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Package testonly

import "github.com/google/certificate-transparency-go/trillian/ctfe/testonly"
Overview
Index

Overview ▾

Package testonly contains code and data that should only be used by tests. Production code MUST NOT depend on anything in this package. This will be enforced by tools where possible.

As an example PEM encoded test certificates and helper functions to decode them are suitable candidates for being placed in testonly.

This package should only contain CT specific code and certificate data.

Index ▾

Package files

certificates.go doc.go keys.go

Constants

CACertPEM is a valid test CA certificate.

Data:
    Version: 3 (0x2)
    Serial Number: 0 (0x0)
Signature Algorithm: sha1WithRSAEncryption
    Issuer: C=GB, O=Certificate Transparency CA, ST=Wales, L=Erw Wen
    Validity
        Not Before: Jun  1 00:00:00 2012 GMT
        Not After : Jun  1 00:00:00 2022 GMT
    Subject: C=GB, O=Certificate Transparency CA, ST=Wales, L=Erw Wen
    Subject Public Key Info:
        Public Key Algorithm: rsaEncryption
            Public-Key: (1024 bit)
            Modulus:
                00:d5:8a:68:53:62:10:a2:71:19:93:6e:77:83:21:
                18:1c:2a:40:13:c6:d0:7b:8c:76:eb:91:57:d3:d0:
                fb:4b:3b:51:6e:ce:cb:d1:c9:8d:91:c5:2f:74:3f:
                ab:63:5d:55:09:9c:d1:3a:ba:f3:1a:e5:41:44:24:
                51:a7:4c:78:16:f2:24:3c:f8:48:cf:28:31:cc:e6:
                7b:a0:4a:5a:23:81:9f:3c:ba:37:e6:24:d9:c3:bd:
                b2:99:b8:39:dd:fe:26:31:d2:cb:3a:84:fc:7b:b2:
                b5:c5:2f:cf:c1:4f:ff:40:6f:5c:d4:46:69:cb:b2:
                f7:cf:df:86:fb:6a:b9:d1:b1
            Exponent: 65537 (0x10001)
    X509v3 extensions:
        X509v3 Subject Key Identifier:
            5F:9D:88:0D:C8:73:E6:54:D4:F8:0D:D8:E6:B0:C1:24:B4:47:C3:55
        X509v3 Authority Key Identifier:
            keyid:5F:9D:88:0D:C8:73:E6:54:D4:F8:0D:D8:E6:B0:C1:24:B4:47:C3:55
            DirName:/C=GB/O=Certificate Transparency CA/ST=Wales/L=Erw Wen
            serial:00

        X509v3 Basic Constraints:
            CA:TRUE
Signature Algorithm: sha1WithRSAEncryption
     06:08:cc:4a:6d:64:f2:20:5e:14:6c:04:b2:76:f9:2b:0e:fa:
     94:a5:da:f2:3a:fc:38:06:60:6d:39:90:d0:a1:ea:23:3d:40:
     29:57:69:46:3b:04:66:61:e7:fa:1d:17:99:15:20:9a:ea:2e:
     0a:77:51:76:41:12:27:d7:c0:03:07:c7:47:0e:61:58:4f:d7:
     33:42:24:72:7f:51:d6:90:bc:47:a9:df:35:4d:b0:f6:eb:25:
     95:5d:e1:89:3c:4d:d5:20:2b:24:a2:f3:e4:40:d2:74:b5:4e:
     1b:d3:76:26:9c:a9:62:89:b7:6e:ca:a4:10:90:e1:4f:3b:0a:
     94:2e
const CACertPEM = `
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`

CTLogIDBase64 is the log ID that corresponds to the test keys

const CTLogIDBase64 string = "fMW69rPsQG6J9V1zJeIvei6q+GGYrNxe84y5e0/KaEw="

CTLogKeyPassword is the password for the test key

const CTLogKeyPassword string = "napkin"

CTLogPrivateKeyPEM is an ECDSA private key for log tests

const CTLogPrivateKeyPEM string = `
-----BEGIN EC PRIVATE KEY-----
Proc-Type: 4,ENCRYPTED
DEK-Info: DES-CBC,CD876BDE00043553

mvY+JQH/K5NeNba10dtLyvkmVrH+hS9kPkKSk/exHPezCyHF8FytpOMC5sKDj5S4
180O3hcZytZMh3b7lvyimxZ5HmfTm+ZBxAEZCigmb+pBxSzTX7+MK7bew2XZeQdl
p4G1u2PHCzVeyPnRd2XLQ0SBo0T7pKsGVLgae4N45UA=
-----END EC PRIVATE KEY-----
`

CTLogPublicKeyPEM is the corresponding public key

const CTLogPublicKeyPEM string = `
-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEQczNovWyMB74+fAgPAiX60k0M4cO
QYn3hIzwSTVAcrKhHDyT85t4BoXdgl6XzMAVHmF7b6GyKoyyya1hSW4lLg==
-----END PUBLIC KEY-----`

FakeCACertPEM is a test CA cert for testing.

Data:
    Version: 3 (0x2)
    Serial Number:
        b6:31:d2:ac:21:ab:65:20
Signature Algorithm: sha256WithRSAEncryption
    Issuer: C=GB, ST=London, L=London, O=Google, OU=Eng, CN=FakeCertificateAuthority
    Validity
        Not Before: Jul 11 12:23:26 2016 GMT
        Not After : Jul 11 12:23:26 2017 GMT
    Subject: C=GB, ST=London, L=London, O=Google, OU=Eng, CN=FakeCertificateAuthority
    Subject Public Key Info:
        Public Key Algorithm: rsaEncryption
            Public-Key: (2048 bit)
            Modulus:
                00:a5:41:9a:7a:2d:98:a3:b5:78:6f:15:21:db:0c:
                c1:0e:a1:f8:26:f5:b3:b2:67:85:dc:a1:e6:b7:83:
                6d:da:63:da:d0:f6:a3:ff:bc:43:f5:2b:9f:00:19:
                6e:6b:60:4b:43:20:6e:e2:cb:2e:b6:65:ed:9b:dc:
                80:c3:e1:5a:96:af:60:78:0e:0e:fb:8f:ea:3e:3d:
                c9:67:8f:a4:57:1c:ba:e4:f3:37:a9:2f:dd:11:9d:
                10:5d:e5:d6:ef:d4:3b:06:d9:34:43:42:bb:bb:be:
                43:40:2b:e3:b6:d1:b5:6c:58:12:34:96:14:d4:fc:
                49:79:c5:26:8c:24:7d:b3:12:f5:f6:3e:b7:41:46:
                6b:6d:3a:41:fd:7c:e3:b5:fc:96:6c:c6:cc:ad:8d:
                48:09:73:44:64:ea:4f:17:1d:0a:4b:14:5a:19:07:
                4a:32:0f:41:2e:e4:85:bd:a1:e1:9b:de:63:7c:3b:
                bc:ec:aa:93:2a:0b:a8:c7:24:34:54:42:38:a5:d1:
                0c:c4:f9:9e:7c:69:42:71:77:d7:95:aa:bb:13:3d:
                f3:cc:c7:5d:b3:fd:76:25:25:e3:da:14:0e:59:81:
                e8:2c:58:e8:09:29:7d:22:02:91:95:81:eb:55:6f:
                2f:17:b9:af:4a:f3:84:8b:24:6e:ea:14:6b:bb:90:
                84:35
            Exponent: 65537 (0x10001)
    X509v3 extensions:
        X509v3 Subject Key Identifier:
            01:02:03:04
        X509v3 Authority Key Identifier:
            keyid:01:02:03:04

