140 lines
4.4 KiB
C
140 lines
4.4 KiB
C
/*
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This file is part of TALER
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(C) 2015 GNUnet e.V.
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TALER is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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TALER is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
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*/
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/**
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* @file util/test_crypto.c
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* @brief Tests for Taler-specific crypto logic
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* @author Christian Grothoff <christian@grothoff.org>
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*/
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#include "platform.h"
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#include "taler_util.h"
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#include "taler_crypto_lib.h"
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/**
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* Test high-level link encryption/decryption API.
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*
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* @return 0 on success
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*/
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static int
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test_high_level ()
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{
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struct GNUNET_CRYPTO_EddsaPrivateKey *pk;
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struct TALER_CoinSpendPrivateKeyP coin_priv;
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struct TALER_CoinSpendPublicKeyP coin_pub;
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struct GNUNET_CRYPTO_EcdhePrivateKey *pk2;
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struct TALER_TransferPrivateKeyP trans_priv;
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struct TALER_TransferPublicKeyP trans_pub;
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struct TALER_TransferSecretP secret;
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struct TALER_TransferSecretP secret2;
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struct TALER_PlanchetSecretsP fc1;
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struct TALER_PlanchetSecretsP fc2;
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pk = GNUNET_CRYPTO_eddsa_key_create ();
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coin_priv.eddsa_priv = *pk;
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GNUNET_free (pk);
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GNUNET_CRYPTO_eddsa_key_get_public (&coin_priv.eddsa_priv,
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&coin_pub.eddsa_pub);
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pk2 = GNUNET_CRYPTO_ecdhe_key_create ();
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trans_priv.ecdhe_priv = *pk2;
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GNUNET_free (pk2);
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GNUNET_CRYPTO_ecdhe_key_get_public (&trans_priv.ecdhe_priv,
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&trans_pub.ecdhe_pub);
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TALER_link_derive_transfer_secret (&coin_priv,
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&trans_priv,
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&secret);
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TALER_link_reveal_transfer_secret (&trans_priv,
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&coin_pub,
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&secret2);
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GNUNET_assert (0 ==
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memcmp (&secret,
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&secret2,
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sizeof (secret)));
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TALER_link_recover_transfer_secret (&trans_pub,
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&coin_priv,
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&secret2);
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GNUNET_assert (0 ==
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memcmp (&secret,
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&secret2,
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sizeof (secret)));
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TALER_planchet_setup_refresh (&secret,
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0,
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&fc1);
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TALER_planchet_setup_refresh (&secret,
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1,
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&fc2);
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GNUNET_assert (0 !=
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memcmp (&fc1,
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&fc2,
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sizeof (struct TALER_PlanchetSecretsP)));
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return 0;
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}
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/**
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* Test the basic planchet functionality of creating a fresh planchet
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* and extracting the respective signature.
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*
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* @return 0 on success
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*/
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static int
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test_planchets ()
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{
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struct TALER_PlanchetSecretsP ps;
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struct TALER_DenominationPrivateKey dk_priv;
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struct TALER_DenominationPublicKey dk_pub;
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struct TALER_PlanchetDetail pd;
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struct GNUNET_CRYPTO_RsaSignature *blind_sig;
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struct TALER_FreshCoin coin;
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dk_priv.rsa_private_key = GNUNET_CRYPTO_rsa_private_key_create (1024);
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dk_pub.rsa_public_key = GNUNET_CRYPTO_rsa_private_key_get_public (dk_priv.rsa_private_key);
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TALER_planchet_setup_random (&ps);
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GNUNET_assert (GNUNET_OK ==
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TALER_planchet_prepare (&dk_pub,
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&ps,
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&pd));
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blind_sig = GNUNET_CRYPTO_rsa_sign_blinded (dk_priv.rsa_private_key,
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pd.coin_ev,
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pd.coin_ev_size);
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GNUNET_assert (NULL != blind_sig);
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GNUNET_assert (GNUNET_OK ==
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TALER_planchet_to_coin (&dk_pub,
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blind_sig,
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&ps,
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&pd.c_hash,
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&coin));
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GNUNET_CRYPTO_rsa_signature_free (blind_sig);
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GNUNET_CRYPTO_rsa_signature_free (coin.sig.rsa_signature);
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GNUNET_CRYPTO_rsa_private_key_free (dk_priv.rsa_private_key);
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GNUNET_CRYPTO_rsa_public_key_free (dk_pub.rsa_public_key);
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return 0;
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}
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int
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main(int argc,
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const char *const argv[])
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{
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if (0 != test_high_level ())
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return 1;
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if (0 != test_planchets ())
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return 1;
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return 0;
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}
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/* end of test_crypto.c */
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