[whatwg] checksum attribute in a href tag

Julian Reschke julian.reschke at gmx.de
Thu Oct 25 05:47:00 PDT 2012

On 2012-10-19 14:01, Nils Dagsson Moskopp wrote:
> "A. Rauschenbach" <rauschenbach at annuo.de> schrieb am Fri, 19 Oct 2012
> 13:50:04 +0200:
>> I'm sick of coping the checksum of important files by hand or QR-code
>> to the download manager or console.
>> To solve the problem I suggest a checksum attribute in the <a href>
>> tag.
> It seems that problem is solved at the HTTP level with RFC 1864:
> <http://tools.ietf.org/html/rfc1864>

The latest spec defining Content-MD5 was RFC 2616. It will not be 
included in the revision of HTTP/1.1 because of broken interop for Range 
requests, and because of the weakness of MD5 (see 
<http://trac.tools.ietf.org/wg/httpbis/trac/ticket/178> for context).

That being said a new response header field that is well-defined wrt to 
partial responses and more flexible wrt to digest algorthms would be 

 > ...

Best regards, Julian

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