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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
*/
// Include the file(s) containing the functions to be tested.
// This permits internal static functions to be visible to this Test Framework.
#include "../ccnxValidation_CRC32C.c"
#include <parc/algol/parc_SafeMemory.h>
#include <LongBow/unit-test.h>
#include "testrig_validation.c"
#include <sys/time.h>
/*
* Ground truth set derived from CRC RevEng http://reveng.sourceforge.net
* e.g. reveng -c -m CRC-32C 313233343536373839 gives the canonical check value 0xe306928e
*
* You can also calcaulate them online at http://www.zorc.breitbandkatze.de/crc.html using
* CRC polynomial 0x1EDC6F41, init 0xFFFFFFFF, final 0xFFFFFFFF, reverse data bytes (check),
* and reverse CRC result before final XOR (check).
*
*/
struct test_vector {
uint32_t crc32c;
int length;
uint8_t *buffer;
} vectors[] = {
{ .crc32c = 0xe3069283, .length = 9, .buffer = (uint8_t []) { '1', '2', '3', '4', '5', '6', '7', '8', '9' } },
{ .crc32c = 0xddb65633, .length = 1, .buffer = (uint8_t []) { 0x3D } },
{ .crc32c = 0xc203c1fd, .length = 2, .buffer = (uint8_t []) { 0x3D, 0x41 } },
{ .crc32c = 0x80a9d169, .length = 3, .buffer = (uint8_t []) { 'b', 'e', 'e' } },
{ .crc32c = 0xa099f534, .length = 4, .buffer = (uint8_t []) { 'h', 'e', 'l', 'l' } },
{ .crc32c = 0x9a71bb4c, .length = 5, .buffer = (uint8_t []) { 'h', 'e', 'l', 'l', 'o' } },
{ .crc32c = 0x2976E503, .length = 6, .buffer = (uint8_t []) { 'g', 'r', 'u', 'm', 'p', 'y' } },
{ .crc32c = 0xe627f441, .length = 7, .buffer = (uint8_t []) { 'a', 'b', 'c', 'd', 'e', 'f', 'g' } },
{ .crc32c = 0x2d265c1d, .length = 13, .buffer = (uint8_t []) { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'a', 'b', 'c', 'd', 'e', 'f'} },
{ .crc32c = 0, .length = 0, .buffer = NULL }
};
LONGBOW_TEST_RUNNER(ccnxValidation_CRC32C)
{
// The following Test Fixtures will run their corresponding Test Cases.
// Test Fixtures are run in the order specified, but all tests should be idempotent.
// Never rely on the execution order of tests or share state between them.
LONGBOW_RUN_TEST_FIXTURE(Global);
}
// The Test Runner calls this function once before any Test Fixtures are run.
LONGBOW_TEST_RUNNER_SETUP(ccnxValidation_CRC32C)
{
parcMemory_SetInterface(&PARCSafeMemoryAsPARCMemory);
return LONGBOW_STATUS_SUCCEEDED;
}
// The Test Runner calls this function once after all the Test Fixtures are run.
LONGBOW_TEST_RUNNER_TEARDOWN(ccnxValidation_CRC32C)
{
return LONGBOW_STATUS_SUCCEEDED;
}
// ===========================================================
LONGBOW_TEST_FIXTURE(Global)
{
LONGBOW_RUN_TEST_CASE(Global, ccnxValidationCRC32C_Set);
LONGBOW_RUN_TEST_CASE(Global, ccnxValidationCRC32C_CreateSigner);
LONGBOW_RUN_TEST_CASE(Global, ccnxValidationCRC32C_CreateVerifier);
LONGBOW_RUN_TEST_CASE(Global, ccnxValidationCRC32C_DictionaryCryptoSuiteValue);
}
LONGBOW_TEST_FIXTURE_SETUP(Global)
{
longBowTestCase_SetClipBoardData(testCase, commonSetup());
return LONGBOW_STATUS_SUCCEEDED;
}
LONGBOW_TEST_FIXTURE_TEARDOWN(Global)
{
commonTeardown(longBowTestCase_GetClipBoardData(testCase));
uint32_t outstandingAllocations = parcSafeMemory_ReportAllocation(STDERR_FILENO);
if (outstandingAllocations != 0) {
printf("%s leaks memory by %d allocations\n", longBowTestCase_GetName(testCase), outstandingAllocations);
return LONGBOW_STATUS_MEMORYLEAK;
}
return LONGBOW_STATUS_SUCCEEDED;
}
LONGBOW_TEST_CASE(Global, ccnxValidationCRC32C_Set)
