cssme.leeds.ac.uk
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:62:c1:f5:01:fc:fe:40:90:80:57:df:f0:b5:21:e9:20:77 was issued on by Let's Encrypt.
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Certificate Subject
CN=cssme.leeds.ac.uk
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:62:c1:f5:01:fc:fe:40:90:80:57:df:f0:b5:21:e9:20:77Serial Number (int): 294942342909776132958903484070315227160695
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 55:9a:29:90:87:ef:5c:49:b0:13:12:07:fc:7f:c5:61:9c:f4:34:18
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): c6:8d:ab:13:0f:02:44:b5:33:d1:86:8f:3d:87:dc:60:3c:35:c7:0e
Fingerprint (sha256): 01:7b:2d:03:97:18:34:a3:c4:9f:8e:c5:ca:62:80:de:4c:ef:7a:89:a8:06:3e:a6:87:fd:b7:69:dd:9c:6b:72
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate cssme.leeds.ac.uk
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for cssme.leeds.ac.uk
Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
cssme.leeds.ac.uk
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Certificate
The complete raw certificate details for cssme.leeds.ac.uk in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFWjCCBEKgAwIBAgISA2LB9QH8/kCQgFff8LUh6SB3MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMjkxMjMwMzlaFw0y MDAxMjcxMjMwMzlaMBwxGjAYBgNVBAMTEWNzc21lLmxlZWRzLmFjLnVrMIIBIjAN BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAslENHVr2El30pfTblfI1sgpx8Hu8 6TLZfZKZ8sRkM41gs6LXy7KGwNTs7P0DTFggGH4p5gnV3DglLD0XLpf1wzJGtSRr 1Vnrd9bQrg7GtNxgQofyOmw4DcOAinZNcE8xZXy/hZ1DEn/w43VDGaKQPxy5AUg6 6K60y+/GoswFrnuu59EDVEB3PSQ6p8CvDySKSyCc6leE71NJzleWLM52IIjiedLO tT/TKBa6C8vxdFVC1+/nPeBeSCyPRUWwI2ZsNYt5xwVTqRWrHxsVT/X2gdE/4M2m GzJDox61YkIZJXuBXS7FCuL0GgGlib6lPJ0EILiVvgvZzs6QraxYcXnW9wIDAQAB o4ICZjCCAmIwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggr BgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRVmimQh+9cSbATEgf8f8Vh nPQ0GDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcB AQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlw dC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlw dC5vcmcvMBwGA1UdEQQVMBOCEWNzc21lLmxlZWRzLmFjLnVrMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHYAXqdz +d9WwOe1Nkh90EngMnqRmgyEoRIShBh1loFxRVgAAAFuF7YVXwAABAMARzBFAiEA kkyq4rH5ZUuBMZcOYIzfqRRK+UakmlIEqaazF190MKwCIBNGdjIbMY9LrNB44hhy H+T3RAetww+ex5l2O+awKyrGAHYAB7dcG+V9aP/xsMYdIxXHuuZXfFeUt2ruvGE6 GmnTohwAAAFuF7YVhAAABAMARzBFAiEAlAhE2+Xk/pNB6wTRhkQUpsBjT3lx3v+c 7R3Pp1pu7aICIGBUGsb/j7pH4el+FpDPvDXYQbvpyxFET3Z2yiMJuYsiMA0GCSqG SIb3DQEBCwUAA4IBAQB2ymCIAEJ4ZwYT6xfxPDhyKEoDQ2lWWlyKELz7faR74plk 5zrCoIZUERp6+6AdGCXu9U85n3u01ayqSHXvng8rC9Oib8gKEXKG/XTezzCCt8Uk LkTE5tUm7x8FKodbUI8RXVQ19Wp/MTyRSYy/TlKPVJl3sn3dzczmbWdzxA4ZA3TN 5ltNb5ZM025duiFpGzp7Lrjc/4wmmtnDuodxtqtI/xEV8enDAyEZr4P9ASv8Q1Ml SLh8sPqzou/FNzptjKgU8VOAw47ZoRkJ+cys1Xjz9/pasj3ij4hu3sX7HnlJjIUw u1C9DbD9xbAaBIP7n5nJWhNgVNNf9KO2rzvEZ4Xa -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAslENHVr2El30pfTblfI1 sgpx8Hu86TLZfZKZ8sRkM41gs6LXy7KGwNTs7P0DTFggGH4p5gnV3DglLD0XLpf1 wzJGtSRr1Vnrd9bQrg7GtNxgQofyOmw4DcOAinZNcE8xZXy/hZ1DEn/w43VDGaKQ Pxy5AUg66K60y+/GoswFrnuu59EDVEB3PSQ6p8CvDySKSyCc6leE71NJzleWLM52 IIjiedLOtT/TKBa6C8vxdFVC1+/nPeBeSCyPRUWwI2ZsNYt5xwVTqRWrHxsVT/X2 gdE/4M2mGzJDox61YkIZJXuBXS7FCuL0GgGlib6lPJ0EILiVvgvZzs6QraxYcXnW 9wIDAQAB -----END PUBLIC KEY-----
ASN.1 decoded
[c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2 . . . . . . . . [c:0|t:2|false] INTEGER 294942342909776132958903484070315227160695 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-29 12:30:39 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-27 12:30:39 +0000 UTC . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'cssme.leeds.ac.uk' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 22510386134687609636324604230059857163436177745375024501607429269167435444527200791667299393248147419597155684832765227953446032171239375550122337287106924202305084217014041935508802360620027335411416323088333977492632272125128755244364412888553518810244402370626618513498305126469105617262650680460536540466688922308515019457361301596725299135795388202811779648498904680685602339672029508575276994675448387581910900662719977346026206535565800813915315339695913856453975767953349684934004876784300700425329171836847451757796985238695242568815370122944114100700277674552783558897293257857768023402806876543744053204727 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537 . . . . . . . . [c:2|t:3|true] ORAddress . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits) 05a0 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) 559a299087ef5c49b0131207fc7fc5619cf43418 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (21 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cssme.leeds.ac.uk' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016e17b6155f0000040300473045022100924caae2b1f9654b8131970e608cdfa9144af946a49a5204a9a6b3175f7430ac0220134676321b318f4bacd078e218721fe4f74407adc30f9ec799763be6b02b2ac600760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e17b615840000040300473045022100940844dbe5e4fe9341eb04d1864414a6c0634f7971deff9ced1dcfa75a6eeda2022060541ac6ff8fba47e1e97e1690cfbc35d841bbe9cb11444f7676ca2309b98b22 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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