(Ruby) Load PKCS12 / PFX and Access Contents

Loads a PKCS12 / PFX file and iterates over the contents which include private keys and certificates.

Chilkat Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

pfx = Chilkat::CkPfx.new()

# Load the PKCS12 from a file
success = pfx.LoadPfxFile("/someDir/my.p12","pfxFilePassword")
if (success != true)
    print pfx.lastErrorText() + "\n";
    exit
end

numPrivateKeys = pfx.get_NumPrivateKeys()

print "Private Keys:" + "\n";

i = 0
while i < numPrivateKeys
    # privKey is a CkPrivateKey
    privKey = pfx.GetPrivateKey(i)

    # Do something with the private key ...

    i = i + 1
end

numCerts = pfx.get_NumCerts()

print "Certs:" + "\n";
i = 0
while i < numCerts
    # cert is a CkCert
    cert = pfx.GetCert(i)
    print cert.subjectDN() + "\n";

    # If the certificate has a private key (one of the private keys within the PFX)
    # then it can also be obtained via the certificate object:
    if (cert.HasPrivateKey() == true)

        print "Has private key!" + "\n";

        # privKey is a CkPrivateKey
        privKey = cert.ExportPrivateKey()
        # ...

    end

    i = i + 1
end