bellbind

# Basics of Elliptic Curve Cryptography implementation on Python
import collections


def inv(n, q):
    """div on PN modulo a/b mod q as a * inv(b, q) mod q
    >>> assert n * inv(n, q) % q == 1
    """
    for i in range(q):
        if (n * i) % q == 1:

brandonb927

#!/bin/sh

###
# SOME COMMANDS WILL NOT WORK ON macOS (Sierra or newer)
# For Sierra or newer, see https://github.com/mathiasbynens/dotfiles/blob/master/.macos
###

# Alot of these configs have been taken from the various places
# on the web, most from here
# https://github.com/mathiasbynens/dotfiles/blob/5b3c8418ed42d93af2e647dc9d122f25cc034871/.osx

jedisct1

#include "tweetnacl.h"

#define FOR(i,n) for (i = 0;i < n;++i)
#define sv static void

typedef unsigned char u8;
typedef unsigned int u32;
typedef unsigned long long u64;
typedef long long i64;
typedef i64 gf[16];

trevp

#!/usr/bin/env python
"""
Experimental password KDF using AES256-CBC.
Written by Trevor Perrin.
Hereby placed in the public domain.
Thanks to Joe Bonneau and Marsh Ray for feeback.

Requires pycrypto.  Try "easy_install pycrypto".

Ex:

ryancdotorg

#!/usr/bin/env python

import sys
import gmpy

import curve25519

from struct import pack
from hashlib import sha256
from binascii import hexlify, unhexlify

atcuno

The purpose of this document is to make recommendations on how to browse in a privacy and security conscious manner. This information is compiled from a number of sources, which are referenced throughout the document, as well as my own experiences with the described technologies.

I welcome contributions and comments on the information contained. Please see the How to Contribute section for information on contributing your own knowledge.

Table of Contents

• Motivation
• Audience
• TL;DR?
• Updates
• Technologies that Affect Security and Privacy

grugq

Simple Security Guidelines

Using an iDevice? (Best option)

• Use an iPod or an iPad without a SIM card
• Use an iPhone
• Do not jailbreak
• Always upgrade to new iOS versions
• Use Brave browser

Need Secure chat?

bishboria

These links no longer work. Springer have pulled the free plug.

Graduate texts in mathematics

duplicates = multiple editions

A Classical Introduction to Modern Number Theory, Kenneth Ireland Michael Rosen

A Classical Introduction to Modern Number Theory, Kenneth Ireland Michael Rosen

defeo

Key exchange in supersingular space-time

I was asked to vulgarize SIDH. Here is a very poor attempt!

Alice and Bob are space travelers. They both own a spaceship capable of traveling the galaxy through supersingular space-time at incredible speeds. They want to discuss a top-secret space mission, but they are afraid that the evil Zkptrx will spy upon their

Tset-Noitamotua

"++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
"                                                                              "
"                       __   _ _ _ __ ___  _ __ ___                            "
"                       \ \ / / | '_ ` _ \| '__/ __|                           "
"                        \ V /| | | | | | | | | (__                            "
"                         \_/ |_|_| |_| |_|_|  \___|                           "
"                                                                              "
"                                                                              "
"++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"