        X509v3 Basic Constraints: critical
            CA:TRUE, pathlen:10
        X509v3 Key Usage: critical
            Digital Signature, Non Repudiation, Key Encipherment, Data Encipherment, Key Agreement, Certificate Sign, CRL Sign, Encipher Only, Decipher Only
Signature Algorithm: sha256WithRSAEncryption
     92:be:33:eb:d5:d4:32:e7:9e:4e:65:2a:e8:3f:67:b8:f4:d7:
     34:ab:95:11:6a:5d:ba:fd:57:9b:94:6e:8d:20:be:fb:7a:e1:
     49:ca:39:ea:92:d3:81:5a:b1:87:a3:9f:50:a4:e0:1e:11:de:
     c4:d1:07:a1:ca:d1:97:1a:92:bd:73:9a:11:ec:6a:9a:52:11:
     2d:40:e1:3b:4f:3c:1f:81:3f:4c:ab:6a:02:84:4f:8b:18:36:
     7a:cc:5c:a9:0e:25:2b:cd:57:53:88:d9:eb:82:b1:ce:62:76:
     56:d4:23:9e:01:b3:6d:2b:49:ea:d4:3a:c2:f5:76:a7:b3:2d:
     24:97:6f:b4:1c:74:6b:95:85:f6:b5:41:56:82:3c:ed:be:96:
     1e:5e:6a:2d:7b:f7:fd:7d:6e:3f:fb:c2:ec:61:b3:7c:7f:3b:
     f5:9c:64:61:5f:02:93:87:cd:81:f9:7e:53:3e:c1:f5:79:85:
     f4:41:87:c7:ca:bd:af:ab:2b:a4:aa:a8:1d:2c:50:ad:23:8f:
     db:13:1d:71:8a:85:bd:ac:59:6c:c4:53:c5:71:0c:90:91:f3:
     0b:41:ef:da:6e:27:bb:09:57:9c:97:b9:d7:fc:20:96:c5:75:
     96:ce:2e:6c:a8:b6:6e:b0:4d:0f:3e:01:95:ea:8b:cd:ae:47:
     d0:d9:01:b7
const FakeCACertPEM = `
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`

FakeIntermediateCertPEM is a test intermediate CA cert.

Data:
    Version: 3 (0x2)
    Serial Number: 4792439526061490155 (0x42822a5b866fbfeb)
Signature Algorithm: sha256WithRSAEncryption
    Issuer: C=GB, ST=London, L=London, O=Google, OU=Eng, CN=FakeCertificateAuthority
    Validity
        Not Before: May 13 14:26:44 2016 GMT
        Not After : Jul 12 14:26:44 2019 GMT
    Subject: C=GB, ST=London, L=London, O=Google, OU=Eng, CN=FakeIntermediateAuthority
    Subject Public Key Info:
        Public Key Algorithm: rsaEncryption
            Public-Key: (2048 bit)
            Modulus:
                00:ca:a4:0c:7a:6d:e9:26:22:d4:67:19:c8:29:40:
                c6:bd:cb:44:39:e7:fa:84:01:1d:b3:04:15:48:37:
                fa:55:d5:98:4b:2a:ff:14:0e:d6:ce:27:6b:29:d5:
                e8:8d:39:eb:be:97:be:53:21:d2:a3:f2:27:ef:46:
                68:1c:6f:84:77:85:b4:68:78:7a:d4:3d:50:49:89:
                8f:9e:6b:4a:ce:74:c0:0f:c8:68:38:7e:ae:82:ae:
                91:0c:6d:87:24:c4:48:f3:e0:8e:a8:3e:0c:f8:e1:
                e8:7f:a1:dd:29:f4:d0:eb:3a:b2:38:77:0f:1a:4e:
                a6:14:c4:b1:db:5b:ed:f9:a4:f0:9d:1e:d8:a8:d0:
                40:28:d6:fc:69:44:0b:37:37:e7:d6:fd:29:b0:70:
                36:47:00:89:81:5a:c9:51:cf:2d:a0:80:76:fc:d8:
                57:28:87:81:71:e4:10:4b:39:16:51:f2:85:ed:a0:
                34:41:bf:f3:52:28:f1:cd:c4:dc:31:f9:26:14:fd:
                b6:65:51:2f:76:e9:82:94:fc:2a:be:1a:a0:58:54:
                d8:b5:de:e3:96:08:07:50:3d:0e:35:26:e5:3a:c7:
                67:e8:8d:b6:f1:34:61:f6:0c:47:d2:fd:0b:51:cf:
                a6:99:97:d4:26:a1:12:14:dd:a2:0e:e5:68:4d:75:
                f7:c5
            Exponent: 65537 (0x10001)
    X509v3 extensions:
        X509v3 Authority Key Identifier:
            keyid:01:02:03:04

