student-imk.mb.uni-magdeburg.de
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:ac:42:f7:10:3f:1f:ef:a3:ab:e4:04:7c:4b:0b:77:c0:fb was issued on by Let's Encrypt.
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We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=student-imk.mb.uni-magdeburg.de
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:ac:42:f7:10:3f:1f:ef:a3:ab:e4:04:7c:4b:0b:77:c0:fbSerial Number (int): 319954436780247829843925319267845265670395
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: a7:99:c6:3b:61:f3:a5:77:a2:47:a5:31:95:30:23:d7:19:ba:ac:4f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 10:fb:63:22:ed:08:46:c0:d5:cf:7a:13:4e:10:c3:ff:74:9d:8a:10
Fingerprint (sha256): 06:6a:19:f1:89:26:e0:4a:20:84:a7:25:ff:af:c4:a8:c9:85:f1:93:60:86:ad:8a:13:26:04:e6:e1:76:e7:f9
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate student-imk.mb.uni-magdeburg.de
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for student-imk.mb.uni-magdeburg.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
student-imk.mb.uni-magdeburg.de
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Certificate
The complete raw certificate details for student-imk.mb.uni-magdeburg.de in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFdTCCBF2gAwIBAgISA6xC9xA/H++jq+QEfEsLd8D7MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMDkwMjA5MTNaFw0y MDA0MDgwMjA5MTNaMCoxKDAmBgNVBAMTH3N0dWRlbnQtaW1rLm1iLnVuaS1tYWdk ZWJ1cmcuZGUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCp5lDFn5Tx OVuneNI090SwjY13TueJjrkoqXeLyBHq27yeETfihQYuPMEL2bGdmwI9TexXvKvj FFADXTXZrqjXZ/pa7/asgUNc0/T7aTGgPWjpdd2O0OsS52C2zevKHXjuywT6mn21 ty6xNJjHM+Pl2bgXT+lkU0AmAoCQmZNjiuPi0pMi4bjywsMulDEcX+vaTPGVLMXV N7YYksu+NWg3NRDQjjEk2gMzkTcCHEgxYHvWVDfOsbCSAvZLwVCr1UMTqnW/pV6x PkqqObKpwnDfbimoB7xF9RgwSA88o4MbPkj1eqb9cnrxZFJqegmsJK9HAeZFuuHR HK7G7s5I/7zZAgMBAAGjggJzMIICbzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYw FAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFKeZ xjth86V3okelMZUwI9cZuqxPMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/z qOyhMG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50 LXgzLmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50 LXgzLmxldHNlbmNyeXB0Lm9yZy8wKgYDVR0RBCMwIYIfc3R1ZGVudC1pbWsubWIu dW5pLW1hZ2RlYnVyZy5kZTBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLf EwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCC AQMGCisGAQQB1nkCBAIEgfQEgfEA7wB1APCVpFnyANGCQBAtL5OIjq1L/h1H45nh 0DSmsKiqjrJzAAABb4hHB18AAAQDAEYwRAIgC2XBDKAap9Z2brYeNYnzUEFxokQH xgZB8xf/KXAzxQoCIEMpEooe5hzTOT6ppEX9Tqun9GNuiWTyioj8zaxXdW1lAHYA sh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+LkF4AAAFviEcHRAAABAMARzBF AiBtQfEI+6ZJbDY5BmAKwtS5pRQECfdhp/qOmE3MQ1hSNgIhAMaVi/yBD+5Ve/SA iD1P9s8FNgBoCxGD4vFnHu1yuVvxMA0GCSqGSIb3DQEBCwUAA4IBAQAk1Enw79Qz 5K48yWGuVKYiwGmOh5Hy59dncSAX3d5ref2nGl7ITuOh8IuHsnuA5r3gAO/6zT69 YRpACD9XmHhyrE7WiTcSFti2lIy6n+4fC4wJEpFl3vgfxWEHnoMaZKPL15WfJCyb JqZRB3FXHq9DiX+LykVYbM/zNg9KOqrVDTNAXIqj3n+JETh+GXtD4/MPEsqpMNd7 yDPOWruQgKg3THuH/dD09mQV2mCt9jH9jHX5xLd40v2CDLzRTcY407kcYKr8wtf+ Ms5KZY9UqJMZhDY4BoTb9vJT+oX/MpAZHJUCg1Qq9AixpA+dL9kalTcgHdcZe+6z LBxMOHiRb5ca -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqeZQxZ+U8Tlbp3jSNPdE sI2Nd07niY65KKl3i8gR6tu8nhE34oUGLjzBC9mxnZsCPU3sV7yr4xRQA1012a6o 12f6Wu/2rIFDXNP0+2kxoD1o6XXdjtDrEudgts3ryh147ssE+pp9tbcusTSYxzPj 5dm4F0/pZFNAJgKAkJmTY4rj4tKTIuG48sLDLpQxHF/r2kzxlSzF1Te2GJLLvjVo NzUQ0I4xJNoDM5E3AhxIMWB71lQ3zrGwkgL2S8FQq9VDE6p1v6VesT5KqjmyqcJw 324pqAe8RfUYMEgPPKODGz5I9Xqm/XJ68WRSanoJrCSvRwHmRbrh0Ryuxu7OSP+8 2QIDAQAB -----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 319954436780247829843925319267845265670395 . . . . . . . . [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 2020-01-09 02:09:13 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-08 02:09:13 +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 'student-imk.mb.uni-magdeburg.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 21447846352870365866370423836124785014307785075689371294741575145868789767908131937223196394273633228562184910509561792376413362387316911622343384161435091800721834357377438027520606350956341202289970968769428963309564488947691860700858690374454136930448707284607687375141668264823268425733674654844950742339293874054948227776606016156629044201666699269566895579844170625001776492987342855380794017119343045203650107130795765438947135375205108777679480109922306285711707384149653924755200391363481846178771701509388541344147478593565752697795373136028806277116229616977588069501498279464502852384299920222818236611801 . . . . . . . . . . . . . . . . . . . . [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) a799c63b61f3a577a247a531953023d719baac4f . . . . . . . . . . . . . . . . [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 (35 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'student-imk.mb.uni-magdeburg.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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f8847075f000004030046304402200b65c10ca01aa7d6766eb61e3589f3504171a24407c60641f317ff297033c50a02204329128a1ee61cd3393ea9a445fd4eaba7f4636e8964f28a88fccdac57756d65007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f88470744000004030047304502206d41f108fba6496c363906600ac2d4b9a5140409f761a7fa8e984dcc43585236022100c6958bfc810fee557bf480883d4ff6cf053600680b1183e2f1671eed72b95bf1 . . . . [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) 0024d449f0efd433e4ae3cc961ae54a622c0698e8791f2e7d767712017ddde6b79fda71a5ec84ee3a1f08b87b27b80e6bde000effacd3ebd611a40083f57987872ac4ed689371216d8b6948cba9fee1f0b8c09129165def81fc561079e831a64a3cbd7959f242c9b26a6510771571eaf43897f8bca45586ccff3360f4a3aaad50d33405c8aa3de7f8911387e197b43e3f30f12caa930d77bc833ce5abb9080a8374c7b87fdd0f4f66415da60adf631fd8c75f9c4b778d2fd820cbcd14dc638d3b91c60aafcc2d7fe32ce4a658f54a893198436380684dbf6f253fa85ff3290191c950283542af408b1a40f9d2fd91a9537201dd7197beeb32c1c4c3878916f971a