Class: String

Inherits:
Object
  • Object
show all
Defined in:
lib/housing_misc/encrypt_decrypt.rb

Instance Method Summary collapse

Instance Method Details

#decrypt(key = DEFAULT_KEY) ⇒ Object 



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# File 'lib/housing_misc/encrypt_decrypt.rb', line 14

def decrypt(key=DEFAULT_KEY)
  cipher = OpenSSL::Cipher.new(ENCRYPTION_ALGO).decrypt
  cipher.key = (Digest::SHA1.hexdigest key)[0...KEY_LENGTH]
  s = [self].pack("H*").unpack("C*").pack("c*")
  cipher.update(s) + cipher.final
end

#encrypt(key = DEFAULT_KEY) ⇒ Object 



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# File 'lib/housing_misc/encrypt_decrypt.rb', line 7

def encrypt(key=DEFAULT_KEY)
  cipher = OpenSSL::Cipher.new(ENCRYPTION_ALGO).encrypt
  cipher.key = (Digest::SHA1.hexdigest key)[0...KEY_LENGTH]
  s = cipher.update(self) + cipher.final
  s.unpack('H*').first
end