gnunet-revocation-tvg.c File Reference

#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_signatures.h"
#include "gnunet_revocation_service.h"
#include "gnunet_testing_lib.h"
#include "../../lib/gnsrecord/gnsrecord_crypto.h"
#include <inttypes.h>

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Macros
#define	TEST_EPOCHS   2
#define	TEST_DIFFICULTY   5

Functions
int	parsehex (char *src, char *dst, size_t dstlen, int invert)
static void	print_bytes_ (void *buf, size_t buf_len, int fold, int in_be)
static void	print_bytes (void *buf, size_t buf_len, int fold)
static void	run_with_key (struct GNUNET_CRYPTO_BlindablePrivateKey *id_priv)
static void	run (void *cls, char *const *args, const char *cfgfile, const struct GNUNET_CONFIGURATION_Handle *cfg)
	Main function that will be run.
int	main (int argc, char *const *argv)
	The main function of the test vector generation tool.

Variables
static char *	d_pkey
static char *	d_edkey

Macro Definition Documentation

TEST_EPOCHS

#define TEST_EPOCHS   2

Definition at line 35 of file gnunet-revocation-tvg.c.

TEST_DIFFICULTY

#define TEST_DIFFICULTY   5

Definition at line 36 of file gnunet-revocation-tvg.c.

Function Documentation

parsehex()

int parsehex	(	char *	src,
		char *	dst,
		size_t	dstlen,
		int	invert
	)

Definition at line 45 of file gnunet-revocation-tvg.c.

{
  char *line = src;
  char *data = line;
  int off;
  int read_byte;
  int data_len = 0;
 
  while (sscanf (data, " %02x%n", &read_byte, &off) == 1)
  {
    if (invert)
      dst[dstlen - 1 - data_len++] = read_byte;
    else
      dst[data_len++] = read_byte;
    data += off;
  }
  return data_len;
}

References data, and line.

Referenced by run().

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print_bytes_()

static void print_bytes_ ( void *  buf, size_t  buf_len, int  fold, int  in_be  )

static

Definition at line 66 of file gnunet-revocation-tvg.c.

{
  int i;
 
  for (i = 0; i < buf_len; i++)
  {
    if (0 != i)
    {
      if ((0 != fold) && (i % fold == 0))
        printf ("\n  ");
      else
        printf (" ");
    }
    else
    {
      printf ("  ");
    }
    if (in_be)
      printf ("%02x", ((unsigned char*) buf)[buf_len - 1 - i]);
    else
      printf ("%02x", ((unsigned char*) buf)[i]);
  }
  printf ("\n");
}

Referenced by print_bytes(), and run().

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print_bytes()

static void print_bytes ( void *  buf, size_t  buf_len, int  fold  )

static

Definition at line 96 of file gnunet-revocation-tvg.c.

{
  print_bytes_ (buf, buf_len, fold, 0);
}

References print_bytes_().

Referenced by run(), and run_with_key().

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run_with_key()

static void run_with_key ( struct GNUNET_CRYPTO_BlindablePrivateKey *  id_priv )

static

Definition at line 105 of file gnunet-revocation-tvg.c.

{
  struct GNUNET_CRYPTO_BlindablePublicKey id_pub;
  struct GNUNET_GNSRECORD_PowP *pow;
  struct GNUNET_GNSRECORD_PowCalculationHandle *ph;
  struct GNUNET_TIME_Relative exp;
  char ztld[128];
  ssize_t key_len;
 
  GNUNET_CRYPTO_blindable_key_get_public (id_priv,
                                          &id_pub);
  GNUNET_STRINGS_data_to_string (&id_pub,
                                 GNUNET_CRYPTO_public_key_get_length (
                                   &id_pub),
                                 ztld,
                                 sizeof (ztld));
  fprintf (stdout, "\n");
  fprintf (stdout, "Zone identifier (ztype|zkey):\n");
  key_len = GNUNET_CRYPTO_public_key_get_length (&id_pub);
  GNUNET_assert (0 < key_len);
  print_bytes (&id_pub, key_len, 8);
  fprintf (stdout, "\n");
  fprintf (stdout, "Encoded zone identifier (zkl = zTLD):\n");
  fprintf (stdout, "%s\n", ztld);
  fprintf (stdout, "\n");
  pow = GNUNET_malloc (GNUNET_MAX_POW_SIZE);
  GNUNET_GNSRECORD_pow_init (id_priv,
                             pow);
  ph = GNUNET_GNSRECORD_pow_start (pow,
                                   TEST_EPOCHS,
                                   TEST_DIFFICULTY);
  fprintf (stdout, "Difficulty (%d base difficulty + %d epochs): %d\n\n",
           TEST_DIFFICULTY,
           TEST_EPOCHS,
           TEST_DIFFICULTY + TEST_EPOCHS);
  uint64_t pow_passes = 0;
  while (GNUNET_YES != GNUNET_GNSRECORD_pow_round (ph))
  {
    pow_passes++;
  }
  struct GNUNET_GNSRECORD_SignaturePurposePS *purp;
  purp = GNR_create_signature_message (pow);
  fprintf (stdout, "Signed message:\n");
  print_bytes (purp,
               ntohl (purp->purpose.size),
               8);
  printf ("\n");
  GNUNET_free (purp);
 
  exp = GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_YEARS,
                                       TEST_EPOCHS);
  GNUNET_assert (GNUNET_OK == GNUNET_GNSRECORD_check_pow (pow,
                                                          TEST_DIFFICULTY,
                                                          exp));
  fprintf (stdout, "Proof:\n");
  print_bytes (pow,
               GNUNET_GNSRECORD_proof_get_size (pow),
               8);
  GNUNET_free (ph);
 
