*/
#include "platform.h"
#include "gnunet_util_lib.h"
+#include <gcrypt.h>
/**
*/
static int print_peer_identity;
+/**
+ * Flag for printing short hash of public key.
+ */
+static int print_short_identity;
+
+/**
+ * Use weak random number generator for key generation.
+ */
+static int weak_random;
+
+
+/**
+ * The private information of an RSA key pair.
+ * NOTE: this must match the definition in crypto_ksk.c and crypto_rsa.c!
+ */
+struct GNUNET_CRYPTO_RsaPrivateKey
+{
+ gcry_sexp_t sexp;
+};
+
+
+#if 0
+/**
+ * Create a new private key. Caller must free return value.
+ *
+ * @return fresh private key
+ */
+struct GNUNET_CRYPTO_RsaPrivateKey *
+GNUNET_CRYPTO_rsa_key_create ()
+{
+ struct GNUNET_CRYPTO_RsaPrivateKey *ret;
+ gcry_sexp_t s_key;
+ gcry_sexp_t s_keyparam;
+
+ GNUNET_assert (0 ==
+ gcry_sexp_build (&s_keyparam, NULL,
+ "(genkey(rsa(nbits %d)(rsa-use-e 3:257)))",
+ HOSTKEY_LEN));
+ GNUNET_assert (0 == gcry_pk_genkey (&s_key, s_keyparam));
+ gcry_sexp_release (s_keyparam);
+#if EXTRA_CHECKS
+ GNUNET_assert (0 == gcry_pk_testkey (s_key));
+#endif
+ ret = GNUNET_malloc (sizeof (struct GNUNET_CRYPTO_RsaPrivateKey));
+ ret->sexp = s_key;
+ return ret;
+}
+#endif
+
/**
* Main function that will be run by the scheduler.
fprintf (stderr, _("No hostkey file specified on command line\n"));
return;
}
+ if (0 != weak_random)
+ GNUNET_CRYPTO_random_disable_entropy_gathering ();
pk = GNUNET_CRYPTO_rsa_key_create_from_file (args[0]);
+ if (NULL == pk)
+ return;
if (print_public_key)
{
char *s;
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.
+ * Program to manipulate RSA key files.
*
* @param argc number of arguments from the command line
* @param argv command line arguments
{ '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 },
+ { 'w', "weak-random", NULL,
+ gettext_noop ("use insecure, weak random number generator for key generation (for testing only)"),
+ 0, &GNUNET_GETOPT_set_one, &weak_random },
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"),