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DataFlex Examples

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(DataFlex) Load Java KeyStore and Access Contents

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.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoJks
    Boolean iSuccess
    Integer iNumTrustedCerts
    Integer iNumPrivateKeys
    Variant vCert
    Handle hoCert
    String sAlias
    Integer i
    Variant vPrivKey
    Handle hoPrivKey
    Variant vCertChain
    Handle hoCertChain
    String sTemp1
    String sTemp2

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

    Get Create (RefClass(cComChilkatJavaKeyStore)) To hoJks
    If (Not(IsComObjectCreated(hoJks))) Begin
        Send CreateComObject of hoJks
    End

    //  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.
    Get ComLoadFile Of hoJks "jksFilePassword" "/someDir/keyStore.jks" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoJks To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    //  Find out how many of each type of entry:
    Get ComNumTrustedCerts Of hoJks To iNumTrustedCerts
    Get ComNumPrivateKeys Of hoJks To iNumPrivateKeys

    //  For each trusted certificate, access it by getting
    //  it as a cert object.  Also get the alias associated with the certificate.
    Showln "Trusted Certs:"
    Move 0 To i
    While (i < iNumTrustedCerts)
        Get ComGetTrustedCert Of hoJks i To vCert
        If (IsComObject(vCert)) Begin
            Get Create (RefClass(cComChilkatCert)) To hoCert
            Set pvComObject Of hoCert To vCert
        End
        Get ComGetTrustedCertAlias Of hoJks i To sTemp1
        Get ComSubjectDN Of hoCert To sTemp2
        Showln sTemp1 ": " sTemp2
        Send Destroy of hoCert
        Move i + 1 To i
    Loop

    //  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.
    Showln "Private Keys:"
    Move 0 To i
    While (i < iNumPrivateKeys)
        Get ComGetPrivateKey Of hoJks "jksFilePassword" i To vPrivKey
        If (IsComObject(vPrivKey)) Begin
            Get Create (RefClass(cComChilkatPrivateKey)) To hoPrivKey
            Set pvComObject Of hoPrivKey To vPrivKey
        End
        Get ComGetPrivateKeyAlias Of hoJks i To sTemp1
        Showln sTemp1
        Get ComGetCertChain Of hoJks i To vCertChain
        If (IsComObject(vCertChain)) Begin
            Get Create (RefClass(cComChilkatCertChain)) To hoCertChain
            Set pvComObject Of hoCertChain To vCertChain
        End

        //  The 1st certificate in the chain is the one associated with the private key.
        Get ComGetCert Of hoCertChain 0 To vCert
        If (IsComObject(vCert)) Begin
            Get Create (RefClass(cComChilkatCert)) To hoCert
            Set pvComObject Of hoCert To vCert
        End
        Get ComSubjectDN Of hoCert To sTemp1
        Showln sTemp1

        Send Destroy of hoCert
        Send Destroy of hoCertChain
        Send Destroy of hoPrivKey
        Move i + 1 To i
    Loop



End_Procedure

 

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