{"id":135410,"date":"2024-09-06T12:31:01","date_gmt":"2024-09-06T07:01:01","guid":{"rendered":"https:\/\/www.vskills.in\/certification\/tutorial\/?page_id=135410"},"modified":"2024-09-06T12:31:02","modified_gmt":"2024-09-06T07:01:02","slug":"password-hashing-with-passlib","status":"publish","type":"page","link":"https:\/\/www.vskills.in\/certification\/tutorial\/password-hashing-with-passlib\/","title":{"rendered":"Password Hashing with Passlib"},"content":{"rendered":"\n

Storing plain-text passwords in a database is a security risk. To protect user credentials, it’s essential to use strong password hashing algorithms. Passlib is a popular Python library that provides various password hashing algorithms and utilities. In this guide, we’ll demonstrate how to use Passlib to hash passwords in a FastAPI application.<\/p>\n\n\n\n

Installing Passlib<\/strong><\/h2>\n\n\n\n

Install Passlib using pip:<\/p>\n\n\n\n

Bash<\/p>\n\n\n\n

pip install passlib\n<\/code><\/pre>\n\n\n\n
Hashing Passwords<\/strong><\/h2>\n\n\n\n
Use the hash<\/code> function from Passlib to hash a password:<\/p>\n\n\n\n
Python<\/p>\n\n\n\n
from passlib.context import CryptContext\n\npwd_context = CryptContext(schemes=[\"bcrypt\"], deprecated=\"auto\")\n\ndef hash_password(password: str):\n    return pwd_context.hash(password)   \n<\/code><\/pre>\n\n\n\n
Verifying Passwords<\/strong><\/h2>\n\n\n\n
Use the verify<\/code> function to verify a password against a hashed password:<\/p>\n\n\n\n
Python<\/p>\n\n\n\n
def verify_password(plain_password, hashed_password):\n    return pwd_context.verify(plain_password, hashed_password)\n<\/code><\/pre>\n\n\n\n
Integrating with FastAPI<\/strong><\/h2>\n\n\n\n
Modify your user registration endpoint to hash the password before storing it in the database:<\/p>\n\n\n\n
Python<\/p>\n\n\n\n
from app.utils import hash_password\n\n@router.post(\"\/register\", response_model=UserSchema)\nasync def register_user(user: UserCreate, db: Session = Depends(get_db)):\n    # ...\n    hashed_password = hash_password(user.password)\n    db_user = User(email=user.email, password=hashed_password)\n    # ...\n<\/code><\/pre>\n\n\n\n
Testing Password Hashing<\/strong><\/h2>\n\n\n\n
Write tests to ensure that passwords are hashed correctly and cannot be easily reversed:<\/p>\n\n\n\n
Python<\/p>\n\n\n\n
def test_hash_password(client):\n    password = \"password123\"\n    hashed_password = hash_password(password)\n    assert hashed_password != password\n    assert pwd_context.verify(password, hashed_password)<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
Storing plain-text passwords in a database is a security risk. To protect user credentials, it’s essential to use strong password hashing algorithms. Passlib is a popular Python library that provides various password hashing algorithms and utilities. In this guide, we’ll demonstrate how to use Passlib to hash passwords in a FastAPI application. Installing Passlib Install…<\/p>\n","protected":false},"author":16,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-135410","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nPassword Hashing with Passlib - Tutorial<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vskills.in\/certification\/tutorial\/password-hashing-with-passlib\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Password Hashing with Passlib - Tutorial\" \/>\n<meta property=\"og:description\" content=\"Storing plain-text passwords in a database is a security risk. To protect user credentials, it’s essential to use strong password hashing algorithms. Passlib is a popular Python library that provides various password hashing algorithms and utilities. In this guide, we’ll demonstrate how to use Passlib to hash passwords in a FastAPI application. 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