Cast device revocation checking.

components/cast_certificate/cast_crl_unittest.cc

Index: components/cast_certificate/cast_crl_unittest.cc
diff --git a/components/cast_certificate/cast_crl_unittest.cc b/components/cast_certificate/cast_crl_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..69700fb2ce359629c1639b9fc5e4d18fabf71550
--- /dev/null
+++ b/components/cast_certificate/cast_crl_unittest.cc
@@ -0,0 +1,293 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "components/cast_certificate/cast_crl.h"
+
+#include "base/time/time.h"
+#include "components/cast_certificate/cast_cert_validator_test_helpers.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace cast_certificate {
+namespace {
+
+const unsigned char kCastCRLTestRootCaDer[] = {
+    0x30, 0x82, 0x03, 0xee, 0x30, 0x82, 0x02, 0xd6, 0xa0, 0x03, 0x02, 0x01,
+    0x02, 0x02, 0x02, 0x00, 0x91, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48,
+    0x86, 0xf7, 0x0d, 0x01, 0x01, 0x0b, 0x05, 0x00, 0x30, 0x81, 0x88, 0x31,
+    0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53,
+    0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08, 0x0c, 0x0a, 0x43,
+    0x61, 0x6c, 0x69, 0x66, 0x6f, 0x72, 0x6e, 0x69, 0x61, 0x31, 0x16, 0x30,
+    0x14, 0x06, 0x03, 0x55, 0x04, 0x07, 0x0c, 0x0d, 0x4d, 0x6f, 0x75, 0x6e,
+    0x74, 0x61, 0x69, 0x6e, 0x20, 0x56, 0x69, 0x65, 0x77, 0x31, 0x13, 0x30,
+    0x11, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x0c, 0x0a, 0x47, 0x6f, 0x6f, 0x67,
+    0x6c, 0x65, 0x20, 0x49, 0x6e, 0x63, 0x31, 0x0d, 0x30, 0x0b, 0x06, 0x03,
+    0x55, 0x04, 0x0b, 0x0c, 0x04, 0x43, 0x61, 0x73, 0x74, 0x31, 0x28, 0x30,
+    0x26, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c, 0x1f, 0x43, 0x61, 0x73, 0x74,
+    0x20, 0x43, 0x52, 0x4c, 0x20, 0x54, 0x65, 0x73, 0x74, 0x20, 0x55, 0x6e,
+    0x74, 0x72, 0x75, 0x73, 0x74, 0x65, 0x64, 0x20, 0x52, 0x6f, 0x6f, 0x74,
+    0x20, 0x43, 0x41, 0x30, 0x1e, 0x17, 0x0d, 0x31, 0x36, 0x30, 0x35, 0x32,
+    0x35, 0x32, 0x31, 0x30, 0x30, 0x30, 0x36, 0x5a, 0x17, 0x0d, 0x33, 0x36,
+    0x30, 0x35, 0x32, 0x30, 0x32, 0x31, 0x30, 0x30, 0x30, 0x36, 0x5a, 0x30,
+    0x81, 0x88, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13,
+    0x02, 0x55, 0x53, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x08,
+    0x0c, 0x0a, 0x43, 0x61, 0x6c, 0x69, 0x66, 0x6f, 0x72, 0x6e, 0x69, 0x61,
+    0x31, 0x16, 0x30, 0x14, 0x06, 0x03, 0x55, 0x04, 0x07, 0x0c, 0x0d, 0x4d,
+    0x6f, 0x75, 0x6e, 0x74, 0x61, 0x69, 0x6e, 0x20, 0x56, 0x69, 0x65, 0x77,
