mirror of
git://git.gnupg.org/gnupg.git
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357 lines
13 KiB
C
357 lines
13 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 <http://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 "types.h"
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#include "iobuf.h"
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#include "cipher.h"
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#include "keydb.h"
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#include "util.h"
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/* It could be argued that the default cipher should be 3DES rather
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than CAST5, 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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#define DEFAULT_CIPHER_ALGO CIPHER_ALGO_CAST5
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#define DEFAULT_DIGEST_ALGO DIGEST_ALGO_SHA1
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#define DEFAULT_S2K_DIGEST_ALGO DIGEST_ALGO_SHA1
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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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typedef struct
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{
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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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/*-- gpg.c --*/
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extern int g10_errors_seen;
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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( int algo );
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void print_cipher_algo_note( int algo );
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void print_digest_algo_note( int 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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int disable_core_dumps(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 (int 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( 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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int map_cipher_openpgp_to_gcry (int algo);
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#define openpgp_cipher_open(_a,_b,_c,_d) gcry_cipher_open((_a),map_cipher_openpgp_to_gcry((_b)),(_c),(_d))
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#define openpgp_cipher_get_algo_keylen(_a) gcry_cipher_get_algo_keylen(map_cipher_openpgp_to_gcry((_a)))
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#define openpgp_cipher_get_algo_blklen(_a) gcry_cipher_get_algo_blklen(map_cipher_openpgp_to_gcry((_a)))
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int openpgp_cipher_blocklen (int algo);
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int openpgp_cipher_test_algo( int algo );
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const char *openpgp_cipher_algo_name (int algo);
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int openpgp_pk_test_algo( int algo );
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int openpgp_pk_test_algo2 ( int algo, unsigned int use );
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int openpgp_pk_algo_usage ( int algo );
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int openpgp_md_test_algo( int algo );
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#ifdef USE_IDEA
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void idea_cipher_warn( int show );
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#else
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#define idea_cipher_warn(a) do { } while (0)
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#endif
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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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};
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char *pct_expando(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_option (const char *configname, unsigned int configlineno,
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const char *name);
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int string_to_cipher_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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const char *compliance_option_string(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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int has_invalid_email_chars (const char *s);
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int is_valid_mailbox (const char *name);
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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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/* Temporary helpers. */
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int pubkey_get_npkey( int algo );
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int pubkey_get_nskey( int algo );
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int pubkey_get_nsig( int algo );
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int pubkey_get_nenc( int algo );
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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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/*-- status.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_text ( int no, const char *text );
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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( 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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/*-- encode.c --*/
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int setup_symkey (STRING2KEY **symkey_s2k,DEK **symkey_dek);
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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 (int filefd, const char *filename,
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strlist_t remusr, int use_symkey, pk_list_t provided_keys,
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int outputfd);
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void encrypt_crypt_files (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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/*-- sign.c --*/
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int complete_sig (PKT_signature *sig, PKT_public_key *pksk, gcry_md_hd_t md);
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int sign_file( 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( const char *fname, strlist_t locusr, const char *outfile );
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int sign_symencrypt_file (const char *fname, strlist_t locusr);
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/*-- sig-check.c --*/
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int check_revocation_keys (PKT_public_key *pk, PKT_signature *sig);
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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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int check_key_signature( KBNODE root, KBNODE node, int *is_selfsig );
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int check_key_signature2( KBNODE root, KBNODE node, PKT_public_key *check_pk,
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PKT_public_key *ret_pk, int *is_selfsig,
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u32 *r_expiredate, int *r_expired );
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/*-- delkey.c --*/
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int delete_keys( strlist_t names, int secret, int allow_both );
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/*-- keyedit.c --*/
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void keyedit_menu( const char *username, strlist_t locusr,
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strlist_t commands, int quiet, int seckey_check );
