crcam2.cer: CN=Cisco Root CA M2,O=Cisco (Root Certificate, Expiring 2037-11-12) detail info and audit record

 

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CA Certificate Information and Audit Record

This certificate is root certificate used for the issuance of other certificates.

Download certificate through curl:

curl -sSL "https://www.cisco.com/security/pki/certs/crcam2.cer" --output cert.crt

Download certificate through wget:

wget -q "https://www.cisco.com/security/pki/certs/crcam2.cer" --output-document=cert.crt

CA Certificate Detail Information

Use openssl x509 to decode DER certificate to get detail information:

openssl x509 -in cert.crt -inform der -text -noout

Use openssl x509 to decode PEM certificate to get detail information:

openssl x509 -in cert.crt -inform pem -text -noout

Decoded detail certificate information:

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number: 1 (0x1)
    Signature Algorithm: sha256WithRSAEncryption
        Issuer: O=Cisco, CN=Cisco Root CA M2
        Validity
            Not Before: Nov 12 13:00:18 2012 GMT
            Not After : Nov 12 13:00:18 2037 GMT
        Subject: O=Cisco, CN=Cisco Root CA M2
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                RSA Public-Key: (2048 bit)
                Modulus:
                    00:d8:06:25:21:13:4f:8d:3a:75:7c:e9:3d:c8:74:
                    41:3b:4d:a0:65:f9:c2:bf:94:84:ef:6b:0b:71:87:
                    d4:58:c2:60:32:2c:ba:cc:ba:bb:63:34:db:b3:12:
                    42:6a:79:85:86:b3:e8:7f:c9:92:8b:e3:a7:37:45:
                    d3:94:83:68:65:20:db:8a:d4:43:41:df:ca:4c:d4:
                    d7:10:cd:68:27:95:72:4e:74:4a:54:f5:da:71:e9:
                    a5:af:4d:0c:b1:6c:31:fb:0c:de:73:82:9a:50:09:
                    5e:0e:e3:35:be:ba:4e:c2:ca:e0:6e:c8:84:2d:8a:
                    b3:ee:92:ec:04:82:e4:c7:6e:4d:18:b5:e9:64:cb:
                    64:86:d2:f0:b8:e1:59:16:3a:a6:26:48:05:ee:63:
                    29:1e:15:83:ef:1e:79:c1:82:00:29:d4:56:8f:0a:
                    6d:c2:c8:58:39:2d:63:b8:71:80:3a:e1:dc:eb:b3:
                    13:52:22:05:51:47:00:88:87:6d:ed:d1:3c:d7:b8:
                    da:85:79:24:c6:2a:5d:1d:f2:83:4d:81:1f:a7:cd:
                    d4:19:8e:ab:69:40:e6:fb:07:0a:f2:8e:65:3e:6d:
                    e5:3d:c1:32:ee:06:26:2d:ec:bb:1e:b1:45:62:51:
                    2b:f0:59:17:31:72:1a:cc:00:74:c3:0c:bb:84:ca:
                    73:ad
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Key Usage: critical
                Certificate Sign, CRL Sign
            X509v3 Basic Constraints: critical
                CA:TRUE
            X509v3 Subject Key Identifier: 
                C9:00:F9:1F:8A:1F:C2:66:BD:A5:D2:6D:65:0E:22:2E:34:C3:05:A0
    Signature Algorithm: sha256WithRSAEncryption
         7a:be:3c:8d:27:e8:cd:e4:92:1c:a6:8b:30:6e:c1:d9:d6:89:
         1a:c3:c0:99:75:f7:4e:b5:82:c8:95:22:59:b7:a0:a8:50:8e:
         59:19:0b:6f:16:d9:0f:f2:19:27:4d:50:4d:de:f4:6d:0c:e6:
         74:5c:74:f1:44:7f:82:92:bc:5c:5e:e3:b3:7e:25:a3:8b:b9:
         10:3c:6b:5d:5d:3e:69:3b:dc:a8:5b:ed:a7:c2:ba:e8:c2:f7:
         68:cb:28:8b:70:72:91:cf:2c:3f:ba:75:59:73:33:52:19:82:
         94:ed:70:9e:d2:67:14:76:31:1b:26:a6:a9:f9:7e:7b:19:b6:
         e2:a7:52:a2:d4:53:ea:6f:86:78:33:07:c1:de:7d:df:15:d0:
         3d:6c:a2:25:bc:c7:32:f0:49:7b:6d:f2:30:66:9b:d9:14:5d:
         b6:0f:a5:6c:5b:92:6b:86:b4:13:04:87:63:f5:7d:69:ae:22:
         62:6c:76:72:92:9a:f3:05:5e:66:33:e5:97:20:e0:0d:79:34:
         6f:31:1d:58:5e:cd:e0:25:c1:c3:a5:dd:10:dc:ce:7e:95:f6:
         db:44:a7:5d:c6:71:92:cf:a1:81:fa:f0:8d:e9:a6:d9:92:c3:
         e4:f0:ad:db:6c:af:ee:ad:da:8b:09:4a:fb:da:2a:9e:98:16:
         50:07:7f:87

