mirror of git://git.gnupg.org/gnupg.git
533 lines
22 KiB
C
533 lines
22 KiB
C
/* main.h
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* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
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* 2008, 2009, 2010 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 3 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, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef G10_MAIN_H
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#define G10_MAIN_H
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#include "../common/types.h"
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#include "../common/iobuf.h"
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#include "../common/util.h"
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#include "keydb.h"
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#include "keyedit.h"
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/* It could be argued that the default cipher should be 3DES rather
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than AES128, and the default compression should be 0
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(i.e. uncompressed) rather than 1 (zip). However, the real world
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issues of speed and size come into play here. */
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#if GPG_USE_AES256
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# define DEFAULT_CIPHER_ALGO CIPHER_ALGO_AES256
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#elif GPG_USE_AES128
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# define DEFAULT_CIPHER_ALGO CIPHER_ALGO_AES
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#elif GPG_USE_CAST5
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# define DEFAULT_CIPHER_ALGO CIPHER_ALGO_CAST5
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#else
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# define DEFAULT_CIPHER_ALGO CIPHER_ALGO_3DES
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#endif
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#define DEFAULT_DIGEST_ALGO ((GNUPG)? DIGEST_ALGO_SHA256:DIGEST_ALGO_SHA1)
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#define DEFAULT_S2K_DIGEST_ALGO DEFAULT_DIGEST_ALGO
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#ifdef HAVE_ZIP
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# define DEFAULT_COMPRESS_ALGO COMPRESS_ALGO_ZIP
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#else
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# define DEFAULT_COMPRESS_ALGO COMPRESS_ALGO_NONE
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#endif
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#define S2K_DIGEST_ALGO (opt.s2k_digest_algo?opt.s2k_digest_algo:DEFAULT_S2K_DIGEST_ALGO)
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/* Various data objects. */
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typedef struct
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{
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ctrl_t ctrl;
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int header_okay;
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PK_LIST pk_list;
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DEK *symkey_dek;
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STRING2KEY *symkey_s2k;
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cipher_filter_context_t cfx;
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} encrypt_filter_context_t;
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struct groupitem
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{
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char *name;
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strlist_t values;
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struct groupitem *next;
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};
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struct weakhash
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{
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enum gcry_md_algos algo;
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int rejection_shown;
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struct weakhash *next;
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};
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/*-- gpg.c --*/
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extern int g10_errors_seen;
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extern int assert_signer_true;
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extern int assert_pubkey_algo_false;
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#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5 )
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void g10_exit(int rc) __attribute__ ((__noreturn__));
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#else
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void g10_exit(int rc);
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#endif
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void print_pubkey_algo_note (pubkey_algo_t algo);
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void print_cipher_algo_note (cipher_algo_t algo);
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void print_digest_algo_note (digest_algo_t algo);
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void print_digest_rejected_note (enum gcry_md_algos algo);
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void print_sha1_keysig_rejected_note (void);
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void print_reported_error (gpg_error_t err, gpg_err_code_t skip_if_ec);
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void print_further_info (const char *format, ...) GPGRT_ATTR_PRINTF(1,2);
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void additional_weak_digest (const char* digestname);
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int is_weak_digest (digest_algo_t algo);
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/*-- armor.c --*/
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char *make_radix64_string( const byte *data, size_t len );
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/*-- misc.c --*/
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void trap_unaligned(void);
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void register_secured_file (const char *fname);
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void unregister_secured_file (const char *fname);
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int is_secured_file (gnupg_fd_t fd);
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int is_secured_filename (const char *fname);
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u16 checksum_u16( unsigned n );