        X509v3 Basic Constraints: critical
            CA:TRUE, pathlen:0
        X509v3 Key Usage: critical
            Digital Signature, Non Repudiation, Key Encipherment, Data Encipherment, Key Agreement, Certificate Sign, CRL Sign, Encipher Only, Decipher Only
Signature Algorithm: sha256WithRSAEncryption
     01:e2:3a:0c:00:bc:4c:e1:ac:d3:10:54:0c:fc:6b:e4:ac:c8:
     c2:00:05:74:39:3f:c5:9b:25:e1:e3:90:88:a9:13:8f:b9:66:
     99:2b:65:55:ea:f6:9f:30:39:d9:18:9c:e1:f1:e1:63:62:f4:
     f5:46:41:b2:c6:f4:8b:9f:87:d7:e9:93:c7:32:c9:15:83:8b:
     e5:76:d3:f0:8d:36:d6:b0:32:ad:c2:95:5d:dd:58:2f:7c:4e:
     3e:16:5f:f0:57:0c:27:98:da:32:b8:8d:81:95:f9:db:38:dc:
     76:15:d1:3a:01:9a:fb:eb:71:ca:bf:53:bc:d8:30:61:5c:42:
     22:81:0a:5c:f9:6d:31:3e:18:cb:eb:65:67:0e:e4:0f:cb:87:
     7f:22:d9:84:85:d6:2f:12:7c:35:67:00:e0:65:02:06:66:96:
     57:21:78:7a:46:b1:67:d2:9d:db:88:96:55:2f:4e:c4:6f:10:
     8b:1a:6a:a7:d5:2e:5e:50:a5:15:c1:3a:af:2d:6e:32:bc:e7:
     fd:a0:e9:e6:ab:d6:8c:4f:84:9d:70:f6:17:6c:f9:64:c5:5e:
     49:87:91:6b:ca:25:e6:d8:d7:7b:77:39:f4:a3:03:28:5a:45:
     2b:7c:85:dc:c3:cc:74:c5:c2:33:e3:1d:3f:21:e9:d5:3b:fe:
     13:1d:91:48
const FakeIntermediateCertPEM = `
-----BEGIN CERTIFICATE-----
MIIDnTCCAoWgAwIBAgIIQoIqW4Zvv+swDQYJKoZIhvcNAQELBQAwcTELMAkGA1UE
BhMCR0IxDzANBgNVBAgMBkxvbmRvbjEPMA0GA1UEBwwGTG9uZG9uMQ8wDQYDVQQK
DAZHb29nbGUxDDAKBgNVBAsMA0VuZzEhMB8GA1UEAwwYRmFrZUNlcnRpZmljYXRl
QXV0aG9yaXR5MB4XDTE2MDUxMzE0MjY0NFoXDTE5MDcxMjE0MjY0NFowcjELMAkG
A1UEBhMCR0IxDzANBgNVBAgMBkxvbmRvbjEPMA0GA1UEBwwGTG9uZG9uMQ8wDQYD
VQQKDAZHb29nbGUxDDAKBgNVBAsMA0VuZzEiMCAGA1UEAwwZRmFrZUludGVybWVk
aWF0ZUF1dGhvcml0eTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMqk
DHpt6SYi1GcZyClAxr3LRDnn+oQBHbMEFUg3+lXVmEsq/xQO1s4naynV6I05676X
vlMh0qPyJ+9GaBxvhHeFtGh4etQ9UEmJj55rSs50wA/IaDh+roKukQxthyTESPPg
jqg+DPjh6H+h3Sn00Os6sjh3DxpOphTEsdtb7fmk8J0e2KjQQCjW/GlECzc359b9
KbBwNkcAiYFayVHPLaCAdvzYVyiHgXHkEEs5FlHyhe2gNEG/81Io8c3E3DH5JhT9
tmVRL3bpgpT8Kr4aoFhU2LXe45YIB1A9DjUm5TrHZ+iNtvE0YfYMR9L9C1HPppmX
1CahEhTdog7laE1198UCAwEAAaM4MDYwDwYDVR0jBAgwBoAEAQIDBDASBgNVHRMB
Af8ECDAGAQH/AgEAMA8GA1UdDwEB/wQFAwMH/4AwDQYJKoZIhvcNAQELBQADggEB
AAHiOgwAvEzhrNMQVAz8a+SsyMIABXQ5P8WbJeHjkIipE4+5ZpkrZVXq9p8wOdkY
nOHx4WNi9PVGQbLG9Iufh9fpk8cyyRWDi+V20/CNNtawMq3ClV3dWC98Tj4WX/BX
DCeY2jK4jYGV+ds43HYV0ToBmvvrccq/U7zYMGFcQiKBClz5bTE+GMvrZWcO5A/L
h38i2YSF1i8SfDVnAOBlAgZmllcheHpGsWfSnduIllUvTsRvEIsaaqfVLl5QpRXB
Oq8tbjK85/2g6ear1oxPhJ1w9hds+WTFXkmHkWvKJebY13t3OfSjAyhaRSt8hdzD
zHTFwjPjHT8h6dU7/hMdkUg=
-----END CERTIFICATE-----`

FakeIntermediateWithInvalidNameConstraintsCertPEM is an intermediate CA cert that includes a critical NameConstraints extension that disallows the leaf below; based on ../../testdata/int-ca.cert.

Data:
    Version: 3 (0x2)
    Serial Number: 1111638594 (0x42424242)
Signature Algorithm: ecdsa-with-SHA256
    Issuer: C=GB, ST=London, L=London, O=Google, OU=Eng, CN=FakeCertificateAuthority
    Validity
        Not Before: Feb 13 11:42:37 2018 GMT
        Not After : Dec 23 11:42:37 2027 GMT
    Subject: C=GB, ST=London, L=London, O=Google, OU=Eng, CN=FakeIntermediateAuthority
    Subject Public Key Info:
        Public Key Algorithm: id-ecPublicKey
            Public-Key: (256 bit)
            pub:
                04:f1:bf:2d:e8:8c:66:40:e3:a8:d1:54:e0:42:49:
                02:cb:dd:47:08:85:c2:67:41:4c:eb:f7:87:cd:8d:
                a3:09:c8:18:cc:2e:30:53:16:32:aa:d5:9c:08:73:
                c6:76:fa:fa:3a:38:e9:34:35:9c:51:d1:ee:12:81:
                5d:98:5f:5d:5d
            ASN1 OID: prime256v1
            NIST CURVE: P-256
    X509v3 extensions:
        X509v3 Subject Key Identifier:
            01:02:03:04
        X509v3 Authority Key Identifier:
            keyid:01:02:03:04

        X509v3 Basic Constraints: critical
            CA:TRUE, pathlen:10
        X509v3 Key Usage: critical
            Digital Signature, Non Repudiation, Key Encipherment, Data Encipherment, Key Agreement, Certificate Sign, CRL Sign, Encipher Only, Decipher Only
        X509v3 Name Constraints:
            Permitted:
              DNS:.xyzzy.pem
Signature Algorithm: ecdsa-with-SHA256
     30:45:02:20:3f:0a:40:60:b6:9e:ea:a5:cd:eb:e4:0e:7c:bc:
     40:22:b2:e2:14:07:e8:ab:fa:4a:85:2a:41:18:20:f0:31:1a:
     02:21:00:a4:64:91:6d:79:47:79:0f:16:06:62:a9:88:8b:92:
     6d:40:fa:54:cb:c9:4f:bc:3f:53:27:e5:cd:12:16:53:7a
const FakeIntermediateWithInvalidNameConstraintsCertPEM = `
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`

FakeIntermediateWithNameConstraintsCertPEM is an intermediate CA cert that includes a critical NameConstraints extension that disallows the leaf below; based on ../../testdata/int-ca.cert.

