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| author | Nicolas Boichat <drinkcat@google.com> | 2017-06-29 11:20:15 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2017-07-03 19:19:09 -0700 |
| commit | 136a80e1138633c2f2ac249c15078b587af9c7ec (patch) | |
| tree | 2a76410dc566be13289ecebf71d70ef2233effc2 /test | |
| parent | a1fd89e2d717414c05f4360e4074f0341ebabe01 (diff) | |
| download | chrome-ec-136a80e1138633c2f2ac249c15078b587af9c7ec.tar.gz | |
test/x25519: Optionally test 1 million iterations of x25519
BRANCH=none
BUG=b:62813194
TEST=#define TEST_X25519_1M_ITERATIONS in test/x25519.c
Increase timeout in util/run_host_test to 1000 seconds
make run-x25519 -j
Change-Id: I8157d756df3e1a6573791ff6aab458acffae0f0c
Reviewed-on: https://chromium-review.googlesource.com/554439
Commit-Ready: Nicolas Boichat <drinkcat@chromium.org>
Tested-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
Diffstat (limited to 'test')
| -rw-r--r-- | test/x25519.c | 35 |
1 files changed, 32 insertions, 3 deletions
diff --git a/test/x25519.c b/test/x25519.c index 07faafaae2..96f0de0287 100644 --- a/test/x25519.c +++ b/test/x25519.c @@ -20,6 +20,11 @@ #include "util.h" #include "watchdog.h" +/* + * Define this to test 1 million iterations of x25519 (takes up to + * a few minutes on host, up to a few days on microcontroller). + */ +#undef TEST_X25519_1M_ITERATIONS static int test_x25519(void) { @@ -103,12 +108,20 @@ static int test_x25519_small_order(void) static int test_x25519_iterated(void) { /* Taken from https://tools.ietf.org/html/rfc7748#section-5.2 */ - static const uint8_t expected[32] = { + static const uint8_t expected_1K[32] = { 0x68, 0x4c, 0xf5, 0x9b, 0xa8, 0x33, 0x09, 0x55, 0x28, 0x00, 0xef, 0x56, 0x6f, 0x2f, 0x4d, 0x3c, 0x1c, 0x38, 0x87, 0xc4, 0x93, 0x60, 0xe3, 0x87, 0x5f, 0x2e, 0xb9, 0x4d, 0x99, 0x53, 0x2c, 0x51, }; +#ifdef TEST_X25519_1M_ITERATIONS + static const uint8_t expected_1M[32] = { + 0x7c, 0x39, 0x11, 0xe0, 0xab, 0x25, 0x86, 0xfd, + 0x86, 0x44, 0x97, 0x29, 0x7e, 0x57, 0x5e, 0x6f, + 0x3b, 0xc6, 0x01, 0xc0, 0x88, 0x3c, 0x30, 0xdf, + 0x5f, 0x4d, 0xd2, 0xd2, 0x4f, 0x66, 0x54, 0x24 + }; +#endif uint8_t scalar[32] = {9}, point[32] = {9}, out[32]; unsigned i; @@ -119,10 +132,26 @@ static int test_x25519_iterated(void) memcpy(scalar, out, sizeof(scalar)); } - if (memcmp(expected, scalar, sizeof(expected)) != 0) { - ccprintf("Iterated X25519 test failed\n"); + if (memcmp(expected_1K, scalar, sizeof(expected_1K)) != 0) { + ccprintf("1,000 iterations X25519 test failed\n"); + return 0; + } + +#ifdef TEST_X25519_1M_ITERATIONS + for (; i < 1000000; i++) { + watchdog_reload(); + X25519(out, scalar, point); + memcpy(point, scalar, sizeof(point)); + memcpy(scalar, out, sizeof(scalar)); + if ((i % 10000) == 0) + ccprints("%d", i); + } + + if (memcmp(expected_1M, scalar, sizeof(expected_1M)) != 0) { + ccprintf("1,000,000 iterations X25519 test failed\n"); return 0; } +#endif return 1; } |