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(Perl) Convert Java KeyStore to PEMLoads a Java keystore file and saves the trusted certificate entries to a PEM file.
use chilkat(); # This requires the Chilkat API to have been previously unlocked. # See Global Unlock Sample for sample code. $jks = chilkat::CkJavaKeyStore->new(); $jksPassword = "myJksPassword"; # Load the Java keystore from a file. The JKS file password is used # to verify the keyed digest that is found at the very end of the keystore. # It verifies that the keystore has not been modified. $success = $jks->LoadFile($jksPassword,"/someDir/keyStore.jks"); if ($success != 1) { print $jks->lastErrorText() . "\r\n"; exit; } # Open/create the output PEM file. # This example uses Chilkat's file access class for writing the output file. # You may replace the file I/O lines of code with whatever is most convenient for you. $fac = chilkat::CkFileAccess->new(); $success = $fac->OpenForWrite("/pemFiles/caCerts.pem"); if ($success != 1) { print $fac->lastErrorText() . "\r\n"; exit; } $numCerts = $jks->get_NumTrustedCerts(); # Iterate over the trusted certs, get the PEM for each, # and append it to the output file. $i = 0; while ($i < $numCerts) { # cert is a Cert $cert = $jks->GetTrustedCert($i); # Get the certificate in PEM format. $pem = $cert->exportCertPem(); # Append the PEM string to the open file. # The PEM contains only us-ascii chars.. $success = $fac->AppendAnsi($pem); if ($success != 1) { print $fac->lastErrorText() . "\r\n"; exit; } $i = $i + 1; } # Close the output file. $fac->FileClose(); print "Trusted certificates saved to PEM." . "\r\n"; |
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