Neeraj Singhal <nsinghal@india-today.com> asked: >how can I get more information about various key lengths >like 56 bit , 1024 bits and their respective strength. http://www.geocities.com/tnotary/spckeysize.html has a comparison; the equivalence ratios between other symmetric keys (idea,cast5,rijndael) and asymmetric public keys (DH/ElGamal, RSA) are similar.