| // Copyright 2017 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 <string> |
| #include <vector> |
| |
| #include "net/tools/transport_security_state_generator/cert_util.h" |
| #include "net/tools/transport_security_state_generator/spki_hash.h" |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/boringssl/src/include/openssl/x509v3.h" |
| |
| namespace net { |
| |
| namespace transport_security_state { |
| |
| namespace { |
| |
| // Certficate with the subject CN set to "Chromium", the subject organisation |
| // set to "The Chromium Projects", and the subject organizational unit set to |
| // "Security." |
| static const char kSelfSignedWithCommonNamePEM[] = |
| "-----BEGIN CERTIFICATE-----\n" |
| "MIIDeTCCAmGgAwIBAgIJAKZbsC4gPYAUMA0GCSqGSIb3DQEBCwUAMFMxETAPBgNV\n" |
| "BAMMCENocm9taXVtMR4wHAYDVQQKDBVUaGUgQ2hyb21pdW0gUHJvamVjdHMxETAP\n" |
| "BgNVBAsMCFNlY3VyaXR5MQswCQYDVQQGEwJVUzAeFw0xNzAxMjkyMDU1NDFaFw0x\n" |
| "ODAxMjkyMDU1NDFaMFMxETAPBgNVBAMMCENocm9taXVtMR4wHAYDVQQKDBVUaGUg\n" |
| "Q2hyb21pdW0gUHJvamVjdHMxETAPBgNVBAsMCFNlY3VyaXR5MQswCQYDVQQGEwJV\n" |
| "UzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMlir9M85QOvQ5ok+uvH\n" |
| "XF7kmW21B22Ffdw+B2mXTV6NLGvINCdwocIlebQlAdWS2QY/WM08uAYJ3m0IGD+t\n" |
| "6OG4zG3vOmWMdFQy4XkxMsDkbV11F9n4dsF5TXEvILlupOtOWu6Up8vfFkii/x+/\n" |
| "bz4aGBDdFu6U8TdQ8ELSmHxJYi4LM0lUKTdLLte3T5Grv3UUXQW33Qs6RXZlH/ul\n" |
| "jf7/v0HQefM3XdT9djG1XRv8Ga32c8tz+wtSw7PPIWjt0ZDJxZ2/fX7YLwAt2D6N\n" |
| "zQgrNJtL0/I/j9sO6A0YQeHzmnlyoAd14VhBfEllZc51pFaut31wpbPPxtH0K0Ro\n" |
| "2XUCAwEAAaNQME4wHQYDVR0OBBYEFD7eitJ8KlIaVS4J9w2Nz+5OE8H0MB8GA1Ud\n" |
| "IwQYMBaAFD7eitJ8KlIaVS4J9w2Nz+5OE8H0MAwGA1UdEwQFMAMBAf8wDQYJKoZI\n" |
| "hvcNAQELBQADggEBAFjuy0Jhj2E/ALOkOst53/nHIpT5suru4H6YEmmPye+KCQnC\n" |
| "ws1msPyLQ8V10/kyQzJTSLbeehNyOaK99KJk+hZBVEKBa9uH3WXPpiwz1xr3STJO\n" |
| "hhV2wXGTMqe5gryR7r+n88+2TpRiZ/mAVyJm4NQgev4HZbFsl3sT50AQrrEbHHiY\n" |
| "Sh38NCR8JCVuzLBjcEEIWxjhDPkdNPJtx3cBkIDP+Cz1AUSPretGk7CQAGivq7Kq\n" |
| "9y6A59guc1RFVPeEQAxUIUDZGDQlB3PtmrXrp1/LAaDYvQCstDBgiZoamy+xSROP\n" |
| "BU2KIzRj2EUOWqtIURU4Q2QC1fbVqxVjfPowX/A=\n" |
| "-----END CERTIFICATE-----\n"; |
| |
| // Certificate without a subject CN. The subject organisation is set to |
| // "The Chromium Projects" and the subject origanisational unit is set to |
| // "Security". |
| static const char kSelfSignedWithoutCommonNamePEM[] = |
| "-----BEGIN CERTIFICATE-----\n" |
| "MIIDUzCCAjugAwIBAgIJAI18Ifktf3YOMA0GCSqGSIb3DQEBCwUAMEAxHjAcBgNV\n" |
| "BAoMFVRoZSBDaHJvbWl1bSBQcm9qZWN0czERMA8GA1UECwwIU2VjdXJpdHkxCzAJ\n" |
| "BgNVBAYTAlVTMB4XDTE3MDEyOTIxMTMwMloXDTE4MDEyOTIxMTMwMlowQDEeMBwG\n" |
| "A1UECgwVVGhlIENocm9taXVtIFByb2plY3RzMREwDwYDVQQLDAhTZWN1cml0eTEL\n" |
