ecript_vs_db.rb

require 'benchmark'

n = 5000
h = "test"
salt  = SecureRandom.random_bytes(64)
key   = ActiveSupport::KeyGenerator.new('password').generate_key(salt) 

Benchmark.bm do |x|
    x.report("dbrequest:") do
      n.times do
        a = Aitem.last
        a.bitem.inspect
      end
    end
    x.report("encript:") do
      n.times do
          crypt = ActiveSupport::MessageEncryptor.new(key)                       # => #<ActiveSupport::MessageEncryptor ...>
          encrypted_data = crypt.encrypt_and_sign('my secret data') 
      end
    end
    crypt = ActiveSupport::MessageEncryptor.new(key)                       # => #<ActiveSupport::MessageEncryptor ...>
    encrypted_data = crypt.encrypt_and_sign('my secret data')
    x.report("decript:") do
      n.times do
        crypt = ActiveSupport::MessageEncryptor.new(key)                       # => #<ActiveSupport::MessageEncryptor ...>
        crypt.decrypt_and_verify(encrypted_data)  
      end
    end
end