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PureBasic Requires Chilkat v11.0.0+

Convert PEM to JKS (Java KeyStore)

See more PEM Examples

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

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

Procedure ChilkatExample()

    success.i = 0

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

    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 = CkPem::ckLoadPemFile(pem,"../myPemFiles/myPem.pem",password)
    If success = 0
        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 = CkJavaKeyStore::ckCreate()
    If jks.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkPem::ckToJksObj(pem,alias,jksPassword,jks)
    If success = 0
        Debug CkPem::ckLastErrorText(pem)
        CkPem::ckDispose(pem)
        CkJavaKeyStore::ckDispose(jks)
        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 = 0
        Debug CkJavaKeyStore::ckLastErrorText(jks)
        CkPem::ckDispose(pem)
        CkJavaKeyStore::ckDispose(jks)
        ProcedureReturn
    EndIf



    CkPem::ckDispose(pem)
    CkJavaKeyStore::ckDispose(jks)


    ProcedureReturn
EndProcedure