Make Hmac rekey-initializable (like Arc4Gen)

2025-08-26 00:37:13 +03:00
parent 30e7740eae
commit 8843589950
2 changed files with 49 additions and 3 deletions
--- a/ChaosTests/Mac/HmacTests.cpp
+++ b/ChaosTests/Mac/HmacTests.cpp
@@ -72,3 +72,16 @@ TEST(HmacTests, LongKeyTest)
        ASSERT_EQ("99459b85e800f3e5eab24e1c945794f8", hmacMd5(key, data));
    }
 }
+
+TEST(HmacTests, UninitializedHmacTest)
+{
+    std::array<uint8_t, 10> in;
+    in.fill(0);
+
+    {
+        Hmac<Md5Hasher> hmac;
+
+        ASSERT_THROW(hmac.Update(in.begin(), in.end()), Chaos::Service::ChaosException);
+        ASSERT_THROW(hmac.Finish(), Chaos::Service::ChaosException);
+    }
+}