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Ruby Examples

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(Ruby) Get Certificates from .p12 / .pfx

A PKCS12 (.p12 / .pfx) is a container for holding a certificate, its private key, and the certs in the chain of authentication up to and possibly including the root CA cert. A .p12 is not required to contain certain things. It will contain whatever the creator of the .p12 decided to include. It's possible to contain just a private key, just a cert, many certs without private keys, or many certs with many private keys. Usually, a .p12 contains one certificate, its associated private key, and certificates in the chain of authentication.

Chilkat Ruby Downloads

Ruby Library for Linux and MAC OS X

require 'chilkat'

pfx = Chilkat::CkPfx.new()

success = pfx.LoadPfxFile("qa_data/pfx/test.pfx","pfx_password")
if (success == false)
    print pfx.lastErrorText() + "\n";
    exit
end

# Iterate over the certs contained in the PFX
numCerts = pfx.get_NumCerts()
i = 0
while i < numCerts
    # cert is a CkCert
    cert = pfx.GetCert(i)

    print "--- " + i.to_s() + " ---" + "\n";
    print cert.subjectDN() + "\n";
    # Is this a root cert, or self-signed?
    print "Root: " + cert.get_IsRoot().to_s() + "\n";
    print "Self-Signed: " + cert.get_SelfSigned().to_s() + "\n";

    # If this certificate is not the root (self-signed), then get the issuer.
    # If the issuing certificate is contained in the PFX, then it will be found here..
    if (cert.get_SelfSigned() != true)
        # issuer is a CkCert
        issuer = cert.FindIssuer()
        if (cert.get_LastMethodSuccess() == false)
            print "Issuer not found." + "\n";
        else
            print "Issuer: " + issuer.subjectDN() + "\n";

        end

    end

    i = i + 1
end

# Usually, the user certificate is at index 0, its issuer is at index 1, etc. until we get to the root certificate.

 

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