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2018 May 27
2
Strange crypto choices
On Mon, 28 May 2018, Yegor Ievlev wrote: > Can we prefer RSA to ECDSA? For example: > HostKeyAlgorithms > ssh-rsa,ssh-ed25519,ecdsa-sha2-nistp521,ecdsa-sha2-nistp384,ecdsa-sha2-nistp256 not without a good reason
2018 May 28
2
Strange crypto choices
We're aware of those arguments but don't find them convincing enough to switch early. On Mon, 28 May 2018, Yegor Ievlev wrote: > A backdoored curve could be easily generated using the algorithm used > to generate the NIST curves. > https://bada55.cr.yp.to/vr.html > > The algorithm that generates a backdoored curve is very simple: > Suppose the NSA (the author of the curves) knows a way to solve ECDLP > in polynominal time for some rare (one in 2^32) curves. In this case, > they simply keep generating the curves until they wi...
2019 Feb 15
2
Can we disable diffie-hellman-group-exchange-sha1 by default?
I referred to the fact that there is no value for 4096-bit groups at all. For higher strengths than 128 bits one should probably not use non-EC crypto at all, as the document suggests. On Fri, Feb 15, 2019 at 9:19 AM Darren Tucker <dtucker at dtucker.net> wrote: > > On Fri, 15 Feb 2019 at 16:45, Yegor Ievlev <koops1997 at gmail.com> wrote: > > That doesn't seem to be