Method: SymmetricEncryption.cipher

Defined in:
lib/symmetric_encryption/symmetric_encryption.rb

.cipher(version = nil) ⇒ Object

Returns the Primary Symmetric Cipher being used If a version is supplied

Returns the primary cipher if no match was found and version == 0
Returns nil if no match was found and version != 0



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# File 'lib/symmetric_encryption/symmetric_encryption.rb', line 46

def self.cipher(version = nil)
  unless cipher?
    raise(
      SymmetricEncryption::ConfigError,
      "Call SymmetricEncryption.load! or SymmetricEncryption.cipher= prior to encrypting or decrypting data"
    )
  end

  return @cipher if version.nil? || (@cipher.version == version)

  secondary_ciphers.find { |c| c.version == version } || (@cipher if version.zero?)
end