7 files changed, 1616 insertions, 0 deletions
diff --git a/security/certverifier/tests/gtest/CTLogVerifierTest.cpp b/security/certverifier/tests/gtest/CTLogVerifierTest.cpp
new file mode 100644
index 000000000..2cf0085a1
--- /dev/null
+++ b/security/certverifier/tests/gtest/CTLogVerifierTest.cpp
@@ -0,0 +1,129 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "CTLogVerifier.h"
+#include "CTTestUtils.h"
+#include "nss.h"
+
+#include "gtest/gtest.h"
+
+namespace mozilla { namespace ct {
+
+using namespace pkix;
+
+class CTLogVerifierTest : public ::testing::Test
+{
+public:
+  void SetUp() override
+  {
+    // Does nothing if NSS is already initialized.
+    MOZ_RELEASE_ASSERT(NSS_NoDB_Init(nullptr) == SECSuccess);
+
+    ASSERT_EQ(Success, mLog.Init(InputForBuffer(GetTestPublicKey())));
+    ASSERT_EQ(GetTestPublicKeyId(), mLog.keyId());
+  }
+
+protected:
+  CTLogVerifier mLog;
+};
+
+TEST_F(CTLogVerifierTest, VerifiesCertSCT)
+{
+  LogEntry certEntry;
+  GetX509CertLogEntry(certEntry);
+
+  SignedCertificateTimestamp certSct;
+  GetX509CertSCT(certSct);
+
+  EXPECT_EQ(Success, mLog.Verify(certEntry, certSct));
+}
+
+TEST_F(CTLogVerifierTest, VerifiesPrecertSCT)
+{
+  LogEntry precertEntry;
+  GetPrecertLogEntry(precertEntry);
+
+  SignedCertificateTimestamp precertSct;
+  GetPrecertSCT(precertSct);
+
+  EXPECT_EQ(Success, mLog.Verify(precertEntry, precertSct));
+}
+
+TEST_F(CTLogVerifierTest, FailsInvalidTimestamp)
+{
+  LogEntry certEntry;
+  GetX509CertLogEntry(certEntry);
+
+  SignedCertificateTimestamp certSct;
+  GetX509CertSCT(certSct);
+
+  // Mangle the timestamp, so that it should fail signature validation.
+  certSct.timestamp = 0;
+
+  EXPECT_EQ(Result::ERROR_BAD_SIGNATURE, mLog.Verify(certEntry, certSct));
+}
+
+TEST_F(CTLogVerifierTest, FailsInvalidSignature)
+{
+  LogEntry certEntry;
+  GetX509CertLogEntry(certEntry);
+
+  // Mangle the signature, making VerifyECDSASignedDigestNSS (used by
+  // CTLogVerifier) return ERROR_BAD_SIGNATURE.
+  SignedCertificateTimestamp certSct;
+  GetX509CertSCT(certSct);
+  certSct.signature.signatureData[20] ^= '\xFF';
+  EXPECT_EQ(Result::ERROR_BAD_SIGNATURE, mLog.Verify(certEntry, certSct));
+
+  // Make VerifyECDSASignedDigestNSS return ERROR_BAD_DER. We still expect
+  // the verifier to return ERROR_BAD_SIGNATURE.
+  SignedCertificateTimestamp certSct2;
+  GetX509CertSCT(certSct2);
+  certSct2.signature.signatureData[0] ^= '\xFF';
+  EXPECT_EQ(Result::ERROR_BAD_SIGNATURE, mLog.Verify(certEntry, certSct2));
+}
+
+TEST_F(CTLogVerifierTest, FailsInvalidLogID)
+{
+  LogEntry certEntry;
+  GetX509CertLogEntry(certEntry);
+
+  SignedCertificateTimestamp certSct;
+  GetX509CertSCT(certSct);
+
+  // Mangle the log ID, which should cause it to match a different log before
+  // attempting signature validation.
+  MOZ_RELEASE_ASSERT(certSct.logId.append('\x0'));
+
+  EXPECT_EQ(Result::FATAL_ERROR_INVALID_ARGS, mLog.Verify(certEntry, certSct));
+}
+
+TEST_F(CTLogVerifierTest, VerifiesValidSTH)
+{
+  SignedTreeHead sth;
+  GetSampleSignedTreeHead(sth);
+  EXPECT_EQ(Success, mLog.VerifySignedTreeHead(sth));
+}
+
+TEST_F(CTLogVerifierTest, DoesNotVerifyInvalidSTH)
+{
+  SignedTreeHead sth;
+  GetSampleSignedTreeHead(sth);
+  sth.sha256RootHash[0] ^= '\xFF';
+  EXPECT_EQ(Result::ERROR_BAD_SIGNATURE, mLog.VerifySignedTreeHead(sth));
+}
+
+// Test that excess data after the public key is rejected.
+TEST_F(CTLogVerifierTest, ExcessDataInPublicKey)
+{
+  Buffer key = GetTestPublicKey();
+  MOZ_RELEASE_ASSERT(key.append("extra", 5));
+
+  CTLogVerifier log;
+  EXPECT_NE(Success, log.Init(InputForBuffer(key)));
+}
+
+} }  // namespace mozilla::ct
diff --git a/security/certverifier/tests/gtest/CTObjectsExtractorTest.cpp b/security/certverifier/tests/gtest/CTObjectsExtractorTest.cpp
new file mode 100644
index 000000000..a00a47bf2
--- /dev/null
+++ b/security/certverifier/tests/gtest/CTObjectsExtractorTest.cpp
@@ -0,0 +1,83 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "CTLogVerifier.h"
+#include "CTObjectsExtractor.h"
+#include "CTSerialization.h"
+#include "CTTestUtils.h"
+#include "gtest/gtest.h"
+#include "nss.h"
+
+namespace mozilla { namespace ct {
+
+using namespace pkix;
+
+class CTObjectsExtractorTest : public ::testing::Test
+{
+public:
+  void SetUp() override
+  {
+    // Does nothing if NSS is already initialized.
+    MOZ_RELEASE_ASSERT(NSS_NoDB_Init(nullptr) == SECSuccess);
+
+    mTestCert = GetDEREncodedX509Cert();
+    mEmbeddedCert = GetDEREncodedTestEmbeddedCert();
+    mCaCert = GetDEREncodedCACert();
+    mCaCertSPKI = ExtractCertSPKI(mCaCert);
+
+    Buffer logPublicKey = GetTestPublicKey();
+    ASSERT_EQ(Success, mLog.Init(InputForBuffer(logPublicKey)));
+  }
+
+protected:
+  Buffer mTestCert;
+  Buffer mEmbeddedCert;
+  Buffer mCaCert;
+  Buffer mCaCertSPKI;
+  CTLogVerifier mLog;
+};
+
+TEST_F(CTObjectsExtractorTest, ExtractPrecert)
+{
+  LogEntry entry;
+  ASSERT_EQ(Success,
+            GetPrecertLogEntry(InputForBuffer(mEmbeddedCert),
+                               InputForBuffer(mCaCertSPKI),
+                               entry));
+
+  EXPECT_EQ(LogEntry::Type::Precert, entry.type);
+  // Should have empty leaf cert for this log entry type.
+  EXPECT_TRUE(entry.leafCertificate.empty());
+  EXPECT_EQ(GetDefaultIssuerKeyHash(), entry.issuerKeyHash);
+  EXPECT_EQ(GetDEREncodedTestTbsCert(), entry.tbsCertificate);
+}
+
+TEST_F(CTObjectsExtractorTest, ExtractOrdinaryX509Cert)
+{
+  LogEntry entry;
+  ASSERT_EQ(Success, GetX509LogEntry(InputForBuffer(mTestCert), entry));
+
+  EXPECT_EQ(LogEntry::Type::X509, entry.type);
+  // Should have empty tbsCertificate / issuerKeyHash for this log entry type.
+  EXPECT_TRUE(entry.tbsCertificate.empty());
+  EXPECT_TRUE(entry.issuerKeyHash.empty());
+  // Length of leafCertificate should be 718, see the CT Serialization tests.
