Module: Slosilo::Migration::EncryptedAttributes

Defined in:
lib/slosilo/migration/attr_encrypted.rb

Overview

we don’t trust the database to keep all backups safe from the prying eyes so we encrypt sensitive attributes before storing them

Defined Under Namespace

Modules: ClassMethods

Class Method Summary collapse

Class Method Details

.cipher ⇒ Object 



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# File 'lib/slosilo/migration/attr_encrypted.rb', line 44

def cipher
  @cipher ||= Slosilo::Migration::Symmetric.new
end

.decrypt(ctxt) ⇒ Object 



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# File 'lib/slosilo/migration/attr_encrypted.rb', line 35

def decrypt ctxt
  return nil unless ctxt
  cipher.decrypt ctxt, key: key
end

.encrypt(value) ⇒ Object 



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# File 'lib/slosilo/migration/attr_encrypted.rb', line 30

def encrypt value
  return nil unless value
  cipher.encrypt value, key: key
end

.included(base) ⇒ Object 



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# File 'lib/slosilo/migration/attr_encrypted.rb', line 25

def self.included base
  base.extend ClassMethods
end

.key ⇒ Object 



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# File 'lib/slosilo/migration/attr_encrypted.rb', line 40

def key
  Slosilo::encryption_key || (raise "Please set Slosilo::encryption_key")
end