@Override
    public ECParameterSpec getParams() {
        return group.getECParameterSpec();
    }
Wraps the provided private key for use in the TLS/SSL stack only. Sign/decrypt operations
using the key will be delegated to the {@code Signature}/{@code Cipher} implementation of the
provider which accepts the key.
common/src/main/java/org/conscrypt/OpenSSLECPrivateKey.java