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Does anyone know if C# can be used in .NET Framework 2.0 to use AES 256 encryption and decryption? Appreciate if the in-built framework supports this or if we have to use any external APIs for the same?
Thanks.
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AES-256 is definitely secure for file storage. The only weakness is the key that you choose. As long as you choose a strong key for it, AES-256 will keep your files safe. According to this Wikipedia page, the best attack on AES was published in 2011 and to break AES-256, it still required 2^254.4 operations.
AES Encryption offers good performance and a good level of security. AES Encryption is a symmetric cipher and uses the same key for encryption and decryption.
Have a look at the System.Security.Cryptography namespace. It contains classes you can use for AES encryption, such as the Rijndael class.
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