I tried searching online but can't seem to find whether or not OpenSSL support both NamedCurve.arbitrary_explicit_prime_curves and NamedCurve.arbitrary_explicit_char2_curves? As far as I can tell bouncy castle are the only SSL/TLS implementation that supports it, any others that anyone known of?
The code for arbitrary curves is in the library; see the source code, file
Code for encoding and decoding arbitrary curve parameters in ASN.1 (e.g. for use with a public key in an X.509 certificate) also appears to be present (in