coursekata.org

Issued by Amazon RSA 2048 M02

About this certificate

This digital certificate with serial number 0b:61:6d:67:cc:ea:61:22:c3:ef:41:64:c7:f2:5e:5d 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=coursekata.org

Amazon

Organization: Amazon
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 0b:61:6d:67:cc:ea:61:22:c3:ef:41:64:c7:f2:5e:5d
Serial Number (int): 15127379755477779239413247558819143261
Serial Number lenght: 124 bits, 16 octets

SubjectKeyId: e8:8c:1c:73:b0:0b:71:e6:6f:83:26:b6:9b:b1:df:96:0e:fe:a4:c6
AuthorityKeyId: c0:31:52:cd:5a:50:c3:82:7c:74:71:ce:cb:e9:9c:f9:7a:eb:82:e2

Fingerprint (sha1): bb:ae:90:f4:69:2f:a6:43:b4:b9:43:85:a6:09:51:90:80:98:76:4c
Fingerprint (sha256): eb:4a:07:c9:b6:4b:d5:63:74:dd:17:f5:e5:61:e9:b6:44:92:24:43:ff:c6:bd:61:32:2e:ba:84:59:3f:38:b1

Issuing Certificate URL: http://crt.r2m02.amazontrust.com/r2m02.cer

Revocation information

OCSP Server: http://ocsp.r2m02.amazontrust.com
CRL Distribution Point: http://crl.r2m02.amazontrust.com/r2m02.crl

Check the revocation status for certificate coursekata.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for coursekata.org

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

coursekata.org

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Certificate

The complete raw certificate details for coursekata.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0QtVNB56Oajs3XRaNcoG
sDqyeBtfIytyuAyfaVXbgnxiewrQdN6zA+n8yJ9EQZVhNQR06APphdsN7rry3QBD
9vKCsy7yw5u7ktVYc55s2dSqQML34gTxccMTzSjgQZpN64opdBH5AZs2MnLlWOOQ
5NfXCHEM/O/DL2ToW8dLD6IBfDR297kuH2GrKgx71qjvZJ0n8ooWXxqyDOgEGZdL
d15C+xLAyNpjQVdbfcU2jueXq9zfTMxmPunMyv52Lfc4SkvfkJTem6H+CqbQI10c
UpmuUU/5/oqqM+wh/IUZ4UBADBEdgmnutOC6NgMOTl0EMpJWxVYYTvbMlGw1gE3P
bQIDAQAB
-----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 15127379755477779239413247558819143261
 . . . . . . . . [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 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Amazon RSA 2048 M02'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-02-10 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-14 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 'coursekata.org'
 . . . . . . . . [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 26389394162948506884286173163538310757754652669111495553880028451646614637719442378463127735353147728372456179390352002083601492049650171266361980817543639153682033802823081544994117645392399681399554405879240137366810384082526469280935277271250851716664382295611036015852297000365050623346117046314915101878931925746592218524309389559926950554969207614895467859260900338196087856334918140946694949806750164830360559017873043573695081840770389300069153088127391477405032130013869698611576089095423354522267191608460893172025840332052848769641767406539123365451576159782349094156219443009593731048119851226228006440813
 . . . . . . . . . . . . . . . . . . . . [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 c03152cd5a50c3827c7471cecbe99cf97aeb82e2
 . . . . . . . . . . . . . . . . [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)
							e88c1c73b00b71e66f8326b69bb1df960efea4c6
 . . . . . . . . . . . . . . . . [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 'coursekata.org'
 . . . . . . . . . . . . . . . . [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 (52 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.r2m02.amazontrust.com/r2m02.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.r2m02.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.r2m02.amazontrust.com/r2m02.cer'
 . . . . . . . . . . . . . . . . [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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