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I believe that you are talking about one specific version of EKE, which is one of several known Password authenticated key agreement methods (which is the general category of methods that do a key agreement with the property that someone listening into the exchange can't learn anything, and an attacker that poses as one of the two sides can learn no more ...

Rainbow tables can be used with words out of a dictionary rather than letters out of a charset. The ophcrack vista liveCD is an example. In contains two dictionaries and tries combinations of words as well as modifications. For example the main dictionary contains "house" and "boat" and the second dictionary has "2010" "2011" "january". It will then ...

Brute forcing the password, since no useful cryptanalysis of ICE is known. I'm really more of a theory guy, so I don't know of any tools for this, but there are some resources that I've found. http://security.stackexchange.com/questions/1376/where-can-i-find-good-dictionaries-for-dictionary-attacks answers its title's question, and ...

Based on the comments, it sounds like you know all the requirements/restrictions on the key. One thing that is not clear is if you have a good way of determining if a trial decryption resulted in the proper plaintext. This is usually not a difficult requirement as most data has some structure you could look for. Another important piece of information you are ...