Re: cipher program ... > Both the program code and the cipher are, well, atrocious. ... > Determining that 16 bits of entropy is all the passphrase does. ... >> might be achieved with a more complex algorithm,... > It's periodic XOR with a fixed period of 2^16 bytes. ... (sci.crypt)
Re: content rather than key? ... For such an algorithm to work, ... you'd have to limit the possible input passwords... it would increase the entropy of a string in the same ... It doesn't seem stupid to me. ... (sci.crypt)
Re: content rather than key? ... For such an algorithm to work, ... > would simply loop through all the possible passwords,... it would increase the entropy of a string in the same ... > and there are easier ways of throwing randomness into an algorithm. ... (sci.crypt)
Re: Card Shuffling ... It is possible to create pseudo entropy wheter you like it or not. ...borrowing a byte now and then from the plaintext and using subkeys, ... "borrowed entropy" and then rehash the shuffle algorithm with the ... > need to terminate in any finite number of steps, ... (sci.crypt)