}

References GNR_create_signature_message(), GNUNET_assert, GNUNET_CRYPTO_blindable_key_get_public(), GNUNET_CRYPTO_public_key_get_length(), GNUNET_free, GNUNET_GNSRECORD_check_pow(), GNUNET_GNSRECORD_pow_init(), GNUNET_GNSRECORD_pow_round(), GNUNET_GNSRECORD_pow_start(), GNUNET_GNSRECORD_proof_get_size(), GNUNET_malloc, GNUNET_MAX_POW_SIZE, GNUNET_OK, GNUNET_STRINGS_data_to_string(), GNUNET_TIME_relative_multiply(), GNUNET_TIME_UNIT_YEARS, GNUNET_YES, GNUNET_GNSRECORD_PowP::pow, pow_passes, print_bytes(), GNUNET_GNSRECORD_SignaturePurposePS::purpose, GNUNET_CRYPTO_SignaturePurpose::size, TEST_DIFFICULTY, and TEST_EPOCHS.

Referenced by run().

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run()

static void run ( void *  cls, char *const *  args, const char *  cfgfile, const struct GNUNET_CONFIGURATION_Handle *  cfg  )

static

Main function that will be run.

Parameters

cls	closure
args	remaining command-line arguments
cfgfile	name of the configuration file used (for saving, can be NULL!)
cfg	configuration

Definition at line 177 of file gnunet-revocation-tvg.c.

{
  struct GNUNET_CRYPTO_BlindablePrivateKey id_priv;
 
  id_priv.type = htonl (GNUNET_PUBLIC_KEY_TYPE_ECDSA);
  parsehex (d_pkey,(char*) &id_priv.ecdsa_key, sizeof (id_priv.ecdsa_key), 1);
 
  fprintf (stdout, "Zone private key (d, big-endian):\n");
  print_bytes_ (&id_priv.ecdsa_key, sizeof(id_priv.ecdsa_key), 8, 1);
  run_with_key (&id_priv);
  printf ("\n");
  id_priv.type = htonl (GNUNET_PUBLIC_KEY_TYPE_EDDSA);
  parsehex (d_edkey,(char*) &id_priv.eddsa_key, sizeof (id_priv.eddsa_key), 0);
 
  fprintf (stdout, "Zone private key (d):\n");
  print_bytes (&id_priv.eddsa_key, sizeof(id_priv.eddsa_key), 8);
  run_with_key (&id_priv);
}

References d_edkey, d_pkey, GNUNET_CRYPTO_BlindablePrivateKey::ecdsa_key, GNUNET_CRYPTO_BlindablePrivateKey::eddsa_key, GNUNET_PUBLIC_KEY_TYPE_ECDSA, GNUNET_PUBLIC_KEY_TYPE_EDDSA, parsehex(), print_bytes(), print_bytes_(), run_with_key(), and GNUNET_CRYPTO_BlindablePrivateKey::type.

Referenced by main().

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main()

int main	(	int	argc,
		char *const *	argv
	)

The main function of the test vector generation tool.

Parameters

argc	number of arguments from the command line
argv	command line arguments

Returns

0 ok, 1 on error

Definition at line 208 of file gnunet-revocation-tvg.c.

{
  const struct GNUNET_GETOPT_CommandLineOption options[] = {
    GNUNET_GETOPT_OPTION_END
  };
 
  GNUNET_assert (GNUNET_OK ==
                 GNUNET_log_setup ("gnunet-revocation-tvg",
                                   "INFO",
                                   NULL));
  if (GNUNET_OK !=
      GNUNET_PROGRAM_run (GNUNET_OS_project_data_gnunet (),
                          argc, argv,
                          "gnunet-revocation-tvg",
                          "Generate test vectors for revocation",
                          options,
                          &run, NULL))
    return 1;
  return 0;
}

References GNUNET_assert, GNUNET_GETOPT_OPTION_END, GNUNET_log_setup(), GNUNET_OK, GNUNET_OS_project_data_gnunet(), GNUNET_PROGRAM_run(), options, and run().

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Variable Documentation

d_pkey

char* d_pkey

static

Initial value:

=
  "6fea32c05af58bfa979553d188605fd57d8bf9cc263b78d5f7478c07b998ed70"

Definition at line 38 of file gnunet-revocation-tvg.c.

Referenced by run().

d_edkey

char* d_edkey

static

Initial value:

=
  "5af7020ee19160328832352bbc6a68a8d71a7cbe1b929969a7c66d415a0d8f65"

Definition at line 41 of file gnunet-revocation-tvg.c.

Referenced by run().