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- Mathematically Interesting - But Practical?
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Among all of the hype of this news, the limitations of the attacks seem pretty severe (though the descriptions have been minimal).
Getting collisions in hash functions is a variant on the birthday problem and is inevitable - after all, it is a "hash" and therefore will have collisions.
Getting controlled collisions (i.e. substituting the hash of something sensible for the hash of something else - which in real-life also needs to be sensible) - is a completely different and much harder problem.
Wake me up when the latter occurs.
Steven Davis
ceo@secureplay.com
http://www.secureplay.com - Posted by: secureplay_z Posted on: 08/18/04 You are currently: a Guest | Members login | Terms of Use
I could be wrong but....
computer_man | 08/17/04
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here's a tool to hack MD5 and SHA1
+-Chris-+ | 08/17/04
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Dictionary attacks
John Carroll  | 08/18/04
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Mathematically Interesting - But Practical?
secureplay_z | 08/18/04
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Impracitcal?
wresnick | 08/18/04
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More to Authentication Systems Than Hash Functions
secureplay_z | 08/19/04
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word.
feralchimp | 08/19/04
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Plagiarist!!
dangermouse1956 | 08/19/04
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All Roads Lead To Rome
catgic | 08/19/04
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What do you think?
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