www.codeforces.ru

Issued by StartCom Class 1 Primary Intermediate Server CA

About this certificate


This digital certificate with serial number 0c:96:83 was issued on by StartCom Ltd..

With 2 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.

Cerificate errors/warnings *beta

  • KeyUsage extension SHOULD be marked as critical when present
  • WARNING: Certificate contains unknown extension ([2.5.29.18])
  • Certificate has key usage [KeyAgreement] set
  • commonName field is deprecated
  • emailAddress field is deprecated

www.codeforces.ru

Country: IE

StartCom Ltd.

Organization: StartCom Ltd.
Organization unit: Secure Digital Certificate Signing
Country: IE

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 0c:96:83
Serial Number (int): 824963
Serial Number lenght: 20 bits, 3 octets

SubjectKeyId: d3:38:da:6e:c9:60:1b:c6:99:dc:67:c6:79:35:7b:97:b2:2d:f7:99
AuthorityKeyId: eb:42:34:d0:98:b0:ab:9f:f4:1b:6b:08:f7:cc:64:2e:ef:0e:2c:45

Fingerprint (sha1): e2:a9:38:ad:7c:9c:02:9a:60:55:32:35:9a:4e:08:cc:f1:36:da:79
Fingerprint (sha256): 53:90:3e:a6:01:be:bf:61:5b:52:46:4e:0c:23:ad:e8:bb:6f:d0:42:6d:3b:70:47:87:52:75:62:f3:06:ea:e4

Issuing Certificate URL: http://aia.startssl.com/certs/sub.class1.server.ca.crt

Revocation information

OCSP Server: http://ocsp.startssl.com/sub/class1/server/ca
CRL Distribution Point: http://crl.startssl.com/crt1-crl.crl

Check the revocation status for the current certificate on www.codeforces.ru
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