+  EXPECT_EQ(718U, entry.leafCertificate.length());
+}
+
+// Test that an externally-provided SCT verifies over the LogEntry
+// of a regular X.509 Certificate
+TEST_F(CTObjectsExtractorTest, ComplementarySCTVerifies)
+{
+  SignedCertificateTimestamp sct;
+  GetX509CertSCT(sct);
+
+  LogEntry entry;
+  ASSERT_EQ(Success, GetX509LogEntry(InputForBuffer(mTestCert), entry));
+  EXPECT_EQ(Success, mLog.Verify(entry, sct));
+}
+
+} }  // namespace mozilla::ct
diff --git a/security/certverifier/tests/gtest/CTSerializationTest.cpp b/security/certverifier/tests/gtest/CTSerializationTest.cpp
new file mode 100644
index 000000000..7c5aadd23
--- /dev/null
+++ b/security/certverifier/tests/gtest/CTSerializationTest.cpp
@@ -0,0 +1,271 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "CTSerialization.h"
+#include "CTTestUtils.h"
+#include "gtest/gtest.h"
+#include "mozilla/Move.h"
+
+namespace mozilla { namespace ct {
+
+using namespace pkix;
+
+class CTSerializationTest : public ::testing::Test
+{
+public:
+  void SetUp() override
+  {
+    mTestDigitallySigned = GetTestDigitallySigned();
+    mTestSignatureData = GetTestDigitallySignedData();
+  }
+
+protected:
+  Buffer mTestDigitallySigned;
+  Buffer mTestSignatureData;
+};
+
+TEST_F(CTSerializationTest, DecodesDigitallySigned)
+{
+  Input digitallySigned = InputForBuffer(mTestDigitallySigned);
+  Reader digitallySignedReader(digitallySigned);
+
+  DigitallySigned parsed;
+  ASSERT_EQ(Success,
+    DecodeDigitallySigned(digitallySignedReader, parsed));
+  EXPECT_TRUE(digitallySignedReader.AtEnd());
+
+  EXPECT_EQ(DigitallySigned::HashAlgorithm::SHA256,
+            parsed.hashAlgorithm);
+  EXPECT_EQ(DigitallySigned::SignatureAlgorithm::ECDSA,
+            parsed.signatureAlgorithm);
+  EXPECT_EQ(mTestSignatureData, parsed.signatureData);
+}
+
+TEST_F(CTSerializationTest, FailsToDecodePartialDigitallySigned)
+{
+  Input partial;
+  ASSERT_EQ(Success,
+    partial.Init(mTestDigitallySigned.begin(),
+      mTestDigitallySigned.length() - 5));
+  Reader partialReader(partial);
+
+  DigitallySigned parsed;
+
+  EXPECT_NE(Success, DecodeDigitallySigned(partialReader, parsed));
+}
+
+TEST_F(CTSerializationTest, EncodesDigitallySigned)
+{
+  DigitallySigned digitallySigned;
+  digitallySigned.hashAlgorithm =
+    DigitallySigned::HashAlgorithm::SHA256;
+  digitallySigned.signatureAlgorithm =
+    DigitallySigned::SignatureAlgorithm::ECDSA;
+  digitallySigned.signatureData = cloneBuffer(mTestSignatureData);
+
+  Buffer encoded;
+
+  ASSERT_EQ(Success, EncodeDigitallySigned(digitallySigned, encoded));
+  EXPECT_EQ(mTestDigitallySigned, encoded);
+}
+
+TEST_F(CTSerializationTest, EncodesLogEntryForX509Cert)
+{
+  LogEntry entry;
+  GetX509CertLogEntry(entry);
+
+  Buffer encoded;
+  ASSERT_EQ(Success, EncodeLogEntry(entry, encoded));
+  EXPECT_EQ((718U + 5U), encoded.length());
+  // First two bytes are log entry type. Next, length:
+  // Length is 718 which is 512 + 206, which is 0x2ce
+  Buffer expectedPrefix;
+  MOZ_RELEASE_ASSERT(expectedPrefix.append("\0\0\0\x2\xCE", 5));
+  Buffer encodedPrefix;
+  MOZ_RELEASE_ASSERT(encodedPrefix.
+    append(encoded.begin(), encoded.begin() + 5));
+  EXPECT_EQ(expectedPrefix, encodedPrefix);
+}
+
+TEST_F(CTSerializationTest, EncodesLogEntryForPrecert)
+{
+  LogEntry entry;
+  GetPrecertLogEntry(entry);
+
+  Buffer encoded;
+  ASSERT_EQ(Success, EncodeLogEntry(entry, encoded));
+  // log entry type + issuer key + length + tbsCertificate
+  EXPECT_EQ((2U + 32U + 3U + entry.tbsCertificate.length()), encoded.length());
+
+  // First two bytes are log entry type.
+  Buffer expectedPrefix;
+  MOZ_RELEASE_ASSERT(expectedPrefix.append("\0\x1", 2));
+  Buffer encodedPrefix;
+  MOZ_RELEASE_ASSERT(encodedPrefix.
+    append(encoded.begin(), encoded.begin() + 2));
+  EXPECT_EQ(expectedPrefix, encodedPrefix);
+
+  // Next is the issuer key (32 bytes).
+  Buffer encodedKeyHash;
+  MOZ_RELEASE_ASSERT(encodedKeyHash.
+    append(encoded.begin() + 2, encoded.begin() + 2 + 32));
+  EXPECT_EQ(GetDefaultIssuerKeyHash(), encodedKeyHash);
+}
+
+TEST_F(CTSerializationTest, EncodesV1SCTSignedData)
+{
+  uint64_t timestamp = UINT64_C(0x139fe353cf5);
+  const uint8_t DUMMY_BYTES[] = { 0x61, 0x62, 0x63 }; // abc
+  Input dummyEntry(DUMMY_BYTES);
+  Input emptyExtensions;
+  Buffer encoded;
+  ASSERT_EQ(Success, EncodeV1SCTSignedData(
+    timestamp, dummyEntry, emptyExtensions, encoded));
+  EXPECT_EQ((size_t) 15, encoded.length());
+
+  const uint8_t EXPECTED_BYTES[] = {
+    0x00, // version
+    0x00, // signature type
+    0x00, 0x00, 0x01, 0x39, 0xFE, 0x35, 0x3C, 0xF5, // timestamp
+    0x61, 0x62, 0x63, // log signature
+    0x00, 0x00 // extensions (empty)
+  };
+  Buffer expectedBuffer;
+  MOZ_RELEASE_ASSERT(
+    expectedBuffer.append(EXPECTED_BYTES, sizeof(EXPECTED_BYTES)));
+  EXPECT_EQ(expectedBuffer, encoded);
+}
+
+TEST_F(CTSerializationTest, DecodesSCTList)
+{
+  // Two items in the list: "abc", "def"
+  const uint8_t ENCODED[] = {
+    0x00, 0x0a, 0x00, 0x03, 0x61, 0x62, 0x63, 0x00, 0x03, 0x64, 0x65, 0x66
+  };
+  const uint8_t DECODED_1[] = { 0x61, 0x62, 0x63 };
+  const uint8_t DECODED_2[] = { 0x64, 0x65, 0x66 };
+
+  Reader listReader;
+  ASSERT_EQ(Success, DecodeSCTList(Input(ENCODED), listReader));
+
+  Input decoded1;
+  ASSERT_EQ(Success, ReadSCTListItem(listReader, decoded1));
+
+  Input decoded2;
+  ASSERT_EQ(Success, ReadSCTListItem(listReader, decoded2));
+
+  EXPECT_TRUE(listReader.AtEnd());
+  EXPECT_TRUE(InputsAreEqual(decoded1, Input(DECODED_1)));
+  EXPECT_TRUE(InputsAreEqual(decoded2, Input(DECODED_2)));
+}
+
+TEST_F(CTSerializationTest, FailsDecodingInvalidSCTList)
+{
+  // A list with one item that's too short (the second one)
+  const uint8_t ENCODED[] = {
+    0x00, 0x0a, 0x00, 0x03, 0x61, 0x62, 0x63, 0x00, 0x05, 0x64, 0x65, 0x66
+  };
+
+  Reader listReader;
+  ASSERT_EQ(Success, DecodeSCTList(Input(ENCODED), listReader));
+  Input decoded1;
+  EXPECT_EQ(Success, ReadSCTListItem(listReader, decoded1));
+  Input decoded2;
+  EXPECT_NE(Success, ReadSCTListItem(listReader, decoded2));
+}
+
+TEST_F(CTSerializationTest, EncodesSCTList)
+{
+  const uint8_t SCT_1[] = { 0x61, 0x62, 0x63 };
+  const uint8_t SCT_2[] = { 0x64, 0x65, 0x66 };
+
+  Vector<Input> list;
+  ASSERT_TRUE(list.append(Move(Input(SCT_1))));
+  ASSERT_TRUE(list.append(Move(Input(SCT_2))));
+
+  Buffer encodedList;
+  ASSERT_EQ(Success, EncodeSCTList(list, encodedList));
+
+  Reader listReader;
+  ASSERT_EQ(Success, DecodeSCTList(InputForBuffer(encodedList), listReader));
+
+  Input decoded1;
+  ASSERT_EQ(Success, ReadSCTListItem(listReader, decoded1));
+  EXPECT_TRUE(InputsAreEqual(decoded1, Input(SCT_1)));
+
+  Input decoded2;
+  ASSERT_EQ(Success, ReadSCTListItem(listReader, decoded2));
+  EXPECT_TRUE(InputsAreEqual(decoded2, Input(SCT_2)));
+
+  EXPECT_TRUE(listReader.AtEnd());
+}
+
+TEST_F(CTSerializationTest, DecodesSignedCertificateTimestamp)
+{
+  Buffer encodedSctBuffer = GetTestSignedCertificateTimestamp();
+  Input encodedSctInput = InputForBuffer(encodedSctBuffer);
+  Reader encodedSctReader(encodedSctInput);
+
+  SignedCertificateTimestamp sct;
+  ASSERT_EQ(Success,
+    DecodeSignedCertificateTimestamp(encodedSctReader, sct));
+  EXPECT_EQ(SignedCertificateTimestamp::Version::V1, sct.version);
+  EXPECT_EQ(GetTestPublicKeyId(), sct.logId);
+  const uint64_t expectedTime = 1365181456089;