+    0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x0c, 0x0a, 0x47,
+    0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x20, 0x49, 0x6e, 0x63, 0x31, 0x0d, 0x30,
+    0x0b, 0x06, 0x03, 0x55, 0x04, 0x0b, 0x0c, 0x04, 0x43, 0x61, 0x73, 0x74,
+    0x31, 0x28, 0x30, 0x26, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c, 0x1f, 0x43,
+    0x61, 0x73, 0x74, 0x20, 0x43, 0x52, 0x4c, 0x20, 0x54, 0x65, 0x73, 0x74,
+    0x20, 0x55, 0x6e, 0x74, 0x72, 0x75, 0x73, 0x74, 0x65, 0x64, 0x20, 0x52,
+    0x6f, 0x6f, 0x74, 0x20, 0x43, 0x41, 0x30, 0x82, 0x01, 0x22, 0x30, 0x0d,
+    0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05,
+    0x00, 0x03, 0x82, 0x01, 0x0f, 0x00, 0x30, 0x82, 0x01, 0x0a, 0x02, 0x82,
+    0x01, 0x01, 0x00, 0xb5, 0xc1, 0xbe, 0xd4, 0x34, 0x2c, 0xd7, 0xdf, 0x99,
+    0x21, 0xa9, 0x4b, 0x56, 0xc3, 0x2e, 0x78, 0x21, 0x0d, 0xa8, 0xa9, 0xa0,
+    0x4c, 0x2d, 0x62, 0xcb, 0x4f, 0xc5, 0xa0, 0xa7, 0x47, 0x1c, 0x9d, 0x2a,
+    0xeb, 0x61, 0xd1, 0xd4, 0xcc, 0x24, 0x23, 0xe5, 0x11, 0x0f, 0x18, 0x81,
+    0x2a, 0x56, 0x41, 0x30, 0x6f, 0x84, 0x04, 0x09, 0xba, 0x0f, 0xec, 0xd7,
+    0x2f, 0xc6, 0xc4, 0xc4, 0x91, 0x2d, 0xca, 0x6d, 0x76, 0x54, 0xb2, 0xb2,
+    0x5a, 0x59, 0xc1, 0x3d, 0x17, 0xf2, 0x7f, 0x80, 0x22, 0xb9, 0x39, 0xc5,
+    0xc0, 0x74, 0x74, 0x9d, 0x70, 0xb9, 0xc7, 0x60, 0xe3, 0x84, 0x95, 0xa0,
+    0x49, 0xab, 0x6d, 0x8f, 0xcc, 0xb9, 0x3a, 0xc9, 0xdd, 0x4f, 0x50, 0x37,
+    0x9e, 0xb0, 0xc0, 0x6f, 0x22, 0x8c, 0xa9, 0x82, 0x56, 0x26, 0x8f, 0xe1,
+    0xb3, 0xe6, 0xb4, 0xb9, 0xbe, 0x4d, 0x83, 0xe0, 0xf4, 0xd4, 0x2f, 0x10,
+    0x9b, 0x7f, 0xc9, 0x4f, 0x77, 0x6f, 0xa0, 0x02, 0x34, 0x1a, 0xce, 0xbe,
+    0xe3, 0x0e, 0x25, 0x03, 0xba, 0xdb, 0xb1, 0xbc, 0xfa, 0xec, 0x01, 0xc2,
+    0xc0, 0xf4, 0xf5, 0x55, 0xb9, 0x7b, 0xef, 0xc0, 0x8a, 0x52, 0xfe, 0xf5,
+    0x07, 0xcf, 0x2d, 0xfa, 0x37, 0xfe, 0x4c, 0x54, 0xf2, 0x87, 0xe9, 0x32,
+    0xee, 0x04, 0x6c, 0xd6, 0xfa, 0xfc, 0x51, 0x94, 0x21, 0xe5, 0x43, 0xcb,
+    0x89, 0x02, 0x07, 0xb3, 0x5b, 0xdc, 0x09, 0x18, 0xcc, 0x55, 0x9c, 0x89,
+    0x3e, 0xff, 0x32, 0x6c, 0x93, 0x87, 0xf7, 0x18, 0x73, 0x7c, 0x6f, 0xca,
+    0x57, 0x41, 0xbd, 0xd2, 0x5b, 0x12, 0x60, 0x75, 0xa7, 0x44, 0xc3, 0x78,
+    0x35, 0x98, 0x12, 0xb6, 0x1e, 0x3c, 0x25, 0x72, 0x13, 0x2c, 0x9d, 0xfa,
+    0x74, 0x81, 0x11, 0x28, 0xcc, 0x55, 0x93, 0x46, 0x42, 0x17, 0x5a, 0x46,
+    0xee, 0x57, 0x17, 0x26, 0x83, 0x4c, 0x1b, 0x02, 0x03, 0x01, 0x00, 0x01,
+    0xa3, 0x60, 0x30, 0x5e, 0x30, 0x0f, 0x06, 0x03, 0x55, 0x1d, 0x13, 0x04,
