2 This file is part of GNUnet.
3 (C) 2012 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
22 * @file util/gnunet-rsa.c
23 * @brief tool to manipulate RSA key files
24 * @author Christian Grothoff
27 #include "gnunet_util_lib.h"
31 * Flag for printing public key.
33 static int print_public_key;
36 * Flag for printing hash of public key.
38 static int print_peer_identity;
42 * Main function that will be run by the scheduler.
45 * @param args remaining command-line arguments
46 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
47 * @param cfg configuration
50 run (void *cls, char *const *args, const char *cfgfile,
51 const struct GNUNET_CONFIGURATION_Handle *cfg)
53 struct GNUNET_CRYPTO_RsaPrivateKey *pk;
54 struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pub;
55 struct GNUNET_PeerIdentity pid;
59 fprintf (stderr, _("No hostkey file specified on command line\n"));
62 pk = GNUNET_CRYPTO_rsa_key_create_from_file (args[0]);
67 GNUNET_CRYPTO_rsa_key_get_public (pk, &pub);
68 s = GNUNET_CRYPTO_rsa_public_key_to_string (&pub);
69 fprintf (stdout, "%s\n", s);
72 if (print_peer_identity)
74 struct GNUNET_CRYPTO_HashAsciiEncoded enc;
76 GNUNET_CRYPTO_rsa_key_get_public (pk, &pub);
77 GNUNET_CRYPTO_hash (&pub, sizeof (pub), &pid.hashPubKey);
78 GNUNET_CRYPTO_hash_to_enc (&pid.hashPubKey, &enc);
79 fprintf (stdout, "%s\n", enc.encoding);
81 GNUNET_CRYPTO_rsa_key_free (pk);
86 * The main function to obtain statistics in GNUnet.
88 * @param argc number of arguments from the command line
89 * @param argv command line arguments
90 * @return 0 ok, 1 on error
93 main (int argc, char *const *argv)
95 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
96 { 'p', "print-public-key", NULL,
97 gettext_noop ("print the public key in ASCII format"),
98 0, &GNUNET_GETOPT_set_one, &print_public_key },
99 { 'P', "print-peer-identity", NULL,
100 gettext_noop ("print the hash of the public key in ASCII format"),
101 0, &GNUNET_GETOPT_set_one, &print_peer_identity },
102 GNUNET_GETOPT_OPTION_END
105 GNUNET_PROGRAM_run (argc, argv, "gnunet-rsa [OPTIONS] keyfile",
106 gettext_noop ("Manipulate GNUnet private RSA key files"),
107 options, &run, NULL)) ? 0 : 1;
110 /* end of gnunet-rsa.c */