draft-ietf-cat-ftpdsaauth-01.txt   draft-ietf-cat-ftpdsaauth-02.txt 
CAT Working Group Russell Housley (SPYRUS) CAT Working Group Russell Housley (SPYRUS)
<draft-ietf-cat-ftpdsaauth-01.txt> William A. Nace (NSA) <draft-ietf-cat-ftpdsaauth-02.txt> William A. Nace (NSA)
Updates: RFC 959 Peter Yee (SPYRUS) Updates: RFC 959 Peter Yee (SPYRUS)
Internet-Draft Expire in six months Internet-Draft Expire in six months
February 1998 February 1998
FTP Authentication Using DSA FTP Authentication Using DSA
Status of this Memo Status of this Memo
This document is an Internet-Draft. Internet-Drafts are working This document is an Internet-Draft. Internet-Drafts are working
documents of the Internet Engineering Task Force (IETF), its areas, documents of the Internet Engineering Task Force (IETF), its areas,
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"1id-abstRacts.txt" listing contained in the Internet-Drafts Shadow "1id-abstRacts.txt" listing contained in the Internet-Drafts Shadow
Directories on ds.internic.net (US East Coast), nic.nordu.net Directories on ds.internic.net (US East Coast), nic.nordu.net
Europe), ftp.isi.edu (US West Coast), or munnari.oz.au (Pacific Rim). Europe), ftp.isi.edu (US West Coast), or munnari.oz.au (Pacific Rim).
Distribution of this memo is unlimited. Please send comments to the Distribution of this memo is unlimited. Please send comments to the
<cat-ietf@mit.edu> mailing list. <cat-ietf@mit.edu> mailing list.
Abstract Abstract
This document defines a method to secure file transfers using the FTP This document defines a method to secure file transfers using the FTP
specification RFC 959, ''FILE TRANSFER PROTOCOL (FTP)'' (October 1985) specification RFC 959, "FILE TRANSFER PROTOCOL (FTP)" (October 1985)
and the work in progress document ''FTP Security Extensions'' <Draft- and RFC 2228 "FTP Security Extensions" (October 1997) [1]. This
ietf-cat-ftpsec-09.txt>[1]. This method will use the extensions method will use the extensions proposed in the "FTP Security
proposed in the ''FTP Security Extensions'' Draft document along with a Extensions" along with a public/private digital signature.
public/private digital signature.
1 Introduction 1 Introduction
The File Transfer Protocol (FTP) provides no protocol security except The File Transfer Protocol (FTP) provides no protocol security except
for a user authentication password which is transmitted in the clear. for a user authentication password which is transmitted in the clear.
In addition, the protocol does not protect the file transfer session In addition, the protocol does not protect the file transfer session
beyond the original authentication phase. beyond the original authentication phase.
The Internet Engineering Task Force (IETF) Common Authentication The Internet Engineering Task Force (IETF) Common Authentication
Technology (CAT) Working Group has specified security extensions to Technology (CAT) Working Group has specified security extensions to
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private key from disclosure. private key from disclosure.
5.0 Acknowledgements 5.0 Acknowledgements
I would like to thank Todd Horting for insights gained during I would like to thank Todd Horting for insights gained during
implementation of this specification. implementation of this specification.
6.0 References 6.0 References
[1] - M. Horowitz and S. J. Lunt. FTP Security Extensions. [1] - M. Horowitz and S. J. Lunt. FTP Security Extensions.
Internet-Draft <draft-ietf-cat-ftpsec-09.txt>, RFC 2228, October, 1997
November, 1996.
[2] - Digital Signature Standard (DSS). FIPS Pub 186. [2] - Digital Signature Standard (DSS). FIPS Pub 186.
May 19, 1994. May 19, 1994.
[3] - Secure Hash Standard. FIPS Pub 180-1. April 17, 1995. [3] - Secure Hash Standard. FIPS Pub 180-1. April 17, 1995.
[4] - Standard for Entity Authentication Using Public Key [4] - Standard for Entity Authentication Using Public Key
Cryptography. FIPS Pub 196. February 18, 1997. Cryptography. FIPS Pub 196. February 18, 1997.
7.0 Author's Address 7.0 Author's Address
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