python sha256 of file
# Python program to find SHA256 hash string of a file
import hashlib
filename = input("Enter the input file name: ")
sha256_hash = hashlib.sha256()
with open(filename,"rb") as f:
# Read and update hash string value in blocks of 4K
for byte_block in iter(lambda: f.read(4096),b""):
sha256_hash.update(byte_block)
print(sha256_hash.hexdigest())python convert to hmac sha256
import hmac
import hashlib
import base64
dig = hmac.new(b'1234567890', msg=your_bytes_string, digestmod=hashlib.sha256).digest()
base64.b64encode(dig).decode() # py3k-mode
'Nace+U3Az4OhN7tISqgs1vdLBHBEijWcBeCqL5xN9xg='python hmac sha256
# python 2
import hmac
import hashlib
nonce = 1234
customer_id = 123232
api_key = 2342342348273482374343434
API_SECRET = 892374928347928347283473
message = '{} {} {}'.format(nonce, customer_id, api_key)
signature = hmac.new(
str(API_SECRET),
msg=message,
digestmod=hashlib.sha256
).hexdigest().upper()
print signatureCopyright © 2021 Codeinu
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