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u16 checksum( const byte *p, unsigned n );
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u16 checksum_mpi( gcry_mpi_t a );
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u32 buffer_to_u32( const byte *buffer );
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const byte *get_session_marker( size_t *rlen );
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enum gcry_cipher_algos map_cipher_openpgp_to_gcry (cipher_algo_t algo);
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#define openpgp_cipher_open(_a,_b,_c,_d) \
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gcry_cipher_open((_a),map_cipher_openpgp_to_gcry((_b)),(_c),(_d))
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#define openpgp_cipher_get_algo_keylen(_a) \
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gcry_cipher_get_algo_keylen(map_cipher_openpgp_to_gcry((_a)))
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#define openpgp_cipher_get_algo_blklen(_a) \
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gcry_cipher_get_algo_blklen(map_cipher_openpgp_to_gcry((_a)))
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int openpgp_cipher_blocklen (cipher_algo_t algo);
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int openpgp_cipher_test_algo(cipher_algo_t algo);
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const char *openpgp_cipher_algo_name (cipher_algo_t algo);
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const char *openpgp_cipher_algo_mode_name (cipher_algo_t algo,
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aead_algo_t aead);
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gpg_error_t openpgp_aead_test_algo (aead_algo_t algo);
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const char *openpgp_aead_algo_name (aead_algo_t algo);
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gpg_error_t openpgp_aead_algo_info (aead_algo_t algo,
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enum gcry_cipher_modes *r_mode,
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unsigned int *r_noncelen);
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int openpgp_pk_test_algo (pubkey_algo_t algo);
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int openpgp_pk_test_algo2 (pubkey_algo_t algo, unsigned int use);
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int openpgp_pk_algo_usage ( int algo );
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const char *openpgp_pk_algo_name (pubkey_algo_t algo);
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enum gcry_md_algos map_md_openpgp_to_gcry (digest_algo_t algo);
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int openpgp_md_test_algo (digest_algo_t algo);
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const char *openpgp_md_algo_name (int algo);
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struct expando_args
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{
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PKT_public_key *pk;
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PKT_public_key *pksk;
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byte imagetype;
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int validity_info;
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const char *validity_string;
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const byte *namehash;
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};
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char *pct_expando (ctrl_t ctrl, const char *string,struct expando_args *args);
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void deprecated_warning(const char *configname,unsigned int configlineno,
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const char *option,const char *repl1,const char *repl2);
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void deprecated_command (const char *name);
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void obsolete_scdaemon_option (const char *configname,
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unsigned int configlineno, const char *name);
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int string_to_cipher_algo (const char *string);
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aead_algo_t string_to_aead_algo (const char *string);
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int string_to_digest_algo (const char *string);
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const char *compress_algo_to_string(int algo);
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int string_to_compress_algo(const char *string);
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int check_compress_algo(int algo);
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int default_cipher_algo(void);
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int default_compress_algo(void);
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void compliance_failure(void);
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struct parse_options
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{
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char *name;
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unsigned int bit;
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char **value;
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char *help;
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};
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char *optsep(char **stringp);
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char *argsplit(char *string);
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int parse_options(char *str,unsigned int *options,
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struct parse_options *opts,int noisy);
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const char *get_libexecdir (void);
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int path_access(const char *file,int mode);
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int pubkey_get_npkey (pubkey_algo_t algo);
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int pubkey_get_nskey (pubkey_algo_t algo);
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int pubkey_get_nsig (pubkey_algo_t algo);
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int pubkey_get_nenc (pubkey_algo_t algo);
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/* Temporary helpers. */
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unsigned int pubkey_nbits( int algo, gcry_mpi_t *pkey );
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int mpi_print (estream_t stream, gcry_mpi_t a, int mode);
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unsigned int ecdsa_qbits_from_Q (unsigned int qbits);
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/*-- cpr.c --*/
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void set_status_fd ( int fd );
