/*
This file is part of GNUnet
- Copyright (C) 2014,2015 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2014,2015 GNUnet e.V.
- GNUnet 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.
+ GNUnet is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License,
+ or (at your option) any later version.
- GNUnet 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.
+ GNUnet 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
+ Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
- You should have received a copy of the GNU General Public License along with
- TALER; see the file COPYING. If not, If not, see <http://www.gnu.org/licenses/>
+ SPDX-License-Identifier: AGPL3.0-or-later
*/
/**
* @file util/test_crypto_rsa.c
* @brief testcase for utility functions for RSA cryptography
* @author Sree Harsha Totakura <sreeharsha@totakura.in>
+ * @author Jeffrey Burdges <burdges@gnunet.org>
*/
#include "platform.h"
+#include <gcrypt.h>
#include "gnunet_util_lib.h"
#define KEY_SIZE 1024
{
#define RND_BLK_SIZE 4096
unsigned char rnd_blk[RND_BLK_SIZE];
- struct GNUNET_CRYPTO_rsa_PrivateKey *priv;
- struct GNUNET_CRYPTO_rsa_PublicKey *pub;
- struct GNUNET_CRYPTO_rsa_BlindingKey *bkey;
- struct GNUNET_CRYPTO_rsa_Signature *sig;
- struct GNUNET_CRYPTO_rsa_Signature *bsig;
+ struct GNUNET_CRYPTO_RsaPrivateKey *priv;
+ struct GNUNET_CRYPTO_RsaPrivateKey *priv_copy;
+ struct GNUNET_CRYPTO_RsaPublicKey *pub;
+ struct GNUNET_CRYPTO_RsaPublicKey *pub_copy;
+ struct GNUNET_CRYPTO_RsaSignature *sig;
+ struct GNUNET_CRYPTO_RsaSignature *sig_copy;
+ struct GNUNET_CRYPTO_RsaSignature *bsig;
+ struct GNUNET_CRYPTO_RsaBlindingKeySecret bsec;
struct GNUNET_HashCode hash;
char *blind_buf;
size_t bsize;
RND_BLK_SIZE,
&hash);
priv = GNUNET_CRYPTO_rsa_private_key_create (KEY_SIZE);
+ priv_copy = GNUNET_CRYPTO_rsa_private_key_dup (priv);
+ GNUNET_assert (NULL != priv_copy);
+ GNUNET_assert (0 == GNUNET_CRYPTO_rsa_private_key_cmp (priv, priv_copy));
pub = GNUNET_CRYPTO_rsa_private_key_get_public (priv);
+
/* Encoding */
size_t size;
char *enc;
enc = NULL;
size = GNUNET_CRYPTO_rsa_private_key_encode (priv, &enc);
+
+ /* Decoding */
+ GNUNET_CRYPTO_rsa_private_key_free (priv);
+ priv = NULL;
+ priv = GNUNET_CRYPTO_rsa_private_key_decode (enc, size);
+ GNUNET_assert (NULL != priv);
+ GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK,
+ enc, size);
+ GNUNET_assert (NULL == GNUNET_CRYPTO_rsa_private_key_decode (enc, size));
+ (void) fprintf (stderr, "The above warning is expected.\n");
GNUNET_free (enc);
/* try ordinary sig first */
- sig = GNUNET_CRYPTO_rsa_sign (priv,
- &hash,
- sizeof (hash));
+ sig = GNUNET_CRYPTO_rsa_sign_fdh (priv,
+ &hash);
+ sig_copy = GNUNET_CRYPTO_rsa_signature_dup (sig);
+ GNUNET_assert (NULL != sig);
+ GNUNET_assert (0 == GNUNET_CRYPTO_rsa_signature_cmp (sig, sig_copy));
+ pub_copy = GNUNET_CRYPTO_rsa_public_key_dup (pub);
+ GNUNET_assert (NULL != pub_copy);
GNUNET_assert (GNUNET_OK ==
- GNUNET_CRYPTO_rsa_verify (&hash, sig, pub));
+ GNUNET_CRYPTO_rsa_verify (&hash, sig, pub_copy));
/* corrupt our hash and see if the signature is still valid */
GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK, &hash,
sizeof (struct GNUNET_HashCode));
(void) fprintf (stderr, "The above warning is expected.\n");
GNUNET_CRYPTO_rsa_signature_free (sig);
-
/* test blind signing */
- bkey = GNUNET_CRYPTO_rsa_blinding_key_create (KEY_SIZE);
- bsize = GNUNET_CRYPTO_rsa_blind (&hash,
- bkey,
- pub,
- &blind_buf);
+ GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK,
+ &bsec,
+ sizeof (bsec));
+ GNUNET_CRYPTO_rsa_blind (&hash,
+ &bsec,
+ pub,
+ &blind_buf,&bsize);
GNUNET_assert (0 != bsize);
- bsig = GNUNET_CRYPTO_rsa_sign (priv,
- blind_buf,
- bsize);
+ bsig = GNUNET_CRYPTO_rsa_sign_blinded (priv,
+ blind_buf,
+ bsize);
GNUNET_free (blind_buf);
sig = GNUNET_CRYPTO_rsa_unblind (bsig,
- bkey,
- pub);
+ &bsec,
+ pub);
GNUNET_CRYPTO_rsa_signature_free (bsig);
GNUNET_assert (GNUNET_OK ==
GNUNET_CRYPTO_rsa_verify (&hash, sig, pub));
GNUNET_CRYPTO_rsa_signature_free (sig);
+ GNUNET_CRYPTO_rsa_signature_free (sig_copy);
GNUNET_CRYPTO_rsa_private_key_free (priv);
+ GNUNET_CRYPTO_rsa_private_key_free (priv_copy);
GNUNET_CRYPTO_rsa_public_key_free (pub);
- GNUNET_CRYPTO_rsa_blinding_key_free (bkey);
+ GNUNET_CRYPTO_rsa_public_key_free (pub_copy);
return 0;
}
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