Cryptography in Python: Difference between revisions
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(Created page with "=Internal= * Python Code Examples =Organizatorium= requirements.txt: <syntaxhighlight lang='text'> cryptography == 3.4.7 </syntaxhighlight> <font color=darkkhaki>NOT TEST...") |
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* [[Python Code Examples]] | * [[Python Code Examples]] | ||
=Organizatorium= | =Organizatorium= | ||
==Symmetric Cryptography== | |||
requirements.txt: | requirements.txt: | ||
<syntaxhighlight lang='text'> | <syntaxhighlight lang='text'> | ||
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# decrypt | # decrypt | ||
clear_data_2 = init_fernet(password.encode('utf-8')). | clear_data_2 = init_fernet(password.encode('utf-8')).decrypt(cypher_data) | ||
</syntaxhighlight> | </syntaxhighlight> | ||
Revision as of 23:44, 3 March 2022
Internal
Organizatorium
Symmetric Cryptography
requirements.txt:
cryptography == 3.4.7
NOT TESTED:
from cryptography.fernet import Fernet
from cryptography.hazmat.backends import default_backend
from cryptography.hazmat.primitives import hashes
from cryptography.hazmat.primitives.kdf.pbkdf2 import PBKDF2HMAC
def init_fernet(password):
key = PBKDF2HMAC(algorithm=hashes.SHA256(), length=32, salt=b'some-salt',
iterations=1000, backend=default_backend()).derive(password)
return Fernet(base64.urlsafe_b64encode(key))
# encrypt
password = ...
clear_data = ...
cypher_data = init_fernet(password.encode('utf-8')).encrypt(clear_data)
# decrypt
clear_data_2 = init_fernet(password.encode('utf-8')).decrypt(cypher_data)