I need to implement 256 bit AES encryption, but all the examples I have found online use a “KeyGenerator” to generate a 256 bit key, but I would like to use my own passkey. How can I create my own key? I have tried padding it out to 256 bits, but then I get an … Read more
Which of them are preferred in which circumstances? I’d like to see the list of evaluation crtieria for the various modes, and maybe a discussion of the applicability of each criterion. For example, I think one of the criteria is “size of the code” for encryption and decryption, which is important for micro-code embedded systems, … Read more
InvalidKeyException Illegal key size
