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need decrypt method

 
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can anyone provide decrypt for the below encrypt method.


[ Edited to use code tags - Paul Sturrock ]
[ November 20, 2006: Message edited by: Paul Sturrock ]
 
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SHA is a one-way hash function, the point of which is that working it backwards is (should be) impossible, or at least more difficult than is worth the effort.
Check out:
http://en.wikipedia.org/wiki/Cryptographic_hash_function
and:
http://en.wikipedia.org/wiki/One_way_function
for an explanation of cryptographic hash and one-way functions respectively.
 
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