HMACTest.cpp - mozsearch

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#include <string>

#include "gtest/gtest.h"

#include "ScopedNSSTypes.h"

#include "mozilla/gtest/MozAssertions.h"

#include "mozilla/Span.h"

#include "nss.h"

#include "secoidt.h"

// From RFC 2202

const unsigned char kTestKey[] = "Jefe";

const unsigned char kTestInput[] = "what do ya want for nothing?";

struct HMACTestCase {

  SECOidTag hashAlg;

  std::string expectedOutput;

};

#define EXPECTED_RESULT(val) std::string(val, sizeof(val) - 1)

static const HMACTestCase HMACTestCases[] = {

        SEC_OID_MD5,

        EXPECTED_RESULT(

            "\x75\x0c\x78\x3e\x6a\xb0\xb5\x03\xea\xa8\x6e\x31\x0a\x5d\xb7\x38"),

},

        SEC_OID_SHA256,

        EXPECTED_RESULT(

            "\x5b\xdc\xc1\x46\xbf\x60\x75\x4e\x6a\x04\x24\x26\x08\x95\x75\xc7"

            "\x5a\x00\x3f\x08\x9d\x27\x39\x83\x9d\xec\x58\xb9\x64\xec\x38\x43"),

},

};

#undef EXPECTED_RESULT

class psm_HMAC : public ::testing::Test,

                 public ::testing::WithParamInterface<HMACTestCase> {

 public:

  void SetUp() override { NSS_NoDB_Init(nullptr); }

};

TEST_P(psm_HMAC, Test) {

  mozilla::HMAC hmac;

  const HMACTestCase& testCase(GetParam());

  nsresult rv = hmac.Begin(testCase.hashAlg,

                           mozilla::Span(kTestKey, sizeof(kTestKey) - 1));

  ASSERT_NS_SUCCEEDED(rv);

  rv = hmac.Update(reinterpret_cast<const unsigned char*>(kTestInput),

                   sizeof(kTestInput) - 1);

  ASSERT_NS_SUCCEEDED(rv);

  nsTArray<uint8_t> output;

  rv = hmac.End(output);

  ASSERT_NS_SUCCEEDED(rv);

  EXPECT_EQ(output.Length(), testCase.expectedOutput.length());

  for (size_t i = 0; i < output.Length(); i++) {

    EXPECT_EQ(char(output[i]), testCase.expectedOutput[i]);

INSTANTIATE_TEST_SUITE_P(psm_HMAC, psm_HMAC,

                         ::testing::ValuesIn(HMACTestCases));