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kmillerAtHRS
Starting Member
1 Post |
 Posted - 2008-09-12 : 01:48:40
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| I have a table with hashed data. When I query against the hashed data using a hashed value, and also use a wildcard, it works fine. example: select * from table where hashedfieldname like '% hashed value%'However, if I take that same hashed value and remove the last character (before hashing it), and run the same query, I get no results. Does anyone have an idea how I can query hashed data using wildcard characters? |
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SwePeso
Patron Saint of Lost Yaks
30421 Posts |
Posted - 2008-09-12 : 02:22:57
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You can't.The reason for using a hash is that you can't "unhash" the hash to see the original text.
E 12°55'05.63"N 56°04'39.26" |
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querying encrypted data w/ wildcards