On Thu, Sep 15, 2011 at 8:54 AM, jos van kesteren <[email protected]>wrote:
> Dear fellow fossil-users ? > > As we all know, SHA1 and its successor algorithms are specifically > designed to make collisions > not just improbable, but very very very improbable. > Using the "birthday paradox", I calculated last year that for the SQLite repository, if it continues to change and evolve at the same rate it has for the previous 10 years, will encounter its first SHA1 collision in approximately 3.6e20 years - or about 26 billion times longer than the current estimate for the age of the universe. By that point, the SQLite repository database file will have grown to about 5e28 bytes or about 5 million billion terabytes. -- D. Richard Hipp [email protected]
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