/*
* Copyright (c) 2013, Kenneth MacKay
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <glib.h>
#include <stdio.h>
#include <stdbool.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include "src/shared/ecc.h"
#include "src/shared/util.h"
#include "src/shared/tester.h"
static void print_dump(const char *str, void *user_data)
{
tester_debug("%s", str);
}
static void print_buf(const char *label, uint8_t *buf, size_t len)
{
tester_debug("%s", label);
util_hexdump(' ', buf, len, print_dump, NULL);
}
#define PAIR_COUNT 200
static void test_multi(const void *data)
{
uint8_t public1[64], public2[64];
uint8_t private1[32], private2[32];
uint8_t shared1[32], shared2[32];
int i;
tester_debug("Testing %u random private key pairs", PAIR_COUNT);
for (i = 0; i < PAIR_COUNT; i++) {
ecc_make_key(public1, private1);
ecc_make_key(public2, private2);
ecdh_shared_secret(public1, private2, shared1);
ecdh_shared_secret(public2, private1, shared2);
if (memcmp(shared1, shared2, sizeof(shared1)) != 0) {
tester_debug("Shared secrets are not identical!\n");
print_buf("Shared secret 1 = ", shared1,
sizeof(shared1));
print_buf("Shared secret 2 = ", shared2,
sizeof(shared2));
print_buf("Private key 1 = ", private1,
sizeof(private1));
print_buf("Private key 2 = ", private2,
sizeof(private2));
g_assert_not_reached();
}
}
tester_test_passed();
}
static int test_sample(uint8_t priv_a[32], uint8_t priv_b[32],
uint8_t pub_a[64], uint8_t pub_b[64],
uint8_t dhkey[32])
{
uint8_t dhkey_a[32], dhkey_b[32];
int fails = 0;
memset(dhkey_a, 0, sizeof(dhkey_a));
ecdh_shared_secret(pub_b, priv_a, dhkey_a);
memset(dhkey_b, 0, sizeof(dhkey_b));
ecdh_shared_secret(pub_a, priv_b, dhkey_b);
if (g_test_verbose()) {
print_buf("DHKey ", dhkey, 32);
print_buf("DHKey A", dhkey_a, 32);
print_buf("DHKey B", dhkey_b, 32);
}
if (memcmp(dhkey_a, dhkey, 32)) {
tester_debug("DHKey A doesn't match!");
fails++;
} else {
tester_debug("DHKey A matches :)");
}
if (memcmp(dhkey_b, dhkey, 32)) {
tester_debug("DHKey B doesn't match!");
fails++;
} else {
tester_debug("DHKey B matches :)");
}
return fails;
}
static void test_sample_1(const void *data)
{
uint8_t priv_a[32] = { 0xbd, 0x1a, 0x3c, 0xcd, 0xa6, 0xb8, 0x99, 0x58,
0x99, 0xb7, 0x40, 0xeb, 0x7b, 0x60, 0xff, 0x4a,
0x50, 0x3f, 0x10, 0xd2, 0xe3, 0xb3, 0xc9, 0x74,
0x38, 0x5f, 0xc5, 0xa3, 0xd4, 0xf6, 0x49, 0x3f,
};
uint8_t priv_b[32] = { 0xfd, 0xc5, 0x7f, 0xf4, 0x49, 0xdd, 0x4f, 0x6b,
0xfb, 0x7c, 0x9d, 0xf1, 0xc2, 0x9a, 0xcb, 0x59,
0x2a, 0xe7, 0xd4, 0xee, 0xfb, 0xfc, 0x0a, 0x90,
0x9a, 0xbb, 0xf6, 0x32, 0x3d, 0x8b, 0x18, 0x55,
};