Data:
    Version: 3 (0x2)
    Serial Number: 1111638594 (0x42424242)
Signature Algorithm: ecdsa-with-SHA256
    Issuer: C=GB, ST=London, L=London, O=Google, OU=Eng, CN=FakeCertificateAuthority
    Validity
        Not Before: Feb 13 11:33:08 2018 GMT
        Not After : Dec 23 11:33:08 2027 GMT
    Subject: C=GB, ST=London, L=London, O=Google, OU=Eng, CN=FakeIntermediateAuthority
    Subject Public Key Info:
        Public Key Algorithm: id-ecPublicKey
            Public-Key: (256 bit)
            pub:
                04:f1:bf:2d:e8:8c:66:40:e3:a8:d1:54:e0:42:49:
                02:cb:dd:47:08:85:c2:67:41:4c:eb:f7:87:cd:8d:
                a3:09:c8:18:cc:2e:30:53:16:32:aa:d5:9c:08:73:
                c6:76:fa:fa:3a:38:e9:34:35:9c:51:d1:ee:12:81:
                5d:98:5f:5d:5d
            ASN1 OID: prime256v1
            NIST CURVE: P-256
    X509v3 extensions:
        X509v3 Subject Key Identifier:
            01:02:03:04
        X509v3 Authority Key Identifier:
            keyid:01:02:03:04
        X509v3 Basic Constraints: critical
            CA:TRUE, pathlen:10
        X509v3 Key Usage: critical
            Digital Signature, Non Repudiation, Key Encipherment, Data Encipherment, Key Agreement, Certificate Sign, CRL Sign, Encipher Only, Decipher Only
        X509v3 Name Constraints:
            Permitted:
              DNS:.csr.pem
Signature Algorithm: ecdsa-with-SHA256
     30:46:02:21:00:fd:11:41:d8:1f:2b:b5:49:8e:27:6e:70:93:
     2c:f1:c2:e7:b0:a2:40:e2:c6:89:45:fc:99:a5:9b:dc:21:fb:
     f6:02:21:00:b7:4f:98:bf:1f:dc:92:e7:db:7c:aa:33:7a:40:
     36:1d:58:19:aa:96:3d:5e:5b:46:5f:47:f6:e3:7d:75:19:4f
const FakeIntermediateWithNameConstraintsCertPEM = `
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`

FakeIntermediateWithPolicyConstraintsCertPEM is an intermediate CA cert that includes a critical PolicyConstraints extension; based on ../../testdata/int-ca.cert.

Data:
    Version: 3 (0x2)
    Serial Number: 1111638594 (0x42424242)
Signature Algorithm: ecdsa-with-SHA256
    Issuer: C=GB, ST=London, L=London, O=Google, OU=Eng, CN=FakeCertificateAuthority
    Validity
        Not Before: Feb 13 09:33:59 2018 GMT
        Not After : Dec 23 09:33:59 2027 GMT
    Subject: C=GB, ST=London, L=London, O=Google, OU=Eng, CN=FakeIntermediateAuthority
    Subject Public Key Info:
        Public Key Algorithm: id-ecPublicKey
            Public-Key: (256 bit)
            pub:
                04:f1:bf:2d:e8:8c:66:40:e3:a8:d1:54:e0:42:49:
                02:cb:dd:47:08:85:c2:67:41:4c:eb:f7:87:cd:8d:
                a3:09:c8:18:cc:2e:30:53:16:32:aa:d5:9c:08:73:
                c6:76:fa:fa:3a:38:e9:34:35:9c:51:d1:ee:12:81:
                5d:98:5f:5d:5d
            ASN1 OID: prime256v1
            NIST CURVE: P-256
    X509v3 extensions:
        X509v3 Subject Key Identifier:
            01:02:03:04
        X509v3 Authority Key Identifier:
            keyid:01:02:03:04
        X509v3 Basic Constraints: critical
            CA:TRUE, pathlen:10
        X509v3 Policy Constraints: critical
            Require Explicit Policy:0
        X509v3 Key Usage: critical
            Digital Signature, Non Repudiation, Key Encipherment, Data Encipherment, Key Agreement, Certificate Sign, CRL Sign, Encipher Only, Decipher Only
Signature Algorithm: ecdsa-with-SHA256
     30:44:02:20:4c:aa:27:8f:d9:83:32:76:40:17:a1:a8:00:1d:
     bc:d1:45:b2:53:c6:47:77:48:f1:c3:89:68:5d:f4:7f:5c:52:
     02:20:39:68:40:5c:fd:f0:2a:e2:3f:34:45:b3:19:2d:e3:4d:
     58:cd:76:42:19:09:cf:5c:1c:e5:f1:71:e0:39:62:b9
const FakeIntermediateWithPolicyConstraintsCertPEM = `
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`

FakeRootCACertPEM is a root CA taken from ../../testdata/fake-ca.cert.

Data:
    Version: 3 (0x2)
    Serial Number: 67554046 (0x406cafe)
Signature Algorithm: ecdsa-with-SHA256
    Issuer: C=GB, ST=London, L=London, O=Google, OU=Eng, CN=FakeCertificateAuthority
    Validity
        Not Before: Dec  7 15:13:36 2016 GMT
        Not After : Dec  5 15:13:36 2026 GMT
    Subject: C=GB, ST=London, L=London, O=Google, OU=Eng, CN=FakeCertificateAuthority
    Subject Public Key Info:
        Public Key Algorithm: id-ecPublicKey
            Public-Key: (256 bit)
            pub:
                04:f2:d3:07:ef:7e:df:cf:ce:f4:f4:0a:5b:bc:9e:
                3f:cb:1c:fd:0c:46:dc:85:fb:c1:f6:d3:b2:ba:1d:
                51:f1:98:6c:48:a8:15:46:45:63:ca:df:d6:c9:ac:
                cf:60:3b:c7:4e:dd:b8:d2:16:ab:a0:09:24:1d:09:
                66:1e:4d:eb:a1
            ASN1 OID: prime256v1
            NIST CURVE: P-256
    X509v3 extensions:
        X509v3 Subject Key Identifier:
            01:02:03:04
        X509v3 Authority Key Identifier:
            keyid:01:02:03:04
        X509v3 Basic Constraints: critical
            CA:TRUE, pathlen:10
        X509v3 Key Usage: critical
            Digital Signature, Non Repudiation, Key Encipherment, Data Encipherment, Key Agreement, Certificate Sign, CRL Sign, Encipher Only, Decipher Only
Signature Algorithm: ecdsa-with-SHA256
     30:46:02:21:00:a6:28:49:39:43:6f:80:e4:43:a6:1e:3b:aa:
     89:5e:c2:25:60:2a:e1:39:bd:55:43:ae:4d:5c:a9:a6:ef:ac:
     65:02:21:00:c9:c5:08:c6:59:93:b4:86:70:a5:6b:54:2b:5b:
     fc:0c:88:6b:b0:23:07:2b:c7:0c:27:de:87:2d:96:80:d5:56
const FakeRootCACertPEM = `
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`

LeafCertPEM is a leaf cert signed by the key in:

adapted from ../../testdata/leaf01.cert.

