# File lib/net/ssh/transport/cipher_factory.rb, line 34
    def self.supported?(name)
      ossl_name = SSH_TO_OSSL[name] or raise NotImplementedError, "unimplemented cipher `#{name}'"
      return true if ossl_name == "none"
      return OpenSSL::Cipher.ciphers.include?(ossl_name)
    end