aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--src/prf_x942.cpp2
1 files changed, 1 insertions, 1 deletions
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);