Data:
    Version: 3 (0x2)
    Serial Number: 3735928559 (0xdeadbeef)
Signature Algorithm: ecdsa-with-SHA256
    Issuer: C=GB, ST=London, L=London, O=Google, OU=Eng, CN=FakeIntermediateAuthority
    Validity
        Not Before: Feb 13 11:38:39 2018 GMT
        Not After : Mar 28 11:38:39 2025 GMT
    Subject: C=GB, ST=London, O=Google, OU=Eng, CN=leaf01.csr.pem
    Subject Public Key Info:
        Public Key Algorithm: id-ecPublicKey
            Public-Key: (256 bit)
            pub:
                04:eb:37:4e:52:45:9c:46:d5:a8:b8:c5:ed:58:b9:
                30:29:a6:70:8a:69:a0:26:5c:9e:2f:6e:b8:6b:23:
                6c:84:e1:46:3a:98:36:82:44:a5:8a:17:8b:41:82:
                32:f4:2d:e0:08:5b:7e:07:38:52:fc:47:56:28:27:
                9b:ed:60:8b:ac
            ASN1 OID: prime256v1
            NIST CURVE: P-256
    X509v3 extensions:
        X509v3 Subject Key Identifier:
            3F:B2:2F:41:FC:11:9A:D3:8D:A6:85:80:84:86:AE:7E:73:2E:69:5D
        X509v3 Authority Key Identifier:
            keyid:01:02:03:04
        X509v3 Key Usage: critical
            Digital Signature, Non Repudiation, Key Encipherment, Data Encipherment, Key Agreement, Encipher Only, Decipher Only
        X509v3 Subject Alternative Name:
            DNS:leaf01.csr.pem
Signature Algorithm: ecdsa-with-SHA256
     30:46:02:21:00:b5:2a:f3:39:1e:06:b7:77:b2:ad:a8:83:1b:
     83:38:64:5e:3a:25:51:e9:57:1f:00:53:72:db:08:11:65:3d:
     f4:02:21:00:a1:4e:5d:b5:9a:8b:10:6e:15:a3:2a:bd:d9:80:
     91:96:7c:1a:4f:8f:91:dc:44:9f:13:ff:57:f0:5e:ce:32:34
const LeafCertPEM = `
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`

LeafSignedByFakeIntermediateCertPEM is a test cert signed by the intermediate CA.

Data:
    Version: 3 (0x2)
    Serial Number: 4792439526061490155 (0x42822a5b866fbfeb)
Signature Algorithm: sha256WithRSAEncryption
    Issuer: C=GB, ST=London, L=London, O=Google, OU=Eng, CN=FakeIntermediateAuthority
    Validity
        Not Before: May 13 14:26:44 2016 GMT
        Not After : Jul 12 14:26:44 2019 GMT
    Subject: C=US, ST=California, L=Mountain View, O=Google Inc, CN=*.google.com, SN=RFC5280 s4.2.1.9 'The pathLenConstraint field ... gives the maximum number of non-self-issued intermediate certificates that may follow this certificate in a valid certification path.', GN=Intermediate CA cert used to sign
    Subject Public Key Info:
        Public Key Algorithm: id-ecPublicKey
            Public-Key: (256 bit)
                04:c4:09:39:84:f5:15:8d:12:54:b2:02:9c:f9:01:
                e2:6d:35:47:d4:0d:d0:11:61:66:09:35:1d:cb:12:
                14:95:b2:3f:ff:35:bd:22:8e:4d:fc:38:50:2d:22:
                d6:98:1e:ca:a0:23:af:a4:96:7e:32:d1:82:5f:31:
                57:fb:28:ff:37
            ASN1 OID: prime256v1
            NIST CURVE: P-256
    X509v3 extensions:
        X509v3 Extended Key Usage:
            TLS Web Server Authentication, TLS Web Client Authentication
        X509v3 Subject Alternative Name:
            DNS:*.google.com, DNS:*.android.com, DNS:*.appengine.google.com, DNS:*.cloud.google.com,
            DNS:*.google-analytics.com, DNS:*.google.ca, DNS:*.google.cl, DNS:*.google.co.in, DNS:*.google.co.jp,
            DNS:*.google.co.uk, DNS:*.google.com.ar, DNS:*.google.com.au, DNS:*.google.com.br, DNS:*.google.com.co,
            DNS:*.google.com.mx, DNS:*.google.com.tr, DNS:*.google.com.vn, DNS:*.google.de, DNS:*.google.es,
            DNS:*.google.fr, DNS:*.google.hu, DNS:*.google.it, DNS:*.google.nl, DNS:*.google.pl, DNS:*.google.pt,
            DNS:*.googleadapis.com, DNS:*.googleapis.cn, DNS:*.googlecommerce.com, DNS:*.googlevideo.com,
            DNS:*.gstatic.cn, DNS:*.gstatic.com, DNS:*.gvt1.com, DNS:*.gvt2.com, DNS:*.metric.gstatic.com,
            DNS:*.urchin.com, DNS:*.url.google.com, DNS:*.youtube-nocookie.com, DNS:*.youtube.com,
            DNS:*.youtubeeducation.com, DNS:*.ytimg.com, DNS:android.clients.google.com, DNS:android.com, DNS:g.co,
            DNS:goo.gl, DNS:google-analytics.com, DNS:google.com, DNS:googlecommerce.com, DNS:urchin.com,
            DNS:youtu.be, DNS:youtube.com, DNS:youtubeeducation.com
        X509v3 Key Usage:
            Digital Signature
        Authority Information Access:
            CA Issuers - URI:http://pki.google.com/GIAG2.crt
            OCSP - URI:http://clients1.google.com/ocsp

        X509v3 Subject Key Identifier:
            DB:F4:6E:63:EE:E2:DC:BE:BF:38:60:4F:98:31:D0:64:44:F1:63:D8
        X509v3 Basic Constraints: critical
            CA:FALSE
        X509v3 Certificate Policies:
            Policy: 1.3.6.1.4.1.11129.2.5.1
            Policy: 2.23.140.1.2.2

        X509v3 CRL Distribution Points:

            Full Name:
              URI:http://pki.google.com/GIAG2.crl

Signature Algorithm: sha256WithRSAEncryption
     0e:a6:6f:79:7d:38:4b:60:f0:c1:76:9c:4e:92:f5:24:ce:12:
     34:72:94:95:8d:cf:1c:0c:d6:78:6b:ee:66:2b:50:36:22:7a:
     be:ff:22:c7:dd:93:2c:40:83:2f:a0:37:29:8f:bb:98:22:bf:
     8e:c6:6c:b4:8b:8f:e9:1e:0f:bd:8a:df:df:f5:c9:aa:79:ac:
     00:e6:ca:a6:1a:74:8e:67:f9:5f:09:82:3c:f9:b4:5b:30:85:
     0b:ae:28:c2:b8:9c:23:7c:6a:59:66:ca:8e:bd:20:6e:20:e4:
     b3:46:f8:06:56:99:5c:b3:47:62:b6:e4:f6:92:10:85:ae:46:
     e5:c1:af:c1:a8:8a:b3:b6:f3:fb:2e:e1:26:56:98:e4:aa:de:
     29:0b:71:ef:0f:45:d4:c6:ce:4f:21:d6:59:18:89:df:7a:ac:
     a6:93:97:de:45:e5:87:06:e3:c7:a4:f2:14:39:b2:b1:99:0b:
     7e:85:cc:3a:62:c1:c4:fb:40:7c:e1:7b:71:f4:13:1e:e2:aa:
     94:7e:ba:a6:b5:65:e7:f6:e9:c1:c3:1a:92:62:c0:aa:c4:74:
     29:43:ee:f4:a6:6b:81:c6:50:7d:b3:a2:d2:b4:8c:c4:f6:cc:
     9a:0e:65:32:8f:14:65:8c:a0:30:20:d5:7a:cf:48:fb:84:a4:
     3a:30:fa:44
const LeafSignedByFakeIntermediateCertPEM = `
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`

PrecertPEMValid is a test certificate containing a valid CT precertificate extension.

