Modern password hashing for your software and your servers
Project description
bcrypt
Modern password hashing for your software and your servers
Installation
To install bcrypt, simply:
$ pip install bcryptUsage
Basic
Hashing and then later checking that a password matches the previous hashed password is very simple:
>>> import bcrypt
>>> password = b"super secret password"
>>> # Hash a password for the first time, with a randomly-generated salt
>>> hashed = bcrypt.hashpw(password, bcrypt.gensalt())
>>> # Check that a unhashed password matches one that has previously been
>>> # hashed
>>> if bcrypt.hashpw(password, hashed) == hashed:
... print("It Matches!")
... else:
... print("It Does not Match :(")Adjustable Work Factor
One of bcrypt’s features is an adjustable logarithmic work factor. To adjust the work factor merely pass the desired number of rounds to bcrypt.gensalt(rounds=12) which defaults to 12):
>>> import bcrypt
>>> password = b"super secret password"
>>> # Hash a password for the first time, with a certain number of rounds
>>> hashed = bcrypt.hashpw(password, bcrypt.gensalt(14))
>>> # Check that a unhashed password matches one that has previously been
>>> # hashed
>>> if bcrypt.hashpw(password, hashed) == hashed:
... print("It Matches!")
... else:
... print("It Does not Match :(")Compatibility
This library should be compatible with py-bcrypt and it will run on Python 2.6+, 3.2+, and PyPy.
Security
bcrypt follows the same security policy as cryptography, if you identify a vulnerability, we ask you to contact us privately.
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