class ActiveSupport::CachingKeyGenerator

Caching Key Generator¶ ↑

CachingKeyGenerator is a wrapper around KeyGenerator which allows users to avoid re-executing the key generation process when it’s called using the same salt and key_size.

Public Class Methods

new (key_generator)

# File activesupport/lib/active_support/key_generator.rb, line 56
def initialize(key_generator)
  @key_generator = key_generator
  @cache_keys = Concurrent::Map.new
end

Public Instance Methods

generate_key (*args)

Returns a derived key suitable for use.

# File activesupport/lib/active_support/key_generator.rb, line 62
def generate_key(*args)
  @cache_keys[args.join("|")] ||= @key_generator.generate_key(*args)
end