draft-ietf-curdle-rc4-die-die-die-13.txt   draft-ietf-curdle-rc4-die-die-die-14.txt 
Internet Engineering Task Force L. Camara Internet Engineering Task Force L. Camara
Internet-Draft Internet-Draft
Obsoletes: 4345 (if approved) L. Velvindron Obsoletes: 4345 (if approved) L. Velvindron
Intended status: Best Current Practice cyberstorm.mu Intended status: Best Current Practice cyberstorm.mu
Expires: May 24, 2019 November 20, 2018 Expires: June 28, 2019 December 25, 2018
Deprecating RC4 in Secure Shell (SSH) Deprecating RC4 in Secure Shell (SSH)
draft-ietf-curdle-rc4-die-die-die-13 draft-ietf-curdle-rc4-die-die-die-14
Abstract Abstract
This document deprecates RC4 in Secure Shell (SSH). Therefore, this This document deprecates RC4 in Secure Shell (SSH). Therefore, this
document formally obsoletes and moves to Historic RFC4345. document formally obsoletes and moves to Historic RFC4345.
Status of This Memo Status of This Memo
This Internet-Draft is submitted in full conformance with the This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79. provisions of BCP 78 and BCP 79.
skipping to change at page 1, line 32 skipping to change at page 1, line 32
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/. Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on May 24, 2019. This Internet-Draft will expire on June 28, 2019.
Copyright Notice Copyright Notice
Copyright (c) 2018 IETF Trust and the persons identified as the Copyright (c) 2018 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(https://trustee.ietf.org/license-info) in effect on the date of (https://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
skipping to change at page 3, line 14 skipping to change at page 3, line 14
+----------+-----------+--------------------------------------------+ +----------+-----------+--------------------------------------------+
| arcfour | MUST NOT | the ARCFOUR stream cipher with a 128-bit | | arcfour | MUST NOT | the ARCFOUR stream cipher with a 128-bit |
| | | key | | | | key |
+----------+-----------+--------------------------------------------+ +----------+-----------+--------------------------------------------+
[RFC4253] defines the "arcfour" ciphers with the text mentioned [RFC4253] defines the "arcfour" ciphers with the text mentioned
below: below:
The "arcfour" cipher is the Arcfour stream cipher with 128-bit keys. The "arcfour" cipher is the Arcfour stream cipher with 128-bit keys.
The Arcfour cipher is believed to be compatible with the RC4 cipher The Arcfour cipher is compatible with the RC4 cipher [SCHNEIER].
[SCHNEIER]. Arcfour (and RC4) has problems with weak keys, and Arcfour (and RC4) has problems with weak keys, and should be used
should be used with caution. with caution.
The current document updates [RFC4253] Section 6.3 by replacing the The current document updates [RFC4253] Section 6.3 by replacing the
text above with the following text: text above with the following text:
The "arcfour" cipher is the Arcfour stream cipher with 128-bit keys. The "arcfour" cipher is the Arcfour stream cipher with 128-bit keys.
The Arcfour cipher is believed to be compatible with the RC4 cipher The Arcfour cipher is compatible with the RC4 cipher [SCHNEIER].
[SCHNEIER]. Arcfour (and RC4) has known weakenesses [RFC7465] Arcfour (and RC4) has known weakenesses [RFC7465]
[I-D.ietf-curdle-des-des-des-die-die-die], and MUST NOT be used. [I-D.ietf-curdle-des-des-des-die-die-die], and MUST NOT be used.
3. IANA Considerations 3. IANA Considerations
The IANA is requested to update the Encryption Algorithm Name The IANA is requested to update the Encryption Algorithm Name
Registry of the Secure Shell (SSH) Protocol Parameters [IANA]. The Registry of the Secure Shell (SSH) Protocol Parameters [IANA]. The
Registration procedure is IETF Review which is achieved by this Registration procedure is IETF Review which is achieved by this
document. The registry should be updated as follows: document. The registry should be updated as follows:
+-------------+------------------------------------+ +-------------+------------------------------------+
 End of changes. 5 change blocks. 
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