[ftpext] I-D Action:draft-ietf-ftpext2-hash-01.txt

Internet-Drafts@ietf.org Tue, 01 February 2011 19:45 UTC

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Subject: [ftpext] I-D Action:draft-ietf-ftpext2-hash-01.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the FTP Extensions, 2nd edition Working Group of the IETF.


	Title           : File Transfer Protocol HASH Command for Cryptographic Hashes
	Author(s)       : A. Bryan, et al.
	Filename        : draft-ietf-ftpext2-hash-01.txt
	Pages           : 16
	Date            : 2011-02-01

The File Transfer Protocol does not offer any method to verify the
integrity of a transferred file, nor can two files be compared
against each other without actually transferring them first.
Cryptographic hashes are a possible solution to this problem.  In the
past, several attempts have been made to add commands to obtain
checksums and hashes, however none have been formally specified,
leading to non-interoperability and confusion.  To solve these
issues, this document specifies a new FTP command to be used by
clients to request cryptographic hashes of files.

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