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A command-line tool for testing SSL/TLS handshake latency, written in Go.

ssl-handshake A command-line tool for testing SSL/TLS handshake latency, written in Go. What is an SSL/TLS Handshake? An SSL/TLS handshake is the proc
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Category: Golang / Command Line
Watchers: 1
Star: 8
Fork: 1
Last update: Dec 27, 2021
Resource links
https://github.com/tuladhar/ssl-handshake

ssl-handshake

A command-line tool for testing SSL/TLS handshake latency, written in Go.

What is an SSL/TLS Handshake?

An SSL/TLS handshake is the process that kicks off a communication session between client and server that uses TLS encryption. During a TLS handshake, the two communicating sides exchange messages to acknowledge each other, verify each other, establish the encryption algorithms they will use, and agree on session keys. TLS handshakes are a foundational part of how HTTPS works and it is defined in RFC 8446 (for TLS 1.3) or in RFC 5246 (for TLS 1.2).

TLS handshakes occur after a TCP connection has been opened via a TCP handshake.

image

TLS handshake packets captured with Wireshark.

image

Installation

Binary is available for Linux, Windows and Mac OS (amd64 and arm64). Download the binary for your respective platform from the releases page.

Linux:

curl -sSLO https://github.com/tuladhar/ssl-handshake/releases/download/v1.5.2/ssl-handshake-v1.5.2-linux-amd64.tar.gz

tar zxf ssl-handshake-v1.5.2-linux-amd64.tar.gz

sudo install -m 0755 ssl-handshake /usr/local/bin/ssl-handshake

macOS (Intel):

curl -sSLO https://github.com/tuladhar/ssl-handshake/releases/download/v1.5.2/ssl-handshake-v1.5.2-darwin-amd64.tar.gz

tar zxf ssl-handshake-v1.5.2-darwin-amd64.tar.gz

sudo install -m 0755 ssl-handshake /usr/local/bin/ssl-handshake

macOS (Apple Silicon):

curl -sSLO https://github.com/tuladhar/ssl-handshake/releases/download/v1.5.2/ssl-handshake-v1.5.2-darwin-arm64.tar.gz

tar zxf ssl-handshake-v1.5.2-darwin-arm64.tar.gz

sudo install -m 0755 ssl-handshake /usr/local/bin/ssl-handshake

Windows:

curl -sSLO https://github.com/tuladhar/ssl-handshake/releases/download/v1.5.2/ssl-handshake-v1.5.2-windows-amd64.zip

unzip ssl-handshake-v1.5.2-windows-amd64.zip

Demo

Development

If you wish to contribute or compile from source code, you'll first need Go installed on your machine. Go version 1.17+ is required. Currently, there are no dependencies on third-party modules.

git clone https://github.com/tuladhar/ssl-handshake
cd ssl-handshake 
go build

Contributors

0 Open More issues
Closed

New feature: Show TLS Version used during the handshake

This PR adds support to show TLS version used during the handshake.

Supported TLS versions:

  • tls1.0, tls1.1, tls1.2, tls1.3
[[email protected] ssl-handshake]$ ./ssl-handshake -c 3 tuladhar.github.io:443
Starting ssl-handshake v1.5.2 ( https://tuladhar.github.com/ssl-handshake ) at Wed, 29 Dec 2021 15:11:26 +0545
SSL handshake with tuladhar.github.io:443: tcp=286ms handshake=52ms version=tls1.3 total=338ms
SSL handshake with tuladhar.github.io:443: tcp=55ms handshake=58ms version=tls1.3 total=113ms
SSL handshake with tuladhar.github.io:443: tcp=58ms handshake=60ms version=tls1.3 total=118ms

--- tuladhar.github.io:443 handshake statistics ---
3 handshakes sent, finish: 3, fail: 0, time: 2000ms
rtt min/avg/max: 52/56/60 ms
opened Dec 29, 2021 by tuladhar 0
Closed

ssl-handshake: Docker support

This PR adds Dockerfile for ssl-handshake to be used as a Docker container. The docker image is available at DockerHub: https://hub.docker.com/r/ptuladhar/ssl-handshake

Usage:

docker run --rm ptuladhar/ssl-handshake tuladhar.github.com:443
enhancement 
opened Dec 28, 2021 by tuladhar 0
Closed

Decouple TCP connection from handshake process, providing more accurate SSL handshake latency.

Changelog

  • Decouple TCP connection from handshake process, providing more accurate SSL handshake latency.
  • Improve statistics output
  • Update README and with new demo
opened Dec 25, 2021 by tuladhar 0

Contents

    publiusfederalist Encrypt and decrypt strings using handshake names and their associated keys
    publiusfederalist Handshake's Community is Toxic
    mafintosh Add SSL config to nginx
    async-rs async-tls - Asynchronous TLS/SSL streams using Rustls
    prantlf Prints timings of a HTTP/S request, including DNS lookup, TLS handshake etc.
    htools-org A dissector for Wireshark written in Lua that decodes Handshake packets.
    mesalock-linux OpenSSL compatibility layer for the Rust SSL/TLS stack
    async-email async-native-tls - Native TLS using futures
    drwetter Testing TLS/SSL encryption anywhere on any port
    facebookincubator C++14 implementation of the TLS-1.3 standard
    christianalfoni Command line tool to create self signed SSL certificate
    robinrodricks An FTP and FTPS client for .NET & .NET Standard, optimized for speed. Provides extensive FTP commands, File uploads/downloads, SSL/TLS connections, Automatic directory listing parsing, File hashing/checksums, File permissions/CHMOD, FTP proxies, FXP support, UTF-8 support, Async/await support, Powershell support and more. Written entirely in C#, with no external dependencies.
    robinrodricks An FTP and FTPS client for .NET & .NET Standard, optimized for speed. Provides extensive FTP commands, File uploads/downloads, SSL/TLS connections, Automatic directory listing parsing, File hashing/checksums, File permissions/CHMOD, FTP proxies, FXP support, UTF-8 support, Async/await support, Powershell support and more. Written entirely in C#, with no external dependencies.
    genuinetools Command line tool to check the validity and expiration dates of SSL certificates.
    openssl TLS/SSL and crypto library
    apple TLS Support for SwiftNIO, based on BoringSSL.
    chronoxor Ultra fast and low latency asynchronous socket server & client C# .NET Core library with support TCP, SSL, UDP, HTTP, HTTPS, WebSocket protocols and 10K connections problem solution.
    aws s2n : an implementation of the TLS/SSL protocols
    stjepang Async TLS/SSL streams using rustls
    sfackler rust-native-tls — Bindings for native TLS libraries
    varnish A scalable TLS proxy by Varnish Software.
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