www.open.edu

Issued by Amazon

About this certificate

This digital certificate with serial number 0c:5d:ca:a2:b0:cc:83:23:cc:dc:c2:43:d9:c2:4d:b2 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=www.open.edu

Amazon

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

This certificate has expire since

Certificate Details

Serial Number (hex): 0c:5d:ca:a2:b0:cc:83:23:cc:dc:c2:43:d9:c2:4d:b2
Serial Number (int): 16437729493681596278712650606705790386
Serial Number lenght: 124 bits, 16 octets

SubjectKeyId: b7:9f:eb:e9:bb:02:43:74:ff:a7:8a:13:69:01:d3:51:5f:d7:16:bd
AuthorityKeyId: 59:a4:66:06:52:a0:7b:95:92:3c:a3:94:07:27:96:74:5b:f9:3d:d0

Fingerprint (sha1): c6:55:1f:3f:b4:0b:21:ea:82:e7:e0:4e:be:37:63:41:5a:6c:54:87
Fingerprint (sha256): e8:f2:fe:63:d7:05:f6:44:01:4b:2c:21:2e:00:48:1e:50:2c:51:f6:7e:bb:67:f4:00:49:e1:77:41:8e:1c:c6

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 www.open.edu

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

www.open.edu

Other certificates including the domain name open.edu

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnd6BSvUzA6siSdPr1KmZ
dm0gMmYYVdRU+Y9dXJhlg2aNaNv6WIizC9hVHuLZ5wxvWxAdtooh9ox2654x1LHY
Bexee4KRABk+j/0nlhQVz/2U7QS78LE5r2sjsrUe1XD2UE8iirpMniTSFJ5jd14C
T0jhN9OJUMeoEezmJ+iy7YQwBQY6O4pFhgIpCPGaIgRUJZtwyE0dy8M5b1O+8c10
Z7cquDyd2q+gq50bJCQFuATt1CNgv7NFNErhlsQuZtjugnCd1+h0IOxdUMw47s0j
zulucYBr1Bugd7szbn21BXx8Vcm+MjPr9tlfGpXFP+v4dStZl22v7Z57+dRP3CuJ
zQIDAQAB
-----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 16437729493681596278712650606705790386
 . . . . . . . . [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 2022-01-21 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-02-19 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 'www.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 19929135209203754424756193796095031443465090190537407102880774671214641103779508946012076916505029159433955049276796463653491401773497894511288203102288550861091499435160624291407138345084757361646749729943314587640799182725327923862808494408221302867959016637946951951532866393854792681536320029419784878846279961498671303033188329069065483861238285940535958434322706847352373637191514367055490951099592145449827237759812881807422105266134345789079093084315314460219500348000339587271563663515628134377563323645608208212048756640065340730045486692858045638905026676308064184618793024596084556592625258374437446322637
 . . . . . . . . . . . . . . . . . . . . [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)
							b79febe9bb024374ffa78a136901d3515fd716bd
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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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