PowerBuilder

Load Java KeyStore and Access Contents

See more Java KeyStore (JKS) Examples

Loads a Java keystore file and iterates over the contents. A Java keystore (.jks) file can contain one or more trusted root certificate entries and/or one or more private key entries. Each private key entry includes an associated certificate chain. PowerBuilder

integer li_rc
integer li_Success
oleobject loo_Jks
integer li_NumTrustedCerts
integer li_NumPrivateKeys
oleobject loo_Cert
string ls_Alias
integer i
oleobject loo_PrivKey
oleobject loo_CertChain

li_Success = 0

// This requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

loo_Jks = create oleobject
li_rc = loo_Jks.ConnectToNewObject("Chilkat.JavaKeyStore")
if li_rc < 0 then
    destroy loo_Jks
    MessageBox("Error","Connecting to COM object failed")
    return
end if

// 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 there has been no tampering with the file.
li_Success = loo_Jks.LoadFile("jksFilePassword","/someDir/keyStore.jks")
if li_Success = 0 then
    Write-Debug loo_Jks.LastErrorText
    destroy loo_Jks
    return
end if

// Find out how many of each type of entry:
li_NumTrustedCerts = loo_Jks.NumTrustedCerts
li_NumPrivateKeys = loo_Jks.NumPrivateKeys

loo_Cert = create oleobject
li_rc = loo_Cert.ConnectToNewObject("Chilkat.Cert")

// For each trusted certificate, access it by getting
// it as a cert object.  Also get the alias associated with the certificate.
Write-Debug "Trusted Certs:"
i = 0
do while i < li_NumTrustedCerts
    li_Success = loo_Jks.TrustedCertAt(i,loo_Cert)
    Write-Debug loo_Jks.GetTrustedCertAlias(i) + ": " + loo_Cert.SubjectDN
    i = i + 1
loop

loo_PrivKey = create oleobject
li_rc = loo_PrivKey.ConnectToNewObject("Chilkat.PrivateKey")

loo_CertChain = create oleobject
li_rc = loo_CertChain.ConnectToNewObject("Chilkat.CertChain")

// For each private key entry, get the private key and
// the associated certificate chain.
// Each private key is password protected.  Usually it is the same
// password as used for the keyed digest of the entire JKS.  
// However, this does not have to be.  The password is passed
// here to handle the possibility of each private key requiring
// a different password.
Write-Debug "Private Keys:"
i = 0
do while i < li_NumPrivateKeys
    loo_Jks.PrivateKeyAt("jksFilePassword",i,loo_PrivKey)
    Write-Debug loo_Jks.GetPrivateKeyAlias(i)
    loo_Jks.CertChainAt(i,loo_CertChain)

    // The 1st certificate in the chain is the one associated with the private key.
    loo_CertChain.CertAt(0,loo_Cert)
    Write-Debug loo_Cert.SubjectDN

    i = i + 1
loop


destroy loo_Jks
destroy loo_Cert
destroy loo_PrivKey
destroy loo_CertChain