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DataFlex Examples

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(DataFlex) SFTP use Cert's Private Key from PFX (.pfx/.p12)

Demonstrates how to use the private key associated with a certificate from a .pfx/.p12 file.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoCert
    String sPfxFilepath
    String sPfxPassword
    Boolean iSuccess
    Variant vPrivKey
    Handle hoPrivKey
    String sPrivKeyPem
    Variant vSshKey
    Handle hoSshKey
    Handle hoSftp
    String sTemp1
    Boolean bTemp1

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

    Get Create (RefClass(cComChilkatCert)) To hoCert
    If (Not(IsComObjectCreated(hoCert))) Begin
        Send CreateComObject of hoCert
    End

    Move "qa_data/pfx/my.pfx" To sPfxFilepath
    Move "secret" To sPfxPassword

    // A PFX typically contains certificates in the chain of authentication.
    // The Chilkat cert object will choose the certificate w/
    // private key farthest from the root authority cert.
    // To access all the certificates in a PFX, use the 
    // Chilkat certificate store object instead.
    Get ComLoadPfxFile Of hoCert sPfxFilepath sPfxPassword To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoCert To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Get the private key.  
    Get ComExportPrivateKey Of hoCert To vPrivKey
    If (IsComObject(vPrivKey)) Begin
        Get Create (RefClass(cComChilkatPrivateKey)) To hoPrivKey
        Set pvComObject Of hoPrivKey To vPrivKey
    End
    Get ComLastMethodSuccess Of hoCert To bTemp1
    If (bTemp1 = False) Begin
        Get ComLastErrorText Of hoCert To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComGetPkcs8Pem Of hoPrivKey To sPrivKeyPem
    Get ComLastMethodSuccess Of hoPrivKey To bTemp1
    If (bTemp1 = False) Begin
        Get ComLastErrorText Of hoPrivKey To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get Create (RefClass(cComChilkatSshKey)) To hoSshKey
    If (Not(IsComObjectCreated(hoSshKey))) Begin
        Send CreateComObject of hoSshKey
    End
    Get ComFromOpenSshPrivateKey Of hoSshKey sPrivKeyPem To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoSshKey To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Connect to an SSH/SFTP server
    Get Create (RefClass(cComChilkatSFtp)) To hoSftp
    If (Not(IsComObjectCreated(hoSftp))) Begin
        Send CreateComObject of hoSftp
    End
    Get ComConnect Of hoSftp "sftp.example.com" 22 To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoSftp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Authenticate with the SSH server using a username + private key.
    // (The private key serves as the password.  The username identifies
    // the SSH user account on the server.)
    Get pvComObject of hoSshKey to vSshKey
    Get ComAuthenticatePk Of hoSftp "mySshLogin" vSshKey To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoSftp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Showln "OK, the connection and authentication with the SSH server is completed."

    // This example is only to show the connection + authentication using a private key associated with a certificate in the Windows certificate store...


End_Procedure

 

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