Data:
    Version: 3 (0x2)
    Serial Number: 7 (0x7)
Signature Algorithm: sha1WithRSAEncryption
    Issuer: C=GB, O=Certificate Transparency CA, ST=Wales, L=Erw Wen
    Validity
        Not Before: Jun  1 00:00:00 2012 GMT
        Not After : Jun  1 00:00:00 2022 GMT
    Subject: C=GB, O=Certificate Transparency, ST=Wales, L=Erw Wen
    Subject Public Key Info:
        Public Key Algorithm: rsaEncryption
            Public-Key: (1024 bit)
            Modulus:
                00:be:ef:98:e7:c2:68:77:ae:38:5f:75:32:5a:0c:
                1d:32:9b:ed:f1:8f:aa:f4:d7:96:bf:04:7e:b7:e1:
                ce:15:c9:5b:a2:f8:0e:e4:58:bd:7d:b8:6f:8a:4b:
                25:21:91:a7:9b:d7:00:c3:8e:9c:03:89:b4:5c:d4:
                dc:9a:12:0a:b2:1e:0c:b4:1c:d0:e7:28:05:a4:10:
                cd:9c:5b:db:5d:49:27:72:6d:af:17:10:f6:01:87:
                37:7e:a2:5b:1a:1e:39:ee:d0:b8:81:19:dc:15:4d:
                c6:8f:7d:a8:e3:0c:af:15:8a:33:e6:c9:50:9f:4a:
                05:b0:14:09:ff:5d:d8:7e:b5
            Exponent: 65537 (0x10001)
    X509v3 extensions:
        X509v3 Subject Key Identifier:
            20:31:54:1A:F2:5C:05:FF:D8:65:8B:68:43:79:4F:5E:90:36:F7:B4
        X509v3 Authority Key Identifier:
            keyid:5F:9D:88:0D:C8:73:E6:54:D4:F8:0D:D8:E6:B0:C1:24:B4:47:C3:55
            DirName:/C=GB/O=Certificate Transparency CA/ST=Wales/L=Erw Wen
            serial:00

        X509v3 Basic Constraints:
            CA:FALSE
        CT Precertificate Poison: critical
            ..
Signature Algorithm: sha1WithRSAEncryption
     02:a1:c3:9e:01:5a:f5:4d:ff:02:3c:33:60:87:5f:ff:34:37:
     55:2f:1f:09:01:bd:c2:54:31:5f:33:72:b7:23:fb:15:fb:ce:
     cc:4d:f4:71:a0:ce:4d:8c:54:65:5d:84:87:97:fb:28:1e:3d:
     fa:bb:46:2d:2c:68:4b:05:6f:ea:7b:63:b4:70:ff:16:6e:32:
     d4:46:06:35:b3:d2:bc:6d:a8:24:9b:26:30:e7:1f:c3:4f:08:
     f2:3d:d4:ee:22:8f:8f:74:f6:3d:78:63:11:dd:0a:58:11:40:
     5f:90:6c:ca:2c:2d:3e:eb:fc:81:99:64:eb:d8:cf:7c:08:86:
     3f:be
const PrecertPEMValid = `
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----`

RealPrecertIntermediatePEM is the intermediate issuer for RealPrecertWithEKUPEM, below.

Certificate:

Data:
    Version: 3 (0x2)
    Serial Number:
        01:e3:b4:9d:77:cd:f4:0c:06:19:16:b6:e3
    Signature Algorithm: sha256WithRSAEncryption
    Issuer: OU = GlobalSign Root CA - R2, O = GlobalSign, CN = GlobalSign
    Validity
        Not Before: Jun 15 00:00:42 2017 GMT
        Not After : Dec 15 00:00:42 2021 GMT
    Subject: C = US, O = Google Trust Services, CN = GTS CA 1D2
    Subject Public Key Info:
        Public Key Algorithm: rsaEncryption
            RSA Public-Key: (2048 bit)
            Modulus:
                00:b2:d9:7b:e1:e1:d7:3f:1c:91:72:ff:f9:10:cd:
                87:15:79:74:b7:3e:47:8b:b2:61:55:fd:0c:36:c6:
                7e:77:42:3a:b2:fa:52:5b:0b:71:81:d6:4d:d5:e9:
                2b:24:4d:23:5e:8b:2b:72:5f:21:55:b5:29:ef:44:
                cb:eb:82:52:ab:3e:27:a4:92:49:41:4a:de:a8:dd:
                31:e0:3c:df:6d:7a:4d:2d:d6:6d:09:b0:0e:e3:61:
                f2:b2:fe:90:6c:5a:7b:10:64:49:b4:0b:3c:08:f2:
                ea:79:0c:6c:a6:1a:89:6a:56:32:a0:29:a2:30:82:
                8f:81:51:0c:f3:a2:b9:d9:75:b9:22:9e:27:14:ba:
                4a:2f:2c:63:58:87:f1:5d:10:e6:5f:91:bb:b9:5b:
                cc:47:e2:1e:75:b6:8c:8f:cc:75:5d:57:05:e7:82:
                c6:84:0e:74:72:2a:cb:3b:55:f5:6e:70:eb:66:69:
                c3:24:bb:38:93:35:9b:68:61:2f:9b:d6:ae:a6:77:
                72:7c:71:48:58:33:10:af:e9:80:82:1d:b5:07:40:
                1b:f6:3d:ec:a2:ad:47:9d:b4:94:29:34:b3:8c:2f:
                cd:25:03:58:35:c0:25:a4:55:5f:e1:b3:07:56:3d:
                c8:d0:63:b8:20:fb:8c:1d:43:2c:f8:f9:a9:d5:ec:
                6f:97
            Exponent: 65537 (0x10001)
    X509v3 extensions:
        X509v3 Key Usage: critical
            Digital Signature, Certificate Sign, CRL Sign
        X509v3 Extended Key Usage:
            TLS Web Server Authentication, TLS Web Client Authentication
        X509v3 Basic Constraints: critical
            CA:TRUE, pathlen:0
        X509v3 Subject Key Identifier:
            B1:DD:32:5D:E8:B7:37:72:D2:CE:5C:CE:26:FE:47:79:E2:01:08:E9
        X509v3 Authority Key Identifier:
            keyid:9B:E2:07:57:67:1C:1E:C0:6A:06:DE:59:B4:9A:2D:DF:DC:19:86:2E

        Authority Information Access:
            OCSP - URI:http://ocsp.pki.goog/gsr2

        X509v3 CRL Distribution Points:

            Full Name:
              URI:http://crl.pki.goog/gsr2/gsr2.crl

        X509v3 Certificate Policies:
            Policy: 2.23.140.1.2.1
              CPS: https://pki.goog/repository/

