Clear UBsan finding with -std=c++03

New finding after cutting in ChaCha20/Poly1305

1 files changed, 2 insertions, 5 deletions

diff --git a/authenc.cpp b/authenc.cpp
index 040a8063..bd7e3994 100644
--- a/authenc.cpp
+++ b/authenc.cpp
@@ -18,10 +18,6 @@ void AuthenticatedSymmetricCipherBase::AuthenticateData(const byte *input, size_
 	unsigned int &num = m_bufferedDataLength;

 	byte* data = m_buffer.begin();

 

-	// UBsan finding with -std=c++03 using memcpy

-	CRYPTOPP_ASSERT(data);

-	if(!data) return;

-

 	if (num != 0)	// process left over data

 	{

 		if (num+len >= blockSize)

@@ -49,7 +45,8 @@ void AuthenticatedSymmetricCipherBase::AuthenticateData(const byte *input, size_
 		len = leftOver;

 	}

 

-	memcpy(data, input, len);

+	if (data)

+		memcpy(data, input, len);

 	num = (unsigned int)len;

 }