Friday, March 12, 2010

Rainbow Cracking - MD2, MD4, MD5, SHA1,L1

RainbowCrack is a computer program which generates rainbow tables to be used in password cracking. RainbowCrack differs from "conventional" brute force crackers in that it uses large pre-computed tables called rainbow tables to reduce the length of time needed to crack a password drastically. RainbowCrack was developed by Zhu Shuanglei, and implements an improved time-memory trade-off cryptanalysis attack which originated in Philippe Oechslin's Ophcrack.
As RainbowCrack's purpose is to generate rainbow tables and not to crack passwords per-se, some organizations have endeavored to make RainbowCrack's rainbow tables available free over the internet.

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