[Cryptography] Whitening Algorithm
dave at horsfall.org
Thu Jul 23 19:06:37 EDT 2015
On Thu, 23 Jul 2015, Ray Dillinger wrote:
> As a lightweight CSPRNG suitable for devices of modest compute power, I
> recommend the 'Spritz' algorithm developed by Rivest & Schuldt.
> Although it's fairly new, it seems quite good.
Bruce Schneier doesn't seem to like it, but thinks it's clever anyway:
``Spritz is Rivest and Schuldt's redesign of RC4. It retains all of the
problems that RC4 had. It's built on a 256-element array of bytes,
making it less than ideal for modern 32-bit and 64-bit CPUs. It's not very
fast. (It's 50% slower than RC4, which was already much slower than
algorithms like AES and Threefish.) It has a long key setup. But it's a
very clever design.''
Dave Horsfall DTM (VK2KFU) "Those who don't understand security will suffer"
Watson didn't say "I think there is a world market for maybe five computers."
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