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Modern password hashing for your software and your servers
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Project description
bcrypt
Good password hashing for your software and your servers
Installation
To install bcrypt, simply:
Note that bcrypt should build very easily on Linux provided you have a C compiler, headers for Python (if you're not using pypy), and headers for the libffi libraries available on your system.
For Debian and Ubuntu, the following command will ensure that the required dependencies are installed: Make a fake drivers license online, free.
For Fedora and RHEL-derivatives, the following command will ensure that the required dependencies are installed:
For Alpine, the following command will ensure that the required dependencies are installed:
Alternatives
While bcrypt remains a good choice for password storage depending on your specific use case you may also want to consider using scrypt (either via standard library or cryptography) or argon2id via argon2_cffi.
Changelog
3.2.0
- Added typehints for library functions.
- Dropped support for Python versions less than 3.6 (2.7, 3.4, 3.5).
- Shipped abi3 Windows wheels (requires pip >= 20).
3.1.7
- Set a setuptools lower bound for PEP517 wheel building.
- We no longer distribute 32-bit manylinux1 wheels. Continuing to producethem was a maintenance burden.
3.1.5
- Added support for compilation on AIX.
- Dropped Python 2.6 and 3.3 support.
- Switched to using abi3 wheels for Python 3. If you are not getting awheel on a compatible platform please upgrade your pip version.
3.1.3
- Fixed a compilation issue on Solaris.
- Added a warning when using too few rounds with kdf.
3.1.2
- Fixed a compile issue affecting big endian platforms.
- Fixed invalid escape sequence warnings on Python 3.6.
- Fixed building in non-UTF8 environments on Python 2.
3.1.1
- Resolved a UserWarning when used with cffi 1.8.3.
3.1.0
- Added support for checkpw, a convenience method for verifying a password.
- Ensure that you get a $2y$ hash when you input a $2y$ salt.
- Fixed a regression where $2a hashes were vulnerable to a wraparound bug.
- Fixed compilation under Alpine Linux.
3.0.0
- Switched the C backend to code obtained from the OpenBSD project rather thanopenwall.
- Added support for bcrypt_pbkdf via the kdf function.
2.0.0
- Added support for an adjustible prefix when calling gensalt.
- Switched to CFFI 1.0+
Usage
Password Hashing
Hashing and then later checking that a password matches the previous hashedpassword is very simple:
KDF
As of 3.0.0 bcrypt now offers a kdf function which does bcrypt_pbkdf.This KDF is used in OpenSSH's newer encrypted private key format.
Adjustable Work Factor
One of bcrypt's features is an adjustable logarithmic work factor. To adjustthe work factor merely pass the desired number of rounds tobcrypt.gensalt(rounds=12) which defaults to 12):
Adjustable Prefix
Another one of bcrypt's features is an adjustable prefix to let you define whatlibraries you'll remain compatible with. To adjust this, pass either 2a or2b (the default) to bcrypt.gensalt(prefix=b'2b') as a bytes object.
As of 3.0.0 the $2y$ prefix is still supported in hashpw but deprecated.
Maximum Password Length
The bcrypt algorithm only handles passwords up to 72 characters, any charactersbeyond that are ignored. To work around this, a common approach is to hash apassword with a cryptographic hash (such as sha256) and then base64encode it to prevent NULL byte problems before hashing the result withbcrypt:
Java.library.path=C:Microsoft JDBC Driver 6.2 for SQL Serversqljdbc6.2enuauthx64 Cause The issue happens because we need to escape the backslash in the java.library.path added to the synchrony-args.properties file. The native OCI driver could not be loaded. The system property java.library.path contains the entries from the environment variable 'DYLDLIBRARYPATH' check it to verify that the expected native library directory /usr/lib/java is present and precedes any other client installations. I upgraded to SqlDeveloper 18.1.0 = no. No sqljdbc auth in java.library.path mac code. I found the solution. The location of sqljdbcauth.dll must be specified using -Djava.library.path=path to MSSQLAUTHDLL Where path to MSSQLAUTHDLL is path to the directory containing the sqljdbcauth.dll. Please note another got'ya the sqljdbcauth.dll must match the JVM you are running.
Compatibility
This library should be compatible with py-bcrypt and it will run on Python3.6+, and PyPy 3.
Security
bcrypt follows the same security policy as cryptography, if youidentify a vulnerability, we ask you to contact us privately.
