
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int select_mdc_from_pklist (PK_LIST pk_list);
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/*-- skclist.c --*/
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void release_sk_list( SK_LIST sk_list );
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int build_sk_list( STRLIST locusr, SK_LIST *ret_sk_list,
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int unlock, unsigned use );
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/*-- passphrase.h --*/
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int have_static_passphrase(void);
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void read_passphrase_from_fd( int fd );
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void passphrase_clear_cache ( u32 *keyid, int algo );
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DEK *passphrase_to_dek( u32 *keyid, int pubkey_algo,
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int cipher_algo, STRING2KEY *s2k, int mode,
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const char *tryagain_text);
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void set_next_passphrase( const char *s );
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char *get_last_passphrase(void);
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/*-- getkey.c --*/
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int classify_user_id( const char *name, KEYDB_SEARCH_DESC *desc);
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void cache_public_key( PKT_public_key *pk );
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void getkey_disable_caches(void);
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int get_pubkey( PKT_public_key *pk, u32 *keyid );
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KBNODE get_pubkeyblock( u32 *keyid );
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int get_pubkey_byname( PKT_public_key *pk, const char *name,
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KBNODE *ret_keyblock, KEYDB_HANDLE *ret_kdbhd);
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int get_pubkey_bynames( GETKEY_CTX *rx, PKT_public_key *pk,
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STRLIST names, KBNODE *ret_keyblock );
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int get_pubkey_next( GETKEY_CTX ctx, PKT_public_key *pk, KBNODE *ret_keyblock );
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void get_pubkey_end( GETKEY_CTX ctx );
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int get_seckey( PKT_secret_key *sk, u32 *keyid );
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int get_primary_seckey( PKT_secret_key *sk, u32 *keyid );
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int get_pubkey_byfprint( PKT_public_key *pk, const byte *fprint,
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size_t fprint_len );
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int get_keyblock_byfprint( KBNODE *ret_keyblock, const byte *fprint,
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size_t fprint_len );
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int get_keyblock_bylid( KBNODE *ret_keyblock, ulong lid );
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int seckey_available( u32 *keyid );
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int get_seckey_byname( PKT_secret_key *sk, const char *name, int unlock );
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int get_seckey_bynames( GETKEY_CTX *rx, PKT_secret_key *sk,
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STRLIST names, KBNODE *ret_keyblock );
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int get_seckey_byfprint( PKT_secret_key *sk,
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const byte *fprint, size_t fprint_len);
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int get_seckey_next( GETKEY_CTX ctx, PKT_secret_key *sk, KBNODE *ret_keyblock );
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void get_seckey_end( GETKEY_CTX ctx );
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int enum_secret_keys( void **context, PKT_secret_key *sk, int with_subkeys );
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void merge_keys_and_selfsig( KBNODE keyblock );
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char*get_user_id_string( u32 *keyid );
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char*get_user_id_string_printable( u32 *keyid );
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char*get_long_user_id_string( u32 *keyid );
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char*get_user_id( u32 *keyid, size_t *rn );
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char*get_user_id_printable( u32 *keyid );
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KEYDB_HANDLE get_ctx_handle(GETKEY_CTX ctx);
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/*-- keyid.c --*/
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int pubkey_letter( int algo );
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u32 keyid_from_sk( PKT_secret_key *sk, u32 *keyid );
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u32 keyid_from_pk( PKT_public_key *pk, u32 *keyid );
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u32 keyid_from_sig( PKT_signature *sig, u32 *keyid );
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u32 keyid_from_fingerprint( const byte *fprint, size_t fprint_len, u32 *keyid );
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unsigned nbits_from_pk( PKT_public_key *pk );
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unsigned nbits_from_sk( PKT_secret_key *sk );
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const char *datestr_from_pk( PKT_public_key *pk );
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const char *datestr_from_sk( PKT_secret_key *sk );
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const char *datestr_from_sig( PKT_signature *sig );
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const char *expirestr_from_pk( PKT_public_key *pk );
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const char *expirestr_from_sk( PKT_secret_key *sk );
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const char *expirestr_from_sig( PKT_signature *sig );
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const char *colon_strtime (u32 t);
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const char *colon_datestr_from_pk (PKT_public_key *pk);
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const char *colon_datestr_from_sk (PKT_secret_key *sk);
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const char *colon_datestr_from_sig (PKT_signature *sig);
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const char *colon_expirestr_from_sig (PKT_signature *sig);
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byte *fingerprint_from_sk( PKT_secret_key *sk, byte *buf, size_t *ret_len );
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byte *fingerprint_from_pk( PKT_public_key *pk, byte *buf, size_t *ret_len );
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/*-- kbnode.c --*/
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KBNODE new_kbnode( PACKET *pkt );
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KBNODE clone_kbnode( KBNODE node );
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void release_kbnode( KBNODE n );
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void delete_kbnode( KBNODE node );
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void add_kbnode( KBNODE root, KBNODE node );
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void insert_kbnode( KBNODE root, KBNODE node, int pkttype );
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void move_kbnode( KBNODE *root, KBNODE node, KBNODE where );
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void remove_kbnode( KBNODE *root, KBNODE node );
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KBNODE find_prev_kbnode( KBNODE root, KBNODE node, int pkttype );
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KBNODE find_next_kbnode( KBNODE node, int pkttype );
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KBNODE find_kbnode( KBNODE node, int pkttype );
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KBNODE walk_kbnode( KBNODE root, KBNODE *context, int all );
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void clear_kbnode_flags( KBNODE n );
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int commit_kbnode( KBNODE *root );
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void dump_kbnode( KBNODE node );
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#endif /*G10_KEYDB_H*/
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