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OpenSSL Decoder Script

Published: 15-11-2014 | Author: Remy van Elst | Text only version of this article

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Table of Contents

Simple PHP script which decodes an SSL connection or certificate and displays information.

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  • Decodes CSR
  • Decodes Certificates
  • Decodes SSL Connections
  • OCSP validation
  • CRL validation
  • Full certificate chain validation.
  • Issuer validation
  • Date validation


  • PHP 5.6+
  • OpenSSL
  • PHP must allow shell_exec and remote fopen.


See htts://



Tags: csr , openssl , php , software , ssl