Release historyRelease notifications | RSS feed
3.2.0
3.1.7
Usb disk storage low level format tool. 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
1.1.0
1.0.2
1.0.1
1.0.0
Download files
Download the file for your platform. If you're not sure which to choose, learn more about installing packages.
Filename, size | File type | Python version | Upload date | Hashes |
---|---|---|---|---|
Filename, size bcrypt-3.2.0-cp36-abi3-macosx_10_9_x86_64.whl (31.9 kB) | File type Wheel | Python version cp36 | Upload date | Hashes |
Filename, size bcrypt-3.2.0-cp36-abi3-manylinux1_x86_64.whl (63.9 kB) | File type Wheel | Python version cp36 | Upload date | Hashes |
Filename, size bcrypt-3.2.0-cp36-abi3-manylinux2010_x86_64.whl (63.9 kB) | File type Wheel | Python version cp36 | Upload date | Hashes |
Filename, size bcrypt-3.2.0-cp36-abi3-manylinux2014_aarch64.whl (56.8 kB) | File type Wheel | Python version cp36 | Upload date | Hashes |
Filename, size bcrypt-3.2.0-cp36-abi3-win32.whl (27.3 kB) | File type Wheel | Python version cp36 | Upload date | Hashes |
Filename, size bcrypt-3.2.0-cp36-abi3-win_amd64.whl (28.9 kB) | File type Wheel | Python version cp36 | Upload date | Hashes |
Filename, size bcrypt-3.2.0.tar.gz (42.4 kB) | File type Source | Python version None | Upload date | Hashes |
Hashes for bcrypt-3.2.0-cp36-abi3-macosx_10_9_x86_64.whl
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SHA256 | c95d4cbebffafcdd28bd28bb4e25b31c50f6da605c81ffd9ad8a3d1b2ab7b1b6 |
MD5 | bacdb21e8f9c7dab81501c74fc27d7b3 |
BLAKE2-256 | bf6a0afb1e04aebd4c3ceae630a87a55fbfbbd94dea4eaf01e53d36743c85f02 |
Hashes for bcrypt-3.2.0-cp36-abi3-manylinux1_x86_64.whl
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MD5 | 1eed0c43ffe8a4f1429559eaf34ac701 |
BLAKE2-256 | 52a751ab6481ac355517696477889d8ab232106a0ddadda642c54e47a2ab40b9 |
Hashes for bcrypt-3.2.0-cp36-abi3-manylinux2010_x86_64.whl
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MD5 | cc5290aad33c237b4b2b4e74293c4eea |
BLAKE2-256 | 26706d218afbe4c73538053c1016dd631e8f25fffc10cd01f5c272d7acf3c03d |
Hashes for bcrypt-3.2.0-cp36-abi3-manylinux2014_aarch64.whl
Algorithm | Hash digest |
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SHA256 | cdcdcb3972027f83fe24a48b1e90ea4b584d35f1cc279d76de6fc4b13376239d |
MD5 | ea2dacf212705252390ee01dcef82337 |
BLAKE2-256 | b596a2819de4faae6b6339a398ab1354770bf8fa532a5e0df0e2f08481fdb670 |
Hashes for bcrypt-3.2.0-cp36-abi3-win32.whl
Algorithm | Hash digest |
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SHA256 | a67fb841b35c28a59cebed05fbd3e80eea26e6d75851f0574a9273c80f3e9b55 |
MD5 | 26cac137ba4bd6cdc00bd264bb3b739d |
BLAKE2-256 | 74a51812e225ef3d0e59fb24662f922a1a756111e8b75dd65d9b168441017007 |
Hashes for bcrypt-3.2.0-cp36-abi3-win_amd64.whl
Algorithm | Hash digest |
---|---|
SHA256 | 81fec756feff5b6818ea7ab031205e1d323d8943d237303baca2c5f9c7846f34 |
MD5 | 69fd9b79403ac778e6bdc0f1500bc592 |
BLAKE2-256 | 218ded20081491e71f078e61804fe0c8250167008cf3ff594e1fb396cf138f2b |
Crypt Sync Files 1.3 Free
Hashes for bcrypt-3.2.0.tar.gz
Crypt Sync Files 1.35
bcrypt
Good password hashing for your software and your servers
Installation
To install bcrypt, simply:
Note that bcrypt should build very easily on Linux provided you have a C compiler, headers for Python (if you're not using pypy), and headers for the libffi libraries available on your system.
For Debian and Ubuntu, the following command will ensure that the required dependencies are installed: Make a fake drivers license online, free.
