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#include "sha512.h"

#include <stdint.h>
#include <sys/random.h>

/*
 * RFC7748 X25519 Elliptic Curve Diffie-Hellman (ECDH) with Curve25519.
 * Montgomery curve y² = x³ + 486662x² + x over GF(p) = GF(2^255 - 19).
 *
 * 256-bit arithmetic modulo 2^255 - 19 implemented with 8 x 32-bit limbs :3

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#include "sha512.h"

#define ROR64(x, c) (((x) >> (c)) | ((x) << (64 - (c))))

#define LOAD64_BE(p)                \
    ( ((uint64_t)((p)[7]) <<  0)    \
    | ((uint64_t)((p)[6]) <<  8)    \
    | ((uint64_t)((p)[5]) << 16)    \
    | ((uint64_t)((p)[4]) << 24)    \
    | ((uint64_t)((p)[3]) << 32)    \

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#!/bin/sh
TARGET="${1:-./narnia}"
narnia() {
base64 -d <<EOF
f0VMRgIBAQAAAAAAAAAAAAMAPgABAAAAeABAAAAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAEAAOAAB
AEAAAAAAAAEAAAAFAAAAAAAAAAAAAAAAAEAAAAAAAAAAQAAAAAAApgAAAAAAAACmAAAAAAAAAAAQ
AAAAAAAAMf9XampqaVgPBVhfDwVIuC9iaW4vc2gASInmUEiJ50itSIk+SI1UxghqO1gPBQ==
EOF
}
if ! narnia | cmp -s "$TARGET"

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#!/bin/sh
# Show battery information similar to `acpi -b`
if [ -n "${*:-$BAT}" ]; then for BAT in "${@:-$BAT}"; do echo "$BAT"; done
else find /sys/class/power_supply/ -maxdepth 1 -name 'BAT*' | LC_ALL=C sort
fi | while IFS= read -r BAT; do
    if [ ! -r "$BAT" ] || [ ! -r "$BAT/uevent" ]; then
        printf '%s unreadable\n' "$BAT" >&2
        continue
    fi

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#!/bin/sh

TOTP() {
    TOTP_SECRET="${1:-GEZDGNBVGY3TQOJQGEZDGNBVGY3TQOJQ}"
    TOTP_DIGITS="${2:-6}"
    TOTP_STEP="${3:-30}"
    TOTP_TIME="${4:-"$(date '+%s')"}"
    TOTP_COUNTER="$((TOTP_TIME / TOTP_STEP))"
    printf '%016x' "${5:-$TOTP_COUNTER}" | xxd -r -p \
    | openssl dgst -sha1 -hmac "$(printf '%s' "$TOTP_SECRET" | base32 -d)" \

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#include <stddef.h>
#include <stdint.h>

#define LOAD32_LE(p)                \
    ( ((uint32_t)((p)[0]) <<  0)    \
    | ((uint32_t)((p)[1]) <<  8)    \
    | ((uint32_t)((p)[2]) << 16)    \
    | ((uint32_t)((p)[3]) << 24)    \
    )

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# Dynamic window title with zsh shell.
# Shows current directory and running (multi-line) command.
case "$TERM" in (rxvt|rxvt-*|st|st-*|*xterm*|(dt|k|E)term)
    local term_title () { print -n "\e]0;${(j: :q)@}\a" }
    precmd () {
      local DIR="$(print -P '[%c]%#')"
      term_title "$DIR" "zsh"
    }
    preexec () {
      local DIR="$(print -P '[%c]%#')"

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#include "rb_tree.h"

#define PARENT_BIT 1
#define COLOR_BIT 2
#define PARENT_MASK (PARENT_BIT | COLOR_BIT)

#define rb_is_red(n) ((n) != (void *)0 && ((n)->parent & COLOR_BIT))
#define rb_is_black(n) ((n) == (void *)0 || !((n)->parent & COLOR_BIT))
#define rb_set_red(n) ((n)->parent |= COLOR_BIT)
#define rb_set_black(n) ((n)->parent &= ~COLOR_BIT)

resilar

// rustc -O makeuniq.rs
// cat .bash_history | ./makeuniq > .bash_history_uniq

use std::io::{self, Write};
use std::io::prelude::BufRead;
use std::collections::HashSet;

fn main() {
    let mut uniqs = HashSet::new();

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use irc::command::{IrcCommand};

use futures::stream::{self, Stream};
use futures::sync::mpsc::{self, UnboundedReceiver, UnboundedSender};
use futures::{future, Future};

use tokio_core::net::TcpStream;
use tokio_core::reactor::Handle;
use tokio_io::{io, AsyncRead};