I want to encrypt an existing column in SQL Server 2005, using an UPDATE statement, moving the old content into the new encrypted column.
I need the username/password to be scrambled at the client-side before sending it over via HTTP GET/POST. And the server will decode it with Tcl, before the checks against database.
I found an example for en/decoding strings in PHP. At first it looks very good but it wont work :-( Does anyone know what the problem is?
I\'m in a situation where I need to encrypt / decrypt a file of n length securely, ideally using Rijndael, but definitely at 256bit encryption.
I have the need to calculate the size of a file I am encrypting using Rijndael. According to other answers on this site, and on google, the following is the correct way of calculat开发者_如何学Going
I\'m trying to move away from using CAPICOM since I can no longer use it (64-bit Windows 7 machine). The existing code for using TripleDES is like this:
My constants public static final String AES_ALGORITHM_MODE_PADDING = \"AES/CBC/PKCS5Padding\"; public static final String AES = \"AES\";
I have made a small program that will allow me to send licenses in encrypted form to users. At the moment I have
Our clients开发者_开发问答 call our web service over SSL and authenticate themselves with a username and password. Our server then generates a symmetric key and sends it back to the client.
I need an algorithm that can do a one-to-one mapping (ie. no collision) of a 32-bit signed integer onto another 32-bit signed integer.
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