bscw.iaw.rub.de
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:f3:38:99:ea:cf:cb:34:ba:14:76:be:61:cf:4a:8f:e9:16 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=bscw.iaw.rub.de
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:f3:38:99:ea:cf:cb:34:ba:14:76:be:61:cf:4a:8f:e9:16Serial Number (int): 344100708908799063773799113649133534046486
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: a9:df:31:39:54:c5:3c:ba:9d:4c:33:d3:b2:7b:8c:1d:c5:34:bc:17
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 47:f3:92:bb:9b:6b:99:59:e6:46:c1:7f:f6:30:f2:db:41:83:3b:b9
Fingerprint (sha256): 03:c6:cb:83:de:41:63:49:af:69:f6:3e:b8:85:fb:d9:f2:c7:81:81:f1:52:dd:f9:52:d4:7b:62:54:af:4c:1c
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate bscw.iaw.rub.de
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for bscw.iaw.rub.de
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
bscw.iaw.rub.de
bscw.iaw.ruhr-uni-bochum.de
bscw.iaw.ruhr-uni-bochum.de
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Certificate
The complete raw certificate details for bscw.iaw.rub.de in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFczCCBFugAwIBAgISA/M4merPyzS6FHa+Yc9Kj+kWMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMDYwMzA2MDZaFw0y MDA0MDUwMzA2MDZaMBoxGDAWBgNVBAMTD2JzY3cuaWF3LnJ1Yi5kZTCCASIwDQYJ KoZIhvcNAQEBBQADggEPADCCAQoCggEBAN15LBKuEnQH2hOoqpfSJ601bbGYluXH samoI+H/Y9n++yYLtQBYLvuTyKFmbyTIPg9CknteG/kO5sP4UnRcmMuwsns0O+EK jbNdG5gHhbWdPZD+rUCkMP3OiHG7bBUw6MeBV9KWEKTyETyO9Tas9isDfyFplG91 38R0vPCdSdufcO4L7QiOD9WqOenlHHS1jjdBFa1QYYgGFgBAXRBgCJXZE9dHSeS0 9CLnP8I/iBYbxy30HEA+jl72qitDAv/kH/2p7pEloezy+nqvDwjnNzkAKBIvi43S tGL95LEoPRNpF3pCOSiBVrovkMS7367D2zRL40T2yE521sF5iwoCQi8CAwEAAaOC AoEwggJ9MA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYB BQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUqd8xOVTFPLqdTDPTsnuMHcU0 vBcwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEE YzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQu b3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQu b3JnLzA3BgNVHREEMDAugg9ic2N3Lmlhdy5ydWIuZGWCG2JzY3cuaWF3LnJ1aHIt dW5pLWJvY2h1bS5kZTBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEB ATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQQG CisGAQQB1nkCBAIEgfUEgfIA8AB2APCVpFnyANGCQBAtL5OIjq1L/h1H45nh0DSm sKiqjrJzAAABb3kIBL0AAAQDAEcwRQIgPtg4GI//TF/+7Z1QwWoFKLHrYd8I7mOE kZz2QzHoQPwCIQCnOoLGvir8DGULPc8q/bKvSVHEUzVJVHbutXbAVy3d9QB2ALIe BcyLos2KIE6HZvkruYolIGdr2vpw57JJUy3vi5BeAAABb3kIBNkAAAQDAEcwRQIh AM6u0WLjJTsLmWAf83EUQo3VoLircykWjycN6ox5fKOrAiAN1kawITFuP9UM8n8z TbZcc7Bn+SS4i+GA8jukkan4/jANBgkqhkiG9w0BAQsFAAOCAQEAlBfUBxIiDFXv pW8cI1vX6lIxPIpIZxQrZH/91iRpTyMWmw4dHIe/xCQENAR5eBn160mw5pLMPeF5 25H664YncOOOoMR0UfDisOAddDRZuJ/OehEmMQSWPMYOes7ajqcpUx9/WT4vm6RM NsWQSb1sxqiL4Cj+Lgw0YrjLbwzF78BFdkOUJtUOBwnYIo7c0lgc1oEdFUR+pe30 2E7ZWaVXQVP+tZ27QVUGIXdu+hql/8XM8tlJhDZlSoYSAb6gOVKi6l0bIeX9cV3U /vugViViYAEQ1MZVetEC5MaHKeJGZ5/r5nk/ol12QL0ZddFW++hYFry6J8M7r2fh PCvWpw9PQQ== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3XksEq4SdAfaE6iql9In rTVtsZiW5cexqagj4f9j2f77Jgu1AFgu+5PIoWZvJMg+D0KSe14b+Q7mw/hSdFyY y7CyezQ74QqNs10bmAeFtZ09kP6tQKQw/c6IcbtsFTDox4FX0pYQpPIRPI71Nqz2 KwN/IWmUb3XfxHS88J1J259w7gvtCI4P1ao56eUcdLWON0EVrVBhiAYWAEBdEGAI ldkT10dJ5LT0Iuc/wj+IFhvHLfQcQD6OXvaqK0MC/+Qf/anukSWh7PL6eq8PCOc3 OQAoEi+LjdK0Yv3ksSg9E2kXekI5KIFWui+QxLvfrsPbNEvjRPbITnbWwXmLCgJC LwIDAQAB -----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 344100708908799063773799113649133534046486 . . . . . . . . [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 2020-01-06 03:06:06 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-05 03:06:06 +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 'bscw.iaw.rub.de' . . . . . . . . [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 27958417616607280775527732900758876263106933533363166672396724293057929309639656293250358247668998237260808076967085603973610819889407884079230674648907222247793083123221528692781091598217670642023719172504625809597329317591169544563198646763869810295550893719707489158316751519843319561790937690771662300306745030131764807966581175413946873791413313450622770052949693907043502757784282203140257055900001649562504169911813362493869052466626283799307814689681715423707438003181684748629895538625281643618816989076619727160630720454173981279255112711317104651119136353346955180558328534927312144528767104475243948950063 . . . . . . . . . . . . . . . . . . . . [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) a9df313954c53cba9d4c33d3b27b8c1dc534bc17 . . . . . . . . . . . . . . . . [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 (48 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bscw.iaw.rub.de' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bscw.iaw.ruhr-uni-bochum.de' . . . . . . . . . . . . . . . . [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) 00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f790804bd000004030047304502203ed838188fff4c5ffeed9d50c16a0528b1eb61df08ee6384919cf64331e840fc022100a73a82c6be2afc0c650b3dcf2afdb2af4951c45335495476eeb576c0572dddf5007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f790804d90000040300473045022100ceaed162e3253b0b99601ff37114428dd5a0b8ab7329168f270dea8c797ca3ab02200dd646b021316e3fd50cf27f334db65c73b067f924b88be180f23ba491a9f8fe . . . . [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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