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I’m looking for a fast and secure cryptography algorithm with C# implementation. I need to be able to restore the initial message. What could you suggest?
Thank you for your help!
If you need asymmetric encryption, use 2048-bits RSA.
If you can get away with symmetric encryption, use 256-bit AES.
MSDN Reference:
System.Security.Cryptography
RSACryptoServiceProvider
AesCryptoServiceProvider
You can read about the difference between them here: Symmetric versus Asymmetric.