all: update license information (#16089)

3 files changed, 18 insertions, 2 deletions

diff --git a/cmd/ethkey/inspect.go b/cmd/ethkey/inspect.go
index 219a5460b..dbf5afc0c 100644
--- a/cmd/ethkey/inspect.go
+++ b/cmd/ethkey/inspect.go
@@ -1,3 +1,19 @@
+// Copyright 2017 The go-ethereum Authors
+// This file is part of go-ethereum.
+//
+// go-ethereum is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// go-ethereum is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
+
 package main
 
 import (
diff --git a/cmd/ethkey/message_test.go b/cmd/ethkey/message_test.go
index fb16f03d0..39352b1d2 100644
--- a/cmd/ethkey/message_test.go
+++ b/cmd/ethkey/message_test.go
@@ -1,4 +1,4 @@
-// Copyright 2017 The go-ethereum Authors
+// Copyright 2018 The go-ethereum Authors
 // This file is part of go-ethereum.
 //
 // go-ethereum is free software: you can redistribute it and/or modify
diff --git a/cmd/ethkey/run_test.go b/cmd/ethkey/run_test.go
index 8ce4fe5cd..6006f6b5b 100644
--- a/cmd/ethkey/run_test.go
+++ b/cmd/ethkey/run_test.go
@@ -1,4 +1,4 @@
-// Copyright 2017 The go-ethereum Authors
+// Copyright 2018 The go-ethereum Authors
 // This file is part of go-ethereum.
 //
 // go-ethereum is free software: you can redistribute it and/or modify