Hashing.ipynb

{"nbformat_minor": 0, "cells": [{"execution_count": 1, "cell_type": "code", "source": "import hashlib\nimport os\nimport binascii\ndef hash_plaintext(password, salt=None):\n    if salt is None or len(salt) < 8:\n        salt = os.urandom(8)\n    salt = salt[:8]\n    hashed = hashlib.pbkdf2_hmac('sha256', password, salt, 100000)\n    hashed_password = salt + hashed\n    return binascii.hexlify(hashed_password)", "outputs": [], "metadata": {"collapsed": true, "trusted": true}}, {"execution_count": 6, "cell_type": "code", "source": "password = 'toomanysecrets'\nhashed_password = hash_plaintext(password)\nraw_hash = binascii.unhexlify(hashed_password)\ncheck = 'toomanysecrets'\nsalt = raw_hash[:8]\nhashed_check = hash_plaintext(check, salt)\n\nhashed_password == hashed_check", "outputs": [{"execution_count": 6, "output_type": "execute_result", "data": {"text/plain": "True"}, "metadata": {}}], "metadata": {"collapsed": false, "trusted": true}}, {"execution_count": null, "cell_type": "code", "source": "", "outputs": [], "metadata": {"collapsed": true, "trusted": true}}], "nbformat": 4, "metadata": {"kernelspec": {"display_name": "Python 2", "name": "python2", "language": "python"}, "language_info": {"mimetype": "text/x-python", "nbconvert_exporter": "python", "version": "2.7.10", "name": "python", "file_extension": ".py", "pygments_lexer": "ipython2", "codemirror_mode": {"version": 2, "name": "ipython"}}}}