uint8_t pub_a[64] = { 0xe6, 0x9d, 0x35, 0x0e, 0x48, 0x01, 0x03, 0xcc,
0xdb, 0xfd, 0xf4, 0xac, 0x11, 0x91, 0xf4, 0xef,
0xb9, 0xa5, 0xf9, 0xe9, 0xa7, 0x83, 0x2c, 0x5e,
0x2c, 0xbe, 0x97, 0xf2, 0xd2, 0x03, 0xb0, 0x20,
0x8b, 0xd2, 0x89, 0x15, 0xd0, 0x8e, 0x1c, 0x74,
0x24, 0x30, 0xed, 0x8f, 0xc2, 0x45, 0x63, 0x76,
0x5c, 0x15, 0x52, 0x5a, 0xbf, 0x9a, 0x32, 0x63,
0x6d, 0xeb, 0x2a, 0x65, 0x49, 0x9c, 0x80, 0xdc,
};
uint8_t pub_b[64] = { 0x90, 0xa1, 0xaa, 0x2f, 0xb2, 0x77, 0x90, 0x55,
0x9f, 0xa6, 0x15, 0x86, 0xfd, 0x8a, 0xb5, 0x47,
0x00, 0x4c, 0x9e, 0xf1, 0x84, 0x22, 0x59, 0x09,
0x96, 0x1d, 0xaf, 0x1f, 0xf0, 0xf0, 0xa1, 0x1e,
0x4a, 0x21, 0xb1, 0x15, 0xf9, 0xaf, 0x89, 0x5f,
0x76, 0x36, 0x8e, 0xe2, 0x30, 0x11, 0x2d, 0x47,
0x60, 0x51, 0xb8, 0x9a, 0x3a, 0x70, 0x56, 0x73,
0x37, 0xad, 0x9d, 0x42, 0x3e, 0xf3, 0x55, 0x4c,
};
uint8_t dhkey[32] = { 0x98, 0xa6, 0xbf, 0x73, 0xf3, 0x34, 0x8d, 0x86,
0xf1, 0x66, 0xf8, 0xb4, 0x13, 0x6b, 0x79, 0x99,
0x9b, 0x7d, 0x39, 0x0a, 0xa6, 0x10, 0x10, 0x34,
0x05, 0xad, 0xc8, 0x57, 0xa3, 0x34, 0x02, 0xec,
};
int fails;
fails = test_sample(priv_a, priv_b, pub_a, pub_b, dhkey);
g_assert(fails == 0);
tester_test_passed();
}
static void test_sample_2(const void *data)
{
uint8_t priv_a[32] = { 0x63, 0x76, 0x45, 0xd0, 0xf7, 0x73, 0xac, 0xb7,
0xff, 0xdd, 0x03, 0x72, 0xb9, 0x72, 0x85, 0xb4,
0x41, 0xb6, 0x5d, 0x0c, 0x5d, 0x54, 0x84, 0x60,
0x1a, 0xa3, 0x9a, 0x3c, 0x69, 0x16, 0xa5, 0x06,
};
uint8_t priv_b[32] = { 0xba, 0x30, 0x55, 0x50, 0x19, 0xa2, 0xca, 0xa3,
0xa5, 0x29, 0x08, 0xc6, 0xb5, 0x03, 0x88, 0x7e,
0x03, 0x2b, 0x50, 0x73, 0xd4, 0x2e, 0x50, 0x97,
0x64, 0xcd, 0x72, 0x0d, 0x67, 0xa0, 0x9a, 0x52,
};
uint8_t pub_a[64] = { 0xdd, 0x78, 0x5c, 0x74, 0x03, 0x9b, 0x7e, 0x98,
0xcb, 0x94, 0x87, 0x4a, 0xad, 0xfa, 0xf8, 0xd5,
0x43, 0x3e, 0x5c, 0xaf, 0xea, 0xb5, 0x4c, 0xf4,
0x9e, 0x80, 0x79, 0x57, 0x7b, 0xa4, 0x31, 0x2c,
0x4f, 0x5d, 0x71, 0x43, 0x77, 0x43, 0xf8, 0xea,
0xd4, 0x3e, 0xbd, 0x17, 0x91, 0x10, 0x21, 0xd0,
0x1f, 0x87, 0x43, 0x8e, 0x40, 0xe2, 0x52, 0xcd,
0xbe, 0xdf, 0x98, 0x38, 0x18, 0x12, 0x95, 0x91,
};
uint8_t pub_b[64] = { 0xcc, 0x00, 0x65, 0xe1, 0xf5, 0x6c, 0x0d, 0xcf,
0xec, 0x96, 0x47, 0x20, 0x66, 0xc9, 0xdb, 0x84,
0x81, 0x75, 0xa8, 0x4d, 0xc0, 0xdf, 0xc7, 0x9d,
0x1b, 0x3f, 0x3d, 0xf2, 0x3f, 0xe4, 0x65, 0xf4,
0x79, 0xb2, 0xec, 0xd8, 0xca, 0x55, 0xa1, 0xa8,
0x43, 0x4d, 0x6b, 0xca, 0x10, 0xb0, 0xc2, 0x01,
0xc2, 0x33, 0x4e, 0x16, 0x24, 0xc4, 0xef, 0xee,
0x99, 0xd8, 0xbb, 0xbc, 0x48, 0xd0, 0x01, 0x02,
};
uint8_t dhkey[32] = { 0x69, 0xeb, 0x21, 0x32, 0xf2, 0xc6, 0x05, 0x41,
0x60, 0x19, 0xcd, 0x5e, 0x94, 0xe1, 0xe6, 0x5f,
0x33, 0x07, 0xe3, 0x38, 0x4b, 0x68, 0xe5, 0x62,
