What encryption algorithm is best for encrypting cookies?
Since this question is rather popular, I thought it useful to give it an update. Let me emphasise the correct answer as given by AviD to this question: You should not store any data that needs encrypting in your cookie. Instead, store a good sized (128 bits/16 bytes) random key in the cookie and store the information you want to keep secure on the server, identified by the cookie's key. I'm looking for information about 'the best' encryption algorithm for encrypting cookies. I hava the following requirements: It must be fast encrypting and decrypting the data will be done for (nearly) every