Module: Encrypt

Defined in:
lib/encrypt.rb,
lib/encrypt/version.rb

Constant Summary collapse

VERSION = 
'0.1.0'

Class Method Summary collapse

Class Method Details

.dump(string, key) ⇒ Object 



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# File 'lib/encrypt.rb', line 4

def self.dump string, key
  cipher = OpenSSL::Cipher::AES256.new(:CBC)
  cipher.encrypt
  salt = OpenSSL::Random.random_bytes(16)
  cipher.key = OpenSSL::PKCS5.pbkdf2_hmac_sha1(key, salt, 20000, 32)
  iv = cipher.random_iv
  Marshal.dump([salt, iv, cipher.update(string) << cipher.final])
end

.load(string, key) ⇒ Object 



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# File 'lib/encrypt.rb', line 13

def self.load string, key
  salt, iv, encrypted = Marshal.load(string)
  cipher = OpenSSL::Cipher::AES256.new(:CBC)
  cipher.decrypt
  cipher.key = OpenSSL::PKCS5.pbkdf2_hmac_sha1(key, salt, 20000, 32)
  cipher.iv = iv
  cipher.update(encrypted) << cipher.final
end