| "MAkGA1UEBhMCVVMwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCxfBIg\n" |
| "4hVljlFbyZ88mhLEKCfy/8X127H16ywcy+q+jlj7YtlWqGKlfIjKQkXKeI/xUB1F\n" |
| "ZC1S0kmVycAoahb4m+NqkfBkuxbpc5gYsv9TdgiNIhEezx6Z9OTPjGnTZVDjJNsQ\n" |
| "MVKfG+DD3qAf22PhpU2zGXCF2ECL7J/Lh6Wu/W3InuIcJGm3D7F182UK86stvC/+\n" |
| "mS9K7AJyX320vHWYsVB/jA9w6cSdlZf454E+wtsS0b+UIMF6fewg2Xb/FYxRsOjp\n" |
| "ppVpF8/2v6JzDjBhdZkYufR5M43tCEUBBK6TwfXAPfK3v2IDcoW+iOuztW5/cdTs\n" |
| "rVaGK9YqRDIeFWKNAgMBAAGjUDBOMB0GA1UdDgQWBBRh2Ef5+mRtj2sJHpXWlWai\n" |
| "D3zNXTAfBgNVHSMEGDAWgBRh2Ef5+mRtj2sJHpXWlWaiD3zNXTAMBgNVHRMEBTAD\n" |
| "AQH/MA0GCSqGSIb3DQEBCwUAA4IBAQAmxdLSlb76yre3VmugMQqybSkJr4+OZm6c\n" |
| "ES6TQeBzNrbPQhYPAfTUa2i4Cx5r4tMTp1IfUKgtng4qnKyLRgC+BV4zAfSRxbuw\n" |
| "aqicO1Whtl/Vs2Cdou10EU68kKOxLqNdzfXVVSQ/HxGFJFFJdSLfjpRTcfbORfeh\n" |
| "BfFQkjdlK8DdX8pPLjHImFKXT/8IpPPq41k2KuIhG3cd2vBNV7n7U793LSE+dPQk\n" |
| "0jKehPOfiPBl1nWr7ZTF8bYtgxboVsv73E6IoQhPGPnnDF3ISQ5/ulDQNXJr2PI3\n" |
| "ZYZ4PtSKcBi97BucW7lkt3bWY44TZGVHY1s4EGQFqU4aDyP+aR7Z\n" |
| "-----END CERTIFICATE-----\n"; |
| |
| // Certificate without a subject CN, organisation or organizational unit. |
| static const char kSelfSignedWithoutSubject[] = |
| "-----BEGIN CERTIFICATE-----\n" |
| "MIIC7TCCAdWgAwIBAgIJAOPMcoAKhzZPMA0GCSqGSIb3DQEBCwUAMA0xCzAJBgNV\n" |
| "BAYTAlVTMB4XDTE3MDEyOTIxNDA1MloXDTE4MDEyOTIxNDA1MlowDTELMAkGA1UE\n" |
| "BhMCVVMwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDLn0oths5iUbDN\n" |
| "h5IssWAf4jBRVh0c7AfVpnsriSdpgMEfApjE4Fcb3ma/8g+f2SB0x7bSLKMfpKZl\n" |
| "v7tQBuNXsbMcv1l4Ip595ZznSr74Fpuc6K0pqaVUSrgt2EVDp6lx12fFcXMI08Ar\n" |
| "76v06loe7HnO+cOCAXn3Yd89UznB7w8a+RiJlUzb4vksksSQyxCOYwahx6kuN9vh\n" |
| "MkjmzoVSbO6vtHktECsq5M2k98GZMmbXimW+lkyqsG3qJnmAYsIapDE1droPp5Cx\n" |
| "l/tQ95CKEZQDuF4Zv+fgg0eHnnCAhuCPnM8GblOTsAsSjNd8GM+4eJPPtAHdB1nn\n" |
| "HCYB/QadAgMBAAGjUDBOMB0GA1UdDgQWBBTxlQlna2f2VttJkEoeayPsCF7SxzAf\n" |
| "BgNVHSMEGDAWgBTxlQlna2f2VttJkEoeayPsCF7SxzAMBgNVHRMEBTADAQH/MA0G\n" |
| "CSqGSIb3DQEBCwUAA4IBAQBUOmDhs3K1v+tPeO+TWFw8NDfOkcWy6EX+c6K7mSwF\n" |
| "mJjqWsEUBp+WbTK6RoVjuLucH5mRF3FmRrW/hOnxIWxpHg5/9vodReLDPnUw0Anb\n" |
| "QoxKgJ41VfD8aGK8GDPOrETwbIR6+d9P6bDKukiuW41Yh5TjXLufaQ1g9C1AIEoG\n" |
| "88Akr6g9Q0vJJXGl9YcPFz6M1wm3l/lH08v2Ual52elFXYcDcoxhLCOdImmWGlnn\n" |
| "MYXxdl1ivj3hHgFXxkIbrlYKVSBhwPPgjVYKkimFcZF5Xw7wfmIl/WUtVaRpmkGp\n" |
| "3TgH7jdRQ1WXlROBct/4Z8jzs7i+Ttk8oxct2r+PdqeZ\n" |
| "-----END CERTIFICATE-----\n"; |
| |
| // Valid PEM certificate headers but invalid BASE64 content. |
| static const char kInvalidCertificatePEM[] = |
| "-----BEGIN CERTIFICATE-----\n" |
| "This is invalid base64.\n" |
| "It contains some (#$*) invalid characters.\n" |
