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freebsd-ports/security/rainbowcrack/pkg-descr
Emanuel Haupt c24ab61dd2 Add rainbowcrack 1.2, a hash cracker that precomputes plaintext -
ciphertext pairs in advance.

PR:		96664
Submitted by:	bryan@freshdns.net
2006-05-08 00:52:28 +00:00

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RainbowCrack is a general propose implementation of Philippe Oechslin's faster
time-memory trade-off technique.
In short, the RainbowCrack tool is a hash cracker. A traditional brute force
cracker tries all possible plaintexts one by one in cracking time. It is time
consuming to break complex passwords this way. The idea of time-memory trade-off
is to do all cracking time computation in advance and store the result in files
so called "rainbow table". It does take a long time to precompute the tables.
But once the one time precomputation is finished, a time-memory trade-off
cracker can be hundreds of times faster than a brute force cracker, with the
help of precomputed tables.
WWW: http://www.antsight.com/zsl/rainbowcrack/