note 103691 deleted from function.hash-hmac by danbrown
| From: | danbrown@php.net | Date: | Thu, 28 Apr 2011 15:08:33 +0000 |
| Subject: | note 103691 deleted from function.hash-hmac by danbrown | ||
| References: | 1 | Groups: | php.notes |
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Note Submitter: chris at deliens dot be
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FYI, Henry Merriam's PBKDF2 function is a lot faster than Peter Terence Roux's.
Respectively 0.19s vs 12.57s for a 10,000 iterations, 64bytes key-length using sha-512 algorithm.
I think this is due to the number of derived key blocks to compute which is lower in Henry's
implementation.
Although, I don't understand how/why they still produce the very same result!