diff options
Diffstat (limited to 'src/exchange-tools/taler-exchange-tvg.c')
| -rw-r--r-- | src/exchange-tools/taler-exchange-tvg.c | 259 |
1 files changed, 0 insertions, 259 deletions
diff --git a/src/exchange-tools/taler-exchange-tvg.c b/src/exchange-tools/taler-exchange-tvg.c deleted file mode 100644 index 55e658fc4..000000000 --- a/src/exchange-tools/taler-exchange-tvg.c +++ /dev/null @@ -1,259 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2019 GNUnet e.V. - - TALER 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. - - TALER 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 - TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> -*/ - -/** - * @file exchange-tools/taler-exchange-tvg.c - * @brief Generate test vectors for cryptographic operations. - * @author Florian Dold - */ -#include "platform.h" -#include "taler_util.h" -#include "taler_signatures.h" -#include <gnunet/gnunet_util_lib.h> - - -/** - * Print data base32-crockford with a preceding label. - * - * @param label label to print - * @param data data to print - * @param size size of data - */ -static void -display_data (char *label, void *data, size_t size) -{ - char *enc = GNUNET_STRINGS_data_to_string_alloc (data, size); - printf ("%s %s\n", label, enc); - GNUNET_free (enc); -} - - -/** - * Main function that will be run. - * - * @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_HashCode hc; - char *str = "Hello, GNU Taler"; - - GNUNET_CRYPTO_hash (str, strlen (str), &hc); - - printf ("hash code:\n"); - display_data (" input", str, strlen (str)); - display_data (" output", &hc, sizeof (struct GNUNET_HashCode)); - } - { - struct GNUNET_CRYPTO_EcdhePrivateKey *priv1; - struct GNUNET_CRYPTO_EcdhePublicKey pub1; - struct GNUNET_CRYPTO_EcdhePrivateKey *priv2; - struct GNUNET_HashCode skm; - priv1 = GNUNET_CRYPTO_ecdhe_key_create (); - priv2 = GNUNET_CRYPTO_ecdhe_key_create (); - GNUNET_CRYPTO_ecdhe_key_get_public (priv1, &pub1); - GNUNET_assert (GNUNET_OK == GNUNET_CRYPTO_ecc_ecdh (priv2, &pub1, &skm)); - - printf ("ecdhe key:\n"); - display_data (" priv1", priv1, sizeof (struct - GNUNET_CRYPTO_EcdhePrivateKey)); - display_data (" pub1", &pub1, sizeof (struct - GNUNET_CRYPTO_EcdhePublicKey)); - display_data (" priv2", priv2, sizeof (struct - GNUNET_CRYPTO_EcdhePrivateKey)); - display_data (" skm", &skm, sizeof (struct GNUNET_HashCode)); - GNUNET_free (priv1); - GNUNET_free (priv2); - } - - { - struct GNUNET_CRYPTO_EddsaPrivateKey *priv; - struct GNUNET_CRYPTO_EddsaPublicKey pub; - priv = GNUNET_CRYPTO_eddsa_key_create (); - GNUNET_CRYPTO_eddsa_key_get_public (priv, &pub); - - printf ("eddsa key:\n"); - display_data (" priv", priv, sizeof (struct - GNUNET_CRYPTO_EddsaPrivateKey)); - display_data (" pub", &pub, sizeof (struct GNUNET_CRYPTO_EddsaPublicKey)); - GNUNET_free (priv); - } - { - struct GNUNET_CRYPTO_EddsaPrivateKey *priv; - struct GNUNET_CRYPTO_EddsaPublicKey pub; - struct GNUNET_CRYPTO_EddsaSignature sig; - struct TALER_ProposalDataPS data = { 0 }; - priv = GNUNET_CRYPTO_eddsa_key_create (); - GNUNET_CRYPTO_eddsa_key_get_public (priv, &pub); - data.purpose.size = htonl (sizeof (struct TALER_ProposalDataPS)); - GNUNET_assert (GNUNET_OK == GNUNET_CRYPTO_eddsa_sign (priv, &data.purpose, - &sig)); - GNUNET_assert (GNUNET_OK == GNUNET_CRYPTO_eddsa_verify (0, - &data.purpose, - &sig, - &pub)); - - printf ("eddsa sig:\n"); - display_data (" priv", priv, sizeof (struct - GNUNET_CRYPTO_EddsaPrivateKey)); - display_data (" pub", &pub, sizeof (struct GNUNET_CRYPTO_EddsaPublicKey)); - display_data (" data", &data, sizeof (struct TALER_ProposalDataPS)); - display_data (" sig", &sig, sizeof (struct GNUNET_CRYPTO_EddsaSignature)); - GNUNET_free (priv); - } - - { - size_t out_len = 64; - char out[out_len]; - char *ikm = "I'm the secret input key material"; - char *salt = "I'm very salty"; - char *ctx = "I'm a context chunk, also known as 'info' in the RFC"; - - GNUNET_assert (GNUNET_OK == GNUNET_CRYPTO_kdf (&out, - out_len, - salt, - strlen (salt), - ikm, - strlen (ikm), - ctx, - strlen (ctx), - NULL)); - - printf ("kdf:\n"); - display_data (" salt", salt, strlen (salt)); - display_data (" ikm", ikm, strlen (ikm)); - display_data (" ctx", ctx, strlen (ctx)); - printf (" out_len %u\n", (unsigned int) out_len); - display_data (" out", out, out_len); - } - { - struct GNUNET_CRYPTO_EcdhePrivateKey *priv_ecdhe; - struct GNUNET_CRYPTO_EcdhePublicKey pub_ecdhe; - struct GNUNET_CRYPTO_EddsaPrivateKey *priv_eddsa; - struct GNUNET_CRYPTO_EddsaPublicKey pub_eddsa; - struct GNUNET_HashCode key_material; - priv_ecdhe = GNUNET_CRYPTO_ecdhe_key_create (); - GNUNET_CRYPTO_ecdhe_key_get_public (priv_ecdhe, &pub_ecdhe); - priv_eddsa = GNUNET_CRYPTO_eddsa_key_create (); - GNUNET_CRYPTO_eddsa_key_get_public (priv_eddsa, &pub_eddsa); - GNUNET_CRYPTO_ecdh_eddsa (priv_ecdhe, &pub_eddsa, &key_material); - - printf ("eddsa_ecdh:\n"); - display_data (" priv_ecdhe", priv_ecdhe, sizeof (struct - GNUNET_CRYPTO_EcdhePrivateKey)); - display_data (" pub_ecdhe", &pub_ecdhe, sizeof (struct - GNUNET_CRYPTO_EcdhePublicKey)); - display_data (" priv_eddsa", priv_eddsa, sizeof (struct - GNUNET_CRYPTO_EddsaPrivateKey)); - display_data (" pub_eddsa", &pub_eddsa, sizeof (struct - GNUNET_CRYPTO_EddsaPublicKey)); - display_data (" key_material", &key_material, sizeof (struct - GNUNET_HashCode)); - } - - { - struct GNUNET_CRYPTO_RsaPrivateKey *skey; - struct GNUNET_CRYPTO_RsaPublicKey *pkey; - struct GNUNET_HashCode message_hash; - struct GNUNET_CRYPTO_RsaBlindingKeySecret bks; - struct GNUNET_CRYPTO_RsaSignature *blinded_sig; - struct GNUNET_CRYPTO_RsaSignature *sig; - char *blinded_data; - size_t blinded_len; - char *public_enc_data; - size_t public_enc_len; - char *blinded_sig_enc_data; - size_t blinded_sig_enc_length; - char *sig_enc_data; - size_t sig_enc_length; - skey = GNUNET_CRYPTO_rsa_private_key_create (2048); - pkey = GNUNET_CRYPTO_rsa_private_key_get_public (skey); - GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK, &message_hash, - sizeof (struct GNUNET_HashCode)); - GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK, &bks, sizeof (struct - GNUNET_CRYPTO_RsaBlindingKeySecret)); - GNUNET_assert (GNUNET_YES == GNUNET_CRYPTO_rsa_blind (&message_hash, &bks, - pkey, &blinded_data, - &blinded_len)); - blinded_sig = GNUNET_CRYPTO_rsa_sign_blinded (skey, blinded_data, - blinded_len); - sig = GNUNET_CRYPTO_rsa_unblind (blinded_sig, &bks, pkey); - GNUNET_assert (GNUNET_YES == GNUNET_CRYPTO_rsa_verify (&message_hash, sig, - pkey)); - public_enc_len = GNUNET_CRYPTO_rsa_public_key_encode (pkey, - &public_enc_data); - blinded_sig_enc_length = GNUNET_CRYPTO_rsa_signature_encode (blinded_sig, - & - blinded_sig_enc_data); - sig_enc_length = GNUNET_CRYPTO_rsa_signature_encode (sig, &sig_enc_data); - printf ("blind signing:\n"); - display_data (" message_hash", &message_hash, sizeof (struct - GNUNET_HashCode)); - display_data (" rsa_public_key", public_enc_data, public_enc_len); - display_data (" blinding_key_secret", &bks, sizeof (struct - GNUNET_CRYPTO_RsaBlindingKeySecret)); - display_data (" blinded_message", blinded_data, blinded_len); - display_data (" blinded_sig", blinded_sig_enc_data, - blinded_sig_enc_length); - display_data (" sig", sig_enc_data, sig_enc_length); - GNUNET_CRYPTO_rsa_private_key_free (skey); - GNUNET_CRYPTO_rsa_public_key_free (pkey); - GNUNET_CRYPTO_rsa_signature_free (sig); - GNUNET_CRYPTO_rsa_signature_free (blinded_sig); - } -} - - -/** - * The main function of the test vector generation tool. - * - * @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) -{ - const struct GNUNET_GETOPT_CommandLineOption options[] = { - GNUNET_GETOPT_OPTION_END - }; - - /* force linker to link against libtalerutil; if we do - not do this, the linker may "optimize" libtalerutil - away and skip #TALER_OS_init(), which we do need */ - (void) TALER_project_data_default (); - GNUNET_assert (GNUNET_OK == - GNUNET_log_setup ("taler-exchange-dbinit", - "INFO", - NULL)); - if (GNUNET_OK != - GNUNET_PROGRAM_run (argc, argv, - "taler-exchange-tvg", - "Generate test vectors", - options, - &run, NULL)) - return 1; - return 0; -} |