From 77afd52c616f50f5213b24f9b2df0d27e61c95f2 Mon Sep 17 00:00:00 2001
From: lloyd <lloyd@randombit.net>
Date: Mon, 15 Oct 2007 15:17:43 +0000
Subject: Truncate the X9.42 PRF output if the counter overflows.

---
 src/prf_x942.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/prf_x942.cpp b/src/prf_x942.cpp
index fd29aecdd..99f223107 100644
--- a/src/prf_x942.cpp
+++ b/src/prf_x942.cpp
@@ -40,7 +40,7 @@ SecureVector<byte> X942_PRF::derive(u32bit key_len,
    SecureVector<byte> key;
    u32bit counter = 1;
 
-   while(key.size() != key_len)
+   while(key.size() != key_len && counter)
       {
       hash->update(secret, secret_len);
 
-- 
cgit v1.2.3