Here, we'll go over how to use the Advanced Encryption Standard (AES) symmetric encryption algorithm to encrypt the SQLite DB file in.NET C#. The encryption will be carried out from the sender using a key and IV (initialization vector). The same key will be used by the receiver to decode the data on the other end.
IV is a pseudo-random value multiple times encrypting the plain text, IV size typically 16 bytes (128 bits). AES supports different key sizes like 128 bits, 192 bits, and 256 bits. Hash key using SHA256 method example is given here.
Using Security.Cryptography library AES encryption encryption is handled, and CryptographicException is used for Exception handling. SHA256CryptoServiceProvider is used to get the hash key.
Using the FileStream class, an Encrypted SQLite DB file will be created.
Output
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