(DataFlex) Find Certificate for Email Encryption

Demonstrates finding the recipient's certificate in the Windows certificate store and using it to send encrypted email.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Handle hoMailman
    Variant vEmail
    Handle hoEmail
    String sRecipientEmailAddr
    Variant vCert
    Handle hoCert
    String sTemp1

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

    Get Create (RefClass(cComChilkatMailMan)) To hoMailman
    If (Not(IsComObjectCreated(hoMailman))) Begin
        Send CreateComObject of hoMailman
    End

    // Set the SMTP server.
    Set ComSmtpHost Of hoMailman To "smtp.example.com"

    // Create a new email object
    Get Create (RefClass(cComChilkatEmail)) To hoEmail
    If (Not(IsComObjectCreated(hoEmail))) Begin
        Send CreateComObject of hoEmail
    End

    Set ComSubject Of hoEmail To "This email is encrypted"
    Set ComBody Of hoEmail To "This is a digitally encrypted mail"
    Set ComFrom Of hoEmail To "Joe <joe@example.com>"
    // Emails are encrypted using the recipient's certificate.
    Move "jane@example2.com" To sRecipientEmailAddr
    Get ComAddTo Of hoEmail "Jane" sRecipientEmailAddr To iSuccess

    // Indicate that the email is to be sent encrypted.
    Set ComSendEncrypted Of hoEmail To True

    // This example demonstrates finding the email encryption certificate
    // on a Windows system where the certificate is stored in the Windows 
    // certificate store.

    Get Create (RefClass(cComChilkatCert)) To hoCert
    If (Not(IsComObjectCreated(hoCert))) Begin
        Send CreateComObject of hoCert
    End
    // The recipient's certificate is used to encrypt.
    // (Because the recipient is the only one in possession of the private key to decrypt.)
    Get ComLoadByEmailAddress Of hoCert sRecipientEmailAddr To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoCert To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Specify the certificate to be used for encryption.
    Get pvComObject of hoCert to vCert
    Get ComSetEncryptCert Of hoEmail vCert To iSuccess

    Get pvComObject of hoEmail to vEmail
    Get ComSendEmail Of hoMailman vEmail To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoMailman To sTemp1
        Showln sTemp1
    End
    Else Begin
        Showln "Encrypted Mail Sent!"
    End



End_Procedure