Application #100. Encrypt and Decrypt Data

This sample application shows you how to encrypt and decrypt data using symmetric encryption, in which you and your recipient use the same key both to encrypt and to decrypt the data. The application lets you load a document, create a key, encrypt the document, and decrypt the document. You can choose between two popular encryption standards: Rijndael and TripleDES.

Building Upon...

Application #73: Read From and Write To a Text File

New Concepts

When you need to transmit data securely, one useful option is to encrypt it. Encrypting ensures that the data remains confidential, protects it from being altered, and helps to assure the recipient that it truly originated from you. Private-key encryption, ...

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