diff options
author | Christian Grothoff <christian@grothoff.org> | 2015-09-03 14:19:46 +0000 |
---|---|---|
committer | Christian Grothoff <christian@grothoff.org> | 2015-09-03 14:19:46 +0000 |
commit | 526a96f0b6eb60899a1eaa2b281b2728980c5ee0 (patch) | |
tree | c8aade8e658e7bae319f9c94f80cb517f18ae946 /src/util | |
parent | 8049927717b940abf3af8e697eb381871a3ca3d5 (diff) |
-add benchmark for RSA crypto
Diffstat (limited to 'src/util')
-rw-r--r-- | src/util/Makefile.am | 6 | ||||
-rw-r--r-- | src/util/crypto_rsa.c | 20 | ||||
-rw-r--r-- | src/util/perf_crypto_rsa.c | 204 |
3 files changed, 229 insertions, 1 deletions
diff --git a/src/util/Makefile.am b/src/util/Makefile.am index ca3a361aad..90a0717ab4 100644 --- a/src/util/Makefile.am +++ b/src/util/Makefile.am @@ -248,6 +248,7 @@ libgnunet_plugin_test_la_LDFLAGS = \ if HAVE_BENCHMARKS BENCHMARKS = \ perf_crypto_hash \ + perf_crypto_rsa \ perf_crypto_paillier \ perf_crypto_symmetric \ perf_crypto_asymmetric \ @@ -626,6 +627,11 @@ perf_crypto_hash_SOURCES = \ perf_crypto_hash_LDADD = \ libgnunetutil.la +perf_crypto_rsa_SOURCES = \ + perf_crypto_rsa.c +perf_crypto_rsa_LDADD = \ + libgnunetutil.la + perf_crypto_symmetric_SOURCES = \ perf_crypto_symmetric.c perf_crypto_symmetric_LDADD = \ diff --git a/src/util/crypto_rsa.c b/src/util/crypto_rsa.c index 3b36cc3415..bde77ad560 100644 --- a/src/util/crypto_rsa.c +++ b/src/util/crypto_rsa.c @@ -608,7 +608,7 @@ GNUNET_CRYPTO_rsa_blinding_key_encode (const struct GNUNET_CRYPTO_rsa_BlindingKe */ struct GNUNET_CRYPTO_rsa_BlindingKey * GNUNET_CRYPTO_rsa_blinding_key_decode (const char *buf, - size_t len) + size_t len) { struct GNUNET_CRYPTO_rsa_BlindingKey *bkey; size_t rsize; @@ -753,6 +753,7 @@ GNUNET_CRYPTO_rsa_sign (const struct GNUNET_CRYPTO_rsa_PrivateKey *key, size_t msg_len) { struct GNUNET_CRYPTO_rsa_Signature *sig; + struct GNUNET_CRYPTO_rsa_PublicKey *public_key; gcry_sexp_t result; gcry_sexp_t data; @@ -766,6 +767,23 @@ GNUNET_CRYPTO_rsa_sign (const struct GNUNET_CRYPTO_rsa_PrivateKey *key, GNUNET_break (0); return NULL; } + + /* verify signature (guards against Lenstra's attack with fault injection...) */ + public_key = GNUNET_CRYPTO_rsa_private_key_get_public (key); + if (0 != + gcry_pk_verify (result, + data, + public_key->sexp)) + { + GNUNET_break (0); + GNUNET_CRYPTO_rsa_public_key_free (public_key); + gcry_sexp_release (data); + gcry_sexp_release (result); + return NULL; + } + GNUNET_CRYPTO_rsa_public_key_free (public_key); + + /* return signature */ gcry_sexp_release (data); sig = GNUNET_new (struct GNUNET_CRYPTO_rsa_Signature); sig->sexp = result; diff --git a/src/util/perf_crypto_rsa.c b/src/util/perf_crypto_rsa.c new file mode 100644 index 0000000000..b2cf5cb613 --- /dev/null +++ b/src/util/perf_crypto_rsa.c @@ -0,0 +1,204 @@ +/* + This file is part of GNUnet. + Copyright (C) 2014 Christian Grothoff (and other contributing authors) + + 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., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + +/** + * @author Christian Grothoff + * @file util/perf_crypto_rsa.c + * @brief measure performance of RSA signing + */ +#include "platform.h" +#include "gnunet_util_lib.h" +#include <gauger.h> + + +/** + * Evaluate RSA performance. + * + * @param len keylength to evaluate with + */ +static void +eval (unsigned int len) +{ + struct GNUNET_TIME_Absolute start; + struct GNUNET_CRYPTO_rsa_Signature *sig; + struct GNUNET_CRYPTO_rsa_Signature *rsig; + struct GNUNET_CRYPTO_rsa_PublicKey *public_key; + struct GNUNET_CRYPTO_rsa_PrivateKey *private_key; + struct GNUNET_CRYPTO_rsa_BlindingKey *bkey; + unsigned int i; + char sbuf[128]; + char *bbuf; + size_t bbuf_len; + struct GNUNET_HashCode hc; + + start = GNUNET_TIME_absolute_get (); + for (i=0;i<10;i++) + { + private_key = GNUNET_CRYPTO_rsa_private_key_create (len); + GNUNET_CRYPTO_rsa_private_key_free (private_key); + } + printf ("10x %u-key generation took %s\n", + len, + GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start), + GNUNET_YES)); + GNUNET_snprintf (sbuf, + sizeof (sbuf), + "RSA %u-key generation", + len); + GAUGER ("UTIL", sbuf, + 64 * 1024 / (1 + + GNUNET_TIME_absolute_get_duration + (start).rel_value_us / 1000LL), "keys/ms"); + private_key = GNUNET_CRYPTO_rsa_private_key_create (len); + public_key = GNUNET_CRYPTO_rsa_private_key_get_public (private_key); + start = GNUNET_TIME_absolute_get (); + for (i=0;i<10;i++) + { + bkey = GNUNET_CRYPTO_rsa_blinding_key_create (len); + GNUNET_CRYPTO_rsa_blinding_key_free (bkey); + } + printf ("10x %u-blinding key generation took %s\n", + len, + GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start), + GNUNET_YES)); + GNUNET_snprintf (sbuf, + sizeof (sbuf), + "RSA %u-blinding key generation", + len); + GAUGER ("UTIL", sbuf, + 64 * 1024 / (1 + + GNUNET_TIME_absolute_get_duration + (start).rel_value_us / 1000LL), "keys/ms"); + bkey = GNUNET_CRYPTO_rsa_blinding_key_create (len); + start = GNUNET_TIME_absolute_get (); + GNUNET_CRYPTO_hash ("test", 4, &hc); + for (i=0;i<10;i++) + { + bbuf_len = GNUNET_CRYPTO_rsa_blind (&hc, + bkey, + public_key, + &bbuf); + GNUNET_free (bbuf); + } + printf ("10x %u-blinding took %s\n", + len, + GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start), + GNUNET_YES)); + GNUNET_snprintf (sbuf, + sizeof (sbuf), + "RSA %u-blinding", + len); + GAUGER ("UTIL", + sbuf, + 64 * 1024 / (1 + + GNUNET_TIME_absolute_get_duration + (start).rel_value_us / 1000LL), "ops/ms"); + bbuf_len = GNUNET_CRYPTO_rsa_blind (&hc, + bkey, + public_key, + &bbuf); + start = GNUNET_TIME_absolute_get (); + for (i=0;i<10;i++) + { + sig = GNUNET_CRYPTO_rsa_sign (private_key, + bbuf, + bbuf_len); + GNUNET_CRYPTO_rsa_signature_free (sig); + } + printf ("10x %u-signing took %s\n", + len, + GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start), + GNUNET_YES)); + GNUNET_snprintf (sbuf, + sizeof (sbuf), + "RSA %u-signing", + len); + GAUGER ("UTIL", + sbuf, + 64 * 1024 / (1 + + GNUNET_TIME_absolute_get_duration + (start).rel_value_us / 1000LL), "ops/ms"); + sig = GNUNET_CRYPTO_rsa_sign (private_key, + bbuf, + bbuf_len); + start = GNUNET_TIME_absolute_get (); + for (i=0;i<10;i++) + { + rsig = GNUNET_CRYPTO_rsa_unblind (sig, + bkey, + public_key); + GNUNET_CRYPTO_rsa_signature_free (rsig); + } + printf ("10x %u-unblinding took %s\n", + len, + GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start), + GNUNET_YES)); + GNUNET_snprintf (sbuf, + sizeof (sbuf), + "RSA %u-unblinding", + len); + GAUGER ("UTIL", + sbuf, + 64 * 1024 / (1 + + GNUNET_TIME_absolute_get_duration + (start).rel_value_us / 1000LL), "ops/ms"); + rsig = GNUNET_CRYPTO_rsa_unblind (sig, + bkey, + public_key); + start = GNUNET_TIME_absolute_get (); + for (i=0;i<10;i++) + { + GNUNET_assert (GNUNET_OK == + GNUNET_CRYPTO_rsa_verify (&hc, + rsig, + public_key)); + } + printf ("10x %u-verifying took %s\n", + len, + GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (start), + GNUNET_YES)); + GNUNET_snprintf (sbuf, + sizeof (sbuf), + "RSA %u-verification", + len); + GAUGER ("UTIL", + sbuf, + 64 * 1024 / (1 + + GNUNET_TIME_absolute_get_duration + (start).rel_value_us / 1000LL), "ops/ms"); + GNUNET_CRYPTO_rsa_signature_free (sig); + GNUNET_CRYPTO_rsa_public_key_free (public_key); + GNUNET_CRYPTO_rsa_private_key_free (private_key); + GNUNET_CRYPTO_rsa_blinding_key_free (bkey); + GNUNET_free (bbuf); +} + + +int +main (int argc, char *argv[]) +{ + eval (1024); + eval (2048); + /* eval (4096); */ + return 0; +} + + +/* end of perf_crypto_rsa.c */ |