RE: Comments on S/MIME v3.2

"Luther Martin" <martin(_at_)voltage(_dot_)com> writes:

> With respect to the RSA key sizes, I see lots of demand for 3072-bit keys,
> but not much for 2048-bit, so I'd be very inclined to make the range 1024 to
> 3072. To be compatible with AES, you need at least 3072, after all.
How widely supported are values > 2K bits in hardware and crypto toolkits?
The last time I looked (which admittedly was a few years ago), you ran into
problems if you assumed that everyone could handle > 2K bit keys.

Peter.