+  EXPECT_EQ(expectedTime, sct.timestamp);
+  const size_t expectedSignatureLength = 71;
+  EXPECT_EQ(expectedSignatureLength, sct.signature.signatureData.length());
+  EXPECT_TRUE(sct.extensions.empty());
+}
+
+TEST_F(CTSerializationTest, FailsDecodingInvalidSignedCertificateTimestamp)
+{
+  SignedCertificateTimestamp sct;
+
+  // Invalid version
+  const uint8_t INVALID_VERSION_BYTES[] = { 0x02, 0x00 };
+  Input invalidVersionSctInput(INVALID_VERSION_BYTES);
+  Reader invalidVersionSctReader(invalidVersionSctInput);
+  EXPECT_EQ(Result::ERROR_BAD_DER,
+    DecodeSignedCertificateTimestamp(invalidVersionSctReader, sct));
+
+  // Valid version, invalid length (missing data)
+  const uint8_t INVALID_LENGTH_BYTES[] = { 0x00, 0x0a, 0x0b, 0x0c };
+  Input invalidLengthSctInput(INVALID_LENGTH_BYTES);
+  Reader invalidLengthSctReader(invalidLengthSctInput);
+  EXPECT_EQ(Result::ERROR_BAD_DER,
+    DecodeSignedCertificateTimestamp(invalidLengthSctReader, sct));
+}
+
+TEST_F(CTSerializationTest, EncodesValidSignedTreeHead)
+{
+  SignedTreeHead signedTreeHead;
+  GetSampleSignedTreeHead(signedTreeHead);
+
+  Buffer encoded;
+  ASSERT_EQ(Success,
+    EncodeTreeHeadSignature(signedTreeHead, encoded));
+  // Expected size is 50 bytes:
+  // Byte 0 is version, byte 1 is signature type
+  // Bytes 2-9 are timestamp
+  // Bytes 10-17 are tree size
+  // Bytes 18-49 are sha256 root hash
+  ASSERT_EQ(50u, encoded.length());
+  const uint8_t EXPECTED_BYTES_PREFIX[] = {
+    0x00, // version
+    0x01, // signature type
+    0x00, 0x00, 0x01, 0x45, 0x3c, 0x5f, 0xb8, 0x35, // timestamp
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x15  // tree size
+    // sha256 root hash should follow
+  };
+  Buffer expectedBuffer;
+  MOZ_RELEASE_ASSERT(expectedBuffer.append(EXPECTED_BYTES_PREFIX, 18));
+  Buffer hash = GetSampleSTHSHA256RootHash();
+  MOZ_RELEASE_ASSERT(expectedBuffer.append(hash.begin(), hash.length()));
+  EXPECT_EQ(expectedBuffer, encoded);
+}
+
+} }  // namespace mozilla::ct
diff --git a/security/certverifier/tests/gtest/CTTestUtils.cpp b/security/certverifier/tests/gtest/CTTestUtils.cpp
new file mode 100644
index 000000000..18ae74035
--- /dev/null
+++ b/security/certverifier/tests/gtest/CTTestUtils.cpp
@@ -0,0 +1,747 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "CTTestUtils.h"
+
+#include <stdint.h>
+#include <iomanip>
+
+#include "CTSerialization.h"
+#include "gtest/gtest.h"
+#include "mozilla/Assertions.h"
+#include "mozilla/Move.h"
+#include "mozilla/Vector.h"
+#include "pkix/Input.h"
+#include "pkix/pkix.h"
+#include "pkix/pkixnss.h"
+#include "pkix/pkixtypes.h"
+#include "pkix/Result.h"
+#include "pkixcheck.h"
+#include "pkixutil.h"
+#include "SignedCertificateTimestamp.h"
+#include "SignedTreeHead.h"
+
+namespace mozilla { namespace ct {
+
+using namespace mozilla::pkix;
+
+// The following test vectors are from the CT test data repository at
+// https://github.com/google/certificate-transparency/tree/master/test/testdata
+
+// test-cert.pem
+const char kDefaultDerCert[] =
+    "308202ca30820233a003020102020106300d06092a864886f70d01010505003055310b3009"
+    "06035504061302474231243022060355040a131b4365727469666963617465205472616e73"
+    "706172656e6379204341310e300c0603550408130557616c65733110300e06035504071307"
+    "4572772057656e301e170d3132303630313030303030305a170d3232303630313030303030"
+    "305a3052310b30090603550406130247423121301f060355040a1318436572746966696361"
+    "7465205472616e73706172656e6379310e300c0603550408130557616c65733110300e0603"
+    "55040713074572772057656e30819f300d06092a864886f70d010101050003818d00308189"
+    "02818100b1fa37936111f8792da2081c3fe41925008531dc7f2c657bd9e1de4704160b4c9f"
+    "19d54ada4470404c1c51341b8f1f7538dddd28d9aca48369fc5646ddcc7617f8168aae5b41"
+    "d43331fca2dadfc804d57208949061f9eef902ca47ce88c644e000f06eeeccabdc9dd2f68a"
+    "22ccb09dc76e0dbc73527765b1a37a8c676253dcc10203010001a381ac3081a9301d060355"
+    "1d0e041604146a0d982a3b62c44b6d2ef4e9bb7a01aa9cb798e2307d0603551d2304763074"
+    "80145f9d880dc873e654d4f80dd8e6b0c124b447c355a159a4573055310b30090603550406"
+    "1302474231243022060355040a131b4365727469666963617465205472616e73706172656e"
+    "6379204341310e300c0603550408130557616c65733110300e060355040713074572772057"
+    "656e82010030090603551d1304023000300d06092a864886f70d010105050003818100171c"
+    "d84aac414a9a030f22aac8f688b081b2709b848b4e5511406cd707fed028597a9faefc2eee"
+    "2978d633aaac14ed3235197da87e0f71b8875f1ac9e78b281749ddedd007e3ecf50645f8cb"
+    "f667256cd6a1647b5e13203bb8582de7d6696f656d1c60b95f456b7fcf338571908f1c6972"
+    "7d24c4fccd249295795814d1dac0e6";
+
+// key hash of test-cert.pem's issuer (ca-cert.pem)
+const char kDefaultIssuerKeyHash[] =
+    "02adddca08b8bf9861f035940c940156d8350fdff899a6239c6bd77255b8f8fc";
+
+const char kDefaultDerTbsCert[] =
+    "30820233a003020102020107300d06092a864886f70d01010505003055310b300906035504"
+    "061302474231243022060355040a131b4365727469666963617465205472616e7370617265"
+    "6e6379204341310e300c0603550408130557616c65733110300e0603550407130745727720"
+    "57656e301e170d3132303630313030303030305a170d3232303630313030303030305a3052"
+    "310b30090603550406130247423121301f060355040a131843657274696669636174652054"
+    "72616e73706172656e6379310e300c0603550408130557616c65733110300e060355040713"
+    "074572772057656e30819f300d06092a864886f70d010101050003818d0030818902818100"
+    "beef98e7c26877ae385f75325a0c1d329bedf18faaf4d796bf047eb7e1ce15c95ba2f80ee4"
+    "58bd7db86f8a4b252191a79bd700c38e9c0389b45cd4dc9a120ab21e0cb41cd0e72805a410"
+    "cd9c5bdb5d4927726daf1710f60187377ea25b1a1e39eed0b88119dc154dc68f7da8e30caf"
+    "158a33e6c9509f4a05b01409ff5dd87eb50203010001a381ac3081a9301d0603551d0e0416"
+    "04142031541af25c05ffd8658b6843794f5e9036f7b4307d0603551d230476307480145f9d"
+    "880dc873e654d4f80dd8e6b0c124b447c355a159a4573055310b3009060355040613024742"
+    "31243022060355040a131b4365727469666963617465205472616e73706172656e63792043"
+    "41310e300c0603550408130557616c65733110300e060355040713074572772057656e8201"
+    "0030090603551d1304023000";
+
+// DigitallySigned of test-cert.proof
+const char kTestDigitallySigned[] =
+    "0403004730450220606e10ae5c2d5a1b0aed49dc4937f48de71a4e9784e9c208dfbfe9ef53"
+    "6cf7f2022100beb29c72d7d06d61d06bdb38a069469aa86fe12e18bb7cc45689a2c0187ef5"
+    "a5";
+
+// test-cert.proof
+const char kTestSignedCertificateTimestamp[] =
+    "00df1c2ec11500945247a96168325ddc5c7959e8f7c6d388fc002e0bbd3f74d7640000013d"
+    "db27ded900000403004730450220606e10ae5c2d5a1b0aed49dc4937f48de71a4e9784e9c2"
+    "08dfbfe9ef536cf7f2022100beb29c72d7d06d61d06bdb38a069469aa86fe12e18bb7cc456"
+    "89a2c0187ef5a5";
+
+// ct-server-key-public.pem
+const char kEcP256PublicKey[] =
+    "3059301306072a8648ce3d020106082a8648ce3d0301070342000499783cb14533c0161a5a"
+    "b45bf95d08a29cd0ea8dd4c84274e2be59ad15c676960cf0afa1074a57ac644b23479e5b3f"
+    "b7b245eb4b420ef370210371a944beaceb";
+
+// key id (sha256) of ct-server-key-public.pem
+const char kTestKeyId[] =
+    "df1c2ec11500945247a96168325ddc5c7959e8f7c6d388fc002e0bbd3f74d764";
+
+// signature field of DigitallySigned from test-cert.proof
+const char kTestSCTSignatureData[] =
+    "30450220606e10ae5c2d5a1b0aed49dc4937f48de71a4e9784e9c208dfbfe9ef536cf7f202"
+    "2100beb29c72d7d06d61d06bdb38a069469aa86fe12e18bb7cc45689a2c0187ef5a5";
+