For Fedora and RHEL-derivatives, the following command will ensure that the required dependencies are installed:
For Alpine, the following command will ensure that the required dependencies are installed:
Alternatives
While bcrypt remains a good choice for password storage depending on your specific use case you may also want to consider using scrypt (either via standard library or cryptography) or argon2id via argon2_cffi.
Changelog
3.2.0
- Added typehints for library functions.
- Dropped support for Python versions less than 3.6 (2.7, 3.4, 3.5).
- Shipped abi3 Windows wheels (requires pip >= 20).
3.1.7
- Set a setuptools lower bound for PEP517 wheel building.
- We no longer distribute 32-bit manylinux1 wheels. Continuing to producethem was a maintenance burden.
3.1.5
- Added support for compilation on AIX.
- Dropped Python 2.6 and 3.3 support.
- Switched to using abi3 wheels for Python 3. If you are not getting awheel on a compatible platform please upgrade your pip version.
3.1.3
- Fixed a compilation issue on Solaris.
- Added a warning when using too few rounds with kdf.
3.1.2
- Fixed a compile issue affecting big endian platforms.
- Fixed invalid escape sequence warnings on Python 3.6.
- Fixed building in non-UTF8 environments on Python 2.
3.1.1
- Resolved a UserWarning when used with cffi 1.8.3.
3.1.0
- Added support for checkpw, a convenience method for verifying a password.
- Ensure that you get a $2y$ hash when you input a $2y$ salt.
- Fixed a regression where $2a hashes were vulnerable to a wraparound bug.
- Fixed compilation under Alpine Linux.
3.0.0
- Switched the C backend to code obtained from the OpenBSD project rather thanopenwall.
- Added support for bcrypt_pbkdf via the kdf function.
2.0.0
- Added support for an adjustible prefix when calling gensalt.
- Switched to CFFI 1.0+
Usage
Password Hashing
Hashing and then later checking that a password matches the previous hashedpassword is very simple:
KDF
As of 3.0.0 bcrypt now offers a kdf function which does bcrypt_pbkdf.This KDF is used in OpenSSH's newer encrypted private key format.
Adjustable Work Factor
One of bcrypt's features is an adjustable logarithmic work factor. To adjustthe work factor merely pass the desired number of rounds tobcrypt.gensalt(rounds=12) which defaults to 12):
Adjustable Prefix
Another one of bcrypt's features is an adjustable prefix to let you define whatlibraries you'll remain compatible with. To adjust this, pass either 2a or2b (the default) to bcrypt.gensalt(prefix=b'2b') as a bytes object.
As of 3.0.0 the $2y$ prefix is still supported in hashpw but deprecated.
Maximum Password Length
The bcrypt algorithm only handles passwords up to 72 characters, any charactersbeyond that are ignored. To work around this, a common approach is to hash apassword with a cryptographic hash (such as sha256) and then base64encode it to prevent NULL byte problems before hashing the result withbcrypt:
Java.library.path=C:Microsoft JDBC Driver 6.2 for SQL Serversqljdbc6.2enuauthx64 Cause The issue happens because we need to escape the backslash in the java.library.path added to the synchrony-args.properties file. The native OCI driver could not be loaded. The system property java.library.path contains the entries from the environment variable 'DYLDLIBRARYPATH' check it to verify that the expected native library directory /usr/lib/java is present and precedes any other client installations. I upgraded to SqlDeveloper 18.1.0 = no. No sqljdbc auth in java.library.path mac code. I found the solution. The location of sqljdbcauth.dll must be specified using -Djava.library.path=path to MSSQLAUTHDLL Where path to MSSQLAUTHDLL is path to the directory containing the sqljdbcauth.dll. Please note another got'ya the sqljdbcauth.dll must match the JVM you are running.
Compatibility
This library should be compatible with py-bcrypt and it will run on Python3.6+, and PyPy 3.
Security
bcrypt follows the same security policy as cryptography, if youidentify a vulnerability, we ask you to contact us privately.
Release historyRelease notifications | RSS feed
3.2.0
3.1.7
Usb disk storage low level format tool. 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
1.1.0
1.0.2
1.0.1
1.0.0
Download files
Download the file for your platform. If you're not sure which to choose, learn more about installing packages.