Public Key Algorithm

RSA

Key Size

4096

Signature Algorithm

SHA1 with RSA



Key Usage

Digital Signature
Key Encipherment
Key Agreement

Extended Key Usages

Server Authentication

Extensions

10 extensions
No unhandled critical extensions



CA Certificate

This is not a CA certificate

Subject Alternative Names

www.codeforces.ru
codeforces.ru

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIHXjCCBkagAwIBAgIDDJaDMA0GCSqGSIb3DQEBBQUAMIGMMQswCQYDVQQGEwJJ TDEWMBQGA1UEChMNU3RhcnRDb20gTHRkLjErMCkGA1UECxMiU2VjdXJlIERpZ2l0 YWwgQ2VydGlmaWNhdGUgU2lnbmluZzE4MDYGA1UEAxMvU3RhcnRDb20gQ2xhc3Mg MSBQcmltYXJ5IEludGVybWVkaWF0ZSBTZXJ2ZXIgQ0EwHhcNMTMxMDIzMDk0MzEw WhcNMTQxMDI0MTcxMjMwWjBtMRkwFwYDVQQNExAxNzR5b2FIVDZzTXc4dG40MQsw CQYDVQQGEwJJRTEaMBgGA1UEAxMRd3d3LmNvZGVmb3JjZXMucnUxJzAlBgkqhkiG 9w0BCQEWGGhvc3RtYXN0ZXJAY29kZWZvcmNlcy5ydTCCAiIwDQYJKoZIhvcNAQEB BQADggIPADCCAgoCggIBAN+XwxIHWyoyUJKD+138GwazH1ZWepV62S9cAhzvplS5 Qi52AoMJ0CbNLk/6MW5vx7U4FoKvKkPTk+1DRGiwGz2rZKh8y3nu3sAwT1xj1cTe e0KglSKRQyNrTysQDLnIQIARgutvAfjdbbGEFvDv+w4DYe8IYn7Vr2JinWTVtOcx YSzgZBCcCeH6oHSTLTmHuYcOIv/+zpzsYheGU8ntCw+cQBKKfMlheqVEraSC1ZoV WVdWZ4EAJyK5DzSoTpVx6P6FzidDT31w+Js2nBfG/P9+o20FyltY4/41NKjxOPdF +KCeH2BLzV1qNmBPi9ieoVDSjsaVRjLy3Yph0eDVh2r3UUaJiFpTG2WrxTWwveFu vYN7z20FwOv1PduQ51pENUp1mxcQJTMI/1oHBqF6upOVifoZIOrhkEUTm86sQt7M G+PCvuj0ccf29v3mPFiXUARzvZPxWihjqOYH3bY1JICVpbzj64QrdFUny0WCiq41 DCeYnk3Q0F9f+8V0qfzSrWE27jy+J/Q3VAAQBUG2OEHahvQVfZ3BWohHB6zHxdgu cJ73SfTNZ7BGkR/JcPlEvXstaw4ulcaFaoFUmeqMJX/4P5zrISNyRhw5vQvDLqyU mlWkRZ5+pn3qmmYICjLIfaJIK3mPe80U+VM6fyVP9e01g0G2Cds71Om2sCyIyM2h AgMBAAGjggLlMIIC4TAJBgNVHRMEAjAAMAsGA1UdDwQEAwIDqDATBgNVHSUEDDAK BggrBgEFBQcDATAdBgNVHQ4EFgQU0zjabslgG8aZ3GfGeTV7l7It95kwHwYDVR0j BBgwFoAU60I00Jiwq5/0G2sI98xkLu8OLEUwKwYDVR0RBCQwIoIRd3d3LmNvZGVm b3JjZXMucnWCDWNvZGVmb3JjZXMucnUwggFWBgNVHSAEggFNMIIBSTAIBgZngQwB AgEwggE7BgsrBgEEAYG1NwECAzCCASowLgYIKwYBBQUHAgEWImh0dHA6Ly93d3cu c3RhcnRzc2wuY29tL3BvbGljeS5wZGYwgfcGCCsGAQUFBwICMIHqMCcWIFN0YXJ0 Q29tIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MAMCAQEagb5UaGlzIGNlcnRpZmlj YXRlIHdhcyBpc3N1ZWQgYWNjb3JkaW5nIHRvIHRoZSBDbGFzcyAxIFZhbGlkYXRp b24gcmVxdWlyZW1lbnRzIG9mIHRoZSBTdGFydENvbSBDQSBwb2xpY3ksIHJlbGlh bmNlIG9ubHkgZm9yIHRoZSBpbnRlbmRlZCBwdXJwb3NlIGluIGNvbXBsaWFuY2Ug b2YgdGhlIHJlbHlpbmcgcGFydHkgb2JsaWdhdGlvbnMuMDUGA1UdHwQuMCwwKqAo oCaGJGh0dHA6Ly9jcmwuc3RhcnRzc2wuY29tL2NydDEtY3JsLmNybDCBjgYIKwYB BQUHAQEEgYEwfzA5BggrBgEFBQcwAYYtaHR0cDovL29jc3Auc3RhcnRzc2wuY29t L3N1Yi9jbGFzczEvc2VydmVyL2NhMEIGCCsGAQUFBzAChjZodHRwOi8vYWlhLnN0 YXJ0c3NsLmNvbS9jZXJ0cy9zdWIuY2xhc3MxLnNlcnZlci5jYS5jcnQwIwYDVR0S BBwwGoYYaHR0cDovL3d3dy5zdGFydHNzbC5jb20vMA0GCSqGSIb3DQEBBQUAA4IB AQBOyJPP1wYbZWKD11OkF3qXFtrCj4/6AIbuuxWGr3WlIfQyd3HZ11+3F33pp7eB vB9bfkHrPDipKdz34BXTxodS7oBswdwOK4HWHZyIDxGrT5NVVyWA6HV5uDV/x88z 26BzXZkL7xLT+Qgoxktqs2cYIkQvC28QpScBJHIZu2wbTjJfKFqyM2HXRWHKBH8s szrobGAmPoWnLWxQW22GyJDqIx1RWPQPhTKDmWUP1cboqE29xuhRBkQ9e99/2oJz YQZemFFI4f0jmqHGje/nN5X0fcwTgBuEXMjjOgeIFY2VG92AY4+9BYNPeAZc0+1r BAQBHT6Z1JK3PD7O0phsFPIO -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA35fDEgdbKjJQkoP7Xfwb BrMfVlZ6lXrZL1wCHO+mVLlCLnYCgwnQJs0uT/oxbm/HtTgWgq8qQ9OT7UNEaLAb PatkqHzLee7ewDBPXGPVxN57QqCVIpFDI2tPKxAMuchAgBGC628B+N1tsYQW8O/7 DgNh7whiftWvYmKdZNW05zFhLOBkEJwJ4fqgdJMtOYe5hw4i//7OnOxiF4ZTye0L D5xAEop8yWF6pUStpILVmhVZV1ZngQAnIrkPNKhOlXHo/oXOJ0NPfXD4mzacF8b8 /36jbQXKW1jj/jU0qPE490X4oJ4fYEvNXWo2YE+L2J6hUNKOxpVGMvLdimHR4NWH avdRRomIWlMbZavFNbC94W69g3vPbQXA6/U925DnWkQ1SnWbFxAlMwj/WgcGoXq6 k5WJ+hkg6uGQRRObzqxC3swb48K+6PRxx/b2/eY8WJdQBHO9k/FaKGOo5gfdtjUk gJWlvOPrhCt0VSfLRYKKrjUMJ5ieTdDQX1/7xXSp/NKtYTbuPL4n9DdUABAFQbY4 QdqG9BV9ncFaiEcHrMfF2C5wnvdJ9M1nsEaRH8lw+US9ey1rDi6VxoVqgVSZ6owl f/g/nOshI3JGHDm9C8MurJSaVaRFnn6mfeqaZggKMsh9okgreY97zRT5Uzp/JU/1 7TWDQbYJ2zvU6bawLIjIzaECAwEAAQ== -----END PUBLIC KEY-----

ASN1 Decoded