- fix CCryptoManager::DecryptSessionData() overwriting first data blo…

…ck, if to be decrypted data is larger than a single block (#255)
SLikeSoft · Sep 3, 2019 · e67c8fd · e67c8fd
1 parent b5cdf28
commit e67c8fd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Source/src/crypto/cryptomanager.cpp b/Source/src/crypto/cryptomanager.cpp
@@ -123,7 +123,7 @@ namespace SLNet
 				}
 				RakAssert(static_cast<size_t>(bytesWritten1) <= inOutBufferSize);
 				int bytesWritten2;
-				if (EVP_DecryptFinal_ex(&m_decryptionContext, outBuffer, &bytesWritten2) == 0) {
+				if (EVP_DecryptFinal_ex(&m_decryptionContext, outBuffer + bytesWritten1, &bytesWritten2) == 0) {
 					return false; // failed final decryption step
 				}
 				RakAssert(static_cast<size_t>(bytesWritten1) + static_cast<size_t>(bytesWritten2) <= inOutBufferSize);