January 22, 2002
Practical Aspects of Modern Cryptography
39
Block Ciphers in Use Today
nDES is not secure
nDES can be brute-forced (2^56 operations)
nIn January 1998, a combination of the EFF DES Cracker and distributed.net brute-forced a challenge in less than 24 hours
nToday, the common choices are:
nTriple-DES (two-key or three-key)
nAES (Rijndael)