123456789_123456789_123456789_123456789_123456789_

Class: ActiveRecord::Encryption::Key

Relationships & Source Files
Inherits: Object
Defined in: activerecord/lib/active_record/encryption/key.rb

Overview

A key is a container for a given #secret

Optionally, it can include #public_tags. These tags are meant to be stored in clean (public) and can be used, for example, to include information that references the key for a future retrieval operation.

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(secret) ⇒ Key

[ GitHub ] 

  


# File 'activerecord/lib/active_record/encryption/key.rb', line 13



def initialize(secret)
  @secret = secret
  @public_tags = Properties.new
end


  







Class Method Details



  

    .derive_from(password)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/encryption/key.rb', line 18



def self.derive_from(password)
  secret = ActiveRecord::Encryption.key_generator.derive_key_from(password)
  ActiveRecord::Encryption::Key.new(secret)
end


  







Instance Attribute Details



  

    #public_tags   (readonly)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/encryption/key.rb', line 11



attr_reader :secret, :public_tags


  








  

    #secret   (readonly)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/encryption/key.rb', line 11



attr_reader :secret, :public_tags


  







Instance Method Details



  

    #id  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/encryption/key.rb', line 23



def id
  Digest::SHA1.hexdigest(secret).first(4)
end