uolds.leeds.ac.uk
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:b5:bf:d7:5e:8b:ba:f0:10:c3:bb:cc:4c:46:6c:71:d9:c7 was issued on by Let's Encrypt.
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Certificate Subject
CN=uolds.leeds.ac.uk
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:b5:bf:d7:5e:8b:ba:f0:10:c3:bb:cc:4c:46:6c:71:d9:c7Serial Number (int): 410295252948367424158962914725967369984455
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 53:7e:be:57:26:95:bc:56:b1:64:6b:76:54:d2:30:06:c3:07:6b:1a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 6a:72:db:73:c5:14:13:e8:a8:dd:c4:6c:01:4d:4a:56:22:33:80:61
Fingerprint (sha256): 01:74:ad:78:fe:96:8a:bf:77:c6:6b:7d:df:71:b8:fa:1d:40:4f:36:42:ce:16:0e:5c:b0:55:61:62:e8:fb:9c
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate uolds.leeds.ac.uk
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for uolds.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
uolds.leeds.ac.uk
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Certificate
The complete raw certificate details for uolds.leeds.ac.uk in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGDTCCBPWgAwIBAgISBLW/116LuvAQw7vMTEZscdnHMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODA1MTkxNDM2MDBaFw0x ODA4MTcxNDM2MDBaMBwxGjAYBgNVBAMTEXVvbGRzLmxlZWRzLmFjLnVrMIIBIjAN BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoDrO2RSXYSTHfFkLRkx5WHTyX0I3 lOMhwtgwciIeaT/o/gvOALzqfux96wVt7bn0bxdobWmr/vXaesB+NfL3RzyqWhHF KvSjax8zxFi8TNr6ifpsymh+/MAO8cL0rX2yuUwXdf1AHgmXMBwPYMSaLcItB9va Buff+sLGM3FU+UFUldtNhGhsfApOk2X+h2sEokaaofSavEncV9GZ5qDv3LlEr3ig kJV7qQBELj/I9Iwd0efew42aUi3KLMVJZHp3dKUSMxQ5SnjV3m52tuSX6wylheq5 NdYrZkmfe4bEAa0HBircJzsoG5xGPKFju1Jjl8ybGbfPy2dQwAgfDC73DwIDAQAB o4IDGTCCAxUwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggr BgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRTfr5XJpW8VrFka3ZU0jAG wwdrGjAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcB AQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlw dC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlw dC5vcmcvMBwGA1UdEQQVMBOCEXVvbGRzLmxlZWRzLmFjLnVrMIH+BgNVHSAEgfYw gfMwCAYGZ4EMAQIBMIHmBgsrBgEEAYLfEwEBATCB1jAmBggrBgEFBQcCARYaaHR0 cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwgasGCCsGAQUFBwICMIGeDIGbVGhpcyBD ZXJ0aWZpY2F0ZSBtYXkgb25seSBiZSByZWxpZWQgdXBvbiBieSBSZWx5aW5nIFBh cnRpZXMgYW5kIG9ubHkgaW4gYWNjb3JkYW5jZSB3aXRoIHRoZSBDZXJ0aWZpY2F0 ZSBQb2xpY3kgZm91bmQgYXQgaHR0cHM6Ly9sZXRzZW5jcnlwdC5vcmcvcmVwb3Np dG9yeS8wggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdQBVgdTCFpA2AUrqC5tXPFPw wOQ4eHAlCBcvo6odBxPTDAAAAWN5CxedAAAEAwBGMEQCIFfLWucj0OxYRciZhLRG nh0ogVzMkfs0bJeENLNOvPZuAiBSIpcLZVCQjuwEPbFXqDudjphhT1TyTHYHnWDO xB16pgB3ACk8UZZUyDlluqpQ/FgH1Ldvv1h6KXLcpMMM9OVFR/R4AAABY3kLF4cA AAQDAEgwRgIhAIC51JQSz4x/Dlr35IFd9VoTbuueIGwBYIiAeeMhjTkoAiEArg9l DC1YcCigQnpudN2fVuhDVmAdlcs6FztlnQml8EkwDQYJKoZIhvcNAQELBQADggEB AEnzcXHuv6iEG075XteO/SwIfPYFxgSETjDsME8tOdPg2weaeSy65Y6ZG9aaVxVq pxKGmUSOJEcryB9ayBR98bSRtUbSsTYKLnCx9kXQguy8t6OKZbBEXJ0GD3zyaYdG