[30619] in cryptography@c2.net mail archive
Re: switching from SHA-1 to Tiger ?
daemon@ATHENA.MIT.EDU (alex@alten.org)
Wed Jul 12 09:48:21 2006
X-Original-To: cryptography@metzdowd.com
X-Original-To: cryptography@metzdowd.com
From: alex@alten.org
To: zooko@zooko.com
Cc: cryptography@metzdowd.com, "Hal Finney" <hal@finney.org>
Date: Wed, 12 Jul 2006 02:31:45 -0500
> ----- Original Message -----
> From: "Zooko O'Whielacronx" <zooko@zooko.com>
...
> The AES competition resulted in a block cipher that was faster as=20
> well as safer than the previous standards. I hope that the next=20
> generation of hash functions achieve something similar, because for=20
> my use cases speed in a hash function is more important than speed=20
> in encryption.
>=20
I believe that this will be more and more the case. Hashes will=20
probably become slower relative to ciphers. CPUs are becoming=20
multi-core and data pipelining from RAM into a CPU on-chip cache=20
is now common. Both of these semiconductor trends will make=20
existing hashes become bottlenecks and will make it harder to=20
design a fast new hash.
- Alex=20
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