📅  最后修改于: 2022-03-11 14:45:36.665000             🧑  作者: Mango
# 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())