diff --git a/crypto/chaps_support.h b/crypto/chaps_support.h
new file mode 100644
index 0000000..6b44dcb
--- /dev/null
+++ b/crypto/chaps_support.h
@@ -0,0 +1,22 @@
+// Copyright 2020 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CRYPTO_CHAPS_SUPPORT_H_
+#define CRYPTO_CHAPS_SUPPORT_H_
+
+#include <secmodt.h>
+
+#include "crypto/crypto_export.h"
+
+namespace crypto {
+
+// Loads chaps module for this NSS session.
+CRYPTO_EXPORT SECMODModule* LoadChaps();
+
+// Returns true if chaps is the module to which |slot| is attached.
+CRYPTO_EXPORT bool IsSlotProvidedByChaps(PK11SlotInfo* slot);
+
+}  // namespace crypto
+
+#endif  // CRYPTO_CHAPS_SUPPORT_H_