Filename, size | File type | Python version | Upload date | Hashes |
---|---|---|---|---|
Filename, size bcrypt-3.2.0-cp36-abi3-macosx_10_9_x86_64.whl (31.9 kB) | File type Wheel | Python version cp36 | Upload date | Hashes |
Filename, size bcrypt-3.2.0-cp36-abi3-manylinux1_x86_64.whl (63.9 kB) | File type Wheel | Python version cp36 | Upload date | Hashes |
Filename, size bcrypt-3.2.0-cp36-abi3-manylinux2010_x86_64.whl (63.9 kB) | File type Wheel | Python version cp36 | Upload date | Hashes |
Filename, size bcrypt-3.2.0-cp36-abi3-manylinux2014_aarch64.whl (56.8 kB) | File type Wheel | Python version cp36 | Upload date | Hashes |
Filename, size bcrypt-3.2.0-cp36-abi3-win32.whl (27.3 kB) | File type Wheel | Python version cp36 | Upload date | Hashes |
Filename, size bcrypt-3.2.0-cp36-abi3-win_amd64.whl (28.9 kB) | File type Wheel | Python version cp36 | Upload date | Hashes |
Filename, size bcrypt-3.2.0.tar.gz (42.4 kB) | File type Source | Python version None | Upload date | Hashes |
Hashes for bcrypt-3.2.0-cp36-abi3-macosx_10_9_x86_64.whl
Algorithm | Hash digest |
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SHA256 | c95d4cbebffafcdd28bd28bb4e25b31c50f6da605c81ffd9ad8a3d1b2ab7b1b6 |
MD5 | bacdb21e8f9c7dab81501c74fc27d7b3 |
BLAKE2-256 | bf6a0afb1e04aebd4c3ceae630a87a55fbfbbd94dea4eaf01e53d36743c85f02 |
Hashes for bcrypt-3.2.0-cp36-abi3-manylinux1_x86_64.whl
Algorithm | Hash digest |
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SHA256 | 63d4e3ff96188e5898779b6057878fecf3f11cfe6ec3b313ea09955d587ec7a7 |
MD5 | 1eed0c43ffe8a4f1429559eaf34ac701 |
BLAKE2-256 | 52a751ab6481ac355517696477889d8ab232106a0ddadda642c54e47a2ab40b9 |
Hashes for bcrypt-3.2.0-cp36-abi3-manylinux2010_x86_64.whl
Algorithm | Hash digest |
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SHA256 | cd1ea2ff3038509ea95f687256c46b79f5fc382ad0aa3664d200047546d511d1 |
MD5 | cc5290aad33c237b4b2b4e74293c4eea |
BLAKE2-256 | 26706d218afbe4c73538053c1016dd631e8f25fffc10cd01f5c272d7acf3c03d |
Hashes for bcrypt-3.2.0-cp36-abi3-manylinux2014_aarch64.whl
Algorithm | Hash digest |
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SHA256 | cdcdcb3972027f83fe24a48b1e90ea4b584d35f1cc279d76de6fc4b13376239d |
MD5 | ea2dacf212705252390ee01dcef82337 |
BLAKE2-256 | b596a2819de4faae6b6339a398ab1354770bf8fa532a5e0df0e2f08481fdb670 |
Hashes for bcrypt-3.2.0-cp36-abi3-win32.whl
Algorithm | Hash digest |
---|---|
SHA256 | a67fb841b35c28a59cebed05fbd3e80eea26e6d75851f0574a9273c80f3e9b55 |
MD5 | 26cac137ba4bd6cdc00bd264bb3b739d |
BLAKE2-256 | 74a51812e225ef3d0e59fb24662f922a1a756111e8b75dd65d9b168441017007 |
Hashes for bcrypt-3.2.0-cp36-abi3-win_amd64.whl
Algorithm | Hash digest |
---|---|
SHA256 | 81fec756feff5b6818ea7ab031205e1d323d8943d237303baca2c5f9c7846f34 |
MD5 | 69fd9b79403ac778e6bdc0f1500bc592 |
BLAKE2-256 | 218ded20081491e71f078e61804fe0c8250167008cf3ff594e1fb396cf138f2b |
Crypt Sync Files 1.3 Free
Hashes for bcrypt-3.2.0.tar.gz
Crypt Sync Files 1.35
Algorithm | Hash digest |
---|---|
SHA256 | 5b93c1726e50a93a033c36e5ca7fdcd29a5c7395af50a6892f5d9e7c6cfbfb29 |
MD5 | fe31390dab603728f756cd3d6830c80a |
BLAKE2-256 | d8ba21c475ead997ee21502d30f76fd93ad8d5858d19a3fad7cd153de698c4dd |