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int is_status_enabled ( void );
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void write_status ( int no );
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void write_status_error (const char *where, gpg_error_t err);
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void write_status_errcode (const char *where, int errcode);
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void write_status_failure (const char *where, gpg_error_t err);
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void write_status_text ( int no, const char *text );
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void write_status_printf (int no, const char *format,
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...) GPGRT_ATTR_PRINTF(2,3);
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void write_status_strings (int no, const char *text,
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...) GPGRT_ATTR_SENTINEL(0);
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gpg_error_t write_status_strings2 (ctrl_t dummy, int no,
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...) GPGRT_ATTR_SENTINEL(0);
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void write_status_buffer ( int no,
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const char *buffer, size_t len, int wrap );
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void write_status_text_and_buffer ( int no, const char *text,
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const char *buffer, size_t len, int wrap );
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void write_status_begin_signing (gcry_md_hd_t md);
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int cpr_enabled(void);
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char *cpr_get( const char *keyword, const char *prompt );
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char *cpr_get_no_help( const char *keyword, const char *prompt );
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char *cpr_get_utf8( const char *keyword, const char *prompt );
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char *cpr_get_hidden( const char *keyword, const char *prompt );
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void cpr_kill_prompt(void);
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int cpr_get_answer_is_yes_def (const char *keyword, const char *prompt,
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int def_yes);
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int cpr_get_answer_is_yes( const char *keyword, const char *prompt );
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int cpr_get_answer_yes_no_quit( const char *keyword, const char *prompt );
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int cpr_get_answer_okay_cancel (const char *keyword,
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const char *prompt,
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int def_answer);
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/*-- helptext.c --*/
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void display_online_help( const char *keyword );
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/*-- encrypt.c --*/
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gpg_error_t setup_symkey (STRING2KEY **symkey_s2k,DEK **symkey_dek);
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aead_algo_t use_aead (pk_list_t pk_list, int algo);
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int use_mdc (pk_list_t pk_list,int algo);
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int encrypt_symmetric (const char *filename );
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int encrypt_store (const char *filename );
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int encrypt_crypt (ctrl_t ctrl, gnupg_fd_t filefd, const char *filename,
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strlist_t remusr, int use_symkey, pk_list_t provided_keys,
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gnupg_fd_t outputfd);
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void encrypt_crypt_files (ctrl_t ctrl,
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int nfiles, char **files, strlist_t remusr);
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int encrypt_filter (void *opaque, int control,
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iobuf_t a, byte *buf, size_t *ret_len);
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int write_pubkey_enc (ctrl_t ctrl, PKT_public_key *pk, int throw_keyid,
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DEK *dek, iobuf_t out);
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/*-- sign.c --*/
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int sign_file (ctrl_t ctrl, strlist_t filenames, int detached, strlist_t locusr,
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int do_encrypt, strlist_t remusr, const char *outfile );
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int clearsign_file (ctrl_t ctrl,
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const char *fname, strlist_t locusr, const char *outfile);
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int sign_symencrypt_file (ctrl_t ctrl, const char *fname, strlist_t locusr);
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/*-- sig-check.c --*/
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void sig_check_dump_stats (void);
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/* SIG is a revocation signature. Check if any of PK's designated
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revokers generated it. If so, return 0. Note: this function
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(correctly) doesn't care if the designated revoker is revoked. */
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int check_revocation_keys (ctrl_t ctrl, PKT_public_key *pk, PKT_signature *sig);
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/* Check that the backsig BACKSIG from the subkey SUB_PK to its
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primary key MAIN_PK is valid. */
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int check_backsig(PKT_public_key *main_pk,PKT_public_key *sub_pk,
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PKT_signature *backsig);
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/* Check that the signature SIG over a key (e.g., a key binding or a
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key revocation) is valid. (To check signatures over data, use
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check_signature.) */
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int check_key_signature (ctrl_t ctrl, kbnode_t root, kbnode_t sig,
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int *is_selfsig );
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/* Like check_key_signature, but with the ability to specify some
