Advancements in TMTOs
Date: December 2012
Publication: Passwords^12 (Passwords12)
Source 1: http://passwords12.at.ifi.uio.no/Steve_Thomas_Advancements_in_TMTO_Passwords12.pdf
Abstract or Summary:
Philippe Oechslin introduced the concept of rainbow tables as a form of Time-Memory Trade-Off (TMTO) where password guesses and their respective hashes would be calculated in advance and stored, then used to search for hash matches when passwords needed to be cracked. Since his paper in 2003 improvements have been made in storing this data to speed up the lookup process, including Lossy Hash Tables (LHTs), Chained Tables, and Perfect Hellman Tables.
PasswordResearch.com Note: Video of presentation: https://www.youtube.com/watch?v=Lu5QgCwZkcQ
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