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(PowerBuilder) Change Password for Java KeyStore File

Demonstrates how to load a Java keystore, change the password, and save using the new password. If the Java keystore contains only trusted root certificates, then it's simply a matter of loading the JKS with the existing password, and then saving with a new password. If the JKS contains private key entries, then each private key entry must be re-keyed using the new password by calling the ChangePassword method.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

integer li_rc
oleobject loo_Jks
string ls_OldJksPassword
string ls_NewJksPassword
string ls_JksPath
integer li_Success
integer li_NumPrivateKeys
integer i

//  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_9_5_0.JavaKeyStore")
if li_rc < 0 then
    destroy loo_Jks
    MessageBox("Error","Connecting to COM object failed")
    return
end if

ls_OldJksPassword = "existingPassword"
ls_NewJksPassword = "newPassword"
ls_JksPath = "/someDir/keyStore.jks"

//  Load the Java keystore from a file.
li_Success = loo_Jks.LoadFile(ls_OldJksPassword,ls_JksPath)
if li_Success <> 1 then
    Write-Debug loo_Jks.LastErrorText
    destroy loo_Jks
    return
end if

//  If the JKS contains private key entries, then each
//  must be re-keyed with the new password by calling ChangePassword.
li_NumPrivateKeys = loo_Jks.NumPrivateKeys

i = 0
do while i < li_NumPrivateKeys

    li_Success = loo_Jks.ChangePassword(i,ls_OldJksPassword,ls_NewJksPassword)
    if li_Success <> 1 then
        Write-Debug loo_Jks.LastErrorText
        destroy loo_Jks
        return
    end if

    i = i + 1
loop

//  Write the JKS using the new password for the JKS file's keyed digest.
li_Success = loo_Jks.ToFile(ls_NewJksPassword,ls_JksPath)
if li_Success <> 1 then
    Write-Debug loo_Jks.LastErrorText
    destroy loo_Jks
    return
end if

Write-Debug "Updated the password for the Java keystore file."


destroy loo_Jks

 

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