August 2003
Beginner to intermediate
600 pages
12h 57m
English
Content preview from Microsoft® .NET Compact Framework Kick Start
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Encrypting and Decrypting Data by Using a Password
Encrypting and decrypting data is achieved by calling CryptEncrypt and CryptDecrypt. These two functions require as an input a handle to a key that is used for encrypting or decrypting the data. The easiest way to get a handle to a key is to derive one using a password. This section discusses how to perform encryption and decryption by deriving the keys with passwords.
The simplest way to perform encryption and decryption with a password is to use the ManagedCryptoAPI class to do all of the work for you. To encrypt data using a password as the encryption key, follow these steps:
1. | Acquire an instance of the ManagedCryptoAPI class. |
2. | Acquire byte arrays for text to encrypt and acquire the text ... |
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