BCP 218, RFC 8429 on Deprecate Triple-DES (3DES) and RC4 in Kerberos

rfc-editor@rfc-editor.org Wed, 31 October 2018 21:14 UTC

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A new Request for Comments is now available in online RFC libraries.

        BCP 218        
        RFC 8429

        Title:      Deprecate Triple-DES (3DES) and RC4 in Kerberos 
        Author:     B. Kaduk,
                    M. Short
        Status:     Best Current Practice
        Stream:     IETF
        Date:       October 2018
        Mailbox:    kaduk@mit.edu, 
                    michikos@microsoft.com
        Pages:      10
        Characters: 22340
        Updates:    RFC 3961, RFC 4120
        See Also:   BCP 218

        I-D Tag:    draft-ietf-curdle-des-des-des-die-die-die-05.txt

        URL:        https://www.rfc-editor.org/info/rfc8429

        DOI:        10.17487/RFC8429

The triple-DES (3DES) and RC4 encryption types are steadily weakening
in cryptographic strength, and the deprecation process should begin
for their use in Kerberos.  Accordingly, RFC 4757 has been moved to
Historic status, as none of the encryption types it specifies should
be used, and RFC 3961 has been updated to note the deprecation of the
triple-DES encryption types.  RFC 4120 is likewise updated to remove
the recommendation to implement triple-DES encryption and checksum
types.

This document is a product of the CURves, Deprecating and a Little more Encryption Working Group of the IETF.


BCP: This document specifies an Internet Best Current Practice for the
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