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additional parameters and get back additional information. See the
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documentation for the implementation for details. */
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int check_key_signature2 (ctrl_t ctrl, kbnode_t root, kbnode_t node,
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PKT_public_key *check_pk, PKT_public_key *ret_pk,
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int *is_selfsig, u32 *r_expiredate, int *r_expired);
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/* Returns whether SIGNER generated the signature SIG over the packet
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PACKET, which is a key, subkey or uid, and comes from the key block
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KB. If SIGNER is NULL, it is looked up based on the information in
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SIG. If not NULL, sets *IS_SELFSIG to indicate whether the
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signature is a self-signature and *RET_PK to a copy of the signer's
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key. */
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gpg_error_t check_signature_over_key_or_uid (ctrl_t ctrl,
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PKT_public_key *signer,
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PKT_signature *sig,
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KBNODE kb, PACKET *packet,
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int *is_selfsig,
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PKT_public_key *ret_pk);
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/*-- delkey.c --*/
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gpg_error_t delete_keys (ctrl_t ctrl,
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strlist_t names, int secret, int allow_both);
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/*-- keygen.c --*/
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const char *get_default_pubkey_algo (void);
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u32 parse_expire_string(const char *string);
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u32 ask_expire_interval(int object,const char *def_expire);
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u32 ask_expiredate(void);
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unsigned int ask_key_flags (int algo, int subkey, unsigned int current);
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const char *ask_curve (int *algo, int *subkey_algo, const char *current);
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void quick_generate_keypair (ctrl_t ctrl, const char *uid, const char *algostr,
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const char *usagestr, const char *expirestr);
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void generate_keypair (ctrl_t ctrl, int full, const char *fname,
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const char *card_serialno, int card_backup_key);
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int keygen_set_std_prefs (const char *string,int personal);
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PKT_user_id *keygen_get_std_prefs (void);
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int keygen_add_key_expire( PKT_signature *sig, void *opaque );
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int keygen_add_key_flags (PKT_signature *sig, void *opaque);
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int keygen_add_key_flags_and_expire (PKT_signature *sig, void *opaque);
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int keygen_add_std_prefs( PKT_signature *sig, void *opaque );
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int keygen_upd_std_prefs( PKT_signature *sig, void *opaque );
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int keygen_add_keyserver_url(PKT_signature *sig, void *opaque);
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int keygen_add_notations(PKT_signature *sig,void *opaque);
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int keygen_add_revkey(PKT_signature *sig, void *opaque);
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gpg_error_t make_backsig (ctrl_t ctrl,
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PKT_signature *sig, PKT_public_key *pk,
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PKT_public_key *sub_pk, PKT_public_key *sub_psk,
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u32 timestamp, const char *cache_nonce);
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gpg_error_t generate_subkeypair (ctrl_t ctrl, kbnode_t keyblock,
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const char *algostr,
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const char *usagestr,
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const char *expirestr);
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#ifdef ENABLE_CARD_SUPPORT
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gpg_error_t generate_card_subkeypair (ctrl_t ctrl, kbnode_t pub_keyblock,
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int keyno, const char *serialno);
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#endif
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/*-- openfile.c --*/
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int overwrite_filep( const char *fname );
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char *make_outfile_name( const char *iname );
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char *ask_outfile_name( const char *name, size_t namelen );
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int open_outfile (gnupg_fd_t out_fd, const char *iname, int mode,
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int restrictedperm, iobuf_t *a);
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char *get_matching_datafile (const char *sigfilename);
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iobuf_t open_sigfile (const char *sigfilename, progress_filter_context_t *pfx);
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void try_make_homedir( const char *fname );
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char *get_openpgp_revocdir (const char *home);
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/*-- seskey.c --*/
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void make_session_key( DEK *dek );
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gcry_mpi_t encode_session_key( int openpgp_pk_algo, DEK *dek, unsigned nbits );
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gcry_mpi_t encode_md_value (PKT_public_key *pk,
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gcry_md_hd_t md, int hash_algo );
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/*-- import.c --*/
