diff --git a/spec/bcrypt/engine_spec.rb b/spec/bcrypt/engine_spec.rb
index 11ec907..456fb47 100644
--- a/spec/bcrypt/engine_spec.rb
+++ b/spec/bcrypt/engine_spec.rb
@@ -66,17 +66,23 @@ class MyInvalidSecret
     expect(BCrypt::Engine.hash_secret(false, @salt)).to eq BCrypt::Engine.hash_secret("false", @salt)
   end
 
-  specify "should be interoperable with other implementations" do
+  describe "should be interoperable with other implementations" do
     # test vectors from the OpenWall implementation <http://www.openwall.com/crypt/>
     test_vectors = [
       ["U*U", "$2a$05$CCCCCCCCCCCCCCCCCCCCC.", "$2a$05$CCCCCCCCCCCCCCCCCCCCC.E5YPO9kmyuRGyh0XouQYb4YMJKvyOeW"],
       ["U*U*", "$2a$05$CCCCCCCCCCCCCCCCCCCCC.", "$2a$05$CCCCCCCCCCCCCCCCCCCCC.VGOzA784oUp/Z0DY336zx7pLYAy0lwK"],
       ["U*U*U", "$2a$05$XXXXXXXXXXXXXXXXXXXXXO", "$2a$05$XXXXXXXXXXXXXXXXXXXXXOAcXxm9kjPGEMsLznoKqmqw7tc8WCx4a"],
       ["", "$2a$05$CCCCCCCCCCCCCCCCCCCCC.", "$2a$05$CCCCCCCCCCCCCCCCCCCCC.7uG0VCzI2bS7j6ymqJi9CdcdxiRTWNy"],
-      ["0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789", "$2a$05$abcdefghijklmnopqrstuu", "$2a$05$abcdefghijklmnopqrstuu5s2v8.iXieOjg/.AySBTTZIIVFJeBui"]
+      ["0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789", "$2a$05$abcdefghijklmnopqrstuu", "$2a$05$abcdefghijklmnopqrstuu5s2v8.iXieOjg/.AySBTTZIIVFJeBui"],
+      ["\xaa"*72, "$2a$05$/OK.fbVrR/bpIqNJ5ianF.", "$2a$05$/OK.fbVrR/bpIqNJ5ianF.swQOIzjOiJ9GHEPuhEkvqrUyvWhEMx6"],
+      ["\xaa"*72+"chars after 72 are ignored as usual", "$2a$05$/OK.fbVrR/bpIqNJ5ianF.", "$2a$05$/OK.fbVrR/bpIqNJ5ianF.swQOIzjOiJ9GHEPuhEkvqrUyvWhEMx6"],
+      ["\xaa\x55"*36, "$2a$05$/OK.fbVrR/bpIqNJ5ianF.", "$2a$05$/OK.fbVrR/bpIqNJ5ianF.R9xrDjiycxMbQE2bp.vgqlYpW5wx2yy"],
+      ["\x55\xaa\xff"*24, "$2a$05$/OK.fbVrR/bpIqNJ5ianF.", "$2a$05$/OK.fbVrR/bpIqNJ5ianF.9tQZzcJfm3uj2NvJ/n5xkhpqLrMpWCe"]
     ]
-    for secret, salt, test_vector in test_vectors
-      expect(BCrypt::Engine.hash_secret(secret, salt)).to eql(test_vector)
+    test_vectors.each_with_index do |(secret, salt, test_vector), i|
+      specify("with Secret ##{i}") do
+        expect(BCrypt::Engine.hash_secret(secret, salt)).to eql(test_vector)
+      end
     end
   end
 end