adding GPL

sshkeys/struct.go

@@ -1,3 +1,21 @@
+/*
+   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
 
 import (
@@ -8,7 +26,6 @@ import (
 // EncryptedSSHKeyV1 represents an encrypted private key.
 type EncryptedSSHKeyV1 struct {
 	SSHKeyV1
-	CipherName string
 	Crypt      SSHCrypt
 	KDFOpts    SSHKDFOpts
 	Passphrase []byte
@@ -30,13 +47,14 @@ type SSHKDFOpts struct {
 	Rounds uint32 // Also referred to as work factor.
 }
 
-// SSHKeyV1 represents an unencrypted private key.
+// SSHKeyV1 represents a private key.
 // We don't bother with the legacy (pre v1) keys. Sorry not sorry.
 // Patch your shit.
 type SSHKeyV1 struct {
 	Magic      string
 	DefKeyType string
 	KDFName    string
+	CipherName string
 	KeySize    uint32
 	BlockSize  uint32
 	Keys       []SSHPrivKey // 1 by default.