(PureBasic) Convert PEM to JKS (Java KeyStore)

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

Chilkat PureBasic Module Download Chilkat PureBasic Module

IncludeFile "CkPem.pb"
IncludeFile "CkJavaKeyStore.pb"

Procedure ChilkatExample()

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

    ; The Chilkat PEM class was introduced in v9.5.0.49.  
    ; It requires the bundle to be unlocked, as shown above.
    pem.i = CkPem::ckCreate()
    If pem.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    ; Load the PEM from a file.
    ; If the PEM is encrypted, provide a password.  Otherwise pass an empty string for the password.
    password.s = "myPassword"
    success.i = CkPem::ckLoadPemFile(pem,"../myPemFiles/myPem.pem",password)
    If success <> 1
        Debug CkPem::ckLastErrorText(pem)
        CkPem::ckDispose(pem)
        ProcedureReturn
    EndIf

    ; Note: If the app already has the PEM pre-loaded in a string variable, then load it 
    ; by calling LoadPem instead.  
    pemContent.s = "... the PEM contents ..."
    success = CkPem::ckLoadPem(pem,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.s = "anything_I_want_here"

    ; This is the passord that will be required to access the created JKS.
    jksPassword.s = "myJksSecret"
    jks.i = CkPem::ckToJks(pem,alias,jksPassword)
    If CkPem::ckLastMethodSuccess(pem) = 0
        Debug CkPem::ckLastErrorText(pem)
        CkPem::ckDispose(pem)
        ProcedureReturn
    EndIf

    ; 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 = CkJavaKeyStore::ckToFile(jks,jksPassword,"../myJksFiles/myJks.jks")
    If success <> 1
        Debug CkJavaKeyStore::ckLastErrorText(jks)
        CkPem::ckDispose(pem)
        ProcedureReturn
    EndIf

    CkJavaKeyStore::ckDispose(jks)



    CkPem::ckDispose(pem)


    ProcedureReturn
EndProcedure