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Feature1 #9

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b99acce
Added Hash and Salt
ParvN Apr 1, 2019
c9bb3eb
Added Hash and Salt
ParvN Apr 1, 2019
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115 changes: 115 additions & 0 deletions .ipynb_checkpoints/auth-checkpoint.ipynb
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Original file line number Diff line number Diff line change
@@ -0,0 +1,115 @@
{
"cells": [
{
"cell_type": "code",
"execution_count": 4,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Enter username:abc\n",
"Enter password:········\n",
"Authentication succeeded: {'abc': ['def', 1149, 'eeQPBTSPFd']}\n"
]
}
],
"source": [
"# %load auth.py\n",
"import pickle\n",
"import getpass\n",
"import random\n",
"import string\n",
"\n",
"def get_credentials():\n",
" username = input(\"Enter username:\")\n",
" password = getpass.getpass(\"Enter password:\")\n",
" return (username, password)\n",
"\n",
"def salt_generator():\n",
" # creating random string of size 10\n",
" chars = string.ascii_uppercase + string.ascii_lowercase\n",
" return ''.join(random.choice(chars) for _ in range(10))\n",
"\n",
"def count_password(pswd_salt):\n",
" # for creating hash function\n",
" # counting the ascii values of each character of password\n",
" count =0\n",
" for c in pswd_salt:\n",
" count = count + ord(c)\n",
" return count\n",
"\n",
"def authenticate(username, password, pwdb):\n",
" status = False\n",
" if username in pwdb:\n",
" if password == pwdb[username][0]:\n",
" status = True\n",
" else:\n",
" print('Wrong password!')\n",
" else:\n",
" salt_val = salt_generator()\n",
" pswd_salt = password+salt_val\n",
" hash_val = count_password(pswd_salt)\n",
" add_user(username, password, hash_val, salt_val, pwdb)\n",
"\n",
" return status\n",
"\n",
"def add_user(username, password, hash_val, salt_val, pwdb):\n",
" pwdb[username] = [password, hash_val, salt_val]\n",
" write_pwdb(pwdb)\n",
"\n",
"def read_pwdb():\n",
" try:\n",
" with open(\"pwdb.pkl\", \"rb\") as fh:\n",
" pwdb = pickle.load(fh)\n",
" except FileNotFoundError:\n",
" pwdb = {}\n",
"\n",
" return pwdb\n",
"\n",
"def write_pwdb(pwdb):\n",
" with open(\"pwdb.pkl\", \"wb\") as fh:\n",
" pickle.dump(pwdb, fh)\n",
"\n",
"\n",
"if __name__ == \"__main__\":\n",
" username, password = get_credentials()\n",
" pwdb = read_pwdb()\n",
" status = authenticate(username, password, pwdb)\n",
" if status:\n",
" print('Authentication succeeded:', pwdb)\n",
" else:\n",
" print('Authentication failed')\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.7.0"
}
},
"nbformat": 4,
"nbformat_minor": 2
}
115 changes: 115 additions & 0 deletions .ipynb_checkpoints/auth-checkpoint.py
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,115 @@
{
"cells": [
{
"cell_type": "code",
"execution_count": 4,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Enter username:abc\n",
"Enter password:········\n",
"Authentication succeeded: {'abc': ['def', 1149, 'eeQPBTSPFd']}\n"
]
}
],
"source": [
"# %load auth.py\n",
"import pickle\n",
"import getpass\n",
"import random\n",
"import string\n",
"\n",
"def get_credentials():\n",
" username = input(\"Enter username:\")\n",
" password = getpass.getpass(\"Enter password:\")\n",
" return (username, password)\n",
"\n",
"def salt_generator():\n",
" # creating random string of size 10\n",
" chars = string.ascii_uppercase + string.ascii_lowercase\n",
" return ''.join(random.choice(chars) for _ in range(10))\n",
"\n",
"def count_password(pswd_salt):\n",
" # for creating hash function\n",
" # counting the ascii values of each character of password\n",
" count =0\n",
