W3C home > Mailing lists > Public > whatwg@whatwg.org > November 2006

[whatwg] hash Attribute

From: Gervase Markham <gerv@mozilla.org>
Date: Thu, 09 Nov 2006 17:23:32 +0000
Message-ID: <45536414.3060204@mozilla.org>
XcomCoolDude wrote:
> How about a hash attribute for all elements that link to external files 
> (a, img, etc.)?
> 
> It would allow you to pass an MD5, SHA-1, SHA-256, or other hash to a 
> user-agent for automatic comparison with the linked file.

A related proposal is:
http://www.gerv.net/security/link-fingerprints/

That proposal has the advantage that the hash can accompany the URL into 
non-HTML contexts.

> I'd suggest a format where the hash algorithm is listed, followed by a 
> forward slash and then the hash itself

To ease the implementation and interoperability burden, the smallest 
possible number of hash functions should be required to be supported.

Gerv
Received on Thursday, 9 November 2006 09:23:32 UTC

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