class GrapeTokenAuth::CachingKeyGenerator

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) click to toggle source
# File lib/grape_token_auth/key_generator.rb, line 32
def initialize(key_generator)
  @key_generator = key_generator
  @cache_keys = ThreadSafe::Cache.new
end

Public Instance Methods

generate_key(salt, key_size = 64) click to toggle source

Returns a derived key suitable for use. The default key_size is chosen to be compatible with the default settings of OpenSSL::Digest::SHA1#block_length

# File lib/grape_token_auth/key_generator.rb, line 40
def generate_key(salt, key_size = 64)
  key = "#{salt}#{key_size}"
  @cache_keys[key] ||= @key_generator.generate_key(salt, key_size)
end