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/*
This file is part of GNUnet.
(C) 2012 Christian Grothoff (and other contributing authors)
GNUnet 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 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/**
* @file util/gnunet-rsa.c
* @brief tool to manipulate RSA key files
* @author Christian Grothoff
*/
#include "platform.h"
#include "gnunet_util_lib.h"
/**
* Flag for printing public key.
*/
static int print_public_key;
/**
* Flag for printing hash of public key.
*/
static int print_peer_identity;
/**
* Flag for printing short hash of public key.
*/
static int print_short_identity;
/**
* Main function that will be run by the scheduler.
*
* @param cls closure
* @param args remaining command-line arguments
* @param cfgfile name of the configuration file used (for saving, can be NULL!)
* @param cfg configuration
*/
static void
run (void *cls, char *const *args, const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *cfg)
{
struct GNUNET_CRYPTO_RsaPrivateKey *pk;
struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pub;
struct GNUNET_PeerIdentity pid;
if (NULL == args[0])
{
fprintf (stderr, _("No hostkey file specified on command line\n"));
return;
}
pk = GNUNET_CRYPTO_rsa_key_create_from_file (args[0]);
if (print_public_key)
{
char *s;
GNUNET_CRYPTO_rsa_key_get_public (pk, &pub);
s = GNUNET_CRYPTO_rsa_public_key_to_string (&pub);
fprintf (stdout, "%s\n", s);
GNUNET_free (s);
}
if (print_peer_identity)
{
struct GNUNET_CRYPTO_HashAsciiEncoded enc;
GNUNET_CRYPTO_rsa_key_get_public (pk, &pub);
GNUNET_CRYPTO_hash (&pub, sizeof (pub), &pid.hashPubKey);
GNUNET_CRYPTO_hash_to_enc (&pid.hashPubKey, &enc);
fprintf (stdout, "%s\n", enc.encoding);
}
if (print_short_identity)
{
struct GNUNET_CRYPTO_ShortHashAsciiEncoded enc;
struct GNUNET_CRYPTO_ShortHashCode sh;
GNUNET_CRYPTO_rsa_key_get_public (pk, &pub);
GNUNET_CRYPTO_short_hash (&pub, sizeof (pub), &sh);
GNUNET_CRYPTO_short_hash_to_enc (&sh, &enc);
fprintf (stdout, "%s\n", enc.short_encoding);
}
GNUNET_CRYPTO_rsa_key_free (pk);
}
/**
* The main function to obtain statistics in GNUnet.
*
* @param argc number of arguments from the command line
* @param argv command line arguments
* @return 0 ok, 1 on error
*/
int
main (int argc, char *const *argv)
{
static const struct GNUNET_GETOPT_CommandLineOption options[] = {
{ 'p', "print-public-key", NULL,
gettext_noop ("print the public key in ASCII format"),
0, &GNUNET_GETOPT_set_one, &print_public_key },
{ 'P', "print-peer-identity", NULL,
gettext_noop ("print the hash of the public key in ASCII format"),
0, &GNUNET_GETOPT_set_one, &print_peer_identity },
{ 's', "print-short-identity", NULL,
gettext_noop ("print the short hash of the public key in ASCII format"),
0, &GNUNET_GETOPT_set_one, &print_short_identity },
GNUNET_GETOPT_OPTION_END
};
if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
return 2;
return (GNUNET_OK ==
GNUNET_PROGRAM_run (argc, argv, "gnunet-rsa [OPTIONS] keyfile",
gettext_noop ("Manipulate GNUnet private RSA key files"),
options, &run, NULL)) ? 0 : 1;
}
/* end of gnunet-rsa.c */
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