4 ms·
The original version of DES was called Lucifer and used a 128 bit key. http://en.wikipedia.org/wiki/Lucifer_(cipher) http://en.wikipedia.org/wiki/Lucifer_(ciphe
by EthanHeilman 13y ago
The original version of DES was called Lucifer and used a 128 bit key. http://en.wikipedia.org/wiki/Lucifer_(cipher) http://en.wikipedia.org/wiki/Lucifer_(cipher)
The NSA choose the key size of DES since they were running the process (making DES 256 times weaker than a 64 bit key).