(PureBasic) Transition from Crypt2.GetSignerCert to Crypt2.LastSignerCert

Provides instructions for replacing deprecated GetSignerCert method calls with LastSignerCert.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat PureBasic Module Download Chilkat PureBasic Module

IncludeFile "CkCrypt2.pb"
IncludeFile "CkCert.pb"

Procedure ChilkatExample()

    crypt2.i = CkCrypt2::ckCreate()
    If crypt2.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    ; ...
    ; ...
    index.i = 0

    ; ------------------------------------------------------------------------
    ; The GetSignerCert method is deprecated:

    certObj.i = CkCrypt2::ckGetSignerCert(crypt2,index)
    If CkCrypt2::ckLastMethodSuccess(crypt2) = 0
        Debug CkCrypt2::ckLastErrorText(crypt2)
        CkCrypt2::ckDispose(crypt2)
        ProcedureReturn
    EndIf

    ; ...
    ; ...

    CkCert::ckDispose(certObj)

    ; ------------------------------------------------------------------------
    ; Do the equivalent using LastSignerCert.
    ; Your application creates a new, empty Cert object which is passed 
    ; in the last argument and filled upon success.

    certOut.i = CkCert::ckCreate()
    If certOut.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success.i = CkCrypt2::ckLastSignerCert(crypt2,index,certOut)
    If success = 0
        Debug CkCrypt2::ckLastErrorText(crypt2)
        CkCrypt2::ckDispose(crypt2)
        CkCert::ckDispose(certOut)
        ProcedureReturn
    EndIf



    CkCrypt2::ckDispose(crypt2)
    CkCert::ckDispose(certOut)


    ProcedureReturn
EndProcedure