cs50.dev

Issued by Amazon RSA 2048 M01

About this certificate

This digital certificate with serial number 0c:94:55:8b:d5:a1:21:1e:cd:f3:68:27:59:17:7c:1c was issued on by Amazon.

With 4 subject alternative names this certificate can be used to secure multiple fqdn's. 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=cs50.dev

Amazon

Organization: Amazon
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 0c:94:55:8b:d5:a1:21:1e:cd:f3:68:27:59:17:7c:1c
Serial Number (int): 16720930968128145393838190759465417756
Serial Number lenght: 124 bits, 16 octets

SubjectKeyId: 14:76:31:00:4b:0f:d6:7d:1b:11:54:d3:44:64:01:ea:23:8f:11:9b
AuthorityKeyId: 81:b8:0e:63:8a:89:12:18:e5:fa:3b:3b:50:95:9f:e6:e5:90:13:85

Fingerprint (sha1): 76:e1:30:fb:35:79:50:d6:4b:06:98:08:5c:1e:16:ea:2d:a1:97:45
Fingerprint (sha256): 9f:e6:87:4e:94:28:0d:5f:59:46:2d:68:ec:19:93:0a:c2:95:d6:0e:8f:f4:a9:b5:58:3d:c2:aa:3b:9c:67:5b

Issuing Certificate URL: http://crt.r2m01.amazontrust.com/r2m01.cer

Revocation information

OCSP Server: http://ocsp.r2m01.amazontrust.com
CRL Distribution Point: http://crl.r2m01.amazontrust.com/r2m01.crl

Check the revocation status for certificate cs50.dev

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cs50.dev

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

cs50.dev
code.cs50.io
www.code.cs50.io
www.cs50.dev

Other certificates including the domain name cs50.dev

(limited to 100 certificates)
ap.cs50.school
ap.cs50.school
ap.cs50.school
ap.cs50.school
cs50.dev
ap.cs50.school
ap.cs50.school
ap.cs50.school
cs50.dev

Certificate

The complete raw certificate details for cs50.dev in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAq+8rue8Y/uLGyHXR6EAC
5zNgi97g+P7q5VV/P1zo6O1v/OVbJ8b/B7HcI/3PJvPbasdFPdU/S7qDbW3eIbzI
4wlCYIHAh+NnqHcII3bjdbuJTMkwvjYysEjlHki2Bpos3s8yTFwZ72+afWjnQZ6A
Ui1wbk2kKjXglfwWUWjaTqB9Va1C3yoqEMAuGioyHzG/FZx7LfCo2SOI6mge2taC
8PqCJv6GTO4o4yxEO6txSmuM5AyJEPoNJUMWgU7OI3lG9tRiOq0p1YJFHTCEdLa+
mu+jvo2LcrZjvGBmvrvRLobJoIJF0HNIA29UCLEekh7tAhzDgc0wFuZ/abdDjc8I
wQIDAQAB
-----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 16720930968128145393838190759465417756
 . . . . . . . . [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 M01'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-04-26 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-24 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 'cs50.dev'
 . . . . . . . . [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 21704689669240233053725884417489709476057891350833634503082059515527201302677949043762471917284309334639246794488692985757692100569844565748778349129635926733474537836376969566515891149932602032635648678311529742597785104284936590099519659319854033394118364655810959792576153681613476790040485518234392960786453191264806996087191267148307298239044889400473560613307112204727672985095792263576144255165379939174921187753785841976148575025262793937362308133849549401900468131192869828982957794753312760132081194858167880357273551563491055807835276488642614789842976873798666110432182887236104135217926639891213934594241
 . . . . . . . . . . . . . . . . . . . . [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 81b80e638a891218e5fa3b3b50959fe6e5901385
 . . . . . . . . . . . . . . . . [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)
							147631004b0fd67d1b1154d3446401ea238f119b
 . . . . . . . . . . . . . . . . [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 (58 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cs50.dev'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'code.cs50.io'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.code.cs50.io'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cs50.dev'
 . . . . . . . . . . . . . . . . [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.r2m01.amazontrust.com/r2m01.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.r2m01.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.r2m01.amazontrust.com/r2m01.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 (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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