Module: Encryptor

Extended by:
ActiveSupport::Concern
Defined in:
lib/encryptor.rb,
lib/encryptor/version.rb

Defined Under Namespace

Modules: ClassMethods

Constant Summary collapse

VERSION = 
'0.0.2'

Instance Method Summary collapse

Instance Method Details

#decrypt(encrypted_attribute, key) ⇒ Object

Preconditions

> encrypted_attribute - string, it is the encrypted value

> key, string, it is the key

Postconditions

> If both encrypted_attribute and key are present

* Returns decrypted value - string

> Else

* Returns nil



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# File 'lib/encryptor.rb', line 48

def decrypt(encrypted_attribute, key)
  if encrypted_attribute.present? and key.present?
    AES.decrypt(encrypted_attribute, key)
  end
end

#encrypt(attribute) ⇒ Object

Preconditions

> attribute - string, it is the unencrypted value

Postconditions

> If attribute is present

* Returns a hash with the following keys:
  - key - string
  - encrypted_attribute - string

> Else

* Returns a hash with the same keys as above but with nil values



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# File 'lib/encryptor.rb', line 63

def encrypt(attribute)
  if attribute.present?
    key = AES.key

    encrypted_attribute = AES.encrypt(attribute, key)
  end

  {
    key: key,
    encrypted_attribute: encrypted_attribute
  }
end