I want to use decrypt in the PrintText function but i am getting an error when the program is running ?? any help will be appreciated public static string Decrypt(string ciphertext, string passph ...

Hey guys, I'm green as a banana leaf but still have some basic coding under my belt. I'm a psychologist and need to make sure all my patients files (thousands of them) have password protection as they office 2007 and later. I'm trying ...

When using forms authentication, it generates a ticket that is stored in a cookie on the clients web browser. This ticket also has the userID or username of the currently logged in user, all encrypted ofcourse. How easy/hard is it to de ...

hello guys. i have a problem that is caused when encrypting an array of objects then storing them in a binary form to a file and reading it back. i know its simple but i don't know the reason for this problem. I'm using xor for encryption a ...

salam guyz! i made an encryption method to encrypt a text file ( first it store all the characters in a byte array) but now i want to encrypt and unreadable my access.mdb database file, now how??? please show me or guide me with using a ...

Wrote myself a small password management utility that is supposed to support encryption of a master password file. Everything seems to work fine, and no exceptions are thrown during the entire encrypt/decrypt operation. However upon trying ...

Hi friends. The headline kinda says what needs to be said. it is all working fine exept that the decrypted file is containing rubbish. and wierdly enough it is smaller than the plaintext and cipher? Thanks for your help :) EDIT: I ...

Hi guys! I previously asked a question about .NET AES encryption where my problem was concerning support for very lare files. This couldn't really be overcome and upon that i have encountered even more problems like i need implementation ...

Hey guys! I'm doing some encryption fun in an application, and had a problem. I simply want to encrypt a file. so there is a input file and an outputfile. now i dont want to load the whole file into mem, since i want to support very larg ...

Ok, I'm trying to use Rijndael to do some block encryption. Encryption seems to be working fine, but decryption is presenting very, very odd behavior which makes no sense. Here's my code: [code] public static void UnitTest_Rijndael ...