| "-----END CERTIFICATE-----\n"; |
| |
| // Valid PEM public key headers but invalid BASE64 content. |
| static const char kInvalidPublicKeyPEM[] = |
| "-----BEGIN PUBLIC KEY-----\n" |
| "This is invalid base64.\n" |
| "It contains some (#$*) invalid characters.\n" |
| "-----END PUBLIC KEY-----\n"; |
| |
| // Valid 2048 bit RSA public key. |
| static const char kPublicKeyPEM[] = |
| "-----BEGIN PUBLIC KEY-----\n" |
| "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAujzwcb5bJuC/A/Y9izGl\n" |
| "LlA3fnKGbeyn53BdVznJN4fQwU82WKVYdqt8d/1ZDRdYyhGrTgXJeCURe9VSJyX1\n" |
| "X2a5EApSFsopP8Yjy0Rl6dNOLO84KCW9dPmfHC3uP0ac4hnHT5dUr05YvhJmHCkf\n" |
| "as6v/aEgpPLDhRF6UruSUh+gIpUg/F3+vlD99HLfbloukoDtQyxW+86s9sO7RQ00\n" |
| "pd79VOoa/v09FvoS7MFgnBBOtvBQLOXjEH7/qBsnrXFtHBeOtxSLar/FL3OhVXuh\n" |
| "dUTRyc1Mg0ECtz8zHZugW+LleIm5Bf5Yr0bN1O/HfDPCkDaCldcm6xohEHn9pBaW\n" |
| "+wIDAQAB\n" |
| "-----END PUBLIC KEY-----\n"; |
| |
| // Valid 2048 bit RSA public key with incorrect PEM headers. |
| static const char kUnknownPEMHeaders[] = |
| "-----BEGIN OF SOMETHING-----\n" |
| "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAujzwcb5bJuC/A/Y9izGl\n" |
| "LlA3fnKGbeyn53BdVznJN4fQwU82WKVYdqt8d/1ZDRdYyhGrTgXJeCURe9VSJyX1\n" |
| "X2a5EApSFsopP8Yjy0Rl6dNOLO84KCW9dPmfHC3uP0ac4hnHT5dUr05YvhJmHCkf\n" |
| "as6v/aEgpPLDhRF6UruSUh+gIpUg/F3+vlD99HLfbloukoDtQyxW+86s9sO7RQ00\n" |
| "pd79VOoa/v09FvoS7MFgnBBOtvBQLOXjEH7/qBsnrXFtHBeOtxSLar/FL3OhVXuh\n" |
| "dUTRyc1Mg0ECtz8zHZugW+LleIm5Bf5Yr0bN1O/HfDPCkDaCldcm6xohEHn9pBaW\n" |
| "+wIDAQAB\n" |
| "-----END OF SOMETHING-----\n"; |
| |
| TEST(CertUtilTest, GetX509CertificateFromPEM) { |
| EXPECT_NE(nullptr, GetX509CertificateFromPEM(kSelfSignedWithCommonNamePEM)); |
| EXPECT_NE(nullptr, GetX509CertificateFromPEM(kSelfSignedWithoutSubject)); |
| EXPECT_EQ(nullptr, GetX509CertificateFromPEM(kInvalidCertificatePEM)); |
| EXPECT_EQ(nullptr, GetX509CertificateFromPEM(kInvalidPublicKeyPEM)); |
| } |
| |
| // Test that the SPKI digest is correctly calculated for valid certificates. |
| TEST(CertUtilTest, CalculateSPKIHashFromCertificate) { |
| SPKIHash hash1; |
| bssl::UniquePtr<X509> cert1 = |
| GetX509CertificateFromPEM(kSelfSignedWithCommonNamePEM); |
| EXPECT_TRUE(CalculateSPKIHashFromCertificate(cert1.get(), &hash1)); |
| std::vector<uint8_t> hash_vector(hash1.data(), hash1.data() + hash1.size()); |
| EXPECT_THAT( |
| hash_vector, |
| testing::ElementsAreArray( |
| {0xAC, 0xFB, 0x2B, 0xF3, 0x6A, 0x90, 0x47, 0xF1, 0x74, 0xAE, 0xF1, |
| 0xCE, 0x63, 0x3D, 0xA9, 0x45, 0xCB, 0xA, 0xA7, 0x3F, 0x16, 0x2A, |
| 0xF3, 0x88, 0x9A, 0xE2, 0x72, 0xC, 0x07, 0x63, 0x45, 0xB0})); |
| |
| SPKIHash hash2; |
| bssl::UniquePtr<X509> cert2 = |