ZxOxHdbkKiyUusuDoFpSl92mHhJ4nlyg2QozDjCL1tvGkpdfYf90+xkbb2d11zhK 9Fmacy9hSPxEEWiR/8RV+LZo2P+yYteUJtjWT2q5eYezLgLeTQqCjAewZp0LJQbL Dmvd+HxaOBreVRooeHbNe3wUZNp9QK2aPVm8mQ/HuHiSAi0Sq7qGuGhcO15HZ+vx YhKPZtha0aik1QltPfdPUaw= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoDrO2RSXYSTHfFkLRkx5 WHTyX0I3lOMhwtgwciIeaT/o/gvOALzqfux96wVt7bn0bxdobWmr/vXaesB+NfL3 RzyqWhHFKvSjax8zxFi8TNr6ifpsymh+/MAO8cL0rX2yuUwXdf1AHgmXMBwPYMSa LcItB9vaBuff+sLGM3FU+UFUldtNhGhsfApOk2X+h2sEokaaofSavEncV9GZ5qDv 3LlEr3igkJV7qQBELj/I9Iwd0efew42aUi3KLMVJZHp3dKUSMxQ5SnjV3m52tuSX 6wylheq5NdYrZkmfe4bEAa0HBircJzsoG5xGPKFju1Jjl8ybGbfPy2dQwAgfDC73 DwIDAQAB -----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 410295252948367424158962914725967369984455 . . . . . . . . [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 2018-05-19 14:36:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-08-17 14:36:00 +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 'uolds.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 20227128100131378338823224816515635186043454202299575384151657566554554884611642208752877246724232573759959473726764306847261248933592463886338947901394463372479727774955893155831336637740658386250305164593752039089964538739271246458402531579375882754352722286546550685282226711187728266936411615472285285010003504141219000426303495413044627063465182470118469456061832942794973124257000699526464045510755209763088016705975310360860756704614996492146819037429520426655407578470375756157228605093340131178827326678914439808961292768957667094078944948546579430641968218146531465200293865203729769679166516218179470948111 . . . . . . . . . . . . . . . . . . . . [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) 537ebe572695bc56b1646b7654d23006c3076b1a . . . . . . . . . . . . . . . . [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 'uolds.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . . . . . . . . . . . . . [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) 00f00075005581d4c2169036014aea0b9b573c53f0c0e43878702508172fa3aa1d0713d30c00000163790b179d0000040300463044022057cb5ae723d0ec5845c89984b4469e1d28815ccc91fb346c978434b34ebcf66e02205222970b6550908eec043db157a83b9d8e98614f54f24c76079d60cec41d7aa6007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000163790b1787000004030048304602210080b9d49412cf8c7f0e5af7e4815df55a136eeb9e206c0160888079e3218d3928022100ae0f650c2d587028a0427a6e74dd9f56e84356601d95cb3a173b659d09a5f049 . . . . [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) 0049f37171eebfa8841b4ef95ed78efd2c087cf605c604844e30ec304f2d39d3e0db079a792cbae58e991bd69a57156aa7128699448e24472bc81f5ac8147df1b491b546d2b1360a2e70b1f645d082ecbcb7a38a65b0445c9d060f7cf26987466713b11dd6e42a2c94bacb83a05a5297dda61e12789e5ca0d90a330e308bd6dbc692975f61ff74fb191b6f6775d7384af4599a732f6148fc44116891ffc455f8b668d8ffb262d79426d8d64f6ab97987b32e02de4d0a828c07b0669d0b2506cb0e6bddf87c5a381ade551a287876cd7b7c1464da7d40ad9a3d59bc990fc7b87892022d12abba86b8685c3b5e4767ebf162128f66d85ad1a8a4d5096d3df74f51ac