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1 files changed, 33 insertions, 0 deletions

diff --git a/external/vpc/public/tier1/checksum_md5.h b/external/vpc/public/tier1/checksum_md5.h
new file mode 100644
index 0000000..3692cf1
--- /dev/null
+++ b/external/vpc/public/tier1/checksum_md5.h
@@ -0,0 +1,33 @@
+//========= Copyright � 1996-2005, Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Generic MD5 hashing algo
+//
+//=============================================================================//
+
+#ifndef CHECKSUM_MD5_H
+#define CHECKSUM_MD5_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+// 16 bytes == 128 bit digest
+#define MD5_DIGEST_LENGTH 16  
+
+// MD5 Hash
+typedef struct
+{
+	unsigned int	buf[4];
+    unsigned int	bits[2];
+    unsigned char	in[64];
+} MD5Context_t;
+
+void MD5Init( MD5Context_t *context );
+void MD5Update( MD5Context_t *context, unsigned char const *buf, unsigned int len );
+void MD5Final( unsigned char digest[ MD5_DIGEST_LENGTH ], MD5Context_t *context );
+
+char *MD5_Print(unsigned char *digest, int hashlen );
+
+unsigned int MD5_PseudoRandom(unsigned int nSeed);
+
+#endif // CHECKSUM_MD5_H