Class: SocksTunnel::Coder

Inherits:
Object
  • Object
show all
Defined in:
lib/socks_tunnel/coder.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Coder

Returns a new instance of Coder.



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# File 'lib/socks_tunnel/coder.rb', line 5

def initialize
  cipher = OpenSSL::Cipher.new(Config.cipher)
  key_iv = OpenSSL::PKCS5.pbkdf2_hmac_sha1(Config.password, Config.salt, 2000, cipher.key_len + cipher.iv_len)
  @key = key_iv[0, cipher.key_len]
  @iv = key_iv[cipher.key_len, cipher.iv_len]

  @encoder = OpenSSL::Cipher.new(Config.cipher)
  @encoder.encrypt
  @encoder.key = @key

  @decoder = OpenSSL::Cipher.new(Config.cipher)
  @decoder.decrypt
  @decoder.key = @key
end

Instance Method Details

#decode(data) ⇒ Object 



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# File 'lib/socks_tunnel/coder.rb', line 25

def decode(data)
  @decoder.iv = @iv
  @decoder.update(data) + @decoder.final
end

#encode(data) ⇒ Object 



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# File 'lib/socks_tunnel/coder.rb', line 20

def encode(data)
  @encoder.iv = @iv
  @encoder.update(data) + @encoder.final
end