diff --git a/src/include/sha1.h b/src/include/sha1.h
index 0e1f225e..6da7e22f 100644
--- a/src/include/sha1.h
+++ b/src/include/sha1.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: sha1.h,v 1.8 1997/07/15 01:54:23 millert Exp $	*/
+/*	$OpenBSD: sha1.h,v 1.9 1999/02/03 03:13:18 angelos Exp $	*/
 
 /*
  * SHA-1 in C
@@ -23,4 +23,20 @@ char *SHA1End __P((SHA1_CTX *, char *));
 char *SHA1File __P((char *, char *));
 char *SHA1Data __P((const u_char *, size_t, char *));
 
+#define SHA1_DIGESTSIZE       20
+#define SHA1_BLOCKSIZE        64
+#define HTONDIGEST(x) { \
+      x[0] = htonl(x[0]); \
+      x[1] = htonl(x[1]); \
+      x[2] = htonl(x[2]); \
+      x[3] = htonl(x[3]); \
+      x[4] = htonl(x[4]); }
+
+#define NTOHDIGEST(x) { \
+      x[0] = ntohl(x[0]); \
+      x[1] = ntohl(x[1]); \
+      x[2] = ntohl(x[2]); \
+      x[3] = ntohl(x[3]); \
+      x[4] = ntohl(x[4]); }
+
 #endif /* _SHA1_H */