Instructions/Info
How to run it

Paste an encoded Certificate or Certificate chain into the input box and click Show Cert.

Encoded Certificates look like:

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

What it shows

ShowCert displays the contents of the Certificate you entered, for example:

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number: 14606606025021484805 (0xcab516ca677c6f05)
    Signature Algorithm: sha256WithRSAEncryption
        Issuer:
            countryName               = US
            stateOrProvinceName       = Ohio
            localityName              = Cincinnati
            organizationName          = your company name here
            commonName                = yourdomain.com
            emailAddress              = you@yourdomain.com
        Validity
            Not Before: Mar 11 13:41:02 2017 GMT
            Not After : Apr 10 13:41:02 2017 GMT
        Subject:
            countryName               = US
            stateOrProvinceName       = Ohio
            localityName              = Cincinnati
            organizationName          = your company name here
            commonName                = yourdomain.com
            emailAddress              = you@yourdomain.com

Input Fields
ShowCert parameter entry
Test Results

Test results will show here when a test is run.