No need to test EC keys of 192 bits

EC keys of 192 bits have a security level of 96 bits which is well
below accepted minimum levels according to NIST SP800 131A. No need
to be able to generate these anymore. Instead test 521-bit EC keys.

Change-Id: I674c255c55c910bb8f9ccdf1e5ad7f69a2bdac69
1 file changed