www-syst.open.edu

Issued by Amazon

About this certificate

This digital certificate with serial number 0e:3f:a1:c9:57:de:b0:be:fe:9a:5b:d4:2a:b1:4a:96 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-syst.open.edu

Amazon

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

This certificate has expire since

Certificate Details

Serial Number (hex): 0e:3f:a1:c9:57:de:b0:be:fe:9a:5b:d4:2a:b1:4a:96
Serial Number (int): 18939588063077781693460736639524489878
Serial Number lenght: 124 bits, 16 octets

SubjectKeyId: 34:14:22:b0:0c:2b:b8:ac:a3:c8:e0:54:a1:5e:af:2a:b9:a9:10:c0
AuthorityKeyId: 59:a4:66:06:52:a0:7b:95:92:3c:a3:94:07:27:96:74:5b:f9:3d:d0

Fingerprint (sha1): 36:d7:d7:f6:1e:da:f7:9b:d7:83:89:5c:98:4e:19:40:21:55:0b:48
Fingerprint (sha256): d6:38:67:f3:d9:3e:2d:ad:62:9a:e5:57:40:19:42:a2:37:b0:30:07:48:fd:e3:61:5e:d7:b7:31:47:f5:5e:7b

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-syst.open.edu

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www-syst.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-syst.open.edu

Other certificates including the domain name open.edu

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsGHROB1tAglZ9/eNVWZ/
B5EBcaVPKMcKmrXuF0JsUD0b+noT2VOtZftB2DcSuvNY5VQp1nT1FhDGBZe8m4OS
DtP7zMorc0aTpQ31ik2VflCJwe9WEW1MRE8ZtcR73qAwg6oAdlQNRQQX3iC/phmk
gThhlpZloTPmDT8MxyQAK6O4c2kepGhK5JyQ+fC8h+bfz2UHzDBBm3Ug5PZy7Q8r
tMOFAfJnPY5Bj1U+zt3rTamHzxo14WtY7TxHcUmNljiKNzYkOSy8jufDkHEFoidK
4j+GY7XDyRmdnu3w1BOFe7UkELqpgYxLHsXDP/OyhLHKE3ZzDaqj+NlGsaMPn+Aw
+QIDAQAB
-----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 18939588063077781693460736639524489878
 . . . . . . . . [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 2021-12-03 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-01-01 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-syst.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 22266177163924473798619780809498574277291515857751166492461635016334380587810567844065759330444883129780777821421654987063816689200389711164282509955819521458997769589533902510763726698314339235814750354008487821640352783268492371815032278544588858860569036602334979802914102469647833468343045873243919033289977775816609113940001057541897459281216948579091823462324525563107975394298485625087051647384070587200492740566153337115945851165864415065977130757657888649630650861506053490920910751722493556124839782685449485642194312487790490737618709009917149622416209892676517858994909724566289406163113499097075118256377
 . . . . . . . . . . . . . . . . . . . . [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)
							341422b00c2bb8aca3c8e054a15eaf2ab9a910c0
 . . . . . . . . . . . . . . . . [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 (21 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www-syst.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 (367 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (363 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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