From 22974644fda537ef462b31a7e6e1e746c1605fcf Mon Sep 17 00:00:00 2001
From: Dominic Reed <dominic.reed@virtru.com>
Date: Wed, 6 Nov 2024 15:48:07 -0800
Subject: [PATCH] correct array offset for ByteBuffer

Summary:

Test Plan:
---
 sdk/src/main/java/io/opentdf/platform/sdk/NanoTDF.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sdk/src/main/java/io/opentdf/platform/sdk/NanoTDF.java b/sdk/src/main/java/io/opentdf/platform/sdk/NanoTDF.java
index 39170b97..5695713a 100644
--- a/sdk/src/main/java/io/opentdf/platform/sdk/NanoTDF.java
+++ b/sdk/src/main/java/io/opentdf/platform/sdk/NanoTDF.java
@@ -140,7 +140,7 @@ public int createNanoTDF(ByteBuffer data, OutputStream outputStream,
             System.arraycopy(iv, 0, actualIV, kIvPadding, iv.length);
         } while (Arrays.equals(actualIV, kEmptyIV));	// if match, we need to retry to prevent key + iv reuse with the policy
 
-        byte[] cipherData = gcm.encrypt(actualIV, authTagSize, data.array(), 0, dataSize);
+        byte[] cipherData = gcm.encrypt(actualIV, authTagSize, data.array(), data.arrayOffset(), dataSize);
 
         // Write the length of the payload as int24
         int cipherDataLengthWithoutPadding = cipherData.length - kIvPadding;