Skip to content

Python extension for Fernet encryption/decryption, faster than other alternatives.

License

Notifications You must be signed in to change notification settings

bartosz-rippling/rfernet

This branch is 1 commit behind aviramha/rfernet:master.

Folders and files

NameName
Last commit message
Last commit date
Jul 19, 2023
Aug 9, 2021
Aug 9, 2021
Aug 17, 2021
Feb 1, 2024
Feb 1, 2024
Jan 7, 2020
Jan 8, 2020
Feb 1, 2024
Feb 1, 2024
Aug 9, 2021
Aug 9, 2021
Jan 8, 2020

Repository files navigation

rfernet

Python extension for Fernet encryption/decryption, faster than other alternatives. This library uses the rust library fernet-rs https://github.com/mozilla-services/fernet-rs.

CI & Building wheels copied from cryptography and orjson

Benchmark

Compared to cryptography's Fernet (CPU):

In [2]: from cryptography.fernet import Fernet as cFernet

In [3]: from rfernet import Fernet as rFernet

In [4]:

In [4]: plain = b"asd" * 1000

In [5]: key = rFernet.generate_new_key()

In [7]: r_fernet = rFernet(key)

In [8]: c_fernet = cFernet(key)

In [9]: %timeit r_fernet.encrypt(plain)
18.4 µs ± 117 ns per loop (mean ± std. dev. of 7 runs, 100000 loops each)

In [10]: %timeit c_fernet.encrypt(plain)
77.7 µs ± 921 ns per loop (mean ± std. dev. of 7 runs, 10000 loops each)

Memory:

# rfernet
[ Top 10 ]
<frozen importlib._bootstrap>:219: size=4444 B, count=38, average=117 B
test2.py:4: size=576 B, count=1, average=576 B
<frozen importlib._bootstrap_external>:59: size=156 B, count=1, average=156 B
test2.py:6: size=93 B, count=1, average=93 B
<frozen importlib._bootstrap>:371: size=80 B, count=1, average=80 B
<frozen importlib._bootstrap>:105: size=72 B, count=1, average=72 B
<frozen importlib._bootstrap_external>:1352: size=56 B, count=1, average=56 B
<frozen importlib._bootstrap_external>:606: size=56 B, count=1, average=56 B
test2.py:7: size=48 B, count=1, average=48 B
<frozen importlib._bootstrap_external>:1030: size=40 B, count=1, average=40 B

# cryptography's Fernet
[ Top 10 ]
<frozen importlib._bootstrap_external>:525: size=3134 KiB, count=31814, average=101 B
/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/cryptography/hazmat/bindings/openssl/binding.py:91: size=449 KiB, count=3169, average=145 B
<frozen importlib._bootstrap>:219: size=404 KiB, count=3384, average=122 B
/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/abc.py:126: size=146 KiB, count=717, average=209 B
/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/cryptography/hazmat/bindings/openssl/binding.py:89: size=119 KiB, count=1773, average=69 B
/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/abc.py:127: size=68.7 KiB, count=447, average=157 B
/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/inspect.py:2793: size=46.8 KiB, count=282, average=170 B
<frozen importlib._bootstrap_external>:59: size=41.7 KiB, count=265, average=161 B
/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/abc.py:135: size=40.8 KiB, count=339, average=123 B
/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/idna/idnadata.py:826: size=36.7 KiB, count=3, average=12.2 KiB

Memory test source code:

import tracemalloc

tracemalloc.start()
from cryptography.fernet import Fernet as cFernet
plain = b"asd" * 1000
key = cFernet.generate_key()
c_fernet = cFernet(key)
c_fernet.encrypt(plain)

snapshot = tracemalloc.take_snapshot()
top_stats = snapshot.statistics('lineno')

print("[ Top 10 ]")
for stat in top_stats[:10]:
    print(stat)

About

Python extension for Fernet encryption/decryption, faster than other alternatives.

Resources

License

Stars

Watchers

Forks

Packages

No packages published

Languages

  • Python 52.8%
  • Rust 47.2%