olcsyst.open.edu

Issued by Amazon

About this certificate

This digital certificate with serial number 01:38:3c:7c:73:73:3b:78:f8:94:a9:dc:01:a7:e7:a4 was issued on by Amazon.

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=olcsyst.open.edu

Amazon

Organization: Amazon
Organization unit: Server CA 1B
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 01:38:3c:7c:73:73:3b:78:f8:94:a9:dc:01:a7:e7:a4
Serial Number (int): 1621223424461320538959085082243491748
Serial Number lenght: 121 bits, 16 octets

SubjectKeyId: fe:6d:c5:b4:57:53:ff:cc:b0:26:fc:ab:31:23:ae:84:d1:19:1b:17
AuthorityKeyId: 59:a4:66:06:52:a0:7b:95:92:3c:a3:94:07:27:96:74:5b:f9:3d:d0

Fingerprint (sha1): 86:45:cf:8e:16:83:cf:f9:74:47:f9:4c:19:84:71:a2:a7:66:db:e7
Fingerprint (sha256): 2d:23:f5:89:9b:74:cb:ac:48:23:a4:7f:d0:60:f9:63:7e:c5:fa:5f:0c:fa:05:49:bf:c6:e2:84:42:26:14:40

Issuing Certificate URL: http://crt.sca1b.amazontrust.com/sca1b.crt

Revocation information

OCSP Server: http://ocsp.sca1b.amazontrust.com
CRL Distribution Point: http://crl.sca1b.amazontrust.com/sca1b-1.crl

Check the revocation status for certificate olcsyst.open.edu

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for olcsyst.open.edu

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

10 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

olcsyst.open.edu

Other certificates including the domain name open.edu

(limited to 100 certificates)

Certificate

The complete raw certificate details for olcsyst.open.edu in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3w3vD3LINVatSbVWHnCd
rwbRqVfFr+3bfUrm52pI19NT4LvYsV8EizGjqTfA4SQJk2iLRA7K0CBb0CkLFmEs
1iUEcpXbPaUyCJ0BI15sBTQrr70B0oirs6vAPIPcByeSt/Gypc6UffsADDJjuB/j
MSqUUp8ECeHRGOp71trMTGQt2RpTMk9hXUjOheOgwKubSUugkj8VNcMsCqEZL/Oq
dtgnzvBw0JCnzMSLJ/U6btJQ8nbYguZL+ZfqAnInHSo8cC/xzzaXo6AykaPIwweW
xDFKobsoD73j60UIpN8Xd6zRy/ogBuxx57ZTHPtWarB1xOtvKytQv4COWzoXmmAE
jwIDAQAB
-----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 1621223424461320538959085082243491748
 . . . . . . . . [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 'Amazon'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Server CA 1B'
 . . . . . . . . . . . . [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 'Amazon'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2022-06-10 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-07-09 23:59:59 +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 'olcsyst.open.edu'
 . . . . . . . . [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 28158013034831094682949324533952748814711100395402949290258299968377257546392706469198093635614002676020319031621437034506614140150903172124455967708725792460141952224178988136601558384409170149864111919436206456673191118070950413073759574339029114573576537608649654506108939865141417383365912281392868793439559004912279056194928895816316969343488331654174793727932555479990386425767212107245432194362813643568120176827587428919141207762494534538172653471625690664860209448277636257042206789908725344714037241177517134026232234116130102190591224584795283885018478542870609564247231497321120056442219931673552100525199
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 59a4660652a07b95923ca394072796745bf93dd0
 . . . . . . . . . . . . . . . . [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)
							fe6dc5b45753ffccb026fcab3123ae84d1191b17
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'olcsyst.open.edu'
 . . . . . . . . . . . . . . . . [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 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (54 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crl.sca1b.amazontrust.com/sca1b-1.crl'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (105 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.sca1b.amazontrust.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://crt.sca1b.amazontrust.com/sca1b.crt'
 . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (366 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (362 bytes)
							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
 . . . . [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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