/*
- This file is part of GNUnet.
- (C) 2002, 2003, 2004, 2006, 2009 Christian Grothoff (and other contributing authors)
+ This file is part of GNUnet
+ 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 General Public License as published by the Free Software
+ Foundation; either version 3, 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.
-
- You should have received a copy of the GNU General Public License
- along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ 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.
+ You should have received a copy of the GNU General Public License along with
+ GNUnet; see the file COPYING. If not, If not, see <http://www.gnu.org/licenses/>
*/
+
/**
* @file util/test_crypto_rsa.c
- * @brief testcase for RSA public key crypto
- * @author Christian Grothoff
+ * @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 "gnunet_common.h"
-#include "gnunet_crypto_lib.h"
-#include "gnunet_signatures.h"
-#include "gnunet_time_lib.h"
-
-#define TESTSTRING "Hello World\0"
-#define MAX_TESTVAL sizeof(struct GNUNET_CRYPTO_AesSessionKey)
-#define ITER 25
-#define KEYFILE "/tmp/test-gnunet-crypto-rsa.key"
-
-#define PERF GNUNET_YES
-
-static int
-testEncryptDecrypt ()
-{
- struct GNUNET_CRYPTO_RsaPrivateKey *hostkey;
- struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pkey;
- struct GNUNET_CRYPTO_RsaEncryptedData target;
- char result[MAX_TESTVAL];
- int i;
- struct GNUNET_TIME_Absolute start;
- int ok;
-
- fprintf (stderr, "W");
- hostkey = GNUNET_CRYPTO_rsa_key_create ();
- GNUNET_CRYPTO_rsa_key_get_public (hostkey, &pkey);
-
- ok = 0;
- start = GNUNET_TIME_absolute_get ();
- for (i = 0; i < ITER; i++)
- {
- fprintf (stderr, ".");
- if (GNUNET_SYSERR ==
- GNUNET_CRYPTO_rsa_encrypt (TESTSTRING, strlen (TESTSTRING) + 1,
- &pkey, &target))
- {
- fprintf (stderr, "GNUNET_CRYPTO_rsa_encrypt returned SYSERR\n");
- ok++;
- continue;
- }
- if (-1 ==
- GNUNET_CRYPTO_rsa_decrypt (hostkey, &target, result,
- strlen (TESTSTRING) + 1))
- {
- fprintf (stderr, "GNUNET_CRYPTO_rsa_decrypt returned SYSERR\n");
- ok++;
- continue;
-
- }
- if (strncmp (TESTSTRING, result, strlen (TESTSTRING)) != 0)
- {
- printf ("%s != %.*s - testEncryptDecrypt failed!\n", TESTSTRING,
- (int) MAX_TESTVAL, result);
- ok++;
- continue;
- }
- }
- printf ("%d RSA encrypt/decrypt operations %llums (%d failures)\n", ITER,
- (unsigned long long)
- GNUNET_TIME_absolute_get_duration (start).rel_value, ok);
- GNUNET_CRYPTO_rsa_key_free (hostkey);
- if (ok == 0)
- return GNUNET_OK;
- else
- return GNUNET_SYSERR;
-}
-
-#if PERF
-static int
-testEncryptPerformance ()
-{
- struct GNUNET_CRYPTO_RsaPrivateKey *hostkey;
- struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pkey;
- struct GNUNET_CRYPTO_RsaEncryptedData target;
- int i;
- struct GNUNET_TIME_Absolute start;
- int ok;
-
- fprintf (stderr, "W");
- hostkey = GNUNET_CRYPTO_rsa_key_create ();
- GNUNET_CRYPTO_rsa_key_get_public (hostkey, &pkey);
-
- ok = 0;
- start = GNUNET_TIME_absolute_get ();
- for (i = 0; i < ITER; i++)
- {
- fprintf (stderr, ".");
- if (GNUNET_SYSERR ==
- GNUNET_CRYPTO_rsa_encrypt (TESTSTRING, strlen (TESTSTRING) + 1,
- &pkey, &target))
- {
- fprintf (stderr, "GNUNET_CRYPTO_rsa_encrypt returned SYSERR\n");
- ok++;
- continue;
- }
- }
- printf ("%d RSA encrypt operations %llu ms (%d failures)\n", ITER,
- (unsigned long long)
- GNUNET_TIME_absolute_get_duration (start).rel_value, ok);