+// signature field of DigitallySigned from test-embedded-pre-cert.proof
+const char kTestSCTPrecertSignatureData[] =
+    "30450220482f6751af35dba65436be1fd6640f3dbf9a41429495924530288fa3e5e23e0602"
+    "2100e4edc0db3ac572b1e2f5e8ab6a680653987dcf41027dfeffa105519d89edbf08";
+
+// For the sample STH
+const char kSampleSTHSHA256RootHash[] =
+    "726467216167397babca293dca398e4ce6b621b18b9bc42f30c900d1f92ac1e4";
+const char kSampleSTHTreeHeadSignature[] =
+    "0403004730450220365a91a2a88f2b9332f41d8959fa7086da7e6d634b7b089bc9da066426"
+    "6c7a20022100e38464f3c0fd066257b982074f7ac87655e0c8f714768a050b4be9a7b441cb"
+    "d3";
+const size_t kSampleSTHTreeSize = 21u;
+const uint64_t kSampleSTHTimestamp = 1396877277237u;
+
+// test-embedded-cert.pem
+const char kTestEmbeddedCertData[] =
+  "30820359308202c2a003020102020107300d06092a864886f70d01010505"
+  "003055310b300906035504061302474231243022060355040a131b436572"
+  "7469666963617465205472616e73706172656e6379204341310e300c0603"
+  "550408130557616c65733110300e060355040713074572772057656e301e"
+  "170d3132303630313030303030305a170d3232303630313030303030305a"
+  "3052310b30090603550406130247423121301f060355040a131843657274"
+  "69666963617465205472616e73706172656e6379310e300c060355040813"
+  "0557616c65733110300e060355040713074572772057656e30819f300d06"
+  "092a864886f70d010101050003818d0030818902818100beef98e7c26877"
+  "ae385f75325a0c1d329bedf18faaf4d796bf047eb7e1ce15c95ba2f80ee4"
+  "58bd7db86f8a4b252191a79bd700c38e9c0389b45cd4dc9a120ab21e0cb4"
+  "1cd0e72805a410cd9c5bdb5d4927726daf1710f60187377ea25b1a1e39ee"
+  "d0b88119dc154dc68f7da8e30caf158a33e6c9509f4a05b01409ff5dd87e"
+  "b50203010001a382013a30820136301d0603551d0e041604142031541af2"
+  "5c05ffd8658b6843794f5e9036f7b4307d0603551d230476307480145f9d"
+  "880dc873e654d4f80dd8e6b0c124b447c355a159a4573055310b30090603"
+  "5504061302474231243022060355040a131b436572746966696361746520"
+  "5472616e73706172656e6379204341310e300c0603550408130557616c65"
+  "733110300e060355040713074572772057656e82010030090603551d1304"
+  "02300030818a060a2b06010401d679020402047c047a0078007600df1c2e"
+  "c11500945247a96168325ddc5c7959e8f7c6d388fc002e0bbd3f74d76400"
+  "00013ddb27df9300000403004730450220482f6751af35dba65436be1fd6"
+  "640f3dbf9a41429495924530288fa3e5e23e06022100e4edc0db3ac572b1"
+  "e2f5e8ab6a680653987dcf41027dfeffa105519d89edbf08300d06092a86"
+  "4886f70d0101050500038181008a0c4bef099d479279afa0a28e689f91e1"
+  "c4421be2d269a2ea6ca4e8215ddeddca1504a11e7c87c4b77e80f0e97903"
+  "5268f27ca20e166804ae556f316981f96a394ab7abfd3e255ac0044513fe"
+  "76570c6795abe4703133d303f89f3afa6bbcfc517319dfd95b934241211f"
+  "634035c3d078307a68c6075a2e20c89f36b8910ca0";
+
+const char kTestTbsCertData[] =
+  "30820233a003020102020107300d06092a864886f70d0101050500305531"
+  "0b300906035504061302474231243022060355040a131b43657274696669"
+  "63617465205472616e73706172656e6379204341310e300c060355040813"
+  "0557616c65733110300e060355040713074572772057656e301e170d3132"
+  "303630313030303030305a170d3232303630313030303030305a3052310b"
+  "30090603550406130247423121301f060355040a13184365727469666963"
+  "617465205472616e73706172656e6379310e300c0603550408130557616c"
+  "65733110300e060355040713074572772057656e30819f300d06092a8648"
+  "86f70d010101050003818d0030818902818100beef98e7c26877ae385f75"
+  "325a0c1d329bedf18faaf4d796bf047eb7e1ce15c95ba2f80ee458bd7db8"
+  "6f8a4b252191a79bd700c38e9c0389b45cd4dc9a120ab21e0cb41cd0e728"
+  "05a410cd9c5bdb5d4927726daf1710f60187377ea25b1a1e39eed0b88119"
+  "dc154dc68f7da8e30caf158a33e6c9509f4a05b01409ff5dd87eb5020301"
+  "0001a381ac3081a9301d0603551d0e041604142031541af25c05ffd8658b"
+  "6843794f5e9036f7b4307d0603551d230476307480145f9d880dc873e654"
+  "d4f80dd8e6b0c124b447c355a159a4573055310b30090603550406130247"
+  "4231243022060355040a131b4365727469666963617465205472616e7370"
+  "6172656e6379204341310e300c0603550408130557616c65733110300e06"
+  "0355040713074572772057656e82010030090603551d1304023000";
+
+// test-embedded-with-preca-cert.pem
+const char kTestEmbeddedWithPreCaCertData[] =
+  "30820359308202c2a003020102020108300d06092a864886f70d01010505"
+  "003055310b300906035504061302474231243022060355040a131b436572"
+  "7469666963617465205472616e73706172656e6379204341310e300c0603"
+  "550408130557616c65733110300e060355040713074572772057656e301e"
+  "170d3132303630313030303030305a170d3232303630313030303030305a"
+  "3052310b30090603550406130247423121301f060355040a131843657274"
+  "69666963617465205472616e73706172656e6379310e300c060355040813"
+  "0557616c65733110300e060355040713074572772057656e30819f300d06"
+  "092a864886f70d010101050003818d0030818902818100afaeeacac51ab7"
+  "cebdf9eacae7dd175295e193955a17989aef8d97ab7cdff7761093c0b823"
+  "d2a4e3a51a17b86f28162b66a2538935ebecdc1036233da2dd6531b0c63b"
+  "cc68761ebdc854037b77399246b870a7b72b14c9b1667de09a9640ed9f3f"
+  "3c725d950b4d26559869fe7f1e919a66eb76d35c0117c6bcd0d8cfd21028"
+  "b10203010001a382013a30820136301d0603551d0e04160414612c64efac"
+  "79b728397c9d93e6df86465fa76a88307d0603551d230476307480145f9d"
+  "880dc873e654d4f80dd8e6b0c124b447c355a159a4573055310b30090603"
+  "5504061302474231243022060355040a131b436572746966696361746520"
+  "5472616e73706172656e6379204341310e300c0603550408130557616c65"
+  "733110300e060355040713074572772057656e82010030090603551d1304"
+  "02300030818a060a2b06010401d679020402047c047a0078007600df1c2e"
+  "c11500945247a96168325ddc5c7959e8f7c6d388fc002e0bbd3f74d76400"
+  "00013ddb27e05b000004030047304502207aa79604c47480f3727b084f90"
+  "b3989f79091885e00484431a2a297cbf3a355c022100b49fd8120b0d644c"
+  "d7e75269b4da6317a9356cb950224fc11cc296b2e39b2386300d06092a86"
+  "4886f70d010105050003818100a3a86c41ad0088a25aedc4e7b529a2ddbf"
+  "9e187ffb362157e9302d961b73b43cba0ae1e230d9e45049b7e8c924792e"
+  "bbe7d175baa87b170dfad8ee788984599d05257994084e2e0e796fca5836"
+  "881c3e053553e06ab230f919089b914e4a8e2da45f8a87f2c81a25a61f04"
+  "fe1cace60155653827d41fad9f0658f287d058192c";
+
+// ca-cert.pem
+const char kCaCertData[] =
+  "308202d030820239a003020102020100300d06092a864886f70d01010505"
+  "003055310b300906035504061302474231243022060355040a131b436572"
+  "7469666963617465205472616e73706172656e6379204341310e300c0603"
+  "550408130557616c65733110300e060355040713074572772057656e301e"
+  "170d3132303630313030303030305a170d3232303630313030303030305a"
+  "3055310b300906035504061302474231243022060355040a131b43657274"
+  "69666963617465205472616e73706172656e6379204341310e300c060355"
+  "0408130557616c65733110300e060355040713074572772057656e30819f"
+  "300d06092a864886f70d010101050003818d0030818902818100d58a6853"
+  "6210a27119936e778321181c2a4013c6d07b8c76eb9157d3d0fb4b3b516e"
+  "cecbd1c98d91c52f743fab635d55099cd13abaf31ae541442451a74c7816"
+  "f2243cf848cf2831cce67ba04a5a23819f3cba37e624d9c3bdb299b839dd"
+  "fe2631d2cb3a84fc7bb2b5c52fcfc14fff406f5cd44669cbb2f7cfdf86fb"
+  "6ab9d1b10203010001a381af3081ac301d0603551d0e041604145f9d880d"
+  "c873e654d4f80dd8e6b0c124b447c355307d0603551d230476307480145f"
+  "9d880dc873e654d4f80dd8e6b0c124b447c355a159a4573055310b300906"
+  "035504061302474231243022060355040a131b4365727469666963617465"
+  "205472616e73706172656e6379204341310e300c0603550408130557616c"
+  "65733110300e060355040713074572772057656e820100300c0603551d13"
+  "040530030101ff300d06092a864886f70d0101050500038181000608cc4a"
+  "6d64f2205e146c04b276f92b0efa94a5daf23afc3806606d3990d0a1ea23"
+  "3d40295769463b046661e7fa1d179915209aea2e0a775176411227d7c003"
