Modern password hashing for your software and your servers

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organization icon Python Cryptographic Authority
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Project description

bcrypt

https://travis-ci.org/pyca/bcrypt.png?branch=master

Modern password hashing for your software and your servers

Installation

To install bcrypt, simply:

$ pip install bcrypt

Usage

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.

Project details

Verified details

These details have been verified by PyPI
Owner
organization icon Python Cryptographic Authority
Maintainers
Avatar for reaperhulk from gravatar.com reaperhulk

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Release history Release notifications | RSS feed

4.2.0

4.1.3

4.1.2

4.1.1

4.1.0 yanked

Reason this release was yanked:

Incompatibility with assumptions made by passlib.

4.0.1

4.0.0

3.2.2

3.2.1

3.2.0

3.1.7

3.1.6

3.1.5

3.1.4

3.1.3

3.1.2

3.1.1

3.1.0

3.0.0

2.0.0

1.1.1

This version

1.1.0

1.0.2

1.0.1

1.0.0

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