1 files changed, 31 insertions, 0 deletions
diff --git a/src/common/md5.h b/src/common/md5.h
new file mode 100644
index 00000000..dbf4893c
--- /dev/null
+++ b/src/common/md5.h
@@ -0,0 +1,31 @@
+// Copyright 2007 Google Inc. All Rights Reserved.
+// Author: liuli@google.com (Liu Li)
+#ifndef COMMON_MD5_H__
+#define COMMON_MD5_H__
+
+#include <stdint.h>
+
+typedef uint32_t u32;
+typedef uint8_t u8;
+
+struct MD5Context {
+  u32 buf[4];
+  u32 bits[2];
+  u8 in[64];
+};
+
+#ifdef __cplusplus
+extern "C" {
+#endif  // __cplusplus
+
+void MD5Init(struct MD5Context *ctx);
+
+void MD5Update(struct MD5Context *ctx, unsigned char const *buf, unsigned len);
+
+void MD5Final(unsigned char digest[16], struct MD5Context *ctx);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  // COMMON_MD5_H__