From f85a203f77153357d7b347c10e8cc92c6b1c223e Mon Sep 17 00:00:00 2001
From: YYTVicky <61596169+YYTVicky@users.noreply.github.com>
Date: Sat, 29 Feb 2020 12:26:53 -0500
Subject: [PATCH] Suggest change from MD5 to SHA-512 for security cocnern.

Suggest change from MD5 to SHA-512 for security cocnern.
---
 .../java/software/amazon/kinesis/retrieval/AggregatorUtil.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/amazon-kinesis-client/src/main/java/software/amazon/kinesis/retrieval/AggregatorUtil.java b/amazon-kinesis-client/src/main/java/software/amazon/kinesis/retrieval/AggregatorUtil.java
index 533f47ab..89540fd7 100644
--- a/amazon-kinesis-client/src/main/java/software/amazon/kinesis/retrieval/AggregatorUtil.java
+++ b/amazon-kinesis-client/src/main/java/software/amazon/kinesis/retrieval/AggregatorUtil.java
@@ -208,7 +208,7 @@ public class AggregatorUtil {
 
     private byte[] md5(byte[] data) {
         try {
-            MessageDigest d = MessageDigest.getInstance("MD5");
+            MessageDigest d = MessageDigest.getInstance("SHA-512");
             return d.digest(data);
         } catch (NoSuchAlgorithmException e) {
             throw new RuntimeException(e);