48 lines
1.4 KiB
Go
48 lines
1.4 KiB
Go
/*
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SSHSecure - a program to harden OpenSSH from defaults
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Copyright (C) 2020 Brent Saner
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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package sshkeys
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import (
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`encoding/binary`
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`github.com/go-restruct/restruct`
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)
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// These are just here to save some typing.
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func getBytelenStr(s string) []byte {
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return getBytelenByteArr([]byte(s))
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}
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func getBytelenByteArr(b []byte) []byte {
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return getByteInt(len(b))
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}
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func getByteInt(i int) []byte {
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// This does not work. Despite being a uint32, golang always only writes it as 1 byte instead of 4.
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// ...Despite it occupying 4 bytes in RAM.
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// Luckily we can reuse this quick one-liner in getSingleByteInt().
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// return []byte{byte(i)}
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b := make([]byte, 4)
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b, _ = restruct.Pack(binary.BigEndian, uint32(i))
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return b
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}
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func getSingleByteInt(i int) []byte {
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return []byte{byte(uint32(i))}
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} |