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/>.
SPDX-License-Identifier: AGPL3.0-or-later
-*/
+ */
/**
* @file util/test_crypto_paillier.c
* @brief testcase paillier crypto
static int
-test_crypto ()
+test_crypto()
{
gcry_mpi_t plaintext;
gcry_mpi_t plaintext_result;
struct GNUNET_CRYPTO_PaillierPrivateKey private_key;
int ret = 0;
- GNUNET_CRYPTO_paillier_create (&public_key,
- &private_key);
- GNUNET_assert (NULL != (plaintext = gcry_mpi_new (0)));
- GNUNET_assert (NULL != (plaintext_result = gcry_mpi_new (0)));
- gcry_mpi_randomize (plaintext,
- GNUNET_CRYPTO_PAILLIER_BITS / 2,
- GCRY_WEAK_RANDOM);
-
- GNUNET_CRYPTO_paillier_encrypt (&public_key,
- plaintext,
- 0 /* 0 hom ops */,
- &ciphertext);
- GNUNET_CRYPTO_paillier_decrypt (&private_key,
- &public_key,
- &ciphertext,
- plaintext_result);
- if (0 != gcry_mpi_cmp (plaintext,
- plaintext_result))
- {
- fprintf (stderr,
- "Paillier decryption failed with plaintext of size %u\n",
- gcry_mpi_get_nbits (plaintext));
- gcry_log_debugmpi ("\n",
- plaintext);
- gcry_log_debugmpi ("\n",
- plaintext_result);
- ret = 1;
- }
- gcry_mpi_release (plaintext);
- gcry_mpi_release (plaintext_result);
+ GNUNET_CRYPTO_paillier_create(&public_key,
+ &private_key);
+ GNUNET_assert(NULL != (plaintext = gcry_mpi_new(0)));
+ GNUNET_assert(NULL != (plaintext_result = gcry_mpi_new(0)));
+ gcry_mpi_randomize(plaintext,
+ GNUNET_CRYPTO_PAILLIER_BITS / 2,
+ GCRY_WEAK_RANDOM);
+
+ GNUNET_CRYPTO_paillier_encrypt(&public_key,
+ plaintext,
+ 0 /* 0 hom ops */,
+ &ciphertext);
+ GNUNET_CRYPTO_paillier_decrypt(&private_key,
+ &public_key,
+ &ciphertext,
+ plaintext_result);
+ if (0 != gcry_mpi_cmp(plaintext,
+ plaintext_result))
+ {
+ fprintf(stderr,
+ "Paillier decryption failed with plaintext of size %u\n",
+ gcry_mpi_get_nbits(plaintext));
+ gcry_log_debugmpi("\n",
+ plaintext);
+ gcry_log_debugmpi("\n",
+ plaintext_result);
+ ret = 1;
+ }
+ gcry_mpi_release(plaintext);
+ gcry_mpi_release(plaintext_result);
return ret;
}
static int
-test_hom_simple (unsigned int a,
- unsigned int b)
+test_hom_simple(unsigned int a,
+ unsigned int b)
{
gcry_mpi_t m1;
gcry_mpi_t m2;
struct GNUNET_CRYPTO_PaillierPrivateKey private_key;
int ret = 0;
- GNUNET_CRYPTO_paillier_create (&public_key,
- &private_key);
-
- GNUNET_assert (NULL != (m1 = gcry_mpi_new (0)));
- GNUNET_assert (NULL != (m2 = gcry_mpi_new (0)));
- GNUNET_assert (NULL != (result = gcry_mpi_new (0)));
- GNUNET_assert (NULL != (hom_result = gcry_mpi_new (0)));
- m1 = gcry_mpi_set_ui (m1, a);
- m2 = gcry_mpi_set_ui (m2, b);
- gcry_mpi_add (result,
- m1,
- m2);
- GNUNET_CRYPTO_paillier_encrypt (&public_key,
- m1,
- 2,
- &c1);
- GNUNET_CRYPTO_paillier_encrypt (&public_key,
- m2,
- 2,
- &c2);