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void keyedit_passwd (const char *username);
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void show_basic_key_info (KBNODE keyblock);
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/*-- keygen.c --*/
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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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void generate_keypair( const char *fname, const char *card_serialno,
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const char *backup_encryption_dir );
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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_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 (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);
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gpg_error_t generate_subkeypair (kbnode_t pub_keyblock);
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#ifdef ENABLE_CARD_SUPPORT
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int generate_card_subkeypair (KBNODE pub_keyblock, KBNODE sec_keyblock,
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int keyno, const char *serialno);
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int save_unprotected_key_to_card (PKT_secret_key *sk, int keyno);
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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 (int inp_fd, const char *iname, int mode, iobuf_t *a);
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iobuf_t open_sigfile( const char *iname, progress_filter_context_t *pfx );
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void try_make_homedir( const char *fname );
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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( 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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int parse_import_options(char *str,unsigned int *options,int noisy);
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void import_keys( char **fnames, int nnames,
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void *stats_hd, unsigned int options );
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int import_keys_stream( iobuf_t inp,void *stats_hd,unsigned char **fpr,
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size_t *fpr_len,unsigned int options );
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void *import_new_stats_handle (void);
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void import_release_stats_handle (void *p);
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void import_print_stats (void *hd);
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int collapse_uids( KBNODE *keyblock );
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int auto_create_card_key_stub ( const char *serialnostr,
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const unsigned char *fpr1,
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const unsigned char *fpr2,
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const unsigned char *fpr3);
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/*-- export.c --*/
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int parse_export_options(char *str,unsigned int *options,int noisy);
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int export_pubkeys( strlist_t users, unsigned int options );
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int export_pubkeys_stream( iobuf_t out, strlist_t users,
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KBNODE *keyblock_out, unsigned int options );
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int export_seckeys( strlist_t users );
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int export_secsubkeys( strlist_t users );
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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_revoke( const char *uname );
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int gen_desig_revoke( 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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void release_revocation_reason_info( struct revocation_reason_info *reason );
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/*-- keylist.c --*/
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void public_key_list( strlist_t list, int locate_mode );
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void secret_key_list( strlist_t list );
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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( KBNODE keyblock, int secret, int fpr, void *opaque );
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void print_fingerprint (PKT_public_key *pk, int mode);
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void print_revokers(PKT_public_key *pk);
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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_seckey_info (PKT_public_key *pk);
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void print_pubkey_info (estream_t fp, PKT_public_key *pk);
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void print_card_key_info (estream_t fp, KBNODE keyblock);
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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( int nfiles, char **files );
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int verify_files( int nfiles, char **files );
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int gpg_verify (ctrl_t ctrl, int sig_fd, int data_fd, estream_t out_fp);
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/*-- decrypt.c --*/
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int decrypt_message( const char *filename );
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gpg_error_t decrypt_message_fd (int input_fd, int output_fd);
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void decrypt_messages(int nfiles, char *files[]);
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/*-- plaintext.c --*/
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int hash_datafiles( gcry_md_hd_t md, gcry_md_hd_t md2,
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strlist_t files, const char *sigfilename, int textmode );
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int hash_datafile_by_fd ( gcry_md_hd_t md, gcry_md_hd_t md2, int data_fd,
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int textmode );
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PKT_plaintext *setup_plaintext_name(const char *filename,IOBUF iobuf);
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/*-- signal.c --*/
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void init_signals(void);
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void block_all_signals(void);
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void unblock_all_signals(void);
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/*-- server.c --*/
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int gpg_server (ctrl_t);
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#ifdef ENABLE_CARD_SUPPORT
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/*-- card-util.c --*/
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void change_pin (int no, int allow_admin);
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void card_status (estream_t fp, char *serialno, size_t serialnobuflen);
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void card_edit (strlist_t commands);
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int card_generate_subkey (KBNODE pub_keyblock, KBNODE sec_keyblock);
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int card_store_subkey (KBNODE node, int use);
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#endif
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#define S2K_DECODE_COUNT(_val) ((16ul + ((_val) & 15)) << (((_val) >> 4) + 6))
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#endif /*G10_MAIN_H*/
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