www.math.univ-paris13.fr
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:cb:75:0b:e0:73:44:c1:06:99:82:68:09:fa:fe:ef:1e:3d was issued on by Let's Encrypt.
With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=www.math.univ-paris13.fr
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:cb:75:0b:e0:73:44:c1:06:99:82:68:09:fa:fe:ef:1e:3dSerial Number (int): 330569759623395795304801961465396765597245
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: a5:f4:52:d5:d2:0f:71:0f:27:2a:72:36:24:26:26:0b:f3:80:37:d3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 17:b3:bc:da:29:c3:8e:b4:2a:80:f8:f1:49:ba:0a:52:2f:6e:1c:eb
Fingerprint (sha256): 20:c5:e8:77:45:d8:55:eb:18:ba:9c:02:26:a6:af:38:e8:32:0b:ea:a9:3c:5c:8b:43:dd:86:00:9c:30:64:f1
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www.math.univ-paris13.fr
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.math.univ-paris13.fr
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
math.univ-paris13.fr
www.math.univ-paris13.fr
www.math.univ-paris13.fr
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Certificate
The complete raw certificate details for www.math.univ-paris13.fr in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFfzCCBGegAwIBAgISA8t1C+BzRMEGmYJoCfr+7x49MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA4MzEyMTAxMzRaFw0x OTExMjkyMTAxMzRaMCMxITAfBgNVBAMTGHd3dy5tYXRoLnVuaXYtcGFyaXMxMy5m cjCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANy4Eg1gL9CesCHRkxvC zWAGLfrCz7+kCAXV5bJzO0uC5E84U0HAz2fSUVTVMxGuxZ+aGjRF8/7IdO/drPcP iYuXwIoA1/Wy7ypgm5xfkqfFP6DQChO4umh0VyB3gsA6iUfmD8j3iQWJr6PwAqyw ngd1jFsr7vbaqfIvoUycnIjNR4dlmCd+0xheAWxQDo9Z7H2gBKgb0SwfJymoUxha 4gcQ+k69RMXRA4RybU8htged2IYsq9bA9lmnwNe/dTHaBecKAwC2NFSYme9JCvn+ vW+IFAyMmg7JDSvNUDUYNT1sMFG6e81N0mSJAMRdL6vO1HYkta4bjA5L2wssqpvP Du8CAwEAAaOCAoQwggKAMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEF BQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUpfRS1dIPcQ8n KnI2JCYmC/OAN9MwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYI KwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0 c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0 c2VuY3J5cHQub3JnLzA5BgNVHREEMjAwghRtYXRoLnVuaXYtcGFyaXMxMy5mcoIY d3d3Lm1hdGgudW5pdi1wYXJpczEzLmZyMEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcG CysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5 cHQub3JnMIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHYA4mlLribo6UAJ6IYbtjuD 1D7n/nSI+6SPKJMBnd3x2/4AAAFs6bKl3wAABAMARzBFAiEA9ubeEnpZNyWkDCKw oxs9XACwMiE+kZP/qw5i1ehkQ/QCIFxUE+6ffLEozXzMOBMgbJCj3RJeX94sajeN Qhe+VBcYAHcAY/Lbzeg7zCzPC3KEJ1drM6SNYXePvXWmOLHHaFRL2I0AAAFs6bKm DQAABAMASDBGAiEA7L1ZKduf5S++WnzjdQmC/RxiEb4jzolRNF6o4MKC1C4CIQC7 QJNKI6ErPFFA9Kj0p9zgeeZ1W15yNEPnvwJ72O0I8zANBgkqhkiG9w0BAQsFAAOC AQEAIbTbV4AMIZJJl/ul8zkRBnMQTmmrTA9rqDBrGNY6a7LqrQbGUpsJZ57gPy2F U/EH2FNkBkDPaEp3D079x0MSIyb1rjPYzmo6mDy3YweQYIDBv3LADnCBqoeFAlXO AqjElHzzbHoqjW+bObkiAI5KvalKJgh73BZVmBei9BwRnq4m6cESIpDfaISBnxv2 bVP3259FO4SesuDA2CdsHAswrIWgEkhv3oJ4u8HAlPukoghLxQ/imqQ2B3Got9qr lJKNYhimY+AwdS6lErj9WHD+dCPe9ELhptnHRURzZARLbrhAoNlKJW5hSZVTn1Bv jAZ4aa33oBkBNJ2EXtG4a/OzOg== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3LgSDWAv0J6wIdGTG8LN YAYt+sLPv6QIBdXlsnM7S4LkTzhTQcDPZ9JRVNUzEa7Fn5oaNEXz/sh0792s9w+J i5fAigDX9bLvKmCbnF+Sp8U/oNAKE7i6aHRXIHeCwDqJR+YPyPeJBYmvo/ACrLCe B3WMWyvu9tqp8i+hTJyciM1Hh2WYJ37TGF4BbFAOj1nsfaAEqBvRLB8nKahTGFri BxD6Tr1ExdEDhHJtTyG2B53Yhiyr1sD2WafA1791MdoF5woDALY0VJiZ70kK+f69 b4gUDIyaDskNK81QNRg1PWwwUbp7zU3SZIkAxF0vq87UdiS1rhuMDkvbCyyqm88O 7wIDAQAB -----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 330569759623395795304801961465396765597245 . . . . . . . . [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 2019-08-31 21:01:34 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-29 21:01:34 +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 'www.math.univ-paris13.fr' . . . . . . . . [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 27863195647257456050973843456801028496682324164066569592482438774568354495271350026630568656165897520942675277557118814289693386148633330337334357989452578752107746371144893629570221362045613345200516672203286381010570138571449154191029286905519658283463319304365618276909456199112774201170724404851695016769062310621623302542557115619648457972268149235269725930053328955496574577821236399999487884616913108299600956656205831159308332415443920657274148029278668705684293849730611778283036816174950613755317581860127356928518876376579653349763879453626001700922344821157092633804624243137087085816976082111061344325359 . . . . . . . . . . . . . . . . . . . . [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) a5f452d5d20f710f272a72362426260bf38037d3 . . . . . . . . . . . . . . . . [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 (50 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'math.univ-paris13.fr' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.math.univ-paris13.fr' . . . . . . . . . . . . . . . . [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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016ce9b2a5df0000040300473045022100f6e6de127a593725a40c22b0a31b3d5c00b032213e9193ffab0e62d5e86443f402205c5413ee9f7cb128cd7ccc3813206c90a3dd125e5fde2c6a378d4217be54171800770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016ce9b2a60d0000040300483046022100ecbd5929db9fe52fbe5a7ce3750982fd1c6211be23ce8951345ea8e0c282d42e022100bb40934a23a12b3c5140f4a8f4a7dce079e6755b5e723443e7bf027bd8ed08f3 . . . . [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) 0021b4db57800c21924997fba5f339110673104e69ab4c0f6ba8306b18d63a6bb2eaad06c6529b09679ee03f2d8553f107d853640640cf684a770f4efdc743122326f5ae33d8ce6a3a983cb76307906080c1bf72c00e7081aa87850255ce02a8c4947cf36c7a2a8d6f9b39b922008e4abda94a26087bdc16559817a2f41c119eae26e9c1122290df6884819f1bf66d53f7db9f453b849eb2e0c0d8276c1c0b30ac85a012486fde8278bbc1c094fba4a2084bc50fe29aa4360771a8b7daab94928d6218a663e030752ea512b8fd5870fe7423def442e1a6d9c745447364044b6eb840a0d94a256e614995539f506f8c067869adf7a01901349d845ed1b86bf3b33a