> On Aug 29, 2016, at 6:26 AM, Rene Struik <rstruik....@gmail.com> wrote: > > I think it is a mistake to think that simply using block ciphers with a > larger block size is enough to counter attacks, as the literature on > successful side channel attacks on such block cipher demonstrates. The real > message is that one should not reuse keys ad infinitum, which unfortunately > seems hard to sink in. > > Singling out 3-DES in this respect does not seem to tackle the real issue > (which is a system security issue often only paid lip service to in practice).
Yes, we should just stop using 64-bit block ciphers and deal with the issues you mention within the context of larger blocks. Jon _______________________________________________ TLS mailing list TLS@ietf.org https://www.ietf.org/mailman/listinfo/tls