- GNUNET_CRYPTO_paillier_hom_add (&public_key,
- &c1,
- &c2,
- &c_result);
- GNUNET_CRYPTO_paillier_decrypt (&private_key,
- &public_key,
- &c_result,
- hom_result);
- if (0 != gcry_mpi_cmp (result, hom_result))
- {
- fprintf (stderr,
- "GNUNET_CRYPTO_paillier failed simple math!\n");
- gcry_log_debugmpi ("got ", hom_result);
- gcry_log_debugmpi ("wanted ", result);
- ret = 1;
- }
- gcry_mpi_release (m1);
- gcry_mpi_release (m2);
- gcry_mpi_release (result);
- gcry_mpi_release (hom_result);
+ GNUNET_CRYPTO_paillier_create(&public_key,
+ &private_key);
+
+ GNUNET_assert(NULL != (m1 = gcry_mpi_new(0)));
+ GNUNET_assert(NULL != (m2 = gcry_mpi_new(0)));
+ GNUNET_assert(NULL != (result = gcry_mpi_new(0)));
+ GNUNET_assert(NULL != (hom_result = gcry_mpi_new(0)));
+ m1 = gcry_mpi_set_ui(m1, a);
+ m2 = gcry_mpi_set_ui(m2, b);
+ gcry_mpi_add(result,
+ m1,
+ m2);
+ GNUNET_CRYPTO_paillier_encrypt(&public_key,
+ m1,
+ 2,
+ &c1);
+ GNUNET_CRYPTO_paillier_encrypt(&public_key,
+ m2,
+ 2,
+ &c2);
+ GNUNET_CRYPTO_paillier_hom_add(&public_key,
+ &c1,
+ &c2,
+ &c_result);
+ GNUNET_CRYPTO_paillier_decrypt(&private_key,
+ &public_key,
+ &c_result,
+ hom_result);
+ if (0 != gcry_mpi_cmp(result, hom_result))
+ {
+ fprintf(stderr,
+ "GNUNET_CRYPTO_paillier failed simple math!\n");
+ gcry_log_debugmpi("got ", hom_result);
+ gcry_log_debugmpi("wanted ", result);
+ ret = 1;
+ }
+ gcry_mpi_release(m1);
+ gcry_mpi_release(m2);
+ gcry_mpi_release(result);
+ gcry_mpi_release(hom_result);
return ret;
}
static int
-test_hom ()
+test_hom()
{
int ret;
gcry_mpi_t m1;
struct GNUNET_CRYPTO_PaillierPublicKey public_key;
struct GNUNET_CRYPTO_PaillierPrivateKey private_key;
- GNUNET_CRYPTO_paillier_create (&public_key,
- &private_key);
+ GNUNET_CRYPTO_paillier_create(&public_key,
+ &private_key);
- GNUNET_assert (NULL != (m1 = gcry_mpi_new (0)));
- GNUNET_assert (NULL != (m2 = gcry_mpi_new (0)));
- GNUNET_assert (NULL != (result = gcry_mpi_new (0)));
- GNUNET_assert (NULL != (hom_result = gcry_mpi_new (0)));
- m1 = gcry_mpi_set_ui (m1, 1);
+ GNUNET_assert(NULL != (m1 = gcry_mpi_new(0)));
+ GNUNET_assert(NULL != (m2 = gcry_mpi_new(0)));
+ GNUNET_assert(NULL != (result = gcry_mpi_new(0)));
+ GNUNET_assert(NULL != (hom_result = gcry_mpi_new(0)));
+ m1 = gcry_mpi_set_ui(m1, 1);
/* m1 = m1 * 2 ^ (GCPB - 3) */
- gcry_mpi_mul_2exp (m1,
- m1,
- GNUNET_CRYPTO_PAILLIER_BITS - 3);
- m2 = gcry_mpi_set_ui (m2, 15);
+ gcry_mpi_mul_2exp(m1,
+ m1,
+ GNUNET_CRYPTO_PAILLIER_BITS - 3);
+ m2 = gcry_mpi_set_ui(m2, 15);
/* m1 = m1 * 2 ^ (GCPB / 2) */
- gcry_mpi_mul_2exp (m2,
- m2,
- GNUNET_CRYPTO_PAILLIER_BITS / 2);
- gcry_mpi_add (result,
- m1,
- m2);
-
- if (1 != (ret = GNUNET_CRYPTO_paillier_encrypt (&public_key,
- m1,
- 2,
- &c1)))
- {
