[whatwg] checksum attribute in a href tag

Anne van Kesteren annevk at annevk.nl
Fri Oct 19 04:57:58 PDT 2012

On Fri, Oct 19, 2012 at 1:50 PM, A. Rauschenbach <rauschenbach at annuo.de> wrote:
> 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.
> example: <a href="http://example.com/important.file"
> checksum="MD5:32c3675211199b671fbca1304d819289;SHA1:6e1ddeede3979c953788a3499616af35ee5fd772">download</a>
> Another advantage is that your visitors (browser) can verify that the
> document (e.g. a pdf) you linked to is still the same.

If you serve important files over HTTP without TLS I don't think a
checksum is going to help anyone much.

We did have something similar to this, but it got dropped:


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