Module: RTunnel::ConnectionId

Included in:
Server
Defined in:
lib/rtunnel/connection_id.rb

Overview

Unique ID generation functionality.

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.new_cipher ⇒ Object 



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# File 'lib/rtunnel/connection_id.rb', line 6

def self.new_cipher
  cipher = OpenSSL::Cipher::Cipher.new 'aes-128-ecb'
  cipher.encrypt
  cipher.key, cipher.iv = cipher.random_key, cipher.random_iv
  cipher
end

.new_counter ⇒ Object 



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# File 'lib/rtunnel/connection_id.rb', line 13

def self.new_counter
  '0' * 16
end

Instance Method Details

#new_connection_id ⇒ Object 



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# File 'lib/rtunnel/connection_id.rb', line 17

def new_connection_id
  @session_id_cipher ||= RTunnel::ConnectionId.new_cipher
  @session_id_counter ||= RTunnel::ConnectionId.new_counter
  connection_id = @session_id_cipher.update @session_id_counter
  @session_id_counter.succ!
  Base64.encode64(connection_id).strip
end