- fprintf (stderr,
- "GNUNET_CRYPTO_paillier_encrypt 1 failed, should return 1 allowed operation, got %d!\n",
- ret);
- ret = 1;
- goto out;
- }
- if (2 != (ret = GNUNET_CRYPTO_paillier_encrypt (&public_key,
- m2,
- 2,
- &c2)))
- {
- fprintf (stderr,
- "GNUNET_CRYPTO_paillier_encrypt 2 failed, should return 2 allowed operation, got %d!\n",
- ret);
- ret = 1;
- goto out;
- }
-
- if (0 != (ret = GNUNET_CRYPTO_paillier_hom_add (&public_key,
- &c1,
- &c2,
- &c_result)))
- {
- fprintf (stderr,
- "GNUNET_CRYPTO_paillier_hom_add failed, expected 0 remaining operations, got %d!\n",
- ret);
- ret = 1;
- goto out;
- }
-
- GNUNET_CRYPTO_paillier_decrypt (&private_key,
- &public_key,
- &c_result,
- hom_result);
-
- if (0 != gcry_mpi_cmp (result, hom_result))
- {
- fprintf (stderr,
- "GNUNET_CRYPTO_paillier miscalculated with large numbers!\n");
- gcry_log_debugmpi ("got", hom_result);
- gcry_log_debugmpi ("wanted", result);
- ret = 1;
- }
+ gcry_mpi_mul_2exp(m2,
+ m2,
+ GNUNET_CRYPTO_PAILLIER_BITS / 2);
+ gcry_mpi_add(result,
+ m1,
+ m2);
+
+ if (1 != (ret = GNUNET_CRYPTO_paillier_encrypt(&public_key,
+ m1,
+ 2,
+ &c1)))
+ {
+ fprintf(stderr,
+ "GNUNET_CRYPTO_paillier_encrypt 1 failed, should return 1 allowed operation, got %d!\n",
+ ret);
+ ret = 1;
+ goto out;
+ }
+ if (2 != (ret = GNUNET_CRYPTO_paillier_encrypt(&public_key,
+ m2,
+ 2,
+ &c2)))
+ {
+ fprintf(stderr,
+ "GNUNET_CRYPTO_paillier_encrypt 2 failed, should return 2 allowed operation, got %d!\n",
+ ret);
+ ret = 1;
+ goto out;
+ }
+
+ if (0 != (ret = GNUNET_CRYPTO_paillier_hom_add(&public_key,
+ &c1,
+ &c2,
+ &c_result)))
+ {
+ fprintf(stderr,
+ "GNUNET_CRYPTO_paillier_hom_add failed, expected 0 remaining operations, got %d!\n",
+ ret);
+ ret = 1;
+ goto out;
+ }
+
+ GNUNET_CRYPTO_paillier_decrypt(&private_key,
+ &public_key,
+ &c_result,
+ hom_result);
+
+ if (0 != gcry_mpi_cmp(result, hom_result))
+ {
+ fprintf(stderr,
+ "GNUNET_CRYPTO_paillier miscalculated with large numbers!\n");
+ gcry_log_debugmpi("got", hom_result);
+ gcry_log_debugmpi("wanted", result);
+ ret = 1;
+ }
out:
- gcry_mpi_release (m1);
- gcry_mpi_release (m2);
- gcry_mpi_release (result);
- gcry_mpi_release (hom_result);
+ gcry_mpi_release(m1);
+ gcry_mpi_release(m2);
+ gcry_mpi_release(result);
+ gcry_mpi_release(hom_result);
return ret;
}
int
-main (int argc,
- char *argv[])
+main(int argc,
+ char *argv[])
{
int ret;
- ret = test_crypto ();
+
+ ret = test_crypto();
if (0 != ret)
return ret;
- ret = test_hom_simple (2,4);
+ ret = test_hom_simple(2, 4);
if (0 != ret)
return ret;
- ret = test_hom_simple (13,17);
+ ret = test_hom_simple(13, 17);
if (0 != ret)
return ret;
- ret = test_hom ();
+ ret = test_hom();
return ret;
}
projects / oweals / gnunet.git / blobdiff