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On 10/14/2013 02:49 PM, Martin Vaeth wrote: |
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> |
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>> Hiding the salt would just be security through obscurity. |
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> |
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> And yet it is stupid if you do not do it and give away a |
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> huge constant factor for no advantage. |
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> |
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(I'll just agree to disagree about the rest.) |
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Keeping the salt secret makes your application more complex. Rather than |
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"SELECT hash, salt FROM users WHERE...", you now have to "SELECT hash |
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FROM users WHERE..." and then pull the salt from somewhere else. (Where? |
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The filesystem? Do you encrypt that? How?) |
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What's stupid is going to all that effort for a 2x improvement when you |
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could twiddle a bit and get a 340282366920938463463374607431768211456x |
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improvement. |
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