+    0x08, 0x30, 0x06, 0x01, 0x01, 0xff, 0x02, 0x01, 0x01, 0x30, 0x1d, 0x06,
+    0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0x56, 0x47, 0xa3, 0x12,
+    0xa6, 0xdb, 0xb7, 0xf3, 0xf1, 0xe4, 0x68, 0x62, 0xcb, 0x01, 0x45, 0xfd,
+    0x2b, 0x02, 0x73, 0x68, 0x30, 0x1f, 0x06, 0x03, 0x55, 0x1d, 0x23, 0x04,
+    0x18, 0x30, 0x16, 0x80, 0x14, 0x56, 0x47, 0xa3, 0x12, 0xa6, 0xdb, 0xb7,
+    0xf3, 0xf1, 0xe4, 0x68, 0x62, 0xcb, 0x01, 0x45, 0xfd, 0x2b, 0x02, 0x73,
+    0x68, 0x30, 0x0b, 0x06, 0x03, 0x55, 0x1d, 0x0f, 0x04, 0x04, 0x03, 0x02,
+    0x02, 0x04, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d,
+    0x01, 0x01, 0x0b, 0x05, 0x00, 0x03, 0x82, 0x01, 0x01, 0x00, 0x22, 0xce,
+    0x56, 0x31, 0xcd, 0xe0, 0xac, 0xb4, 0xaf, 0x70, 0x8a, 0x0a, 0x60, 0x4d,
+    0xa8, 0x16, 0x81, 0x11, 0xcf, 0xb6, 0xcf, 0x89, 0x87, 0x86, 0xec, 0x8e,
+    0x72, 0xb3, 0xbc, 0x01, 0xb4, 0x29, 0xb1, 0x88, 0x48, 0x65, 0xcd, 0x7c,
+    0x8f, 0xa0, 0x6f, 0x05, 0xb8, 0x60, 0x28, 0x60, 0x1b, 0x8d, 0x61, 0xeb,
+    0xe5, 0xa5, 0xc0, 0xb5, 0x11, 0x8d, 0x4d, 0x73, 0x73, 0x3a, 0x82, 0xa9,
+    0x39, 0xfe, 0x5a, 0x54, 0x28, 0x69, 0x1c, 0xec, 0x9e, 0xb7, 0x1c, 0x3d,
+    0x02, 0xd1, 0x33, 0x1c, 0x82, 0xcc, 0x14, 0x0d, 0xc9, 0xc7, 0xab, 0x7d,
+    0xc0, 0x89, 0x31, 0xff, 0x02, 0x17, 0x8a, 0xd0, 0x37, 0xe5, 0xdc, 0x03,
+    0x34, 0xd5, 0x07, 0xa7, 0x0f, 0x8c, 0xec, 0x3e, 0x47, 0x5d, 0xa9, 0xe9,
+    0x12, 0x6d, 0x0c, 0x8d, 0x89, 0x27, 0x73, 0x9c, 0x4c, 0x88, 0x97, 0x66,
+    0x9f, 0x4f, 0x76, 0x5b, 0xaf, 0xe6, 0x40, 0xde, 0x83, 0xb1, 0xde, 0x35,
+    0x2e, 0xae, 0x9e, 0x91, 0xda, 0xa3, 0x37, 0xa5, 0x89, 0x2a, 0x57, 0xa9,
+    0x98, 0x40, 0xf2, 0xe5, 0x8e, 0xad, 0x44, 0x4d, 0xf6, 0xc0, 0x55, 0xc8,
+    0x71, 0xdc, 0xa5, 0x81, 0x4a, 0x3b, 0x17, 0x3c, 0xfd, 0x40, 0x77, 0x0c,
+    0x26, 0x65, 0xda, 0xec, 0xda, 0x97, 0x19, 0xa0, 0x16, 0x99, 0x11, 0xd0,
+    0x2b, 0x0d, 0x2c, 0x58, 0x30, 0x9a, 0x76, 0x18, 0x4f, 0xd0, 0x3c, 0x24,
+    0x4b, 0x96, 0x51, 0x7e, 0x82, 0xce, 0xa1, 0x6c, 0xfa, 0xfb, 0x5a, 0x3c,
+    0xc2, 0x1d, 0x3c, 0x27, 0xf2, 0xea, 0x17, 0x2c, 0x5e, 0xab, 0x91, 0x45,
+    0xd3, 0x35, 0xd0, 0xdc, 0xa7, 0x41, 0xe0, 0xe3, 0x3e, 0x23, 0xdb, 0x63,
+    0xa8, 0xfc, 0xfb, 0x76, 0x37, 0x59, 0xf8, 0xb2, 0x31, 0xe5, 0x6d, 0xcf,
+    0xfa, 0x17, 0x84, 0xd9, 0x16, 0x2f, 0x97, 0x90, 0x8c, 0x83, 0xf2, 0x6f,
+    0x82, 0xed};
+
+// Indicates the expected result of CRL verification
+enum TestResultCRL {
+  RESULT_CRL_INVALID,
+  RESULT_CRL_VALID,
+};
+
