1 files changed, 1 insertions, 1 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/crypto/paddings/PaddedBufferedBlockCipher.java b/bcprov/src/main/java/org/bouncycastle/crypto/paddings/PaddedBufferedBlockCipher.java
index ee3fd60..d5928f7 100644
--- a/bcprov/src/main/java/org/bouncycastle/crypto/paddings/PaddedBufferedBlockCipher.java
+++ b/bcprov/src/main/java/org/bouncycastle/crypto/paddings/PaddedBufferedBlockCipher.java
@@ -125,7 +125,7 @@ public class PaddedBufferedBlockCipher
 
         if (leftOver == 0)
         {
-            return total - buf.length;
+            return Math.max(0, total - buf.length);
         }
 
         return total - leftOver;