wudi

Moved to git repository: https://github.com/denji/golang-tls

Generate private key (.key)

# Key considerations for algorithm "RSA" ≥ 2048-bit
openssl genrsa -out server.key 2048

# Key considerations for algorithm "ECDSA" ≥ secp384r1
# List ECDSA the supported curves (openssl ecparam -list_curves)

wudi

// Node v6.9.0

//
// TEST FILE (cut down for simplicity)
// To ensure Golang encrypted string can be decrypted in NodeJS.
//

let crypto;
try {
  crypto = require('crypto');

wudi

package main

import (
	"bytes"
	"crypto/aes"
	"crypto/cipher"
	"encoding/hex"
	"fmt"
)

wudi

# post_loc.txt contains the json you want to post
# -p means to POST it
# -H adds an Auth header (could be Basic or Token)
# -T sets the Content-Type
# -c is concurrent clients
# -n is the number of requests to run in the test

ab -p post_loc.txt -T application/json -H 'Authorization: Token abcd1234' -c 10 -n 2000 http://example.com/api/v1/locations/

wudi

In the console

export SLACK_DEVELOPER_MENU=true
open /Applications/Slack.app

In slack UI

right-click on anything -> inspect element

wudi

/*
Copyright (c) 2017 Chris Patuzzo
https://twitter.com/chrispatuzzo

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

wudi

server {
  root /var/www/example.com/static;
  server_name example.com;
  access_log /var/log/nginx/example.com.access.log;
  error_log /var/log/nginx/example.com.error.log;

  try_files /maintenance.html @proxy;

  location @proxy {
    proxy_pass http://127.0.0.1:10001;

wudi

#
# Name: nginx-tls.conf
# Auth: Gavin Lloyd <gavinhungry@gmail.com>
# Desc: Nginx SSL/TLS configuration for "A+" Qualys SSL Labs rating
#
# Enables HTTP/2, PFS, HSTS and OCSP stapling. Configuration options not related
# to SSL/TLS are omitted here.
#
# Example: https://www.ssllabs.com/ssltest/analyze.html?d=gavinhungry.io
#

wudi

#define SHOW_BITS(a) ({ \
    printf("Variable `%s`: ", #a);\
    show_bits(&a, sizeof(a));\
})

void show_uchar(unsigned char a)
{
    for(int i = 7; i >= 0; i-= 1) 
        printf("%d", ((a >> i) & 1));
}

wudi