+// Indicates the expected result of test verification
+enum TestResultCert {
+  RESULT_CERT_INVALID,
+  RESULT_CERT_VALID,
+};
+
+std::unique_ptr<CastCRL> RunTestVerifyCRL(TestResultCRL expected_result,
+                                          const std::string& crl_file_name,
+                                          bool set_trust_anchor) {
+  std::string crl_raw =
+      cast_certificate::testing::ReadCRLFromFile(crl_file_name);
+
+  ClearCRLTrustAnchorForTest();
+  if (set_trust_anchor)
+    EXPECT_TRUE(AddCRLTrustAnchorForTest(kCastCRLTestRootCaDer,
+                                         sizeof(kCastCRLTestRootCaDer)));
+
+  std::unique_ptr<CastCRL> crl = ParseCRL(crl_raw);
+  if (expected_result == RESULT_CRL_INVALID) {
+    EXPECT_EQ(crl.get(), nullptr);
+    return nullptr;
+  }
+  EXPECT_NE(crl.get(), nullptr);
+  return crl;
+}
+
+void RunTest(TestResultCert expected_result,
+             const std::string& certs_file_name,
+             const std::string& crl_file_name,
+             const base::Time::Exploded& time) {
+  auto certs =
+      cast_certificate::testing::ReadCertificateChainFromFile(certs_file_name);
+
+  std::unique_ptr<CastCRL> crl =
+      RunTestVerifyCRL(RESULT_CRL_VALID, crl_file_name, true);
+  ASSERT_NE(crl.get(), nullptr);
+
+  bool result = crl->VerifyDeviceCertRevocation(certs, time);
+  if (expected_result == RESULT_CERT_INVALID) {
+    ASSERT_FALSE(result);
+    return;
+  }
+  EXPECT_TRUE(result);
+}
+
+base::Time::Exploded TestTimeValid() {
+  return cast_certificate::testing::CreateDate(2016, 6, 10);
+}
+
+base::Time::Exploded TestTimeFuture() {
+  return cast_certificate::testing::CreateDate(2200, 1, 1);
+}
+
+base::Time::Exploded TestTimePast() {
+  return cast_certificate::testing::CreateDate(1900, 1, 1);
+}
+
+// Tests the verification and parsing of an empty CRL signed by an unexpired
+// trusted CRL authoriy.
+TEST(ParseCRLTest, CRLEmpty) {
+  RunTestVerifyCRL(RESULT_CRL_VALID, "crl/empty.crl", true);
+}
+
+// Tests the verification and parsing of a CRL signed by an unexpired trusted
+// CRL authoriy.
+TEST(ParseCRLTest, CRLValid) {
+  RunTestVerifyCRL(RESULT_CRL_VALID, "crl/nonempty_norevoke.crl", true);
+}
+
+// Tests the verification and parsing of a CRL whose signer is not trusted.
+TEST(ParseCRLTest, CRLUntrusted) {
+  RunTestVerifyCRL(RESULT_CRL_INVALID, "crl/nonempty_norevoke.crl", false);
+}
+
+// Tests the verification and parsing of a CRL whose signer certificate is
+// expired.