| GetX509CertificateFromPEM(kSelfSignedWithoutCommonNamePEM); |
| EXPECT_TRUE(CalculateSPKIHashFromCertificate(cert2.get(), &hash2)); |
| std::vector<uint8_t> hash_vector2(hash2.data(), hash2.data() + hash2.size()); |
| EXPECT_THAT( |
| hash_vector2, |
| testing::ElementsAreArray( |
| {0x40, 0xBC, 0xD6, 0xE4, 0x10, 0x70, 0x37, 0x3C, 0xF7, 0x21, 0x51, |
| 0xD7, 0x27, 0x64, 0xFD, 0xF1, 0xA, 0x89, 0x0, 0xAD, 0x75, 0xDF, |
| 0xB3, 0xEA, 0x21, 0xFC, 0x6E, 0x67, 0xD5, 0xAE, 0xA4, 0x94})); |
| } |
| |
| // Test that the SPKI digest for public key's are calculated correctly. |
| TEST(CertUtilTest, CalculateSPKIHashFromKey) { |
| SPKIHash hash1; |
| EXPECT_TRUE(CalculateSPKIHashFromKey(kPublicKeyPEM, &hash1)); |
| std::vector<uint8_t> hash_vector(hash1.data(), hash1.data() + hash1.size()); |
| EXPECT_THAT( |
| hash_vector, |
| testing::ElementsAreArray( |
| {0x63, 0xB0, 0x21, 0x4, 0x3, 0x13, 0x9E, 0x36, 0xEE, 0xCB, 0x6F, |
| 0xA5, 0x7A, 0x94, 0x56, 0x18, 0xBA, 0x41, 0x13, 0x8C, 0x4A, 0x48, |
| 0x99, 0x80, 0x51, 0x66, 0xF8, 0x85, 0x2, 0xFC, 0x48, 0x9E})); |
| SPKIHash hash2; |
| EXPECT_FALSE(CalculateSPKIHashFromKey(kInvalidPublicKeyPEM, &hash2)); |
| |
| SPKIHash hash3; |
| EXPECT_FALSE( |
| CalculateSPKIHashFromKey(kSelfSignedWithoutCommonNamePEM, &hash3)); |
| |
| SPKIHash hash4; |
| EXPECT_FALSE(CalculateSPKIHashFromKey(kUnknownPEMHeaders, &hash4)); |
| } |
| |
| // Test that the subject name is extracted correctly. This should default to the |
| // subject common name and fall back to the organisation + organizational unit. |
| TEST(CertUtilTest, ExtractSubjectNameFromCertificate) { |
| std::string name1; |
| bssl::UniquePtr<X509> cert1 = |
| GetX509CertificateFromPEM(kSelfSignedWithCommonNamePEM); |
| EXPECT_TRUE(ExtractSubjectNameFromCertificate(cert1.get(), &name1)); |
| |
| // For certficates with the subject common name field set, we should get the |
| // value of the subject common name. |
| EXPECT_EQ("Chromium", name1); |
| |
| std::string name2; |
| bssl::UniquePtr<X509> cert2 = |
| GetX509CertificateFromPEM(kSelfSignedWithoutCommonNamePEM); |
| EXPECT_TRUE(ExtractSubjectNameFromCertificate(cert2.get(), &name2)); |
| |
| // For certificates without a subject common name field, we should get |
| // the subject organization + " " + organizational unit instead. |
| EXPECT_EQ("The Chromium Projects Security", name2); |
| |
| std::string name3; |
| bssl::UniquePtr<X509> cert3 = |
| GetX509CertificateFromPEM(kSelfSignedWithoutSubject); |
| EXPECT_FALSE(ExtractSubjectNameFromCertificate(cert3.get(), &name3)); |
| } |
| |
| } // namespace |
| |
| } // namespace transport_security_state |
| |
| } // namespace net |