educsys.uva.nl
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:2e:39:9b:ce:17:b3:b8:df:34:13:0c:09:41:41:45:88:86 was issued on by Let's Encrypt.
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=educsys.uva.nl
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:2e:39:9b:ce:17:b3:b8:df:34:13:0c:09:41:41:45:88:86Serial Number (int): 364178707587231216412078114992140245633158
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 69:18:0f:32:6e:3b:06:75:a7:1a:a3:59:dc:db:9b:2d:02:89:f7:2f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 5f:1e:07:5c:d8:ef:11:1c:36:6c:f9:99:85:83:28:b8:61:90:dd:35
Fingerprint (sha256): 01:9b:fa:20:52:f7:d7:49:a5:6e:51:13:d2:3e:9e:bf:c7:92:07:45:72:bd:55:65:dd:20:1c:69:f8:2f:ab:83
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate educsys.uva.nl
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for educsys.uva.nl
Public Key Algorithm
RSA
Key Size
3072
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
8 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
educsys.uva.nl
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Certificate
The complete raw certificate details for educsys.uva.nl in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFfzCCBGegAwIBAgISBC45m84Xs7jfNBMMCUFBRYiGMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNzA2MDIyMzE4MDBaFw0x NzA4MzEyMzE4MDBaMBkxFzAVBgNVBAMTDmVkdWNzeXMudXZhLm5sMIIBojANBgkq hkiG9w0BAQEFAAOCAY8AMIIBigKCAYEAu8f40TL6yg3xm6lWeWobtUF8K7vRd2a+ ESSLntievDmfICJYt3RrvuGtsQjZlhWG6799/238VHkOrlPdVbdtiZyGRgiC0Mg4 Y9VQxl1MmEUALTUh8RadvwLE/8IzFIKTBH7B+VoiRA1s/qsuglIzi2uD1wqEbCCi zH3Eo+E2Tj//LNRRZSsJgocRwKJPtX/zNvzCPluh+y5gkbo1B9vB5Yx/Rx2Gs+CG +0sjjAKapbqywV8JmvgUVN1fc5t96OYHLoznXAfNgHaAjzg1aLnQDODo/KniCLu/ f5dnYFMZZ7zUXs/feqNdlnAI5UQBsjeCkY9pzycc5Wuum7UsDdwu2Qy2tKiNASV1 x6VcEx3kyWSJD3ks2UvfBjoIEMsJ+NpyhIt0jmby4se2XGpsPTCbYNO7L7/sWub+ uTuuC3ZXH+QoMt4iWs5wjMvuS4Hbmxp29Evo25KGuOT1D4K6nxe9M8L27H8pDTAf P1qoFHwuuySEgc+pkX2t73jtQLPy/8XnAgMBAAGjggIOMIICCjAOBgNVHQ8BAf8E BAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQC MAAwHQYDVR0OBBYEFGkYDzJuOwZ1pxqjWdzbmy0CifcvMB8GA1UdIwQYMBaAFKhK amMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYi aHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYj aHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0Lm9yZy8wGQYDVR0RBBIwEIIO ZWR1Y3N5cy51dmEubmwwgf4GA1UdIASB9jCB8zAIBgZngQwBAgEwgeYGCysGAQQB gt8TAQEBMIHWMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9y ZzCBqwYIKwYBBQUHAgIwgZ4MgZtUaGlzIENlcnRpZmljYXRlIG1heSBvbmx5IGJl IHJlbGllZCB1cG9uIGJ5IFJlbHlpbmcgUGFydGllcyBhbmQgb25seSBpbiBhY2Nv cmRhbmNlIHdpdGggdGhlIENlcnRpZmljYXRlIFBvbGljeSBmb3VuZCBhdCBodHRw czovL2xldHNlbmNyeXB0Lm9yZy9yZXBvc2l0b3J5LzANBgkqhkiG9w0BAQsFAAOC AQEAU6wwxZvMKyKO6r3KES9uYxyKIli2rHGJu1yrYxKslDvf0OBHOHkwNuTSHF66 fnqQcRD9d9TWenV83Ko9V6gErorcKi/q8bQUcHJvA2hORyHmWdlx4uYrDG7KIgVy hjq5H5g7RUshnDOsve4Hf98eKZ9XbSFHiXl3EOS08EwxS4FVXGTCIsqJ1l1gRAHO XGvcy/fmxRMVWpCzkWUCpgG7YvA7oaGV+QgN3aTOa9aIYTYkA2FWefS7OSNfeg1N GIrt3j8QzndQ/Iu/2d+wihw8FItIu4lRJYaEgAavLNkRB9yo4ClQMPdUcpWVFnUt 9FkMydbMepUtnn3fPWz/+LdDOQ== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBojANBgkqhkiG9w0BAQEFAAOCAY8AMIIBigKCAYEAu8f40TL6yg3xm6lWeWob tUF8K7vRd2a+ESSLntievDmfICJYt3RrvuGtsQjZlhWG6799/238VHkOrlPdVbdt iZyGRgiC0Mg4Y9VQxl1MmEUALTUh8RadvwLE/8IzFIKTBH7B+VoiRA1s/qsuglIz i2uD1wqEbCCizH3Eo+E2Tj//LNRRZSsJgocRwKJPtX/zNvzCPluh+y5gkbo1B9vB 5Yx/Rx2Gs+CG+0sjjAKapbqywV8JmvgUVN1fc5t96OYHLoznXAfNgHaAjzg1aLnQ DODo/KniCLu/f5dnYFMZZ7zUXs/feqNdlnAI5UQBsjeCkY9pzycc5Wuum7UsDdwu 2Qy2tKiNASV1x6VcEx3kyWSJD3ks2UvfBjoIEMsJ+NpyhIt0jmby4se2XGpsPTCb YNO7L7/sWub+uTuuC3ZXH+QoMt4iWs5wjMvuS4Hbmxp29Evo25KGuOT1D4K6nxe9 M8L27H8pDTAfP1qoFHwuuySEgc+pkX2t73jtQLPy/8XnAgMBAAE= -----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 364178707587231216412078114992140245633158 . . . . . . . . [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 2017-06-02 23:18:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-08-31 23:18:00 +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 'educsys.uva.nl' . . . . . . . . [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 (3184 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 4261462652652418985814275760424634052487328971729541246519206593439005310980348661266404456247880914496389320302805265248176894163648975414437878768371009252452480144689660798456471209374422207107934997153914087300503829507891482102713514587718649468684483153068312316087390776056331853422805803590733102110368820667855987339192846786914012202385504838936255577896114495196546723847120033530611971399894070055277876140063727469801831049481831271765370816008145989178132074624506908637438355462298614867606283158449253999484440841355869764680546927706808357901307783730565320581265847062816463168772358461835600236361172320000368135855480480955878910205009137152359056144236426174291536165672697349508013802564132269146724563933603524422251411434394627538784553663832673471768065048028044299861307780954212313991574881404938324613766243789530592133376415982900853141026814936738503849023020371186728838623719011320669493249511 . . . . . . . . . . . . . . . . . . . . [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) 69180f326e3b0675a71aa359dcdb9b2d0289f72f . . . . . . . . . . . . . . . . [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 (18 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'educsys.uva.nl' . . . . . . . . . . . . . . . . [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 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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