+  "07c7470e61584fd7334224727f51d690bc47a9df354db0f6eb25955de189"
+  "3c4dd5202b24a2f3e440d274b54e1bd376269ca96289b76ecaa41090e14f"
+  "3b0a942e";
+
+// intermediate-cert.pem
+const char kIntermediateCertData[] =
+  "308202dd30820246a003020102020109300d06092a864886f70d01010505"
+  "003055310b300906035504061302474231243022060355040a131b436572"
+  "7469666963617465205472616e73706172656e6379204341310e300c0603"
+  "550408130557616c65733110300e060355040713074572772057656e301e"
+  "170d3132303630313030303030305a170d3232303630313030303030305a"
+  "3062310b30090603550406130247423131302f060355040a132843657274"
+  "69666963617465205472616e73706172656e637920496e7465726d656469"
+  "617465204341310e300c0603550408130557616c65733110300e06035504"
+  "0713074572772057656e30819f300d06092a864886f70d01010105000381"
+  "8d0030818902818100d76a678d116f522e55ff821c90642508b7074b14d7"
+  "71159064f7927efdedb87135a1365ee7de18cbd5ce865f860c78f433b4d0"
+  "d3d3407702e7a3ef542b1dfe9bbaa7cdf94dc5975fc729f86f105f381b24"
+  "3535cf9c800f5ca780c1d3c84400ee65d16ee9cf52db8adffe50f5c49335"
+  "0b2190bf50d5bc36f3cac5a8daae92cd8b0203010001a381af3081ac301d"
+  "0603551d0e04160414965508050278479e8773764131bc143a47e229ab30"
+  "7d0603551d230476307480145f9d880dc873e654d4f80dd8e6b0c124b447"
+  "c355a159a4573055310b300906035504061302474231243022060355040a"
+  "131b4365727469666963617465205472616e73706172656e637920434131"
+  "0e300c0603550408130557616c65733110300e0603550407130745727720"
+  "57656e820100300c0603551d13040530030101ff300d06092a864886f70d"
+  "0101050500038181002206dab1c66b71dce095c3f6aa2ef72cf7761be7ab"
+  "d7fc39c31a4cfe1bd96d6734ca82f22dde5a0c8bbbdd825d7b6f3e7612ad"
+  "8db300a7e21169886023262284c3aa5d2191efda10bf9235d37b3a2a340d"
+  "59419b94a48566f3fac3cd8b53d5a4e98270ead297b07210f9ce4a2138b1"
+  "8811143b93fa4e7a87dd37e1385f2c2908";
+
+// test-embedded-with-intermediate-cert.pem
+const char kTestEmbeddedWithIntermediateCertData[] =
+  "30820366308202cfa003020102020102300d06092a864886f70d01010505"
+  "003062310b30090603550406130247423131302f060355040a1328436572"
+  "7469666963617465205472616e73706172656e637920496e7465726d6564"
+  "69617465204341310e300c0603550408130557616c65733110300e060355"
+  "040713074572772057656e301e170d3132303630313030303030305a170d"
+  "3232303630313030303030305a3052310b30090603550406130247423121"
+  "301f060355040a13184365727469666963617465205472616e7370617265"
+  "6e6379310e300c0603550408130557616c65733110300e06035504071307"
+  "4572772057656e30819f300d06092a864886f70d010101050003818d0030"
+  "818902818100bb272b26e5deb5459d4acca027e8f12a4d839ac3730a6a10"
+  "9ff7e25498ddbd3f1895d08ba41f8de34967a3a086ce13a90dd5adbb5418"
+  "4bdc08e1ac7826adb8dc9c717bfd7da5b41b4db1736e00f1dac3cec9819c"
+  "cb1a28ba120b020a820e940dd61f95b5432a4bc05d0818f18ce2154eb38d"
+  "2fa7d22d72b976e560db0c7fc77f0203010001a382013a30820136301d06"
+  "03551d0e04160414b1b148e658e703f5f7f3105f20b3c384d7eff1bf307d"
+  "0603551d23047630748014965508050278479e8773764131bc143a47e229"
+  "aba159a4573055310b300906035504061302474231243022060355040a13"
+  "1b4365727469666963617465205472616e73706172656e6379204341310e"
+  "300c0603550408130557616c65733110300e060355040713074572772057"
+  "656e82010930090603551d130402300030818a060a2b06010401d6790204"
+  "02047c047a0078007600df1c2ec11500945247a96168325ddc5c7959e8f7"
+  "c6d388fc002e0bbd3f74d7640000013ddb27e2a400000403004730450221"
+  "00a6d34517f3392d9ec5d257adf1c597dc45bd4cd3b73856c616a9fb99e5"
+  "ae75a802205e26c8d1c7e222fe8cda29baeb04a834ee97d34fd81718f1aa"
+  "e0cd66f4b8a93f300d06092a864886f70d0101050500038181000f95a5b4"
+  "e128a914b1e88be8b32964221b58f4558433d020a8e246cca65a40bcbf5f"
+  "2d48933ebc99be6927ca756472fb0bdc7f505f41f462f2bc19d0b299c990"
+  "918df8820f3d31db37979e8bad563b17f00ae67b0f8731c106c943a73bf5"
+  "36af168afe21ef4adfcae19a3cc074899992bf506bc5ce1decaaf07ffeeb"
+  "c805c039";
+
+// test-embedded-with-intermediate-preca-cert.pem
+const char kTestEmbeddedWithIntermediatePreCaCertData[] =
+  "30820366308202cfa003020102020103300d06092a864886f70d01010505"
+  "003062310b30090603550406130247423131302f060355040a1328436572"
+  "7469666963617465205472616e73706172656e637920496e7465726d6564"
+  "69617465204341310e300c0603550408130557616c65733110300e060355"
+  "040713074572772057656e301e170d3132303630313030303030305a170d"
+  "3232303630313030303030305a3052310b30090603550406130247423121"
+  "301f060355040a13184365727469666963617465205472616e7370617265"
+  "6e6379310e300c0603550408130557616c65733110300e06035504071307"
+  "4572772057656e30819f300d06092a864886f70d010101050003818d0030"
+  "818902818100d4497056cdfc65e1342cc3df6e654b8af0104702acd2275c"
+  "7d3fb1fc438a89b212110d6419bcc13ae47d64bba241e6706b9ed627f8b3"
+  "4a0d7dff1c44b96287c54bea9d10dc017bceb64f7b6aff3c35a474afec40"
+  "38ab3640b0cd1fb0582ec03b179a2776c8c435d14ab4882d59d7b724fa37"
+  "7ca6db08392173f9c6056b3abadf0203010001a382013a30820136301d06"
+  "03551d0e0416041432da5518d87f1d26ea2767973c0bef286e786a4a307d"
+  "0603551d23047630748014965508050278479e8773764131bc143a47e229"
+  "aba159a4573055310b300906035504061302474231243022060355040a13"
+  "1b4365727469666963617465205472616e73706172656e6379204341310e"
+  "300c0603550408130557616c65733110300e060355040713074572772057"
+  "656e82010930090603551d130402300030818a060a2b06010401d6790204"
+  "02047c047a0078007600df1c2ec11500945247a96168325ddc5c7959e8f7"
+  "c6d388fc002e0bbd3f74d7640000013ddb27e3be00000403004730450221"
+  "00d9f61a07fee021e3159f3ca2f570d833ff01374b2096cba5658c5e16fb"
+  "43eb3002200b76fe475138d8cf76833831304dabf043eb1213c96e13ff4f"
+  "a37f7cd3c8dc1f300d06092a864886f70d01010505000381810088ee4e9e"
+  "5eed6b112cc764b151ed929400e9406789c15fbbcfcdab2f10b400234139"
+  "e6ce65c1e51b47bf7c8950f80bccd57168567954ed35b0ce9346065a5eae"
+  "5bf95d41da8e27cee9eeac688f4bd343f9c2888327abd8b9f68dcb1e3050"
+  "041d31bda8e2dd6d39b3664de5ce0870f5fc7e6a00d6ed00528458d953d2"
+  "37586d73";
+
+static uint8_t
+CharToByte(char c)
+{
+  if (c >= '0' && c <= '9') {
+    return c - '0';
+  } else if (c >= 'a' && c <= 'f') {
+    return c - 'a' + 10;
+  } else if (c >= 'A' && c <= 'F') {
+    return c - 'A' + 10;
+  }
+  MOZ_RELEASE_ASSERT(false);
+  return 0;
+}
+
+static Buffer
+HexToBytes(const char* hexData)
+{
+  size_t hexLen = strlen(hexData);
+  MOZ_RELEASE_ASSERT(hexLen > 0 && (hexLen % 2 == 0));
+  size_t resultLen = hexLen / 2;
+  Buffer result;
+  MOZ_RELEASE_ASSERT(result.reserve(resultLen));
+  for (size_t i = 0; i < resultLen; ++i) {
+    uint8_t hi = CharToByte(hexData[i*2]);
+    uint8_t lo = CharToByte(hexData[i*2 + 1]);
+    result.infallibleAppend((hi << 4) | lo);
+  }
+  return result;
+}
+
+
+void
+GetX509CertLogEntry(LogEntry& entry)
+{
+  entry.Reset();
+  entry.type = ct::LogEntry::Type::X509;
+  entry.leafCertificate = HexToBytes(kDefaultDerCert);
+}
+
+Buffer
+GetDEREncodedX509Cert()
+{
+  return HexToBytes(kDefaultDerCert);
+}
+
+void
+GetPrecertLogEntry(LogEntry& entry)
+{
+  entry.Reset();
+  entry.type = ct::LogEntry::Type::Precert;
+  entry.issuerKeyHash = HexToBytes(kDefaultIssuerKeyHash);
+  entry.tbsCertificate = HexToBytes(kDefaultDerTbsCert);
+}
+
+Buffer
+GetTestDigitallySigned()
+{
+  return HexToBytes(kTestDigitallySigned);
+}
+
+Buffer
+GetTestDigitallySignedData()
+{
+  Buffer encoded = GetTestDigitallySigned();
+  // The encoded buffer contains the signature data itself from the 4th byte.
