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(Ruby) Convert PEM to JKS (Java KeyStore)

Converts a PEM containing private key(s) and certificates into a JKS (Java KeyStore) formatted file.

Chilkat Ruby Downloads

Ruby Library for Linux and MAC OS X

require 'chilkat'

#  Starting in v9.5.0.49, all Chilkat classes can be unlocked at once at the beginning of a program
#  by calling UnlockBundle.  It requires a Bundle unlock code.
chilkatGlob = Chilkat::CkGlobal.new()
success = chilkatGlob.UnlockBundle("Anything for 30-day trial.")
if (success != true)
    print chilkatGlob.lastErrorText() + "\n";
    exit
end

#  The Chilkat PEM class was introduced in v9.5.0.49.
#  It requires the bundle to be unlocked, as shown above.
pem = Chilkat::CkPem.new()

#  Load the PEM from a file.
#  If the PEM is encrypted, provide a password.  Otherwise pass an empty string for the password.
password = "myPassword"
success = pem.LoadPemFile("../myPemFiles/myPem.pem",password)
if (success != true)
    print pem.lastErrorText() + "\n";
    exit
end

#  Note: If the app already has the PEM pre-loaded in a string variable, then load it
#  by calling LoadPem instead.
pemContent = "... the PEM contents ..."
success = pem.LoadPem(pemContent,password)
#  Check for success as before..

#  Convert to a JavaKeyStore object.
#  The alias, if a non-empty string, will be applied to the 1st private key or
#  certificate.  All other keys and/or certificates will be assigned an auto-generated
#  alias.
alias = "anything_I_want_here"

#  This is the passord that will be required to access the created JKS.
jksPassword = "myJksSecret"

# jks is a CkJavaKeyStore
jks = pem.ToJks(alias,jksPassword)
if (jks == nil )
    print pem.lastErrorText() + "\n";
    exit
end

#  Save the JKS to a file.  The password passed here is used for the keyed hash of the
#  entire JKS file.  This may be different (if desired) than the password for individual private keys
#  contained within the JKS.
success = jks.ToFile(jksPassword,"../myJksFiles/myJks.jks")
if (success != true)
    print jks.lastErrorText() + "\n";
    exit
end


 

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