Class: Urg::SecureData

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

Class Method Summary collapse

Class Method Details

.decrypt(cyphertext, iv:, key:) ⇒ Object 



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# File 'lib/secure_data.rb', line 18

def self.decrypt(cyphertext, iv:, key:)
  cipher.decrypt
  cipher.key = Base64.strict_decode64(key)
  cipher.iv = Base64.strict_decode64(iv)
  cipher.update(Base64.strict_decode64(cyphertext)) + cipher.final
end

.encrypt(plaintext) ⇒ Object 



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# File 'lib/secure_data.rb', line 5

def self.encrypt(plaintext)
  cipher.encrypt
  key = cipher.random_key
  iv = cipher.random_iv
  cyphertext = cipher.update(plaintext) + cipher.final

  {
    cyphertext: Base64.strict_encode64(cyphertext),
    key: Base64.strict_encode64(key),
    iv: Base64.strict_encode64(iv)
  }
end