E-Mail Encryption for Outlook 2000 Using COM Add-in
Microsoft Office 2000, which is one of the widely used desktop applications, provides the solution provider the privilege for extending the capabilities of Office applications. Outlook 2000 supports COM Add-in, which extends the capabilities of an application in a tightly integrated way by taking advantage of that application’s extensibility model, for this purpose. The security measures like digital ID or private /public-key pair that are implemented for the E-mail security is cumbersome to setup and is complicate for an average user to understand. So to make the task more users friendly, the encryption of the E-mails using only public key, which can be a password, is recommended.
In this article we have covered how a COM Add-in can be written so that it enhance the security of emails send from the outlook 2000 by providing a security option which enables the user to encrypt and decrypt the emails using password as the key. These passwords may be decided between the parties over the phone or some communication channels.
COM Add-in is a technology introduced by Microsoft to help the developers to extend the already rich functionality found in the office applications. COM add-ins are DLLs or EXEs that are specially registered so they can be loaded by Office 2000 applications at startup. More tech-nically, a COM add-in for Office 2000 is any in-process or out-of-process COM object that implements the IDT-Exten-sibility2 interface and is set up properly in the registry. COM add-ins are compatible across all Microsoft Office products. This support across all Office products means you can write your add-in once, and then use the add-in in not only Outlook but also other Office products....
