1 files changed, 23 insertions, 0 deletions
diff --git a/simple.cpp b/simple.cpp
new file mode 100644
index 00000000..ee5ab0cb
--- /dev/null
+++ b/simple.cpp
@@ -0,0 +1,23 @@
+// simple.cpp - written and placed in the public domain by Wei Dai
+
+#include "pch.h"
+#include "simple.h"
+#include "secblock.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+void HashTransformationWithDefaultTruncation::TruncatedFinal(byte *digest, unsigned int digestSize)
+{
+	ThrowIfInvalidTruncatedSize(digestSize);
+	unsigned int fullDigestSize = DigestSize();
+	if (digestSize == fullDigestSize)
+		Final(digest);
+	else
+	{
+		SecByteBlock buffer(fullDigestSize);
+		Final(buffer);
+		memcpy(digest, buffer, digestSize);
+	}
+}
+
+NAMESPACE_END