Increase use of ptrdiff_t when performing pointer math

This fixes the incorrect result with CFB mode on A-32 in CFB_CipherTemplate<BASE>::ProcessData

1 files changed, 1 insertions, 1 deletions

diff --git a/strciphr.h b/strciphr.h
index 9198b55a..b726d0a7 100644
--- a/strciphr.h
+++ b/strciphr.h
@@ -376,7 +376,7 @@ protected:
 	unsigned int GetBufferByteSize(const PolicyInterface &policy) const {return policy.GetBytesPerIteration() * policy.GetIterationsToBuffer();}

 

 	inline byte * KeystreamBufferBegin() {return this->m_buffer.data();}

-	inline byte * KeystreamBufferEnd() {return (this->m_buffer.data() + this->m_buffer.size());}

+	inline byte * KeystreamBufferEnd() {return (PtrAdd(this->m_buffer.data(), this->m_buffer.size()));}

 

 	SecByteBlock m_buffer;

 	size_t m_leftOver;