diff --git a/mozilla/netwerk/build/Makefile.in b/mozilla/netwerk/build/Makefile.in
index e2bcb56b2c4..e6fae61b963 100644
--- a/mozilla/netwerk/build/Makefile.in
+++ b/mozilla/netwerk/build/Makefile.in
@@ -41,6 +41,7 @@ REQUIRES	= xpcom \
 		  locale \
 		  intl \
 		  uconv \
+		  caps \
 		  $(ZLIB_REQUIRES) \
 		  $(NULL)
 
diff --git a/mozilla/netwerk/build/makefile.win b/mozilla/netwerk/build/makefile.win
index 24cac16963f..73d586825b5 100644
--- a/mozilla/netwerk/build/makefile.win
+++ b/mozilla/netwerk/build/makefile.win
@@ -35,6 +35,7 @@ REQUIRES	= xpcom \
 		  intl \
 		  uconv \
 		  zlib \
+		  caps \
 		  $(NULL)
 
 include <$(DEPTH)/config/config.mak>
diff --git a/mozilla/netwerk/build/nsNetCID.h b/mozilla/netwerk/build/nsNetCID.h
index 7ab199460e4..8c2aa96966d 100644
--- a/mozilla/netwerk/build/nsNetCID.h
+++ b/mozilla/netwerk/build/nsNetCID.h
@@ -306,6 +306,13 @@
     {0x83, 0xcf, 0x09, 0x09, 0xe1, 0x8a, 0x09, 0x3a} \
 }
 
+#define NS_HTTPDIGESTAUTH_CID \
+{ /* 17491ba4-1dd2-11b2-aae3-de6b92dab620 */         \
+    0x17491ba4,                                      \
+    0x1dd2,                                          \
+    0x11b2,                                          \
+    {0xaa, 0xe3, 0xde, 0x6b, 0x92, 0xda, 0xb6, 0x20} \
+}
 
 /******************************************************************************
  * netwerk/protocol/res/ classes
diff --git a/mozilla/netwerk/build/nsNetModule.cpp b/mozilla/netwerk/build/nsNetModule.cpp
index 19525f7ea97..61cd412d177 100644
--- a/mozilla/netwerk/build/nsNetModule.cpp
+++ b/mozilla/netwerk/build/nsNetModule.cpp
@@ -113,6 +113,9 @@ NS_GENERIC_FACTORY_CONSTRUCTOR(nsStorageTransport)
 #include "nsHttpBasicAuth.h"
 NS_GENERIC_FACTORY_CONSTRUCTOR(nsHttpBasicAuth)
 
+#include "nsHttpDigestAuth.h"
+NS_GENERIC_FACTORY_CONSTRUCTOR(nsHttpDigestAuth)
+
 ///////////////////////////////////////////////////////////////////////////////
 
 #include "nsResProtocolHandler.h"
@@ -912,6 +915,11 @@ static nsModuleComponentInfo gNetModuleInfo[] = {
       NS_HTTP_AUTHENTICATOR_CONTRACTID_PREFIX "basic",
       nsHttpBasicAuthConstructor },
 
+    { "HTTP Digest Auth Encoder",
+      NS_HTTPDIGESTAUTH_CID,
+      NS_HTTP_AUTHENTICATOR_CONTRACTID_PREFIX "digest",
+      nsHttpDigestAuthConstructor },
+
     // from netwerk/protocol/data:
     { "Data Protocol Handler", 
       NS_DATAHANDLER_CID,