JezK

Edit File: kex.rb

require 'openssl'

require 'net/ssh/errors'
require 'net/ssh/transport/algorithms'
require 'net/ssh/transport/constants'
require 'net/ssh/transport/kex'

module Net; module SSH; module Test

# An implementation of a key-exchange strategy specifically for unit tests.
  # (This strategy would never really work against a real SSH server--it makes
  # too many assumptions about the server's response.)
  #
  # This registers itself with the transport key-exchange system as the
  # "test" algorithm.
  class Kex
    include Net::SSH::Transport::Constants

# Creates a new instance of the testing key-exchange algorithm with the
    # given arguments.
    def initialize(algorithms, connection, data)
      @connection = connection
    end

# Exchange keys with the server. This returns a hash of constant values,
    # and does not actually exchange keys.
    def exchange_keys
      result = Net::SSH::Buffer.from(:byte, NEWKEYS)
      @connection.send_message(result)

buffer = @connection.next_message
      raise Net::SSH::Exception, "expected NEWKEYS" unless buffer.type == NEWKEYS

{ :session_id        => "abc-xyz",
        :server_key        => OpenSSL::PKey::RSA.new(32),
        :shared_secret     => OpenSSL::BN.new("1234567890", 10),
        :hashing_algorithm => OpenSSL::Digest::SHA1 }
    end
  end

end; end; end

Net::SSH::Transport::Algorithms::ALGORITHMS[:kex] << "test"
Net::SSH::Transport::Kex::MAP["test"] = Net::SSH::Test::Kex

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