ref: adding copyright headers and licensing files
Change-Id: I135f73159c3e010f7faf14f1215bbd74eb32c2cb
diff --git a/cmd/principal/bless.go b/cmd/principal/bless.go
index 23c237a..aff6b1a 100644
--- a/cmd/principal/bless.go
+++ b/cmd/principal/bless.go
@@ -1,3 +1,7 @@
+// Copyright 2015 The Vanadium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
package main
import (
diff --git a/cmd/principal/caveat.go b/cmd/principal/caveat.go
index 867e20c..2f98264 100644
--- a/cmd/principal/caveat.go
+++ b/cmd/principal/caveat.go
@@ -1,3 +1,7 @@
+// Copyright 2015 The Vanadium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
package main
import (
diff --git a/cmd/principal/main.go b/cmd/principal/main.go
index 3f18568..bc6d9d7 100644
--- a/cmd/principal/main.go
+++ b/cmd/principal/main.go
@@ -1,3 +1,7 @@
+// Copyright 2015 The Vanadium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
// The following enables go generate to generate the doc.go file.
//go:generate go run $VANADIUM_ROOT/release/go/src/v.io/x/lib/cmdline/testdata/gendoc.go .
diff --git a/cmd/principal/main_darwin.go b/cmd/principal/main_darwin.go
index bceafd2..6b72080 100644
--- a/cmd/principal/main_darwin.go
+++ b/cmd/principal/main_darwin.go
@@ -1,3 +1,7 @@
+// Copyright 2015 The Vanadium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
// +build darwin
package main
diff --git a/cmd/principal/main_linux.go b/cmd/principal/main_linux.go
index cb73c65..431b01a 100644
--- a/cmd/principal/main_linux.go
+++ b/cmd/principal/main_linux.go
@@ -1,3 +1,7 @@
+// Copyright 2015 The Vanadium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
// +build linux
package main
diff --git a/cmd/principal/main_nacl.go b/cmd/principal/main_nacl.go
index 9dea3b5..e22d317 100644
--- a/cmd/principal/main_nacl.go
+++ b/cmd/principal/main_nacl.go
@@ -1,3 +1,7 @@
+// Copyright 2015 The Vanadium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
package main
const openCommand = ""
diff --git a/cmd/principal/principal_v23_test.go b/cmd/principal/principal_v23_test.go
index 74c1745..f023f23 100644
--- a/cmd/principal/principal_v23_test.go
+++ b/cmd/principal/principal_v23_test.go
@@ -1,3 +1,7 @@
+// Copyright 2015 The Vanadium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
package main_test
import (
