Test interoperability of asymmetric key wrapping and unwrapping

[Jakuje]

The asymmetric key (RSA, ECDSA) wrapping and unwrapping works on kryoptic, but it involves a lot of ASN.1 encoding and decoding so it would be useful to test interoperability of these operations on some other implementation to make sure we do the right thing.

[simo5]

pk12util can be used to wrap a key in kryoptic and unwrap it in a softokn, and vice versa