python hashlib.sha512()
from hashlib import sha512 print(sha512('hello'.encode()).hexdigest())
python hashlib.sha512()
from hashlib import sha512 print(sha512('hello'.encode()).hexdigest())
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())
sha 256 python
import hashlib secret_thing = hashlib.sha256() # Keep in mind you add on to the already existing string when you .update the same thing. secret_thing.update(b"hahahahaahhahaa nobody will guess my secret message") secret_thing.digest_size secret_thing.block_size
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 signature
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