< draft-nslag-mpls-deprecate-md5-02.txt   draft-nslag-mpls-deprecate-md5-03.txt >
MPLS Working Group L. Andersson MPLS Working Group L. Andersson
Internet-Draft Bronze Dragon Consulting Internet-Draft Bronze Dragon Consulting
Intended status: Informational S. Bryant Intended status: Informational S. Bryant
Expires: September 2, 2018 A. Malis Expires: March 7, 2019 A. Malis
Huawei Technologies Huawei Technologies
N. Leymann N. Leymann
Deutsche Telekom Deutsche Telekom
G. Swallow G. Swallow
Independent Independent
March 1, 2018 September 3, 2018
Deprecating MD5 for LDP Deprecating MD5 for LDP
draft-nslag-mpls-deprecate-md5-02.txt draft-nslag-mpls-deprecate-md5-03
Abstract Abstract
When the MPLS Label Distribution Protocol (LDP) was specified circa When the MPLS Label Distribution Protocol (LDP) was specified circa
1999, there were very strong requirements that LDP should use a 1999, there were very strong requirements that LDP should use a
cryptographic hash function to sign LDP protocol messages. MD5 was cryptographic hash function to sign LDP protocol messages. MD5 was
widely used at that time, and was the obvious choices. widely used at that time, and was the obvious choices.
However, even when this decision was being taken there were concerns However, even when this decision was being taken there were concerns
as to whether MD5 was a strong enough signing option. This as to whether MD5 was a strong enough signing option. This
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