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A comment on Ask HN: Is security by obfuscation sufficient?. Parent comment

Re:Ask HN: Is security by obfuscation sufficient? by mooism2 on Monday November 16, 2009 @02:43PM (#945124)
Or create an md5 (or sha1) hash of the file. (Salted, unless you want people to use you as a rainbow table --- I would salt it with the content type.)
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Re:Ask HN: Is security by obfuscation sufficient? by cperciva on Monday November 16, 2009 @03:39PM (#945244)
Salted, unless you want people to use you as a rainbow table --- I would salt it with the content type.

Go read http://en.wikipedia.org/wiki/Salt_(cryptography) and come back once you understand what a salt is.

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