class method `self.key_len`

Ruby on Rails 8.0.4

Since v4.2.9

Available in: v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

self.key_len(cipher = default_cipher)

Given a cipher, returns the key length of the cipher to help generate the key of desired size

Parameters

cipher opt = default_cipher

Source

# File activesupport/lib/active_support/message_encryptor.rb, line 252
    def self.key_len(cipher = default_cipher)
      OpenSSL::Cipher.new(cipher).key_len
    end

Defined in activesupport/lib/active_support/message_encryptor.rb line 252 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveSupport::MessageEncryptor

Signature

Parameters