Sing Yu Chan pexcn

Shadowsocks 各加密方式的速度测试报告

shadowsocks-libev: v3.3.5-6329526199674ddda8d8396a66072890b244972b
shadowsocks-rust: v1.10.7
测试脚本: https://gist.github.com/pexcn/93b6ae3e137dfc11fda8a01abc6898fa

TL;DR (仅针对当前版本)

若不知道 CPU 是否支持 AES-NI, 则 chacha20-ietf-poly1305 为最稳妥的选择。
若 CPU 支持 AES-NI, 则 shadowsocks-rust 选择 aes-128-gcm, shadowsocks-libev 选择 aes-256-gcm 为最佳。

现代密码学实践指南[2015年]

标签（空格分隔）：密码学

本文介绍目前现代密码学的最先进技术，前半部分主要翻译自《Cryptographic Right Answers》，附上收集的资料，和byron个人的理解。

BDP = Bandwidth * RTT

e.g.:

Server
SO_RCVBUF: 125000000Bytes (1000Mbps), 0.02s (20ms)
125000000Bytes * 0.02s = 2500000Bytes
SO_SNDBUF: 125000000Bytes (1000Mbps), 0.165s (165ms)
125000000Bytes * 0.165s = 20625000Bytes

Fix magisk stock backup does not exist

# put stock boot.img into /sdcard/boot.img

# get sha1
adb shell
su
SHA1=$(cat $(magisk --path)/.magisk/config | grep SHA1 | cut -d '=' -f 2)

Unpack Android system.new.dat.br

pacman -S brotli p7zip
curl -L -o /usr/local/bin/sdat2img.py https://github.com/xpirt/sdat2img/raw/master/sdat2img.py && chmod +x sdat2img.py

brotli -d system.new.dat.br
sdat2img.py system.transfer.list system.new.dat system.img
7z -y -bsp0 -bso0 x system.img

	#!/bin/sh -e
	#
	# Hurricane Electric DDNS script for OpenWrt
	#
	# crontab: /5 * * * INTERFACE=pppoe-wan USE_PEERDNS=1 DOMAIN=example.com KEY=password /usr/bin/he-ddns.sh
	#
	set -o pipefail

	INTERFACE="${INTERFACE:-pppoe-wan}"
	DOMAIN="${DOMAIN:-example.com}"

	#!/bin/bash -e

	METHOD="$1"

	# prepare
	docker stop iperf-client ss-client ss-server iperf-server &>/dev/null \|\| true
	docker rm iperf-client ss-client ss-server iperf-server &>/dev/null \|\| true

	# iperf server
	docker run -d --rm --name iperf-server --network host pexcn/docker-images:iperf -s -B 127.0.0.1 -p 10000 >/dev/null

	#!/bin/sh -e
	# Converts OpenVZ VPS to Alpine Linux
	# WARNING: This script will wipe any data in your VPS!
	# GPLv2; Partly based on https://gitlab.com/drizzt/vps2arch

	server=http://images.linuxcontainers.org
	path=$(wget -O- ${server}/meta/1.0/index-system \| \
	grep -v edge \| awk '-F;' '($1=="alpine" && $3=="amd64") {print $NF}' \| tail -1)

	cd /

	[Solarized Darcula]
	text=d2d8d9
	cyan(bold)=15968d
	text(bold)=d2d8d9
	magenta=797fd4
	green=629655
	green(bold)=629655
	background=3d3f41
	cyan=15968d
	red(bold)=f24840

	@echo off
	setlocal

	rem https://github.com/eamodio/vscode-gitlens/issues/965#issuecomment-734013893

	set PATH=%~dp0usr\bin;%PATH%

	:loop
	if "%~1" equ "rev-parse" goto rev_parse
	shift