cs50.dev

Issued by Amazon RSA 2048 M02

About this certificate

This digital certificate with serial number 0b:d0:ad:3f:0d:26:5f:ba:d2:6b:1f:44:34:d8:54:8e was issued on by Amazon.

With 4 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=cs50.dev

Amazon

Organization: Amazon
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 0b:d0:ad:3f:0d:26:5f:ba:d2:6b:1f:44:34:d8:54:8e
Serial Number (int): 15705019552514685266208191243913548942
Serial Number lenght: 124 bits, 16 octets

SubjectKeyId: da:17:37:c3:6f:8a:a0:47:1e:df:1d:5e:08:fe:83:97:d7:47:66:2a
AuthorityKeyId: c0:31:52:cd:5a:50:c3:82:7c:74:71:ce:cb:e9:9c:f9:7a:eb:82:e2

Fingerprint (sha1): 47:14:2c:52:87:0c:2c:36:b2:44:69:e6:76:dd:cd:7a:80:c2:f5:d6
Fingerprint (sha256): f8:76:b6:1d:12:9b:db:68:27:98:b7:26:a6:5a:67:61:a5:23:fc:dd:1e:3d:2b:b3:96:88:a9:84:67:6b:b7:11

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 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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAops1DvGumgLhxnAr5Wdo
9rc0wPZVHtsHj26GDq9L7S5AQ2gtC11gfHamSCHRKySdEH9YS/DvACewrCXyR1MD
26WTuvh7jqQFJ2xKf2tipaJuVd5331Q8g32pAlLW98XQcB7+0LN5gUrYud9TVGcP
vIZ2ppARWMjqEB1H3H2eS9HH0EIavxVf+jQNcn+2fEKB8sgmbk01ZD/HBkl0wACp
i5IUvwmAK1J2AuEkd1k4DZdAU/VXoGmSqX+5gc7OiI6GiomlLna/Bcuh498JnVQI
4Uc20yXHE00PCz67gixkH3qOY5CZ5HnJ6Z4gq0OnQRTVPUchg78AFEF1s9rLvvx9
uQIDAQAB
-----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 15705019552514685266208191243913548942
 . . . . . . . . [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 2024-03-26 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-04-25 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 20527140956570774827215188924195785039700812990072931645343659143833344480703545494405585895561925898094724867020887653509617821948037084090750970105763136314475236309923457998945972873180385481833515128895502721869318311961591114372692854345887450622150973755861609461494284418682552389105384378166949400690194649857178560367448766193257164290242503876397167533744133641147212260289162141535930035509944365631014967384758939326523548107422552896342859368894683680537921826397471538611380131712510830839474919875036481829412163855291596246514078306922430217241571069168348332791213700583676113792677145929592237489593
 . . . . . . . . . . . . . . . . . . . . [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)
							da1737c36f8aa0471edf1d5e08fe8397d747662a
 . . . . . . . . . . . . . . . . [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 2.5.29.32 (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 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 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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