Re: Fast hash of NSData?
Re: Fast hash of NSData?
- Subject: Re: Fast hash of NSData?
- From: Graham Cox <email@hidden>
- Date: Mon, 02 Dec 2013 15:44:18 +0100
On 2 Dec 2013, at 3:36 pm, ChanMaxthon <email@hidden> wrote:
> How about this: treat the data as an array of 64-bit integers (zero-padded) and XOR them together? That will be really fast and you will be able to asm-optimize it.
There are plenty of fast hash algorithms that are proven to work.
As I learned early on, inventing your own without a lot of thought rarely pans out well. The issue now isn’t how to hash, it’s whether hashing is considered a safe enough approach for the use-case.
—Graham
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