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struct import_stats_s;
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typedef struct import_stats_s *import_stats_t;
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struct import_filter_s;
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typedef struct import_filter_s *import_filter_t;
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typedef gpg_error_t (*import_screener_t)(kbnode_t keyblock, void *arg);
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int parse_import_options(char *str,unsigned int *options,int noisy);
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gpg_error_t parse_and_set_import_filter (const char *string);
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import_filter_t save_and_clear_import_filter (void);
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void restore_import_filter (import_filter_t filt);
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gpg_error_t read_key_from_file_or_buffer (ctrl_t ctrl, const char *fname,
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const void *buffer, size_t buflen,
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kbnode_t *r_keyblock);
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gpg_error_t import_included_key_block (ctrl_t ctrl, kbnode_t keyblock);
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void import_keys (ctrl_t ctrl, char **fnames, int nnames,
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import_stats_t stats_hd, unsigned int options,
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int origin, const char *url);
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gpg_error_t import_keys_es_stream (ctrl_t ctrl, estream_t fp,
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import_stats_t stats_handle,
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unsigned char **fpr, size_t *fpr_len,
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unsigned int options,
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import_screener_t screener, void *screener_arg,
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int origin, const char *url);
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gpg_error_t import_old_secring (ctrl_t ctrl, const char *fname);
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import_stats_t import_new_stats_handle (void);
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void import_release_stats_handle (import_stats_t hd);
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void import_print_stats (import_stats_t hd);
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/* Communication for impex_filter_getval */
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struct impex_filter_parm_s
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{
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ctrl_t ctrl;
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kbnode_t node;
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char hexfpr[2*MAX_FINGERPRINT_LEN + 1];
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};
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const char *impex_filter_getval (void *cookie, const char *propname);
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gpg_error_t transfer_secret_keys (ctrl_t ctrl, struct import_stats_s *stats,
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kbnode_t sec_keyblock, int batch, int force,
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int only_marked);
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int collapse_uids (kbnode_t *keyblock);
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int collapse_subkeys (kbnode_t *keyblock);
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int get_revocation_reason (PKT_signature *sig, char **r_reason,
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char **r_comment, size_t *r_commentlen);
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/*-- export.c --*/
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struct export_stats_s;
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typedef struct export_stats_s *export_stats_t;
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export_stats_t export_new_stats (void);
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void export_release_stats (export_stats_t stats);
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void export_print_stats (export_stats_t stats);
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int parse_export_options(char *str,unsigned int *options,int noisy);
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gpg_error_t parse_and_set_export_filter (const char *string);
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void push_export_filters (void);
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void pop_export_filters (void);
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int exact_subkey_match_p (KEYDB_SEARCH_DESC *desc, kbnode_t node);
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int export_pubkeys (ctrl_t ctrl, strlist_t users, unsigned int options,
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export_stats_t stats);
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int export_seckeys (ctrl_t ctrl, strlist_t users, unsigned int options,
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export_stats_t stats);
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int export_secsubkeys (ctrl_t ctrl, strlist_t users, unsigned int options,
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export_stats_t stats);
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gpg_error_t export_pubkey_buffer (ctrl_t ctrl, const char *keyspec,
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unsigned int options,
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const void *prefix, size_t prefixlen,
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export_stats_t stats,
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kbnode_t *r_keyblock,
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void **r_data, size_t *r_datalen);
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gpg_error_t receive_seckey_from_agent (ctrl_t ctrl, gcry_cipher_hd_t cipherhd,
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int cleartext, int mode1003,
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char **cache_nonce_addr,
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const char *hexgrip,
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PKT_public_key *pk, gcry_sexp_t *r_key);
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gpg_error_t write_keyblock_to_output (kbnode_t keyblock,
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int with_armor, unsigned int options);
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gpg_error_t export_ssh_key (ctrl_t ctrl, const char *userid);