- GNUNET_CRYPTO_rsa_key_free (hostkey);
- if (ok != 0)
- return GNUNET_SYSERR;
- return GNUNET_OK;
-}
-#endif
-
-static int
-testEncryptDecryptSK ()
-{
- struct GNUNET_CRYPTO_RsaPrivateKey *hostkey;
- struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pkey;
- struct GNUNET_CRYPTO_RsaEncryptedData target;
- struct GNUNET_CRYPTO_AesSessionKey insk;
- struct GNUNET_CRYPTO_AesSessionKey outsk;
- int i;
- struct GNUNET_TIME_Absolute start;
- int ok;
-
- fprintf (stderr, "W");
- hostkey = GNUNET_CRYPTO_rsa_key_create ();
- GNUNET_CRYPTO_rsa_key_get_public (hostkey, &pkey);
-
- ok = 0;
- start = GNUNET_TIME_absolute_get ();
- for (i = 0; i < ITER; i++)
- {
- fprintf (stderr, ".");
- GNUNET_CRYPTO_aes_create_session_key (&insk);
- if (GNUNET_SYSERR ==
- GNUNET_CRYPTO_rsa_encrypt (&insk,
- sizeof (struct
- GNUNET_CRYPTO_AesSessionKey),
- &pkey, &target))
- {
- fprintf (stderr, "GNUNET_CRYPTO_rsa_encrypt returned SYSERR\n");
- ok++;
- continue;
- }
- if (-1 ==
- GNUNET_CRYPTO_rsa_decrypt (hostkey, &target, &outsk,
- sizeof (struct
- GNUNET_CRYPTO_AesSessionKey)))
- {
- fprintf (stderr, "GNUNET_CRYPTO_rsa_decrypt returned SYSERR\n");
- ok++;
- continue;
- }
- if (0 !=
- memcmp (&insk, &outsk, sizeof (struct GNUNET_CRYPTO_AesSessionKey)))
- {
- printf ("testEncryptDecryptSK failed!\n");
- ok++;
- continue;
- }
- }
- printf ("%d RSA encrypt/decrypt SK operations %llums (%d failures)\n", ITER,
- (unsigned long long)
- GNUNET_TIME_absolute_get_duration (start).rel_value, ok);
- GNUNET_CRYPTO_rsa_key_free (hostkey);
- if (ok != 0)
- return GNUNET_SYSERR;
- return GNUNET_OK;
-}
-
-
-static int
-testSignVerify ()
-{
- struct GNUNET_CRYPTO_RsaPrivateKey *hostkey;
- struct GNUNET_CRYPTO_RsaSignature sig;
- struct GNUNET_CRYPTO_RsaSignaturePurpose purp;
- struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pkey;
- int i;
- struct GNUNET_TIME_Absolute start;
- int ok = GNUNET_OK;
-
- fprintf (stderr, "W");
- hostkey = GNUNET_CRYPTO_rsa_key_create ();
- GNUNET_CRYPTO_rsa_key_get_public (hostkey, &pkey);
- start = GNUNET_TIME_absolute_get ();
- purp.size = htonl (sizeof (struct GNUNET_CRYPTO_RsaSignaturePurpose));
- purp.purpose = htonl (GNUNET_SIGNATURE_PURPOSE_TEST);
-
- for (i = 0; i < ITER; i++)
- {
- fprintf (stderr, ".");
- if (GNUNET_SYSERR == GNUNET_CRYPTO_rsa_sign (hostkey, &purp, &sig))
- {
- fprintf (stderr, "GNUNET_CRYPTO_rsa_sign returned SYSERR\n");
- ok = GNUNET_SYSERR;
- continue;
- }
- if (GNUNET_SYSERR ==
- GNUNET_CRYPTO_rsa_verify (GNUNET_SIGNATURE_PURPOSE_TEST, &purp,
- &sig, &pkey))
- {
- printf ("GNUNET_CRYPTO_rsa_verify failed!\n");
- ok = GNUNET_SYSERR;
- continue;
- }
- if (GNUNET_SYSERR !=
- GNUNET_CRYPTO_rsa_verify
- (GNUNET_SIGNATURE_PURPOSE_TRANSPORT_PONG_OWN, &purp, &sig, &pkey))
- {
- printf ("GNUNET_CRYPTO_rsa_verify failed to fail!\n");
- ok = GNUNET_SYSERR;
- continue;
- }
- }
- printf ("%d RSA sign/verify operations %llums\n", ITER,
- (unsigned long long)
- GNUNET_TIME_absolute_get_duration (start).rel_value);
- GNUNET_CRYPTO_rsa_key_free (hostkey);
- return ok;
-}
+#include <gcrypt.h>
+#include "gnunet_util_lib.h"
-
-#if PERF
-static int
-testSignPerformance ()
-{
- struct GNUNET_CRYPTO_RsaPrivateKey *hostkey;
- struct GNUNET_CRYPTO_RsaSignaturePurpose purp;
- struct GNUNET_CRYPTO_RsaSignature sig;
- struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pkey;
- int i;
- struct GNUNET_TIME_Absolute start;
