Instance Digests in HTTP

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Publisher: IETF
Doc Type: Standard
Pages: 13
Abstract: 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 (Secure Hash Standard), 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. [STANDARDS-TRACK]
Publication Date: 2002-01-01
Status Note: Proposed Standard
DOI: 10.17487/RFC3230
Link: https://doi.org/10.17487/RFC3230
Author(s): Jeffrey Mogul
Arthur van Hoff
Keyword(s): HTTP

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Bibliographic Reference(s)

NIST FIPS 180-1 [Withdrawn]
Laurent Demailly. Re: Revised Charter. http://www.ics.uci.edu/pub/ietf/http/hypermail/1995q4/0165.html . EXTERNAL
Dave Raggett. Re: Revised Charter. http://www.ics.uci.edu/pub/ietf/http/hypermail/1995q4/0182.html . EXTERNAL
Nevin Heintze. Scalable Document Fingerprinting. Proc. Second USENIX Workshop on Electronic Commerce, USENIX, Oakland, CA, November, 1996, pp. 191-200. http://www.cs.cmu.edu/afs/cs/user/nch/www/koala/main.html . EXTERNAL
Merriam-Webster. Webster's Seventh New Collegiate Dictionary. G. & C. Merriam Co., Springfield, MA, 1963. EXTERNAL
The Open Group. The Single UNIX Specification, Version 2 - 6 Vol Set for UNIX 98. Document number T912, The Open Group, February, 1997. EXTERNAL
IETF RFC 1321 [Active*]
IETF RFC 1864 [Active*]
IETF RFC 2045 [Active*]
IETF RFC 2049 [Active*]
IETF RFC 2119 [Active*]
IETF RFC 2434 [Superseded*]
IETF RFC 2616 [Superseded*]
IETF RFC 2617 [Superseded*]
IETF RFC 3229 [Active*]

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Referenced By

IETF draft-pardue-quic-http-mcast-04 [Active*]
IETF draft-pardue-quic-http-mcast-09 [Active*]
IETF RFC 3229 [Active*]
IETF RFC 9404 [Active*]
IETF RFC 9530 [Active*]