+  // The first bytes are:
+  // 1 byte of hash algorithm
+  // 1 byte of signature algorithm
+  // 2 bytes - prefix containing length of the signature data.
+  Buffer result;
+  MOZ_RELEASE_ASSERT(result.append(encoded.begin() + 4, encoded.end()));
+  return result;
+}
+
+Buffer
+GetTestSignedCertificateTimestamp()
+{
+  return HexToBytes(kTestSignedCertificateTimestamp);
+}
+
+Buffer
+GetTestPublicKey()
+{
+  return HexToBytes(kEcP256PublicKey);
+}
+
+Buffer
+GetTestPublicKeyId()
+{
+  return HexToBytes(kTestKeyId);
+}
+
+void
+GetX509CertSCT(SignedCertificateTimestamp& sct)
+{
+  sct.version = ct::SignedCertificateTimestamp::Version::V1;
+  sct.logId = HexToBytes(kTestKeyId);
+  // Time the log issued a SCT for this certificate, which is
+  // Fri Apr  5 10:04:16.089 2013
+  sct.timestamp = INT64_C(1365181456089);
+  sct.extensions.clear();
+
+  sct.signature.hashAlgorithm =
+    ct::DigitallySigned::HashAlgorithm::SHA256;
+  sct.signature.signatureAlgorithm =
+    ct::DigitallySigned::SignatureAlgorithm::ECDSA;
+  sct.signature.signatureData = HexToBytes(kTestSCTSignatureData);
+}
+
+void
+GetPrecertSCT(SignedCertificateTimestamp& sct)
+{
+  sct.version = ct::SignedCertificateTimestamp::Version::V1;
+  sct.logId = HexToBytes(kTestKeyId);
+  // Time the log issued a SCT for this Precertificate, which is
+  // Fri Apr  5 10:04:16.275 2013
+  sct.timestamp = INT64_C(1365181456275);
+  sct.extensions.clear();
+
+  sct.signature.hashAlgorithm =
+    ct::DigitallySigned::HashAlgorithm::SHA256;
+  sct.signature.signatureAlgorithm =
+    ct::DigitallySigned::SignatureAlgorithm::ECDSA;
+  sct.signature.signatureData = HexToBytes(kTestSCTPrecertSignatureData);
+}
+
+Buffer
+GetDefaultIssuerKeyHash()
+{
+  return HexToBytes(kDefaultIssuerKeyHash);
+}
+
+// A sample, valid STH
+void
+GetSampleSignedTreeHead(SignedTreeHead& sth)
+{
+  sth.version = SignedTreeHead::Version::V1;
+  sth.timestamp = kSampleSTHTimestamp;
+  sth.treeSize = kSampleSTHTreeSize;
+  sth.sha256RootHash = GetSampleSTHSHA256RootHash();
+  GetSampleSTHTreeHeadDecodedSignature(sth.signature);
+}
+
+Buffer
+GetSampleSTHSHA256RootHash()
+{
+  return HexToBytes(kSampleSTHSHA256RootHash);
+}
+
+Buffer
+GetSampleSTHTreeHeadSignature()
+{
+  return HexToBytes(kSampleSTHTreeHeadSignature);
+}
+
+void
+GetSampleSTHTreeHeadDecodedSignature(DigitallySigned& signature)
+{
+  Buffer ths = HexToBytes(kSampleSTHTreeHeadSignature);
+  Input thsInput;
+  ASSERT_EQ(Success, thsInput.Init(ths.begin(), ths.length()));
+  Reader thsReader(thsInput);
+  ASSERT_EQ(Success, DecodeDigitallySigned(thsReader, signature));
+  ASSERT_TRUE(thsReader.AtEnd());
+}
+
+Buffer
+GetDEREncodedTestEmbeddedCert()
+{
+  return HexToBytes(kTestEmbeddedCertData);
+}
+
+Buffer
+GetDEREncodedTestTbsCert()
+{
+  return HexToBytes(kTestTbsCertData);
+}
+
+Buffer
+GetDEREncodedTestEmbeddedWithPreCACert()
+{
+  return HexToBytes(kTestEmbeddedWithPreCaCertData);
+}
+
+Buffer
+GetDEREncodedCACert()
+{
+  return HexToBytes(kCaCertData);
+}
+
+Buffer
+GetDEREncodedIntermediateCert()
+{
+  return HexToBytes(kIntermediateCertData);
+}
+
+Buffer
+GetDEREncodedTestEmbeddedWithIntermediateCert()
+{
+  return HexToBytes(kTestEmbeddedWithIntermediateCertData);
+}
+
+Buffer
+GetDEREncodedTestEmbeddedWithIntermediatePreCACert()
+{
+  return HexToBytes(kTestEmbeddedWithIntermediatePreCaCertData);
+}
+
+Buffer
+ExtractCertSPKI(Input cert)
+{
+  BackCert backCert(cert, EndEntityOrCA::MustBeEndEntity, nullptr);
+  MOZ_RELEASE_ASSERT(backCert.Init() == Success);
+
+  Input spkiInput = backCert.GetSubjectPublicKeyInfo();
+  Buffer spki;
+  MOZ_RELEASE_ASSERT(InputToBuffer(spkiInput, spki) == Success);
+  return spki;
+}
+
+Buffer
+ExtractCertSPKI(const Buffer& cert)
+{
+  return ExtractCertSPKI(InputForBuffer(cert));
+}
+
+void
+ExtractEmbeddedSCTList(Input cert, Buffer& result)
+{
+  result.clear();
+  BackCert backCert(cert, EndEntityOrCA::MustBeEndEntity, nullptr);
+  ASSERT_EQ(Success, backCert.Init());
+  const Input* scts = backCert.GetSignedCertificateTimestamps();
+  if (scts) {
+    Input sctList;
+    ASSERT_EQ(Success,
+              ExtractSignedCertificateTimestampListFromExtension(*scts,
+                                                                 sctList));
+    ASSERT_EQ(Success, InputToBuffer(sctList, result));
+  }
+}
+
+void
+ExtractEmbeddedSCTList(const Buffer& cert, Buffer& result)
+{
+  ExtractEmbeddedSCTList(InputForBuffer(cert), result);
+}
+
+class OCSPExtensionTrustDomain : public TrustDomain
+{
+public:
+  Result GetCertTrust(EndEntityOrCA, const CertPolicyId&,
+                      Input, TrustLevel&) override
+  {
+    ADD_FAILURE();
+    return Result::FATAL_ERROR_LIBRARY_FAILURE;
+  }
+
+  Result FindIssuer(Input, IssuerChecker&, Time) override
+  {
+    ADD_FAILURE();
+    return Result::FATAL_ERROR_LIBRARY_FAILURE;
+  }
+
+  Result CheckRevocation(EndEntityOrCA, const CertID&, Time, Duration,
+                         const Input*, const Input*) override
+  {
+    ADD_FAILURE();
+    return Result::FATAL_ERROR_LIBRARY_FAILURE;
+  }
+
+  Result IsChainValid(const DERArray&, Time) override
+  {
+    ADD_FAILURE();
+    return Result::FATAL_ERROR_LIBRARY_FAILURE;
+  }
+
+  Result DigestBuf(Input item, DigestAlgorithm digestAlg,
+                   /*out*/ uint8_t* digestBuf, size_t digestBufLen) override
+  {
+    return DigestBufNSS(item, digestAlg, digestBuf, digestBufLen);
+  }
+
+  Result CheckSignatureDigestAlgorithm(DigestAlgorithm, EndEntityOrCA, Time)
+                                       override
+  {
+    ADD_FAILURE();
+    return Result::FATAL_ERROR_LIBRARY_FAILURE;
+  }
+
+  Result CheckECDSACurveIsAcceptable(EndEntityOrCA, NamedCurve) override
+  {
+    ADD_FAILURE();
+    return Result::FATAL_ERROR_LIBRARY_FAILURE;
+  }
+
+  Result VerifyECDSASignedDigest(const SignedDigest& signedDigest,
+                                 Input subjectPublicKeyInfo) override
+  {
+    return VerifyECDSASignedDigestNSS(signedDigest, subjectPublicKeyInfo,
+                                      nullptr);
+  }
+
+  Result CheckRSAPublicKeyModulusSizeInBits(EndEntityOrCA, unsigned int)
+                                            override
+  {
+    ADD_FAILURE();
+    return Result::FATAL_ERROR_LIBRARY_FAILURE;
+  }
+
+  Result VerifyRSAPKCS1SignedDigest(const SignedDigest& signedDigest,
+                                    Input subjectPublicKeyInfo) override
+  {
+    return VerifyRSAPKCS1SignedDigestNSS(signedDigest, subjectPublicKeyInfo,
+                                         nullptr);
+  }
+
+  Result CheckValidityIsAcceptable(Time, Time, EndEntityOrCA, KeyPurposeId)
+                                   override
+  {
+    ADD_FAILURE();
+    return Result::FATAL_ERROR_LIBRARY_FAILURE;
+  }
+
+  Result NetscapeStepUpMatchesServerAuth(Time, bool&) override
+  {
+    ADD_FAILURE();
+    return Result::FATAL_ERROR_LIBRARY_FAILURE;
+  }
+
+  void NoteAuxiliaryExtension(AuxiliaryExtension extension, Input data) override
+  {
+    if (extension != AuxiliaryExtension::SCTListFromOCSPResponse) {
+      ADD_FAILURE();
+      return;
+    }
+    if (InputToBuffer(data, signedCertificateTimestamps) != Success) {
+      ADD_FAILURE();
+      return;
+    }
+  }
+
+  Buffer signedCertificateTimestamps;
+};
+
+void
+ExtractSCTListFromOCSPResponse(Input cert,
+                               Input issuerSPKI,
+                               Input encodedResponse,
