adding GPL

sshkeys/bufutils.go

@@ -0,0 +1,32 @@
+/*
+   SSHSecure - a program to harden OpenSSH from defaults
+   Copyright (C) 2020  Brent Saner
+
+   This program 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.
+
+   This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+package sshkeys
+
+// These are just here to save  some typing.
+func getBytelenStr(s string) []byte {
+	return getByteInt(len(s))
+}
+
+func getBytelenByteArr(b []byte) []byte {
+	return getByteInt(len(b))
+}
+
+func getByteInt(i int) []byte {
+	return []byte{byte(i)}
+}