{
// do not test on V0 packets, no support
TestData *data = longBowTestCase_GetClipBoardData(testCase);
testValidationSet_NoParam(data, ccnxValidationCRC32C_Set, ccnxValidationCRC32C_Test, false, true);
}
LONGBOW_TEST_CASE(Global, ccnxValidationCRC32C_CreateSigner)
{
PARCSigner *signer = ccnxValidationCRC32C_CreateSigner();
assertNotNull(signer, "Got null signer");
// now run all the test vectors through it
for (int i = 0; vectors[i].buffer != NULL; i++) {
PARCCryptoHasher *hasher = parcSigner_GetCryptoHasher(signer);
parcCryptoHasher_Init(hasher);
parcCryptoHasher_UpdateBytes(hasher, vectors[i].buffer, vectors[i].length);
PARCCryptoHash *hash = parcCryptoHasher_Finalize(hasher);
PARCSignature *sig = parcSigner_SignDigest(signer, hash);
PARCBuffer *sigbits = parcSignature_GetSignature(sig);
uint32_t testCrc = parcBuffer_GetUint32(sigbits);
assertTrue(testCrc == vectors[i].crc32c,
"CRC32C values wrong, index %d got 0x%08x expected 0x%08x\n",
i, testCrc, vectors[i].crc32c);
parcSignature_Release(&sig);
parcCryptoHash_Release(&hash);
}
parcSigner_Release(&signer);
}
LONGBOW_TEST_CASE(Global, ccnxValidationCRC32C_CreateVerifier)
{
PARCSigner *signer = ccnxValidationCRC32C_CreateSigner();
assertNotNull(signer, "Got null signer");
PARCVerifier *verifier = ccnxValidationCRC32C_CreateVerifier();
assertNotNull(verifier, "Got null verifier");
for (int i = 0; vectors[i].buffer != NULL; i++) {
// Produce the signature
PARCSignature *sig = NULL;
{
PARCCryptoHasher *signingHasher = parcSigner_GetCryptoHasher(signer);
parcCryptoHasher_Init(signingHasher);
parcCryptoHasher_UpdateBytes(signingHasher, vectors[i].buffer, vectors[i].length);
PARCCryptoHash *signingHash = parcCryptoHasher_Finalize(signingHasher);
sig = parcSigner_SignDigest(signer, signingHash);
parcCryptoHash_Release(&signingHash);
}
// Now do the verification stage
PARCCryptoHash *verifierHash = NULL;
{
PARCCryptoHasher *verifyHasher = parcVerifier_GetCryptoHasher(verifier, NULL, PARCCryptoHashType_CRC32C);
parcCryptoHasher_Init(verifyHasher);
parcCryptoHasher_UpdateBytes(verifyHasher, vectors[i].buffer, vectors[i].length);
verifierHash = parcCryptoHasher_Finalize(verifyHasher);
}
bool success = parcVerifier_VerifyDigestSignature(verifier, NULL, verifierHash, PARCCryptoSuite_NULL_CRC32C, sig);
assertTrue(success,
"Failed to verify signature, index %d expected 0x%08x\n",
i, vectors[i].crc32c);
parcSignature_Release(&sig);
parcCryptoHash_Release(&verifierHash);
}
parcSigner_Release(&signer);
parcVerifier_Release(&verifier);
}
LONGBOW_TEST_CASE(Global, ccnxValidationCRC32C_DictionaryCryptoSuiteValue)
{
TestData *data = longBowTestCase_GetClipBoardData(testCase);
CCNxTlvDictionary *dictionary = ccnxContentObject_CreateWithImplAndPayload(&CCNxContentObjectFacadeV1_Implementation,
data->keyname,
CCNxPayloadType_DATA,
NULL);
ccnxValidationCRC32C_Set(dictionary);
uint64_t cryptosuite = ccnxTlvDictionary_GetInteger(dictionary, CCNxCodecSchemaV1TlvDictionary_ValidationFastArray_CRYPTO_SUITE);
assertTrue(cryptosuite == PARCCryptoSuite_NULL_CRC32C, "Unexpected PARCCryptoSuite value in dictionary");
ccnxTlvDictionary_Release(&dictionary);
}
int
main(int argc, char *argv[])
{
LongBowRunner *testRunner = LONGBOW_TEST_RUNNER_CREATE(ccnxValidation_CRC32C);
int exitStatus = longBowMain(argc, argv, testRunner, NULL);
longBowTestRunner_Destroy(&testRunner);
exit(exitStatus);
}
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