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I-D ACTION:draft-mogul-http-digest-04.txt

A New Internet-Draft is available from the on-line Internet-Drafts directories.

	Title		: Instance Digests in HTTP
	Author(s)	: J. Mogul, A. van Hoff
	Filename	: draft-mogul-http-digest-04.txt
	Pages		: 11
	Date		: 06-Sep-01
HTTP/1.1 defines a Content-MD5 header that allows a server
to include a digest of the response body.  However, this is
specifically defined to cover the body of the actual
message, not the contents of the full file (which might be
quite different, if the response is a Content-Range, or
uses a delta encoding).  Also, the Content-MD5 is limited
to one specific digest algorithm; other algorithms, such as
SHA-1, may be more appropriate in some circumstances.
Finally, HTTP/1.1 provides no explicit mechanism by which a
client may request a digest.  This document proposes HTTP
extensions that solve these problems.

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