From 009889577b1b116a79b770039d10ba77fe2c750a Mon Sep 17 00:00:00 2001
From: gefeili <gli@keyfactor.com>
Date: Wed, 8 Jan 2025 13:23:07 +1030
Subject: [PATCH] Fix the bug in CipherTest.checkAEADParemeter

---
 core/src/test/java/org/bouncycastle/crypto/test/CipherTest.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/src/test/java/org/bouncycastle/crypto/test/CipherTest.java b/core/src/test/java/org/bouncycastle/crypto/test/CipherTest.java
index f16480e9b8..48e30052fe 100644
--- a/core/src/test/java/org/bouncycastle/crypto/test/CipherTest.java
+++ b/core/src/test/java/org/bouncycastle/crypto/test/CipherTest.java
@@ -275,7 +275,7 @@ static void checkAEADParemeter(SimpleTest test, int keySize, int ivSize, final i
         }
         int len = cipher.processBytes(plaintext, 0, plaintext.length, ciphertext1, 0);
         len += cipher.doFinal(ciphertext1, len);
-        int aadSplit = random.nextInt(99);
+        int aadSplit = random.nextInt(aad.length);
         cipher.init(true, new AEADParameters(new KeyParameter(key), macSize * 8, iv, Arrays.copyOf(aad, aadSplit)));
         cipher.processAADBytes(aad, aadSplit, aad.length - aadSplit);
         byte[] ciphertext2 = new byte[cipher.getOutputSize(plaintext.length)];