diff -r 000000000000 -r 6474c204b198 security/nss/lib/libpkix/pkix/checker/pkix_signaturechecker.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/security/nss/lib/libpkix/pkix/checker/pkix_signaturechecker.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,44 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+/*
+ * pkix_signaturechecker.h
+ *
+ * Header file for validate signature function
+ *
+ */
+
+#ifndef _PKIX_SIGNATURECHECKER_H
+#define _PKIX_SIGNATURECHECKER_H
+
+#include "pkix_tools.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct pkix_SignatureCheckerState pkix_SignatureCheckerState;
+
+struct pkix_SignatureCheckerState {
+        PKIX_Boolean prevCertCertSign;
+        PKIX_UInt32 certsRemaining;
+        PKIX_PL_PublicKey *prevPublicKey; /* Subject PubKey of last cert */
+        PKIX_List *prevPublicKeyList; /* of PKIX_PL_PublicKey */
+        PKIX_PL_OID *keyUsageOID;
+};
+
+PKIX_Error *
+pkix_SignatureChecker_Initialize(
+        PKIX_PL_PublicKey *trustedPubKey,
+        PKIX_UInt32 certsRemaining,
+        PKIX_CertChainChecker **pChecker,
+        void *plContext);
+
+PKIX_Error *
+pkix_SignatureCheckerState_RegisterSelf(void *plContext);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _PKIX_SIGNATURECHECKER_H */