From 39f79b55ef725daf16de6b9e1f81b9490d6ddc52 Mon Sep 17 00:00:00 2001
From: akwizgran <akwizgran@users.sourceforge.net>
Date: Fri, 11 Apr 2014 13:00:22 +0100
Subject: [PATCH] Ensure ciphertext is always modified in unit test.
---
.../src/org/briarproject/crypto/PasswordBasedKdfTest.java | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/briar-tests/src/org/briarproject/crypto/PasswordBasedKdfTest.java b/briar-tests/src/org/briarproject/crypto/PasswordBasedKdfTest.java
index 44dd617e51..151f78fb57 100644
--- a/briar-tests/src/org/briarproject/crypto/PasswordBasedKdfTest.java
+++ b/briar-tests/src/org/briarproject/crypto/PasswordBasedKdfTest.java
@@ -33,8 +33,7 @@ public class PasswordBasedKdfTest extends BriarTestCase {
byte[] ciphertext = crypto.encryptWithPassword(input, password);
// Modify the ciphertext
int position = random.nextInt(ciphertext.length);
- int value = random.nextInt(256);
- ciphertext[position] = (byte) value;
+ ciphertext[position] = (byte) (ciphertext[position] ^ 0xFF);
byte[] output = crypto.decryptWithPassword(ciphertext, password);
assertNull(output);
}
--
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