1 files changed, 25 insertions, 0 deletions
diff --git a/src/include/gpxe/md5.h b/src/include/gpxe/md5.h
new file mode 100644
index 000000000..5ae370fee
--- /dev/null
+++ b/src/include/gpxe/md5.h
@@ -0,0 +1,25 @@
+#ifndef _GPXE_MD5_H
+#define _GPXE_MD5_H
+
+#include <stdint.h>
+
+#define MD5_DIGEST_SIZE		16
+#define MD5_BLOCK_WORDS		16
+#define MD5_HASH_WORDS		4
+
+struct md5_context {
+	u32 hash[MD5_HASH_WORDS];
+	u32 block[MD5_BLOCK_WORDS];
+	u64 byte_count;
+};
+
+struct md5_hash {
+	u8 hash[MD5_DIGEST_SIZE];
+};
+
+extern void md5_init ( struct md5_context *context );
+extern void md5_update ( struct md5_context *context, const void *data,
+			 size_t len );
+extern void md5_finish ( struct md5_context *context, struct md5_hash *hash );
+
+#endif /* _GPXE_MD5_H */