Re: Instance Digests in HTTP (RFC3230)

Anthony Bryan wrote:
> On Thu, Oct 1, 2009 at 7:22 PM, Lisa Dusseault wrote:
>> Isn't more digest values worse for interoperability?  Is there an
>> overriding security concern that would justify worse interoperability?
>
> Because there are no recent values in the registry, I see download
> clients do this (3x variants of SHA1, 2x of other hashes):
> 
> Want-Digest: MD5;q=0.3, MD-5;q=0.3, SHA1;q=0.8, SHA;q=0.8,
> SHA-1;q=0.8, SHA256;q=0.9, SHA-256;q=0.9, SHA384;q=0.9, SHA-384;q=0.9,
> SHA512;q=1, SHA-512;q=1

Clearly, if we don't add SHA-1 to the registry, people will use it anyway,
but won't decide on a single name for it. *That's* worse for
interoperability.

Received on Tuesday, 6 October 2009 16:39:54 UTC