# File lib/net/ssh/transport/cipher_factory.rb, line 44
    def self.get_lengths(name)
      ossl_name = SSH_TO_OSSL[name]
      return [0, 0] if ossl_name.nil? || ossl_name == "none"

      cipher = OpenSSL::Cipher::Cipher.new(ossl_name)
      return [cipher.key_len, cipher.block_size]
    end