Function pgp::crypto::ecdh::build_ecdh_param

pub fn build_ecdh_param(
    oid: &[u8], 
    alg_sym: SymmetricKeyAlgorithm, 
    hash: HashAlgorithm, 
    fingerprint: &[u8]
) -> Vec<u8>

Build param for ECDH algorithm (as defined in RFC 6637) https://tools.ietf.org/html/rfc6637#section-8