ssh-benchmark

ssh-benchmark

#! /bin/bash

pgrep sshd >/dev/null || (echo "Please make sure SSH is running _locally_." && exit 1)

sz=${1:-128}

testfile=$(mktemp -p /run/user/$UID)
filename=$(basename $testfile)

echo "Generating temporary file, $sz MiB size. Supply a size argument to change. (Should be small enough to fit in RAM twice.)"

dd if=/dev/urandom of=$testfile bs=1048576 count=$sz

for cipher in 3des-cbc aes128-cbc aes128-ctr aes128-gcm@openssh.com arcfour arcfour128 blowfish-cbc cast128-cbc chacha20-poly1305@openssh.com; do
	echo ""
	echo "Cipher $cipher, without compression:"
	scp -c $cipher $testfile localhost:/run/user/$UID/out-$filename
	rm /run/user/$UID/out-$filename &>/dev/null
done

echo "Final test, compressed aes128-ctr:"
scp -C -c aes128-ctr $testfile localhost:/run/user/$UID/out-$filename

rm $testfile &>/dev/null
rm /run/user/$UID/out-$filename &>/dev/null