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gpg_error_t export_secret_ssh_key (ctrl_t ctrl, const char *userid);
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/*-- dearmor.c --*/
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int dearmor_file( const char *fname );
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int enarmor_file( const char *fname );
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/*-- revoke.c --*/
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struct revocation_reason_info;
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int gen_standard_revoke (ctrl_t ctrl,
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PKT_public_key *psk, const char *cache_nonce);
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int gen_revoke (ctrl_t ctrl, const char *uname);
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int gen_desig_revoke (ctrl_t ctrl, const char *uname, strlist_t locusr);
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int revocation_reason_build_cb( PKT_signature *sig, void *opaque );
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struct revocation_reason_info *
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ask_revocation_reason( int key_rev, int cert_rev, int hint );
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struct revocation_reason_info * get_default_uid_revocation_reason (void);
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struct revocation_reason_info * get_default_sig_revocation_reason (void);
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void release_revocation_reason_info (struct revocation_reason_info *reason);
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/*-- keylist.c --*/
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void public_key_list (ctrl_t ctrl, strlist_t list,
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int locate_mode, int no_local);
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void secret_key_list (ctrl_t ctrl, strlist_t list );
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gpg_error_t parse_and_set_list_filter (const char *string);
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void print_subpackets_colon(PKT_signature *sig);
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void reorder_keyblock (KBNODE keyblock);
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void list_keyblock_direct (ctrl_t ctrl, kbnode_t keyblock, int secret,
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int has_secret, int fpr, int no_validity);
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int cmp_signodes (const void *av, const void *bv);
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void print_fingerprint (ctrl_t ctrl, estream_t fp,
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PKT_public_key *pk, int mode);
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void print_revokers (estream_t fp, PKT_public_key *pk);
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void show_preferences (PKT_user_id *uid, int indent, int mode, int verbose);
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void show_policy_url(PKT_signature *sig,int indent,int mode);
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void show_keyserver_url(PKT_signature *sig,int indent,int mode);
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void show_notation(PKT_signature *sig,int indent,int mode,int which);
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void dump_attribs (const PKT_user_id *uid, PKT_public_key *pk);
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void set_attrib_fd(int fd);
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void print_key_info (ctrl_t ctrl, estream_t fp, int indent,
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PKT_public_key *pk, int secret);
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void print_key_info_log (ctrl_t ctrl, int loglevel, int indent,
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PKT_public_key *pk, int secret);
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void print_card_key_info (estream_t fp, KBNODE keyblock);
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void print_key_line (ctrl_t ctrl, estream_t fp, PKT_public_key *pk, int secret);
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|
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/*-- verify.c --*/
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void print_file_status( int status, const char *name, int what );
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int verify_signatures (ctrl_t ctrl, int nfiles, char **files );
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int verify_files (ctrl_t ctrl, int nfiles, char **files );
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int gpg_verify (ctrl_t ctrl, gnupg_fd_t sig_fd, gnupg_fd_t data_fd,
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estream_t out_fp);
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void check_assert_signer_list (const char *mainpkhex, const char *pkhex);
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void check_assert_pubkey_algo (const char *algostr, const char *pkhex);
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|
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/*-- decrypt.c --*/
|
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int decrypt_message (ctrl_t ctrl, const char *filename );
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|
gpg_error_t decrypt_message_fd (ctrl_t ctrl, gnupg_fd_t input_fd,
|
|
gnupg_fd_t output_fd);
|
|
void decrypt_messages (ctrl_t ctrl, int nfiles, char *files[]);
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|
|
|
/*-- plaintext.c --*/
|
|
int hash_datafiles( gcry_md_hd_t md, gcry_md_hd_t md2,
|
|
strlist_t files, const char *sigfilename, int textmode);
|
|
int hash_datafile_by_fd (gcry_md_hd_t md, gcry_md_hd_t md2,
|
|
gnupg_fd_t data_fd, int textmode);
|
|
PKT_plaintext *setup_plaintext_name(const char *filename,IOBUF iobuf);
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|
|
|
/*-- server.c --*/
|
|
int gpg_server (ctrl_t);
|
|
gpg_error_t gpg_proxy_pinentry_notify (ctrl_t ctrl,
|
|
const unsigned char *line);
|
|
|
|
#ifdef ENABLE_CARD_SUPPORT
|
|
/*-- card-util.c --*/
|
|
void change_pin (int no, int allow_admin);
|
|
void card_status (ctrl_t ctrl, estream_t fp, const char *serialno);
|
|
void card_edit (ctrl_t ctrl, strlist_t commands);
|
|
gpg_error_t card_generate_subkey (ctrl_t ctrl, kbnode_t pub_keyblock);
|
|
int card_store_subkey (KBNODE node, int use, strlist_t *processed_keys);
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|
#endif
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|
|
|
/*-- migrate.c --*/
|
|
void migrate_secring (ctrl_t ctrl);
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#endif /*G10_MAIN_H*/
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