Current failure on hash computing

test_sha_base64.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Authentication"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Following the instructions at:\n",
    "https://cognitohq.com/docs/authenticating"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "import json\n",
    "import base64\n",
    "import hashlib"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'{\"data\": {\"type\": \"profile\"}}'"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "body_dict = {\"data\": {\"type\": \"profile\"}}\n",
    "body_str = json.dumps(body_dict)\n",
    "body_str"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'280ffd96fd55bcb81f08b85f193a18bfe2c03c24ea037ef80f798e9341a17d8c'"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "sha = hashlib.sha256(body_str.encode()).hexdigest()\n",
    "sha_byte = sha.encode()\n",
    "sha"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'MjgwZmZkOTZmZDU1YmNiODFmMDhiODVmMTkzYTE4YmZlMmMwM2MyNGVhMDM3ZWY4MGY3OThlOTM0MWExN2Q4Yw=='"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "base64.b64encode(sha_byte).decode()\n",
    "# expected 0ScxH9+s7WbgysSzEMsD7xAq6Je0siYjdcVE6PSmpm4="
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "and I can't understand so far why it's not the same output as expected"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "---"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Also double checking all encodings available in base64:"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "all_base64_methods = base64.__dict__.get('__all__')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "b64encode = MjgwZmZkOTZmZDU1YmNiODFmMDhiODVmMTkzYTE4YmZlMmMwM2MyNGVhMDM3ZWY4MGY3OThlOTM0MWExN2Q4Yw==\n",
      "b32encode = GI4DAZTGMQ4TMZTEGU2WEY3CHAYWMMBYMI4DKZRRHEZWCMJYMJTGKMTDGAZWGMRUMVQTAMZXMVTDQMDGG44TQZJZGM2DCYJRG5SDQYY=\n",
      "b16encode = 32383066666439366664353562636238316630386238356631393361313862666532633033633234656130333765663830663739386539333431613137643863\n",
      "b85encode = GB_}1W@I@wW@I%rVq;=BF=jA0VmLKsF*!3~F*ssoWin$hGh;F|WnnNgH)UoxFlIM7IAu9AG%;Z@H)J?t\n",
      "a85encode = 1,pt\"An3n[An3bV@Uik,0kN+!@Q65W0f_$u0fWWSAMRaL1Li0sARR8K2e?S\\0P37(3+Y*+1biDn2e4mX\n",
      "standard_b64encode = MjgwZmZkOTZmZDU1YmNiODFmMDhiODVmMTkzYTE4YmZlMmMwM2MyNGVhMDM3ZWY4MGY3OThlOTM0MWExN2Q4Yw==\n",
      "urlsafe_b64encode = MjgwZmZkOTZmZDU1YmNiODFmMDhiODVmMTkzYTE4YmZlMmMwM2MyNGVhMDM3ZWY4MGY3OThlOTM0MWExN2Q4Yw==\n"
     ]
    }
   ],
   "source": [
    "for method in all_base64_methods:\n",
    "    if method.endswith('encode'):\n",
    "        b64callable = getattr(base64, method)\n",
    "        try:\n",
    "            print(method, \"=\", b64callable(sha_byte).decode())\n",
    "        except TypeError:\n",
    "            # skipping methods with different parameters\n",
    "            pass"
   ]
  }
 ],
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