CA Certificate in PEM Format

Use openssl x509 to convert certificate from DER format to PEM format:

openssl x509 -in cert.crt -inform der

Converted PEM format certificate:

-----BEGIN CERTIFICATE-----
MIIDEzCCAfugAwIBAgIBATANBgkqhkiG9w0BAQsFADArMQ4wDAYDVQQKEwVDaXNj
bzEZMBcGA1UEAxMQQ2lzY28gUm9vdCBDQSBNMjAeFw0xMjExMTIxMzAwMThaFw0z
NzExMTIxMzAwMThaMCsxDjAMBgNVBAoTBUNpc2NvMRkwFwYDVQQDExBDaXNjbyBS
b290IENBIE0yMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2AYlIRNP
jTp1fOk9yHRBO02gZfnCv5SE72sLcYfUWMJgMiy6zLq7YzTbsxJCanmFhrPof8mS
i+OnN0XTlINoZSDbitRDQd/KTNTXEM1oJ5VyTnRKVPXacemlr00MsWwx+wzec4Ka
UAleDuM1vrpOwsrgbsiELYqz7pLsBILkx25NGLXpZMtkhtLwuOFZFjqmJkgF7mMp
HhWD7x55wYIAKdRWjwptwshYOS1juHGAOuHc67MTUiIFUUcAiIdt7dE817jahXkk
xipdHfKDTYEfp83UGY6raUDm+wcK8o5lPm3lPcEy7gYmLey7HrFFYlEr8FkXMXIa
zAB0wwy7hMpzrQIDAQABo0IwQDAOBgNVHQ8BAf8EBAMCAQYwDwYDVR0TAQH/BAUw
AwEB/zAdBgNVHQ4EFgQUyQD5H4ofwma9pdJtZQ4iLjTDBaAwDQYJKoZIhvcNAQEL
BQADggEBAHq+PI0n6M3kkhymizBuwdnWiRrDwJl19061gsiVIlm3oKhQjlkZC28W
2Q/yGSdNUE3e9G0M5nRcdPFEf4KSvFxe47N+JaOLuRA8a11dPmk73Khb7afCuujC
92jLKItwcpHPLD+6dVlzM1IZgpTtcJ7SZxR2MRsmpqn5fnsZtuKnUqLUU+pvhngz
B8Hefd8V0D1soiW8xzLwSXtt8jBmm9kUXbYPpWxbkmuGtBMEh2P1fWmuImJsdnKS
mvMFXmYz5Zcg4A15NG8xHVhezeAlwcOl3RDczn6V9ttEp13GcZLPoYH68I3pptmS
w+Twrdtsr+6t2osJSvvaKp6YFlAHf4c=
-----END CERTIFICATE-----

Decode PEM Certificate online

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Also see Top 1 Millions Domains CA Certificate List

Page version: e13a7e3f2 2023-05-06