From ed55585309391d8b38ca47383a2aee84274129c6 Mon Sep 17 00:00:00 2001
From: kneutron <50146127+kneutron@users.noreply.github.com>
Date: Wed, 1 Jun 2022 22:09:42 -0500
Subject: [PATCH] Add files via upload

---
 ssh-speed-test-localhost.sh | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 ssh-speed-test-localhost.sh

diff --git a/ssh-speed-test-localhost.sh b/ssh-speed-test-localhost.sh
new file mode 100644
index 0000000..8ea5e24
--- /dev/null
+++ b/ssh-speed-test-localhost.sh
@@ -0,0 +1,37 @@
+#!/bin/bash
+
+# Adapted from: https://www.systutorials.com/improving-sshscp-performance-by-choosing-ciphers/
+
+# if not exist, create
+[ -e $HOME/.ssh/id_rsa.pub ] || ssh-keygen -t rsa -q -N ''
+
+# Passwordless run
+ssh-copy-id $(whoami)@localhost
+
+echo "$(date) - Running timing tests"
+for i in 3des-cbc \
+ aes128-cbc aes128-ctr aes128-gcm@openssh.com \
+ aes192-cbc aes192-ctr \
+ aes256-cbc aes256-ctr aes256-gcm@openssh.com \
+ arcfour arcfour128 arcfour256  \
+ blowfish-cbc \
+ cast128-cbc  \
+ chacha20-poly1305@openssh.com \
+ rijndael-cbc@lysator.liu.se; 
+do 
+  dd if=/dev/zero bs=1000000 count=1000 2>/dev/null \
+   |ssh -c $i localhost "(time -p cat) >/dev/null" 2>&1 \
+   |grep real \
+   |awk '{print "'$i': "1000 / $2" MB/s" }'
+done |column -t
+
+date
+
+exit;
+
+aes128-ctr:                     104.822  MB/s
+aes128-gcm@openssh.com:         85.1789  MB/s
+aes192-ctr:                     91.4077  MB/s
+aes256-ctr:                     79.1766  MB/s
+aes256-gcm@openssh.com:         71.8907  MB/s
+chacha20-poly1305@openssh.com:  168.35   MB/s