Kedvtelésből írom ezt a kódot, ami arra szolgál, hogy jegyzeteket blokkláncba mentsen.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 

46 lines
1.2 KiB

"""Generate cryptographically strong pseudo-random numbers suitable for
managing secrets such as account authentication, tokens, and similar.
See PEP 506 for more information.
https://www.python.org/dev/peps/pep-0506/
Amit nem hasznalok belole azt kivettem!
Eredeti forras: https://raw.githubusercontent.com/python/cpython/3.7/Lib/secrets.py
"""
__all__ = ['choice', 'randbelow', 'randbits', 'SystemRandom',
'token_bytes', 'token_hex', 'token_urlsafe',
'compare_digest',
]
import base64
import binascii
import os
from hmac import compare_digest
from random import SystemRandom
_sysrand = SystemRandom()
randbits = _sysrand.getrandbits
choice = _sysrand.choice
DEFAULT_ENTROPY = 64 # number of bytes to return by default
def token_bytes(nbytes=None):
"""Return a random byte string containing *nbytes* bytes.
>>> token_bytes(16) #doctest:+SKIP
b'\\xebr\\x17D*t\\xae\\xd4\\xe3S\\xb6\\xe2\\xebP1\\x8b'"""
if nbytes is None:
nbytes = DEFAULT_ENTROPY
return os.urandom(nbytes)
def token_hex(nbytes=None):
"""Return a random text string, in hexadecimal.
>>> token_hex(16) #doctest:+SKIP
'f9bf78b9a18ce6d46a0cd2b0b86df9da'"""
return binascii.hexlify(token_bytes(nbytes)).decode('ascii')