fix incorrect type in UncheckedSetKey parameter

1 files changed, 1 insertions, 1 deletions

diff --git a/cbcmac.h b/cbcmac.h
index 30566d0f..a8c88d36 100644
--- a/cbcmac.h
+++ b/cbcmac.h
@@ -12,7 +12,7 @@ class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CBC_MAC_Base : public MessageAuthenticatio
 public:
 	CBC_MAC_Base() {}
 
-	void UncheckedSetKey(const byte *key, size_t length, const NameValuePairs &params);
+	void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs &params);
 	void Update(const byte *input, size_t length);
 	void TruncatedFinal(byte *mac, size_t size);
 	unsigned int DigestSize() const {return const_cast<CBC_MAC_Base*>(this)->AccessCipher().BlockSize();}