+                               Time time,
+                               Buffer& result)
+{
+  result.clear();
+
+  BackCert backCert(cert, EndEntityOrCA::MustBeEndEntity, nullptr);
+  ASSERT_EQ(Success, backCert.Init());
+
+  CertID certID(backCert.GetIssuer(), issuerSPKI, backCert.GetSerialNumber());
+
+  bool expired;
+  OCSPExtensionTrustDomain trustDomain;
+  Result rv = VerifyEncodedOCSPResponse(trustDomain, certID,
+                                        time, /*time*/
+                                        1000, /*maxLifetimeInDays*/
+                                        encodedResponse, expired);
+  ASSERT_EQ(Success, rv);
+
+  result = Move(trustDomain.signedCertificateTimestamps);
+}
+
+Buffer
+cloneBuffer(const Buffer& buffer)
+{
+  Buffer cloned;
+  MOZ_RELEASE_ASSERT(cloned.appendAll(buffer));
+  return cloned;
+}
+
+Input
+InputForBuffer(const Buffer& buffer)
+{
+  Input input;
+  MOZ_RELEASE_ASSERT(Success ==
+                     input.Init(buffer.begin(), buffer.length()));
+  return input;
+}
+
+Input InputForSECItem(const SECItem& item)
+{
+  Input input;
+  MOZ_RELEASE_ASSERT(Success ==
+                     input.Init(item.data, item.len));
+  return input;
+}
+
+} } // namespace mozilla::ct
+
+namespace mozilla {
+
+std::ostream&
+operator<<(std::ostream& stream, const ct::Buffer& buffer)
+{
+  if (buffer.empty()) {
+    stream << "EMPTY";
+  } else {
+    for (size_t i = 0; i < buffer.length(); ++i) {
+      if (i >= 1000) {
+        stream << "...";
+        break;
+      }
+      stream << std::hex << std::setw(2) << std::setfill('0')
+          << static_cast<unsigned>(buffer[i]);
+    }
+  }
+  stream << std::dec;
+  return stream;
+}
+
+} // namespace mozilla
diff --git a/security/certverifier/tests/gtest/CTTestUtils.h b/security/certverifier/tests/gtest/CTTestUtils.h
new file mode 100644
index 000000000..447d6bb1c
--- /dev/null
+++ b/security/certverifier/tests/gtest/CTTestUtils.h
@@ -0,0 +1,132 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef CTTestUtils_h
+#define CTTestUtils_h
+
+#include <iostream>
+
+#include "pkix/Input.h"
+#include "pkix/Time.h"
+#include "seccomon.h"
+#include "SignedCertificateTimestamp.h"
+#include "SignedTreeHead.h"
+
+namespace mozilla { namespace ct {
+
+// Note: unless specified otherwise, all test data is taken from
+// Certificate Transparency test data repository at
+// https://github.com/google/certificate-transparency/tree/master/test/testdata
+
+// Fills |entry| with test data for an X.509 entry.
+void GetX509CertLogEntry(LogEntry& entry);
+
+// Returns a DER-encoded X509 cert. The SCT provided by
+// GetX509CertSCT is signed over this certificate.
+Buffer GetDEREncodedX509Cert();
+
+// Fills |entry| with test data for a Precertificate entry.
+void GetPrecertLogEntry(LogEntry& entry);
+
+// Returns the binary representation of a test DigitallySigned.
+Buffer GetTestDigitallySigned();
+
+// Returns the source data of the test DigitallySigned.
+Buffer GetTestDigitallySignedData();
+
+// Returns the binary representation of a test serialized SCT.
+Buffer GetTestSignedCertificateTimestamp();
+
+// Test log key.
+Buffer GetTestPublicKey();
+
+// ID of test log key.
+Buffer GetTestPublicKeyId();
+
+// SCT for the X509Certificate provided above.
+void GetX509CertSCT(SignedCertificateTimestamp& sct);
+
+// SCT for the Precertificate log entry provided above.
+void GetPrecertSCT(SignedCertificateTimestamp& sct);
+
+// Issuer key hash.
+Buffer GetDefaultIssuerKeyHash();
+
+// A sample, valid STH.
+void GetSampleSignedTreeHead(SignedTreeHead& sth);
+
+// The SHA256 root hash for the sample STH.
+Buffer GetSampleSTHSHA256RootHash();
+
+// The tree head signature for the sample STH.
+Buffer GetSampleSTHTreeHeadSignature();
+
+// The same signature as GetSampleSTHTreeHeadSignature, decoded.
+void GetSampleSTHTreeHeadDecodedSignature(DigitallySigned& signature);
+
+// Certificate with embedded SCT in an X509v3 extension.
+Buffer GetDEREncodedTestEmbeddedCert();
+
+// For the above certificate, the corresponsing TBSCertificate without
+// the embedded SCT extension.
+Buffer GetDEREncodedTestTbsCert();
+
+// As above, but signed with an intermediate CA certificate containing
+// the CT extended key usage OID 1.3.6.1.4.1.11129.2.4.4 for issuing precerts
+// (i.e. signed with a "precert CA certificate").
+Buffer GetDEREncodedTestEmbeddedWithPreCACert();
+
+// The issuer of the above certificates (self-signed root CA certificate).
+Buffer GetDEREncodedCACert();
+
+// An intermediate CA certificate issued by the above CA.
+Buffer GetDEREncodedIntermediateCert();
+
+// Certificate with embedded SCT signed by the intermediate certificate above.
+Buffer GetDEREncodedTestEmbeddedWithIntermediateCert();
+
+// As above, but signed by the precert CA certificate.
+Buffer GetDEREncodedTestEmbeddedWithIntermediatePreCACert();
+
+// Given a DER-encoded certificate, returns its SubjectPublicKeyInfo.
+Buffer ExtractCertSPKI(pkix::Input cert);
+Buffer ExtractCertSPKI(const Buffer& cert);
+
+// Extracts a SignedCertificateTimestampList from the provided leaf certificate
+// (kept in X.509v3 extension with OID 1.3.6.1.4.1.11129.2.4.2).
+void ExtractEmbeddedSCTList(pkix::Input cert, Buffer& result);
+void ExtractEmbeddedSCTList(const Buffer& cert, Buffer& result);
+
+// Extracts a SignedCertificateTimestampList that has been embedded within
+// an OCSP response as an extension with the OID 1.3.6.1.4.1.11129.2.4.5.
+// The OCSP response is verified, and the verification must succeed for the
+// extension to be extracted.
+void ExtractSCTListFromOCSPResponse(pkix::Input cert,
+                                    pkix::Input issuerSPKI,
+                                    pkix::Input encodedResponse,
+                                    pkix::Time time,
+                                    Buffer& result);
+
+// We need this in tests code since mozilla::Vector only allows move assignment.
+Buffer cloneBuffer(const Buffer& buffer);
+
+// Returns Input for the data stored in the buffer, failing assertion on error.
+pkix::Input InputForBuffer(const Buffer& buffer);
+
+// Returns Input for the data stored in the item, failing assertion on error.
+pkix::Input InputForSECItem(const SECItem& item);
+
+} } // namespace mozilla::ct
+
+
+namespace mozilla {
+
+// GTest needs this to be in Buffer's namespace (i.e. in mozilla::Vector's).
+std::ostream& operator<<(std::ostream& stream, const ct::Buffer& buf);
+
+} // namespace mozilla
+
+#endif  // CTTestUtils_h
diff --git a/security/certverifier/tests/gtest/MultiLogCTVerifierTest.cpp b/security/certverifier/tests/gtest/MultiLogCTVerifierTest.cpp
new file mode 100644
index 000000000..f8f04804e
--- /dev/null
+++ b/security/certverifier/tests/gtest/MultiLogCTVerifierTest.cpp
@@ -0,0 +1,233 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "MultiLogCTVerifier.h"
+
+#include <stdint.h>
+
+#include "CTLogVerifier.h"
+#include "CTObjectsExtractor.h"
+#include "CTSerialization.h"
+#include "CTTestUtils.h"
+#include "gtest/gtest.h"
+#include "mozilla/EnumSet.h"
+#include "mozilla/Move.h"
+#include "nss.h"
+
+namespace mozilla { namespace ct {
+
+using namespace mozilla::pkix;
+
+class MultiLogCTVerifierTest : public ::testing::Test
+{
+public:
+  MultiLogCTVerifierTest()
+    : mNow(Time::uninitialized)
+  {}
+
+  void SetUp() override
+  {
+    // Does nothing if NSS is already initialized.
