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Re: Fast hash of NSData?
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Re: Fast hash of NSData?


  • Subject: Re: Fast hash of NSData?
  • From: ChanMaxthon <email@hidden>
  • Date: Mon, 02 Dec 2013 22:36:05 +0800

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.

Sent from my iPhone

> On 2013年12月2日, at 22:27, Graham Cox <email@hidden> wrote:
>
>
>> On 2 Dec 2013, at 3:25 pm, ChanMaxthon <email@hidden> wrote:
>>
>> What is wrong with a good ol' SHA-512?
>
>
> Way too slow.
>
> ―Graham
>
>
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  • Follow-Ups:
    • Re: Fast hash of NSData?
      • From: Jens Alfke <email@hidden>
    • Re: Fast hash of NSData?
      • From: Scott Ribe <email@hidden>
    • Re: Fast hash of NSData?
      • From: Graham Cox <email@hidden>
References: 
 >Re: Fast hash of NSData? (From: "Gerriet M. Denkmann" <email@hidden>)
 >Re: Fast hash of NSData? (From: ChanMaxthon <email@hidden>)
 >Re: Fast hash of NSData? (From: Graham Cox <email@hidden>)

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