Signature Algorithm: sha256WithRSAEncryption
     71:4a:c4:c3:23:ae:f7:e3:b2:02:79:8c:13:e8:53:8e:80:c5:
     f0:e3:ef:71:60:a9:a9:7b:34:65:85:34:bd:47:3b:03:57:16:
     00:99:48:3a:e0:e0:f0:ea:cd:b6:48:3c:d5:ab:72:f0:d0:1b:
     cb:64:2d:3b:0d:74:68:d7:74:88:31:7c:6a:ba:0e:f0:8c:4d:
     78:ce:da:10:f4:8a:96:45:97:a9:97:ad:c5:35:1a:18:64:e8:
     93:b6:0d:9d:1f:b9:5e:1d:80:ea:e7:5b:9c:8e:ae:0e:a6:84:
     d2:d1:17:ce:b3:fb:f6:81:4f:3c:e6:68:9f:cf:f1:a6:76:c5:
     7d:a7:f3:dd:7d:58:0f:e0:f6:61:01:1c:51:8e:76:33:2b:48:
     9d:5c:81:51:72:08:17:ba:fd:01:d3:ee:46:f9:f4:b2:68:40:
     99:31:01:6c:4f:1b:c6:56:eb:81:73:d2:79:52:05:92:26:5b:
     71:cd:9d:c4:d2:ce:23:77:0f:41:7a:69:5e:21:25:c6:f8:b7:
     ff:7a:f7:47:de:c2:00:7b:9c:5a:45:9c:2a:4e:46:90:d9:75:
     2c:d8:ff:8c:ee:cc:dc:69:eb:6c:e6:15:d0:a3:ff:48:0b:ac:
     55:df:df:25:9d:42:b6:51:a3:66:95:60:c5:d0:22:e7:22:7a:
     51:a5:cc:87
const RealPrecertIntermediatePEM = `
-----BEGIN CERTIFICATE-----
MIIESjCCAzKgAwIBAgINAeO0nXfN9AwGGRa24zANBgkqhkiG9w0BAQsFADBMMSAw
HgYDVQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMjETMBEGA1UEChMKR2xvYmFs
U2lnbjETMBEGA1UEAxMKR2xvYmFsU2lnbjAeFw0xNzA2MTUwMDAwNDJaFw0yMTEy
MTUwMDAwNDJaMEIxCzAJBgNVBAYTAlVTMR4wHAYDVQQKExVHb29nbGUgVHJ1c3Qg
U2VydmljZXMxEzARBgNVBAMTCkdUUyBDQSAxRDIwggEiMA0GCSqGSIb3DQEBAQUA
A4IBDwAwggEKAoIBAQCy2Xvh4dc/HJFy//kQzYcVeXS3PkeLsmFV/Qw2xn53Qjqy
+lJbC3GB1k3V6SskTSNeiytyXyFVtSnvRMvrglKrPiekkklBSt6o3THgPN9tek0t
1m0JsA7jYfKy/pBsWnsQZEm0CzwI8up5DGymGolqVjKgKaIwgo+BUQzzornZdbki
nicUukovLGNYh/FdEOZfkbu5W8xH4h51toyPzHVdVwXngsaEDnRyKss7VfVucOtm
acMkuziTNZtoYS+b1q6md3J8cUhYMxCv6YCCHbUHQBv2PeyirUedtJQpNLOML80l
A1g1wCWkVV/hswdWPcjQY7gg+4wdQyz4+anV7G+XAgMBAAGjggEzMIIBLzAOBgNV
HQ8BAf8EBAMCAYYwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMBIGA1Ud
EwEB/wQIMAYBAf8CAQAwHQYDVR0OBBYEFLHdMl3otzdy0s5czib+R3niAQjpMB8G
A1UdIwQYMBaAFJviB1dnHB7AagbeWbSaLd/cGYYuMDUGCCsGAQUFBwEBBCkwJzAl
BggrBgEFBQcwAYYZaHR0cDovL29jc3AucGtpLmdvb2cvZ3NyMjAyBgNVHR8EKzAp
MCegJaAjhiFodHRwOi8vY3JsLnBraS5nb29nL2dzcjIvZ3NyMi5jcmwwPwYDVR0g
BDgwNjA0BgZngQwBAgEwKjAoBggrBgEFBQcCARYcaHR0cHM6Ly9wa2kuZ29vZy9y
ZXBvc2l0b3J5LzANBgkqhkiG9w0BAQsFAAOCAQEAcUrEwyOu9+OyAnmME+hTjoDF
8OPvcWCpqXs0ZYU0vUc7A1cWAJlIOuDg8OrNtkg81aty8NAby2QtOw10aNd0iDF8
aroO8IxNeM7aEPSKlkWXqZetxTUaGGTok7YNnR+5Xh2A6udbnI6uDqaE0tEXzrP7
9oFPPOZon8/xpnbFfafz3X1YD+D2YQEcUY52MytInVyBUXIIF7r9AdPuRvn0smhA
mTEBbE8bxlbrgXPSeVIFkiZbcc2dxNLOI3cPQXppXiElxvi3/3r3R97CAHucWkWc
Kk5GkNl1LNj/jO7M3GnrbOYV0KP/SAusVd/fJZ1CtlGjZpVgxdAi5yJ6UaXMhw==
-----END CERTIFICATE-----
`

RealPrecertWithEKUPEM is an actual precertificate containing a valid EKU.

Certificate:

Data:
    Version: 3 (0x2)
    Serial Number:
        9c:a4:07:e2:25:f9:7c:c2:0a:00:00:00:00:20:6e:e5
    Signature Algorithm: sha256WithRSAEncryption
    Issuer: C = US, O = Google Trust Services, CN = GTS CA 1D2
    Validity
        Not Before: Mar 23 12:23:44 2020 GMT
        Not After : Jun 21 12:23:44 2020 GMT
    Subject: CN = certificate.transparency.dev
    Subject Public Key Info:
        Public Key Algorithm: rsaEncryption
            RSA Public-Key: (2048 bit)
            Modulus:
                00:a8:7e:59:c0:e5:3b:da:3c:bf:04:51:91:eb:9f:
                6c:1b:cf:9f:90:dc:22:89:1c:b5:98:24:69:2e:26:
                2d:61:92:04:0f:2e:f1:da:ec:ea:3a:d9:cc:3a:82:
                e2:b8:3a:7d:6c:79:79:f7:36:c5:52:a4:bb:46:1d:
                2f:0b:6c:5f:00:31:af:24:e9:4a:1b:32:63:1a:b5:
                c3:28:9c:a7:0a:b5:73:e2:c1:a7:b5:1e:11:ae:cd:
                19:79:0c:62:06:cf:80:f0:ed:e2:72:82:bb:b4:84:
                0e:9d:c9:7d:3b:fb:4e:05:49:3a:14:0f:86:92:01:
                49:52:2c:cc:a0:e1:ef:86:fe:18:00:83:69:6c:90:
                c6:7b:a9:42:df:57:9c:7b:61:06:80:23:b2:5f:95:
                95:1e:9b:34:6f:ab:a3:21:1b:2b:8e:9f:34:4f:ec:
                e8:9a:48:74:81:2f:9b:12:67:54:a1:46:76:96:9a:
                1e:9d:c3:ee:bf:6a:e8:49:72:57:28:b1:12:c4:ca:
                41:84:96:f7:32:4a:4a:9e:59:2d:48:3e:ac:29:0c:
                f4:f4:03:28:33:1a:73:10:48:29:68:12:e3:f9:7e:
                f4:5f:01:54:b0:73:c6:a8:72:b6:84:54:05:23:36:
                b6:db:3f:d8:e5:27:89:4c:dc:bb:b1:c9:9e:e7:7e:
                b0:b5
            Exponent: 65537 (0x10001)
    X509v3 extensions:
        X509v3 Key Usage: critical
            Digital Signature, Key Encipherment
        X509v3 Extended Key Usage:
            TLS Web Server Authentication
        X509v3 Basic Constraints: critical
            CA:FALSE
        X509v3 Subject Key Identifier:
            B8:E0:AF:4F:7C:48:F3:FF:EB:FC:5E:A5:34:36:2D:56:54:AC:97:6B
        X509v3 Authority Key Identifier:
            keyid:B1:DD:32:5D:E8:B7:37:72:D2:CE:5C:CE:26:FE:47:79:E2:01:08:E9

