Certificate Summary:

Subject: www.openh264.org
Issuer: R12
Expiration: 2026-04-03 00:56:41 UTC
Key Identifier: 58:C9:B2:AA:68:E6:A5:48:CC:D8:2B:E8:42:B2:BF:7F:BE:45:66:68

Download and Install

Received at FYIcenter.com on: 2026-01-05

Certificate Detailed Information:

Name:
/CN=www.openh264.org

Subject: 
   Common Name (CN): www.openh264.org
   Organizational Unit Name (OU): 
   Organization Name (O): 
   Locality Name (L): 
   State or Province Name (ST): 
   Country Name (C): 
   Email Address: 
Issuer: 
   Common Name (CN): R12
   Organizational Unit Name (OU): 
   Organization Name (O): Let's Encrypt
   Locality Name (L): 
   State or Province Name (ST): 
   Country Name (C): US
   Email Address: 
Valid From: Sat, 03 Jan 2026 00:56:42 +0000 
Valid To: Fri, 03 Apr 2026 00:56:41 +0000 
Serial Number: 0x054AEF363B2E18911F9C9FBF3313F6FBAF32 
Hash: ea956866 
Version: 2 
Signature Type: sha256WithRSAEncryption 
Purposes:  
   SSL client 
   SSL server 
   Netscape SSL server 
   S/MIME signing 
   S/MIME encryption 
   CRL signing 
   Any Purpose 
   OCSP helper 
   Time Stamp signing 
Extensions:  
   keyUsage:
      Digital Signature, Key Encipherment 
   extendedKeyUsage:
      TLS Web Server Authentication, TLS Web Client Authentication 
   basicConstraints:
      CA:FALSE 
   subjectKeyIdentifier:
      58:C9:B2:AA:68:E6:A5:48:CC:D8:2B:E8:42:B2:BF:7F:BE:45:66:68 
   authorityKeyIdentifier:
      keyid:00:B5:29:F2:2D:8E:6F:31:E8:9B:4C:AD:78:3E:FA:DC:E9:0C:D1:D2
 
   authorityInfoAccess:
      CA Issuers - URI:http://r12.i.lencr.org/
 
   subjectAltName:
      DNS:www.openh264.org 
   certificatePolicies:
      Policy: 2.23.140.1.2.1
 
   crlDistributionPoints:
      
Full Name:
  URI:http://r12.c.lencr.org/51.crl
 
   ct_precert_scts:
      Signed Certificate Timestamp:
    Version   : v1 (0x0)
    Log ID    : 71:7E:95:F3:C2:38:8A:6D:B1:E3:84:49:3D:31:E1:5A:
                A9:62:08:76:2D:42:00:E0:05:0C:D0:67:B5:A6:61:E2
    Timestamp : Jan  3 01:55:12.708 2026 GMT
    Extensions: 00:00:05:00:05:E0:CC:8B
    Signature : ecdsa-with-SHA256
                30:45:02:21:00:89:DA:5F:84:53:29:6C:B9:77:E3:70:
                4C:8F:DF:75:3D:B1:74:A5:34:AE:D6:73:82:11:2C:E0:
                15:0F:BB:BB:28:02:20:64:B1:ED:78:B8:E8:0A:74:70:
                0D:81:25:36:C6:8A:28:BF:FF:56:39:EF:8A:D5:03:34:
                8E:16:1A:DF:2A:FD:4C
Signed Certificate Timestamp:
    Version   : v1 (0x0)
    Log ID    : 0E:57:94:BC:F3:AE:A9:3E:33:1B:2C:99:07:B3:F7:90:
                DF:9B:C2:3D:71:32:25:DD:21:A9:25:AC:61:C5:4E:21
    Timestamp : Jan  3 01:55:12.578 2026 GMT
    Extensions: none
    Signature : ecdsa-with-SHA256
                30:45:02:21:00:98:E3:84:BA:78:A4:48:F7:9D:DA:B9:
                14:83:77:18:53:5F:F8:63:AD:DA:B3:CD:6A:3B:E0:63:
                D7:B6:DB:BE:90:02:20:13:0D:B6:62:93:F9:37:E5:A1:
                2F:E3:BE:1F:F9:F7:EF:9E:5B:B8:E1:00:97:78:F2:5E:
                8E:64:C5:19:EF:F2:31 

Certificate in PEM Format:

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

Related Certificate(s):

ID      Subject          Issuer           Expiration Key Identifier   Relation   
        www.openh264.org R12              2026-04-03 58C9B2AA68E6A54… This Cert
        --------------------------------------------------
32025   R12              ISRG Root X1     2027-03-12 00B529F22D8E6F3… Parent Cert

Public Key Detailed Information:

Key Details:
   Type: RSA
   Size (bits): 2048
   Modulus (n): 
989858ebeccbb67781e8700e872231efd2636367019c904e1016949cf519b605
3056b6824162d4310b79c0d4e1c136131f5c701621d01c53138c3c0c8c5d1547
f8c79429418fc2e3b229b61b778da873ead8639137d2265061a104bdfa762206
a5a03ddc074b8fb70624b617922ec9aedc162c2cc36c94232d9f9dd440da9826
3d678737b64ca4a3ee5231e3872ced38ee70a5b5987dc38796fb2e456ca26c24
ff6342b6e47cd45f6b9673247a0ca5896886f1710379530e881c6e5aa5f0800c
660da4a220b5b9091c00358f3c89a78a8c4e57fd1e28193a63d05603e9f5320d
37403f9a907133d7d7b47e4148b405aa8ef76536878766caff6d8343ef48ac8d
   Public Exponent (e): 65537 (0x010001)

Public Key in PEM Format:

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmJhY6+zLtneB6HAOhyIx
79JjY2cBnJBOEBaUnPUZtgUwVraCQWLUMQt5wNThwTYTH1xwFiHQHFMTjDwMjF0V
R/jHlClBj8Ljsim2G3eNqHPq2GORN9ImUGGhBL36diIGpaA93AdLj7cGJLYXki7J
rtwWLCzDbJQjLZ+d1EDamCY9Z4c3tkyko+5SMeOHLO047nCltZh9w4eW+y5FbKJs
JP9jQrbkfNRfa5ZzJHoMpYlohvFxA3lTDogcblql8IAMZg2koiC1uQkcADWPPImn
ioxOV/0eKBk6Y9BWA+n1Mg03QD+akHEz19e0fkFItAWqjvdlNoeHZsr/bYND70is
jQIDAQAB
-----END PUBLIC KEY-----

Identical or Similar Keys: We found that the public key in this certificate matches key(s) recorded previously.

ID      Type Size Pri/Pub Key Identifier   Date       Comparison 
32301   RSA  2048 Public  58C9B2AA68E6A54… 2026-01-05 Same Key ID