From 72a108f960896c282bf1e4dd4dedb6bbfc3c29f5 Mon Sep 17 00:00:00 2001
From: Philippus Baalman <philippus@gmail.com>
Date: Fri, 23 Aug 2019 00:23:46 +0200
Subject: [PATCH] Drop last 4 bytes of computed SHA-1 hash

---
 .../src/main/java/com/baeldung/uuid/UUIDGenerator.java          | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core-java-modules/core-java/src/main/java/com/baeldung/uuid/UUIDGenerator.java b/core-java-modules/core-java/src/main/java/com/baeldung/uuid/UUIDGenerator.java
index dcf186de93..70217cd556 100644
--- a/core-java-modules/core-java/src/main/java/com/baeldung/uuid/UUIDGenerator.java
+++ b/core-java-modules/core-java/src/main/java/com/baeldung/uuid/UUIDGenerator.java
@@ -67,7 +67,7 @@ public class UUIDGenerator {
         } catch (NoSuchAlgorithmException nsae) {
             throw new InternalError("MD5 not supported", nsae);
         }
-        byte[] bytes = md.digest(name);
+        byte[] bytes = Arrays.copyOfRange(md.digest(name), 0, 16);
         bytes[6] &= 0x0f; /* clear version        */
         bytes[6] |= 0x50; /* set to version 5     */
         bytes[8] &= 0x3f; /* clear variant        */