+TEST(ParseCRLTest, CRLSignerExpired) {
+  RunTestVerifyCRL(RESULT_CRL_INVALID, "crl/signer_expired.crl", true);
+}
+
+// Tests the verification and parsing of a CRL whose certificate does not verify
+// the signature
+TEST(ParseCRLTest, CRLWrongSignature) {
+  RunTestVerifyCRL(RESULT_CRL_INVALID, "crl/badsignature.crl", true);
+}
+
+// Tests the verification of an unrevoked certificate (empty CRL)
+TEST(ParseCRLTest, ValidEmpty) {
+  RunTest(RESULT_CERT_VALID, "certificates/chromecast_gen1.pem",
+          "crl/empty.crl", TestTimeValid());
+}
+
+// Tests the verification of an unrevoked certificate
+TEST(ParseCRLTest, ValidCert) {
+  RunTest(RESULT_CERT_VALID, "certificates/chromecast_gen1.pem",
+          "crl/nonempty_norevoke.crl", TestTimeValid());
+}
+
+// Tests the verification of unrevoked certificates (serial number edge cases)
+TEST(ParseCRLTest, ValidCertSerialEdges) {
+  RunTest(RESULT_CERT_VALID, "certificates/fugu.pem", "crl/revoked_serial.crl",
+          TestTimeValid());
+}
+
+// Tests the verification of an unrevoked certificate (serial revoked for
+// different issuer)
+TEST(ParseCRLTest, ValidCertSerialRevokeWrongIssuer) {
+  RunTest(RESULT_CERT_VALID, "certificates/chromecast_gen1.pem",
+          "crl/revoked_serial.crl", TestTimeValid());
+}
+
+// Tests the verification of a certificate revoked by serial number
+TEST(ParseCRLTest, RevokedCertSerial) {
+  RunTest(RESULT_CERT_INVALID, "certificates/chromecast_gen2.pem",
+          "crl/revoked_serial.crl", TestTimeValid());
+}
+
+// Tests the verification of a certificate without a chain
+TEST(ParseCRLTest, RevokedUnchained) {
+  RunTest(RESULT_CERT_INVALID, "certificates/unchained.pem",
+          "crl/nonempty_norevoke.crl", TestTimeValid());
+}
+
+// Tests the verification of a certificate revoked by the public key hash
+TEST(ParseCRLTest, RevokedCertHash) {
+  RunTest(RESULT_CERT_INVALID, "certificates/chromecast_gen1.pem",
+          "crl/revoked_cert_hash.crl", TestTimeValid());
+}
+// Tests the verification of a certificate whose ICA is revoked by the public
+// key hash.
+TEST(ParseCRLTest, RevokedICAHash) {
+  RunTest(RESULT_CERT_INVALID, "certificates/chromecast_gen2.pem",
+          "crl/revoked_ica_hash.crl", TestTimeValid());
+}
+
+// Tests the verification of a certificate whose trust anchor is revoked by the
+// public key hash.
+TEST(ParseCRLTest, RevokedRootHash) {
+  RunTest(RESULT_CERT_INVALID, "certificates/chromecast_gen2.pem",
+          "crl/revoked_root_hash.crl", TestTimeValid());
+}
+
+// Tests the verification of a certificate whose ICA is revoked by the serial
+// number.
+TEST(ParseCRLTest, RevokedICASerial) {
+  RunTest(RESULT_CERT_INVALID, "certificates/fugu.pem",
+          "crl/revoked_ica_serial1.crl", TestTimeValid());
+}
+
+// Tests the verification of a certificate whose ICA is revoked by the serial
+// number (edge cases).
+TEST(ParseCRLTest, RevokedICASerialEdges) {
+  RunTest(RESULT_CERT_INVALID, "certificates/fugu.pem",
+          "crl/revoked_ica_serial2.crl", TestTimeValid());
+  RunTest(RESULT_CERT_INVALID, "certificates/chromecast_gen2.pem",
+          "crl/revoked_ica_serial2.crl", TestTimeValid());
+}
+
+// Tests the verification of a certificate whose trust anchor is revoked by the
+// serial number
+TEST(ParseCRLTest, RevokedRootSerial) {
+  RunTest(RESULT_CERT_INVALID, "certificates/cast_root_ca.pem",
+          "crl/revoked_ica_serial1.crl", TestTimeValid());
+}
+
+// Tests the verification of a valid certificate with an expired CRL
+TEST(ParseCRLTest, ExpiredCRLValidCert) {
+  RunTest(RESULT_CERT_INVALID, "certificates/chromecast_gen1.pem",
+          "crl/nonempty_norevoke.crl", TestTimeFuture());
+}
+
+// Tests the verification of a revoked certificate with an expired CRL
+TEST(ParseCRLTest, ExpiredCRLInvalidCert) {
+  RunTest(RESULT_CERT_INVALID, "certificates/chromecast_gen1.pem",
+          "crl/revoked_cert_hash.crl", TestTimeFuture());
+}
+
+// Tests the verification of a valid certificate with a CRL whose creation time
+// is in the future.
+TEST(ParseCRLTest, PostdatedCRLValidCert) {
+  RunTest(RESULT_CERT_INVALID, "certificates/chromecast_gen1.pem",
+          "crl/nonempty_norevoke.crl", TestTimePast());
+}
+
+}  // namespace
+
+}  // namespace cast_certificate