" for c in pswd_salt:\n",
" count = count + ord(c)\n",
" return count\n",
"\n",
"def authenticate(username, password, pwdb):\n",
" status = False\n",
" if username in pwdb:\n",
" if password == pwdb[username][0]:\n",
" status = True\n",
" else:\n",
" print('Wrong password!')\n",
" else:\n",
" salt_val = salt_generator()\n",
" pswd_salt = password+salt_val\n",
" hash_val = count_password(pswd_salt)\n",
" add_user(username, password, hash_val, salt_val, pwdb)\n",
"\n",
" return status\n",
"\n",
"def add_user(username, password, hash_val, salt_val, pwdb):\n",
" pwdb[username] = [password, hash_val, salt_val]\n",
" write_pwdb(pwdb)\n",
"\n",
"def read_pwdb():\n",
" try:\n",
" with open(\"pwdb.pkl\", \"rb\") as fh:\n",
" pwdb = pickle.load(fh)\n",
" except FileNotFoundError:\n",
" pwdb = {}\n",
"\n",
" return pwdb\n",
"\n",
"def write_pwdb(pwdb):\n",
" with open(\"pwdb.pkl\", \"wb\") as fh:\n",
" pickle.dump(pwdb, fh)\n",
"\n",
"\n",
"if __name__ == \"__main__\":\n",
" username, password = get_credentials()\n",
" pwdb = read_pwdb()\n",
" status = authenticate(username, password, pwdb)\n",
" if status:\n",
" print('Authentication succeeded:', pwdb)\n",
" else:\n",
" print('Authentication failed')\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.7.0"
}
},
"nbformat": 4,
"nbformat_minor": 2
}
115 changes: 115 additions & 0 deletions auth.ipynb
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,115 @@
{
"cells": [
{
"cell_type": "code",
"execution_count": 4,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Enter username:abc\n",
"Enter password:········\n",
"Authentication succeeded: {'abc': ['def', 1149, 'eeQPBTSPFd']}\n"
]
}
],
"source": [
"# %load auth.py\n",
"import pickle\n",
"import getpass\n",
"import random\n",
"import string\n",
"\n",
"def get_credentials():\n",
" username = input(\"Enter username:\")\n",
" password = getpass.getpass(\"Enter password:\")\n",
" return (username, password)\n",
"\n",
"def salt_generator():\n",
" # creating random string of size 10\n",
" chars = string.ascii_uppercase + string.ascii_lowercase\n",
" return ''.join(random.choice(chars) for _ in range(10))\n",
"\n",
"def count_password(pswd_salt):\n",
" # for creating hash function\n",
" # counting the ascii values of each character of password\n",
" count =0\n",
" for c in pswd_salt:\n",
" count = count + ord(c)\n",
" return count\n",
"\n",
"def authenticate(username, password, pwdb):\n",
" status = False\n",
" if username in pwdb:\n",
" if password == pwdb[username][0]:\n",
" status = True\n",
" else:\n",
" print('Wrong password!')\n",
" else:\n",
" salt_val = salt_generator()\n",
" pswd_salt = password+salt_val\n",
" hash_val = count_password(pswd_salt)\n",
" add_user(username, password, hash_val, salt_val, pwdb)\n",
"\n",
" return status\n",
"\n",
"def add_user(username, password, hash_val, salt_val, pwdb):\n",
" pwdb[username] = [password, hash_val, salt_val]\n",
" write_pwdb(pwdb)\n",
"\n",
"def read_pwdb():\n",
" try:\n",
" with open(\"pwdb.pkl\", \"rb\") as fh:\n",
" pwdb = pickle.load(fh)\n",
" except FileNotFoundError:\n",
" pwdb = {}\n",
"\n",
" return pwdb\n",
"\n",
"def write_pwdb(pwdb):\n",
" with open(\"pwdb.pkl\", \"wb\") as fh:\n",
" pickle.dump(pwdb, fh)\n",
"\n",
"\n",
"if __name__ == \"__main__\":\n",
" username, password = get_credentials()\n",
" pwdb = read_pwdb()\n",
" status = authenticate(username, password, pwdb)\n",
" if status:\n",
" print('Authentication succeeded:', pwdb)\n",
" else:\n",
" print('Authentication failed')\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.7.0"
}
},
"nbformat": 4,
"nbformat_minor": 2
}
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