0x3f, 0x88, 0x6d, 0x2f, 0x3a, 0x84, 0x85, 0xab,
};
int fails;
fails = test_sample(priv_a, priv_b, pub_a, pub_b, dhkey);
g_assert(fails == 0);
tester_test_passed();
}
static void test_sample_3(const void *data)
{
uint8_t priv_a[32] = { 0xbd, 0x1a, 0x3c, 0xcd, 0xa6, 0xb8, 0x99, 0x58,
0x99, 0xb7, 0x40, 0xeb, 0x7b, 0x60, 0xff, 0x4a,
0x50, 0x3f, 0x10, 0xd2, 0xe3, 0xb3, 0xc9, 0x74,
0x38, 0x5f, 0xc5, 0xa3, 0xd4, 0xf6, 0x49, 0x3f,
};
uint8_t pub_a[64] = { 0xe6, 0x9d, 0x35, 0x0e, 0x48, 0x01, 0x03, 0xcc,
0xdb, 0xfd, 0xf4, 0xac, 0x11, 0x91, 0xf4, 0xef,
0xb9, 0xa5, 0xf9, 0xe9, 0xa7, 0x83, 0x2c, 0x5e,
0x2c, 0xbe, 0x97, 0xf2, 0xd2, 0x03, 0xb0, 0x20,
0x8b, 0xd2, 0x89, 0x15, 0xd0, 0x8e, 0x1c, 0x74,
0x24, 0x30, 0xed, 0x8f, 0xc2, 0x45, 0x63, 0x76,
0x5c, 0x15, 0x52, 0x5a, 0xbf, 0x9a, 0x32, 0x63,
0x6d, 0xeb, 0x2a, 0x65, 0x49, 0x9c, 0x80, 0xdc,
};
uint8_t dhkey[32] = { 0x2d, 0xab, 0x00, 0x48, 0xcb, 0xb3, 0x7b, 0xda,
0x55, 0x7b, 0x8b, 0x72, 0xa8, 0x57, 0x87, 0xc3,
0x87, 0x27, 0x99, 0x32, 0xfc, 0x79, 0x5f, 0xae,
0x7c, 0x1c, 0xf9, 0x49, 0xe6, 0xd7, 0xaa, 0x70,
};
int fails;
fails = test_sample(priv_a, priv_a, pub_a, pub_a, dhkey);
g_assert(fails == 0);
tester_test_passed();
}
static void test_invalid_pub(const void *data)
{
uint8_t priv_a[32] = { 0xbd, 0x1a, 0x3c, 0xcd, 0xa6, 0xb8, 0x99, 0x58,
0x99, 0xb7, 0x40, 0xeb, 0x7b, 0x60, 0xff, 0x4a,
0x50, 0x3f, 0x10, 0xd2, 0xe3, 0xb3, 0xc9, 0x74,
0x38, 0x5f, 0xc5, 0xa3, 0xd4, 0xf6, 0x49, 0x3f,
};
uint8_t pub_a[64] = { 0xe6, 0x9d, 0x35, 0x0e, 0x48, 0x01, 0x03, 0xcc,
0xdb, 0xfd, 0xf4, 0xac, 0x11, 0x91, 0xf4, 0xef,
0xb9, 0xa5, 0xf9, 0xe9, 0xa7, 0x83, 0x2c, 0x5e,
0x2c, 0xbe, 0x97, 0xf2, 0xd2, 0x03, 0xb0, 0x20,
0x8b, 0xd2, 0x89, 0x15, 0xd0, 0x8e, 0x1c, 0x74,
0x24, 0x30, 0xed, 0x8f, 0xc2, 0x45, 0x63, 0x76,
0x5c, 0x15, 0x52, 0x5a, 0xbf, 0x9a, 0x32, 0x63,
0x6d, 0xeb, 0x2a, 0x65, 0x49, 0x9c, 0x80, 0xdc,
};
uint8_t dhkey[32] = { 0x2d, 0xab, 0x00, 0x48, 0xcb, 0xb3, 0x7b, 0xda,
0x55, 0x7b, 0x8b, 0x72, 0xa8, 0x57, 0x87, 0xc3,
0x87, 0x27, 0x99, 0x32, 0xfc, 0x79, 0x5f, 0xae,
0x7c, 0x1c, 0xf9, 0x49, 0xe6, 0xd7, 0xaa, 0x70,
};
int fails;
memset(pub_a + 32, 0x42, 32);
fails = test_sample(priv_a, priv_a, pub_a, pub_a, dhkey);
g_assert(fails >= 1);
tester_test_passed();
}
int main(int argc, char *argv[])
{
tester_init(&argc, &argv);
tester_add("/ecdh/multi", NULL, NULL, test_multi, NULL);
tester_add("/ecdh/sample/1", NULL, NULL, test_sample_1, NULL);
tester_add("/ecdh/sample/2", NULL, NULL, test_sample_2, NULL);
tester_add("/ecdh/sample/3", NULL, NULL, test_sample_3, NULL);
tester_add("/ecdh/invalid", NULL, NULL, test_invalid_pub, NULL);
return tester_run();
}