+    MOZ_RELEASE_ASSERT(NSS_NoDB_Init(nullptr) == SECSuccess);
+
+    ASSERT_EQ(Success, mVerifier.AddLog(InputForBuffer(GetTestPublicKey())));
+
+    mTestCert = GetDEREncodedX509Cert();
+    mEmbeddedCert = GetDEREncodedTestEmbeddedCert();
+    mCaCert = GetDEREncodedCACert();
+    mCaCertSPKI = ExtractCertSPKI(mCaCert);
+    mIntermediateCert = GetDEREncodedIntermediateCert();
+    mIntermediateCertSPKI = ExtractCertSPKI(mIntermediateCert);
+
+    // Set the current time making sure all test timestamps are in the past.
+    mNow = TimeFromEpochInSeconds(1451606400u); // Date.parse("2016-01-01")/1000
+  }
+
+  void CheckForSingleVerifiedSCTInResult(const CTVerifyResult& result,
+    SignedCertificateTimestamp::Origin origin)
+  {
+    EXPECT_EQ(0U, result.decodingErrors);
+    ASSERT_EQ(1U, result.scts.length());
+    EXPECT_EQ(SignedCertificateTimestamp::VerificationStatus::OK,
+              result.scts[0].verificationStatus);
+    EXPECT_EQ(origin, result.scts[0].origin);
+  }
+
+  // Writes an SCTList containing a single |sct| into |output|.
+  void EncodeSCTListForTesting(Input sct, Buffer& output)
+  {
+    Vector<Input> list;
+    ASSERT_TRUE(list.append(Move(sct)));
+    ASSERT_EQ(Success, EncodeSCTList(list, output));
+  }
+
+  void GetSCTListWithInvalidLogID(Buffer& result)
+  {
+    result.clear();
+    Buffer sct(GetTestSignedCertificateTimestamp());
+    // Change a byte inside the Log ID part of the SCT so it does
+    // not match the log used in the tests.
+    sct[15] ^= '\xFF';
+    EncodeSCTListForTesting(InputForBuffer(sct), result);
+  }
+
+  void CheckPrecertVerification(const Buffer& cert, const Buffer& issuerSPKI)
+  {
+    Buffer sctList;
+    ExtractEmbeddedSCTList(cert, sctList);
+    ASSERT_FALSE(sctList.empty());
+
+    CTVerifyResult result;
+    ASSERT_EQ(Success,
+              mVerifier.Verify(InputForBuffer(cert), InputForBuffer(issuerSPKI),
+                               InputForBuffer(sctList), Input(), Input(),
+                               mNow, result));
+    CheckForSingleVerifiedSCTInResult(result,
+      SignedCertificateTimestamp::Origin::Embedded);
+  }
+
+protected:
+  MultiLogCTVerifier mVerifier;
+  Buffer mTestCert;
+  Buffer mEmbeddedCert;
+  Buffer mCaCert;
+  Buffer mCaCertSPKI;
+  Buffer mIntermediateCert;
+  Buffer mIntermediateCertSPKI;
+  Time mNow;
+};
+
+// Test that an embedded SCT can be extracted and the extracted SCT contains
+// the expected data. This tests the ExtractEmbeddedSCTList function from
+// CTTestUtils.h that other tests here rely upon.
+TEST_F(MultiLogCTVerifierTest, ExtractEmbeddedSCT)
+{
+  SignedCertificateTimestamp sct;
+
+  // Extract the embedded SCT.
+
+  Buffer sctList;
+  ExtractEmbeddedSCTList(mEmbeddedCert, sctList);
+  ASSERT_FALSE(sctList.empty());
+
+  Reader sctReader;
+  ASSERT_EQ(Success, DecodeSCTList(InputForBuffer(sctList), sctReader));
+  Input sctItemInput;
+  ASSERT_EQ(Success, ReadSCTListItem(sctReader, sctItemInput));
+  EXPECT_TRUE(sctReader.AtEnd()); // we only expect one sct in the list
+
+  Reader sctItemReader(sctItemInput);
+  ASSERT_EQ(Success, DecodeSignedCertificateTimestamp(sctItemReader, sct));
+
+  // Make sure the SCT contains the expected data.
+
+  EXPECT_EQ(SignedCertificateTimestamp::Version::V1, sct.version);
+  EXPECT_EQ(GetTestPublicKeyId(), sct.logId);
+
+  uint64_t expectedTimestamp = 1365181456275;
+  EXPECT_EQ(expectedTimestamp, sct.timestamp);
+}
+
+TEST_F(MultiLogCTVerifierTest, VerifiesEmbeddedSCT)
+{
+  CheckPrecertVerification(mEmbeddedCert, mCaCertSPKI);
+}
+
+TEST_F(MultiLogCTVerifierTest, VerifiesEmbeddedSCTWithPreCA)
+{
+  CheckPrecertVerification(GetDEREncodedTestEmbeddedWithPreCACert(),
+                           mCaCertSPKI);
+}
+
+TEST_F(MultiLogCTVerifierTest, VerifiesEmbeddedSCTWithIntermediate)
+{
+  CheckPrecertVerification(GetDEREncodedTestEmbeddedWithIntermediateCert(),
+                           mIntermediateCertSPKI);
+}
+
+TEST_F(MultiLogCTVerifierTest, VerifiesEmbeddedSCTWithIntermediateAndPreCA)
+{
+  CheckPrecertVerification(GetDEREncodedTestEmbeddedWithIntermediatePreCACert(),
+                           mIntermediateCertSPKI);
+}
+
+TEST_F(MultiLogCTVerifierTest, VerifiesSCTFromOCSP)
+{
+  Buffer sct(GetTestSignedCertificateTimestamp());
+  Buffer sctList;
+  EncodeSCTListForTesting(InputForBuffer(sct), sctList);
+
+  CTVerifyResult result;
+  ASSERT_EQ(Success,
+            mVerifier.Verify(InputForBuffer(mTestCert), Input(),
+                             Input(), InputForBuffer(sctList), Input(),
+                             mNow, result));
+
+  CheckForSingleVerifiedSCTInResult(result,
+    SignedCertificateTimestamp::Origin::OCSPResponse);
+}
+
+TEST_F(MultiLogCTVerifierTest, VerifiesSCTFromTLS)
+{
+  Buffer sct(GetTestSignedCertificateTimestamp());
+  Buffer sctList;
+  EncodeSCTListForTesting(InputForBuffer(sct), sctList);
+
+  CTVerifyResult result;
+  ASSERT_EQ(Success,
+            mVerifier.Verify(InputForBuffer(mTestCert), Input(),
+                             Input(), Input(), InputForBuffer(sctList),
+                             mNow, result));
+
+  CheckForSingleVerifiedSCTInResult(result,
+    SignedCertificateTimestamp::Origin::TLSExtension);
+}
+
+TEST_F(MultiLogCTVerifierTest, VerifiesSCTFromMultipleSources)
+{
+  Buffer sct(GetTestSignedCertificateTimestamp());
+  Buffer sctList;
+  EncodeSCTListForTesting(InputForBuffer(sct), sctList);
+
+  CTVerifyResult result;
+  ASSERT_EQ(Success,
+            mVerifier.Verify(InputForBuffer(mTestCert), Input(), Input(),
+                             InputForBuffer(sctList), InputForBuffer(sctList),
+                             mNow, result));
+
+  // The result should contain verified SCTs from TLS and OCSP origins.
+  EnumSet<SignedCertificateTimestamp::Origin> origins;
+  for (const SignedCertificateTimestamp& sct : result.scts) {
+    EXPECT_EQ(SignedCertificateTimestamp::VerificationStatus::OK,
+              sct.verificationStatus);
+    origins += sct.origin;
+  }
+  EXPECT_FALSE(
+    origins.contains(SignedCertificateTimestamp::Origin::Embedded));
+  EXPECT_TRUE(
+    origins.contains(SignedCertificateTimestamp::Origin::OCSPResponse));
+  EXPECT_TRUE(
+    origins.contains(SignedCertificateTimestamp::Origin::TLSExtension));
+}
+
+TEST_F(MultiLogCTVerifierTest, IdentifiesSCTFromUnknownLog)
+{
+  Buffer sctList;
+  GetSCTListWithInvalidLogID(sctList);
+
+  CTVerifyResult result;
+  ASSERT_EQ(Success,
+            mVerifier.Verify(InputForBuffer(mTestCert), Input(),
+                             Input(), Input(), InputForBuffer(sctList),
+                             mNow, result));
+
+  EXPECT_EQ(0U, result.decodingErrors);
+  ASSERT_EQ(1U, result.scts.length());
+  EXPECT_EQ(SignedCertificateTimestamp::VerificationStatus::UnknownLog,
+            result.scts[0].verificationStatus);
+}
+
+} } // namespace mozilla::ct
diff --git a/security/certverifier/tests/gtest/moz.build b/security/certverifier/tests/gtest/moz.build
new file mode 100644
index 000000000..c701e7eec
--- /dev/null
+++ b/security/certverifier/tests/gtest/moz.build
@@ -0,0 +1,21 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+SOURCES += [
+    'CTLogVerifierTest.cpp',
+    'CTObjectsExtractorTest.cpp',
+    'CTSerializationTest.cpp',
+    'CTTestUtils.cpp',
+    'MultiLogCTVerifierTest.cpp',
+]
+
+LOCAL_INCLUDES += [
+    '/security/certverifier',
+    '/security/pkix/include',
+    '/security/pkix/lib',
+]
+
+FINAL_LIBRARY = 'xul-gtest'