        Authority Information Access:
            OCSP - URI:http://ocsp.pki.goog/gts1d2
            CA Issuers - URI:http://pki.goog/gsr2/GTS1D2.crt

        X509v3 Subject Alternative Name:
            DNS:certificate.transparency.dev
        X509v3 Certificate Policies:
            Policy: 2.23.140.1.2.1
            Policy: 1.3.6.1.4.1.11129.2.5.3

        X509v3 CRL Distribution Points:

            Full Name:
              URI:http://crl.pki.goog/GTS1D2.crl

        CT Precertificate Poison: critical
            NULL
Signature Algorithm: sha256WithRSAEncryption
     51:fe:93:53:7a:e1:6d:34:ce:a2:1d:4d:32:c5:39:a5:e8:1e:
     ee:97:56:33:84:5a:5e:5c:be:13:64:92:66:df:a7:79:82:c8:
     35:c6:4d:8f:ff:da:a1:cc:4d:70:b0:a7:1c:73:69:d5:08:ea:
     53:f4:8e:73:27:5a:9d:5a:c7:39:0a:19:dd:51:21:94:3c:31:
     b5:cd:06:2d:50:bf:90:09:3e:62:ca:a3:bf:f2:74:9d:2b:33:
     38:e9:9f:f1:b7:2f:e2:3c:e4:8a:d4:63:57:c7:bd:27:fd:94:
     15:c5:03:82:95:35:79:d6:84:0f:90:01:47:53:af:ed:12:d6:
     9c:63:04:1b:06:83:87:83:a1:34:f0:05:d8:8b:c6:b9:39:ce:
     9c:32:ac:bf:04:d5:8d:b8:2f:ee:61:55:b9:f3:b9:b8:93:c7:
     6d:9c:39:68:b4:39:d8:67:5d:cb:5b:bd:d5:a1:b8:d9:18:16:
     7c:f3:ff:7a:77:d9:cc:68:f3:c8:ee:b4:52:06:37:6c:8e:23:
     69:1c:49:81:1c:08:26:80:a1:05:8b:ed:f5:dc:33:c6:84:7a:
     e3:ef:2f:c3:22:02:a0:33:8d:48:61:8a:98:27:34:e8:75:5d:
     eb:56:93:a3:be:2e:c5:04:ab:d6:88:cc:53:c6:9c:db:9f:aa:
     5d:eb:c6:82
const RealPrecertWithEKUPEM = `
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
`

TestCertPEM is a certificate issued by CACertPEM, no CT extensions.

Data:
    Version: 3 (0x2)
    Serial Number: 6 (0x6)
Signature Algorithm: sha1WithRSAEncryption
    Issuer: C=GB, O=Certificate Transparency CA, ST=Wales, L=Erw Wen
    Validity
        Not Before: Jun  1 00:00:00 2012 GMT
        Not After : Jun  1 00:00:00 2022 GMT
    Subject: C=GB, O=Certificate Transparency, ST=Wales, L=Erw Wen
    Subject Public Key Info:
        Public Key Algorithm: rsaEncryption
            Public-Key: (1024 bit)
            Modulus:
                00:b1:fa:37:93:61:11:f8:79:2d:a2:08:1c:3f:e4:
                19:25:00:85:31:dc:7f:2c:65:7b:d9:e1:de:47:04:
                16:0b:4c:9f:19:d5:4a:da:44:70:40:4c:1c:51:34:
                1b:8f:1f:75:38:dd:dd:28:d9:ac:a4:83:69:fc:56:
                46:dd:cc:76:17:f8:16:8a:ae:5b:41:d4:33:31:fc:
                a2:da:df:c8:04:d5:72:08:94:90:61:f9:ee:f9:02:
                ca:47:ce:88:c6:44:e0:00:f0:6e:ee:cc:ab:dc:9d:
                d2:f6:8a:22:cc:b0:9d:c7:6e:0d:bc:73:52:77:65:
                b1:a3:7a:8c:67:62:53:dc:c1
            Exponent: 65537 (0x10001)
    X509v3 extensions:
        X509v3 Subject Key Identifier:
            6A:0D:98:2A:3B:62:C4:4B:6D:2E:F4:E9:BB:7A:01:AA:9C:B7:98:E2
        X509v3 Authority Key Identifier:
            keyid:5F:9D:88:0D:C8:73:E6:54:D4:F8:0D:D8:E6:B0:C1:24:B4:47:C3:55
            DirName:/C=GB/O=Certificate Transparency CA/ST=Wales/L=Erw Wen
            serial:00

        X509v3 Basic Constraints:
            CA:FALSE
Signature Algorithm: sha1WithRSAEncryption
     17:1c:d8:4a:ac:41:4a:9a:03:0f:22:aa:c8:f6:88:b0:81:b2:
     70:9b:84:8b:4e:55:11:40:6c:d7:07:fe:d0:28:59:7a:9f:ae:
     fc:2e:ee:29:78:d6:33:aa:ac:14:ed:32:35:19:7d:a8:7e:0f:
     71:b8:87:5f:1a:c9:e7:8b:28:17:49:dd:ed:d0:07:e3:ec:f5:
     06:45:f8:cb:f6:67:25:6c:d6:a1:64:7b:5e:13:20:3b:b8:58:
     2d:e7:d6:69:6f:65:6d:1c:60:b9:5f:45:6b:7f:cf:33:85:71:
     90:8f:1c:69:72:7d:24:c4:fc:cd:24:92:95:79:58:14:d1:da:
     c0:e6
const TestCertPEM = `
-----BEGIN CERTIFICATE-----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==
-----END CERTIFICATE-----`