diff --git a/include/fctypes.h b/include/fctypes.h
index 0ac15c0..fa2368c 100644
--- a/include/fctypes.h
+++ b/include/fctypes.h
@@ -439,11 +439,17 @@ typedef Handle PexNodeIteratorMocks__Handle;
  * PexNodeSetMocks__Handle Handle, struct mocks.PexNodeSet
  */
 typedef Handle PexNodeSetMocks__Handle;
+
 /**
  * PubKeyMocks__Handle Handle, struct mocks.PubKey
  */
 typedef Handle PubKeyMocks__Handle;
 
+/**
+ * SecKeyMocks__Handle Handle, struct mocks.SecKey
+ */
+typedef Handle SecKeyMocks__Handle;
+
 // Callbacks
 
 /**
diff --git a/lib/cgo/coin.mocks.SecKey.go b/lib/cgo/coin.mocks.SecKey.go
new file mode 100644
index 0000000..0969a44
--- /dev/null
+++ b/lib/cgo/coin.mocks.SecKey.go
@@ -0,0 +1,50 @@
+package main
+
+import "reflect"
+
+/*
+
+  #include <string.h>
+  #include <stdlib.h>
+
+  #include "fctypes.h"
+*/
+import "C"
+
+//export FC_mocks_SecKey_Bytes
+func FC_mocks_SecKey_Bytes(__m *C.SecKeyMocks__Handle, _arg0 *C.GoSlice_) (____error_code uint32) {
+	_m, ok_m := lookupSecKeyMocksHandle(*__m)
+	if !ok_m {
+		____error_code = FC_BAD_HANDLE
+		return
+	}
+	__arg0 := _m.Bytes()
+	copyToGoSlice(reflect.ValueOf(__arg0), _arg0)
+	return
+}
+
+//export FC_mocks_SecKey_Null
+func FC_mocks_SecKey_Null(__m *C.SecKeyMocks__Handle, _arg0 *bool) (____error_code uint32) {
+	_m, ok_m := lookupSecKeyMocksHandle(*__m)
+	if !ok_m {
+		____error_code = FC_BAD_HANDLE
+		return
+	}
+	__arg0 := _m.Null()
+	*_arg0 = __arg0
+	return
+}
+
+//export FC_mocks_SecKey_Verify
+func FC_mocks_SecKey_Verify(__m *C.SecKeyMocks__Handle) (____error_code uint32) {
+	_m, ok_m := lookupSecKeyMocksHandle(*__m)
+	if !ok_m {
+		____error_code = FC_BAD_HANDLE
+		return
+	}
+	____return_err := _m.Verify()
+	____error_code = libErrorCode(____return_err)
+	if ____return_err == nil {
+	}
+	return
+}
diff --git a/lib/cgo/handles b/lib/cgo/handles
index 26d69dd..21cd236 100644
--- a/lib/cgo/handles
+++ b/lib/cgo/handles
@@ -61,4 +61,5 @@ CGOGEN HANDLES mocks__PEX|PEXMocks
 CGOGEN HANDLES mocks__PexNode|PexNodeMocks
 CGOGEN HANDLES mocks__PexNodeIterator|PexNodeIteratorMocks
 CGOGEN HANDLES mocks__PexNodeSet|PexNodeSetMocks
-CGOGEN HANDLES mocks__PubKey|PubKeyMocks
\ No newline at end of file
+CGOGEN HANDLES mocks__PubKey|PubKeyMocks
+CGOGEN HANDLES mocks__SecKey|SecKeyMocks
\ No newline at end of file
diff --git a/lib/cgo/libfc_handle.go b/lib/cgo/libfc_handle.go
index 47f19cd..7cec9ed 100644
--- a/lib/cgo/libfc_handle.go
+++ b/lib/cgo/libfc_handle.go
@@ -807,3 +807,17 @@ func lookupPubKeyMocksHandle(handle C.PubKeyMocks__Handle) (*mocks.PubKey, bool)
 func registerPubKeyMocksHandle(obj *mocks.PubKey) C.PubKeyMocks__Handle {
 	return (C.PubKeyMocks__Handle)(registerHandle(obj))
 }
+
+func lookupSecKeyMocksHandle(handle C.SecKeyMocks__Handle) (*mocks.SecKey, bool) {
+	obj, ok := lookupHandle(C.Handle(handle))
+	if ok {
+		if obj, isOK := (obj).(*mocks.SecKey); isOK {
+			return obj, true
+		}
+	}
+	return nil, false
+}
+
+func registerSecKeyMocksHandle(obj *mocks.SecKey) C.SecKeyMocks__Handle {
+	return (C.SecKeyMocks__Handle)(registerHandle(obj))
+}