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// for parsing rev 6 QT metadata
data = //..
meta = //..
readNullStr = (buf, idx) => {
chars = []
while(buf[idx] != 0) {
chars.push(buf[idx])
idx++;
// README: writeup @ https://blog.bithole.dev/blogposts/ctf-writeups/squarectf-nauseous-process/
const readline = require("readline");
const {spawn} = require("child_process");
let rbp = null, retaddr = null;
let index = null;
let times = 0; // number of times we have seen 0x3d48--the first occurrence is not the real GOT
let times2 = 0; // our current offset within GOT
// README: writeup @ https://blog.bithole.dev/blogposts/ctf-writeups/udctf-strong-primes/
// generate some small primes for trial division
const sieve = new Uint8Array(1e7);
const smallprimes = [];
for(let i = 2; i < sieve.length; i++) {
if(!sieve[i]) {
smallprimes.push(BigInt(i));
for(let j = i; j < sieve.length; j += i) {
// Efficient modular exponentiation using BigInts
// Based on pseudocode from https://en.wikipedia.org/wiki/Modular_exponentiation
// !! NEVER use this method for actual cryptographic applications !!
const powMod = (base, exponent, modulus) => {
if(modulus == 1n) {
return 0n;
}
let result = 1n;

Keybase proof

I hereby claim:

  • I am adrian154 on github.
  • I am bithole (https://keybase.io/bithole) on keybase.
  • I have a public key whose fingerprint is A30C 4FEE 8843 24A2 2DC7 8ED1 F6B8 7EE1 30D2 D6C5

To claim this, I am signing this object:

package dev.bithole.bpf;
import java.lang.UnsatisfiedLinkError;
import java.io.File;
import java.io.IOException;
import java.lang.ExceptionInInitializerError;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.FileOutputStream;
public class BPF {
module.exports = (func, concurrency) => {
let numRunning = 0;
const queue = [];
const invoke = ({args, resolve, reject}) => {
func(...args)
.then(resolve)
.catch(reject)
.finally(() => {
// extremely bad ad-hoc pgm parser
// ONLY SUPPORTS 16-BIT PGMs!!
const fs = require("fs");
module.exports = options => {
let width, height, pixels;
if(options.path) {
abydos
abuser
acetyl
actins
adhort
admits
advent
affixt
agents
agrote
#!/bin/bash
while curl -sS "https://bruins.admission.ucla.edu/myApplication/Status.aspx" | tac | grep -q 'currently unavailable'
do
sleep 10
done
while true;
do
echo 'AVAILABLE!!'
echo $'\a'
sleep 3