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* File: fko_context.h
* Author: Damien S. Stuart
* Purpose: fko context definition.
* Copyright 2009-2013 Damien Stuart (
* License (GNU Public License):
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
#define FKO_CONTEXT_H 1
#include "fko_common.h"
#include <gpgme.h>
/* Stucture to hold a list of the gpg signature information
* we are interested in.
struct fko_gpg_sig {
struct fko_gpg_sig *next;
gpgme_sigsum_t summary;
gpgme_error_t status;
gpgme_validity_t validity;
char *fpr;
typedef struct fko_gpg_sig *fko_gpg_sig_t;
#endif /* HAVE_LIBGPGME */
/* The pieces we need to make an FKO SPA data packet.
struct fko_context {
/* FKO SPA user-definable message data */
char *rand_val;
char *username;
time_t timestamp;
short message_type;
char *message;
char *nat_access;
char *server_auth;
unsigned int client_timeout;
/* FKO SPA user-settable message encoding types */
short digest_type;
short encryption_type;
int encryption_mode;
short hmac_type;
/* Computed or predefined data */
char *version;
char *digest;
int digest_len;
/* Digest of raw encrypted/base64 data - this is used
* for replay attack detection
char *raw_digest;
short raw_digest_type;
int raw_digest_len;
/* Computed processed data (encodings, etc.) */
char *encoded_msg;
int encoded_msg_len;
char *encrypted_msg;
int encrypted_msg_len;
char *msg_hmac;
int msg_hmac_len;
int added_salted_str;
int added_gpg_prefix;
/* State info */
unsigned int state;
unsigned char initval;
/* For gpgme support */
char *gpg_exe;
char *gpg_recipient;
char *gpg_signer;
char *gpg_home_dir;
unsigned char have_gpgme_context;
gpgme_ctx_t gpg_ctx;
gpgme_key_t recipient_key;
gpgme_key_t signer_key;
unsigned char verify_gpg_sigs;
unsigned char ignore_gpg_sig_error;
fko_gpg_sig_t gpg_sigs;
gpgme_error_t gpg_err;
#endif /* HAVE_LIBGPGME */
#endif /* FKO_CONTEXT_H */
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