test/openssl/test_hmac.rb

   1 # frozen_string_literal: true
   2 require_relative 'utils'
   3
   4 if defined?(OpenSSL)
   5
   6 class OpenSSL::TestHMAC < OpenSSL::TestCase
   7   def test_hmac
   8     # RFC 2202 2. Test Cases for HMAC-MD5
   9     hmac = OpenSSL::HMAC.new(["0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b"].pack("H*"), "MD5")
  10     hmac.update("Hi There")
  11     assert_equal ["9294727a3638bb1c13f48ef8158bfc9d"].pack("H*"), hmac.digest
  12     assert_equal "9294727a3638bb1c13f48ef8158bfc9d", hmac.hexdigest
  13     assert_equal "kpRyejY4uxwT9I74FYv8nQ==", hmac.base64digest
  14
  15     # RFC 4231 4.2. Test Case 1
  16     hmac = OpenSSL::HMAC.new(["0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b"].pack("H*"), "SHA224")
  17     hmac.update("Hi There")
  18     assert_equal ["896fb1128abbdf196832107cd49df33f47b4b1169912ba4f53684b22"].pack("H*"), hmac.digest
  19     assert_equal "896fb1128abbdf196832107cd49df33f47b4b1169912ba4f53684b22", hmac.hexdigest
  20     assert_equal "iW+xEoq73xloMhB81J3zP0e0sRaZErpPU2hLIg==", hmac.base64digest
  21   end
  22
  23   def test_dup
  24     pend "HMAC#initialize_copy is currently broken on OpenSSL 3.0.0" if openssl?(3, 0, 0)
  25     h1 = OpenSSL::HMAC.new("KEY", "MD5")
  26     h1.update("DATA")
  27     h = h1.dup
  28     assert_equal(h1.digest, h.digest, "dup digest")
  29   end
  30
  31   def test_binary_update
  32     data = "Lücíllé: Bût... yøü sáîd hé wås âlrîght.\nDr. Físhmån: Yés. Hé's løst hîs léft hånd, sø hé's gøîng tø bé åll rîght"
  33     hmac = OpenSSL::HMAC.new("qShkcwN92rsM9nHfdnP4ugcVU2iI7iM/trovs01ZWok", "SHA256")
  34     result = hmac.update(data).hexdigest
  35     assert_equal "a13984b929a07912e4e21c5720876a8e150d6f67f854437206e7f86547248396", result
  36   end
  37
  38   def test_reset_keep_key
  39     h1 = OpenSSL::HMAC.new("KEY", "MD5")
  40     first = h1.update("test").hexdigest
  41     h1.reset
  42     second = h1.update("test").hexdigest
  43     assert_equal first, second
  44   end
  45
  46   def test_eq
  47     h1 = OpenSSL::HMAC.new("KEY", "MD5")
  48     h2 = OpenSSL::HMAC.new("KEY", OpenSSL::Digest.new("MD5"))
  49     h3 = OpenSSL::HMAC.new("FOO", "MD5")
  50
  51     assert_equal h1, h2
  52     refute_equal h1, h2.digest
  53     refute_equal h1, h3
  54   end
  55
  56   def test_singleton_methods
  57     # RFC 2202 2. Test Cases for HMAC-MD5
  58     key = ["0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b"].pack("H*")
  59     digest = OpenSSL::HMAC.digest("MD5", key, "Hi There")
  60     assert_equal ["9294727a3638bb1c13f48ef8158bfc9d"].pack("H*"), digest
  61     hexdigest = OpenSSL::HMAC.hexdigest("MD5", key, "Hi There")
  62     assert_equal "9294727a3638bb1c13f48ef8158bfc9d", hexdigest
  63     b64digest = OpenSSL::HMAC.base64digest("MD5", key, "Hi There")
  64     assert_equal "kpRyejY4uxwT9I74FYv8nQ==", b64digest
  65   end
  66 end
  67
  68 end