James J M 1-Feb-17 12:42 1-Feb-17 12:42 Although this solution is wonderful for a myriad of reasons, I don't think it addresses encryption of file names, per se. In addition to encrypting a file, it would (often) make sense to encrypt the name, as well. The problem is.NET doesn't like writing files with names that exceed 260 characters in length and it is not immediately clear how to work around this. The method you defined to encrypt a regular string is what I would use to encrypt a file name; however, if the name becomes too long, it will fail every time Do you have any ideas for a workaround? Edit: After some searching around, I found these awesome helper classes for working with really long names: []. Line Rider 2 Chip.

Encrypt and Decrypt a String in c#. D587-4068-8630-94f4fb2a2aeb/encrypt-and-decrypt-a-string-in-c?forum=csharpgeneral Question 17. The following EncryptFile and DecryptFile methods encrypt or decrypt files at a very high level. // Encrypt or decrypt a file, saving the results in another file. AES encryption on large files. But my problem is since the file is very. Encrypt a file using File.Encrypt and then Decrypt it to memory stream. And it is usable for encrypting and decrypting io streams. Install in your project with nuget.

Kilofafeure2 5-Sep-11 2:19 5-Sep-11 2:19 Hi, with your code I've understood better the AES, but when I'm trying to do it work (when I try to decrypt) I ever obtain a value of Nothing. I've debugged and I obtain it on this line: cs.Close() Any idea why can this happen? I did create an aspx to check the encrypt and decrypt and there it works fine (I've my DB examples encripted). The problems has come when I've made the call to the function since a web method. Any idea why and how to solve it?

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