- int ok = GNUNET_OK;
-
- purp.size = htonl (sizeof (struct GNUNET_CRYPTO_RsaSignaturePurpose));
- purp.purpose = htonl (GNUNET_SIGNATURE_PURPOSE_TEST);
- fprintf (stderr, "W");
- hostkey = GNUNET_CRYPTO_rsa_key_create ();
- GNUNET_CRYPTO_rsa_key_get_public (hostkey, &pkey);
- start = GNUNET_TIME_absolute_get ();
- for (i = 0; i < ITER; i++)
- {
- fprintf (stderr, ".");
- if (GNUNET_SYSERR == GNUNET_CRYPTO_rsa_sign (hostkey, &purp, &sig))
- {
- fprintf (stderr, "GNUNET_CRYPTO_rsa_sign returned SYSERR\n");
- ok = GNUNET_SYSERR;
- continue;
- }
- }
- printf ("%d RSA sign operations %llu ms\n", ITER,
- (unsigned long long)
- GNUNET_TIME_absolute_get_duration (start).rel_value);
- GNUNET_CRYPTO_rsa_key_free (hostkey);
- return ok;
-}
-#endif
-
-
-static int
-testCreateFromFile ()
-{
- struct GNUNET_CRYPTO_RsaPrivateKey *key;
- struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded p1;
- struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded p2;
-
- key = GNUNET_CRYPTO_rsa_key_create_from_file (KEYFILE);
- GNUNET_assert (NULL != key);
- GNUNET_CRYPTO_rsa_key_get_public (key, &p1);
- GNUNET_CRYPTO_rsa_key_free (key);
- key = GNUNET_CRYPTO_rsa_key_create_from_file (KEYFILE);
- GNUNET_assert (NULL != key);
- GNUNET_CRYPTO_rsa_key_get_public (key, &p2);
- GNUNET_assert (0 == memcmp (&p1, &p2, sizeof (p1)));
- GNUNET_CRYPTO_rsa_key_free (key);
- GNUNET_assert (0 == UNLINK (KEYFILE));
- key = GNUNET_CRYPTO_rsa_key_create_from_file (KEYFILE);
- GNUNET_assert (NULL != key);
- GNUNET_CRYPTO_rsa_key_get_public (key, &p2);
- GNUNET_assert (0 != memcmp (&p1, &p2, sizeof (p1)));
- GNUNET_CRYPTO_rsa_key_free (key);
- GNUNET_assert (0 == UNLINK (KEYFILE));
- return GNUNET_OK;
-}
+#define KEY_SIZE 1024
int
-main (int argc, char *argv[])
+main (int argc,
+ char *argv[])
{
- int failureCount = 0;
-
- GNUNET_log_setup ("test-crypto-rsa", "WARNING", NULL);
- GNUNET_CRYPTO_random_disable_entropy_gathering ();
- if (GNUNET_OK != testCreateFromFile ())
- failureCount++;
-#if PERF
- if (GNUNET_OK != testEncryptPerformance ())
- failureCount++;
- if (GNUNET_OK != testSignPerformance ())
- failureCount++;
-#endif
- if (GNUNET_OK != testEncryptDecryptSK ())
- failureCount++;
- if (GNUNET_OK != testEncryptDecrypt ())
- failureCount++;
- if (GNUNET_OK != testSignVerify ())
- failureCount++;
-
- if (failureCount != 0)
- {
- printf ("\n\n%d TESTS FAILED!\n\n", failureCount);
- return -1;
- }
+#define RND_BLK_SIZE 4096
+ unsigned char rnd_blk[RND_BLK_SIZE];
+ 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;
+
+ GNUNET_log_setup ("test-rsa", "WARNING", NULL);
+ GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK,
+ rnd_blk,
+ RND_BLK_SIZE);
+ GNUNET_CRYPTO_hash (rnd_blk,
+ 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_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_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));
+ GNUNET_assert (GNUNET_OK != GNUNET_CRYPTO_rsa_verify (&hash,
+ sig,
+ pub));
+ (void) fprintf (stderr, "The above warning is expected.\n");
+ GNUNET_CRYPTO_rsa_signature_free (sig);
+
+ /* test blind signing */
+ 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_blinded (priv,
+ blind_buf,
+ bsize);
+ GNUNET_free (blind_buf);
+ sig = GNUNET_CRYPTO_rsa_unblind (bsig,
+ &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_public_key_free (pub_copy);
return 0;
-} /* end of main */
+}
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