hashlib.sha256()

Crypto

Creates a SHA-256 hash object. Used for checksums, integrity verification, and password hashing.

Signature

hashlib.sha256(data)

Returns

hash

Example

import hashlib
h = hashlib.sha256(b'hello world')
print(h.hexdigest())
# 'b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9'

About hashlib.sha256()

hashlib.sha256 is a Python crypto function with the signature hashlib.sha256(data). Creates a SHA-256 hash object. Used for checksums, integrity verification, and password hashing. It returns a value of type hash.

Python provides a rich set of built-in functions and standard library modules that cover common programming tasks. Understanding these functions helps you write more idiomatic, efficient Python code. The hashlib.sha256function is commonly used in data processing, web development, scripting, and automation tasks.

When working with hashlib.sha256(), consider edge cases like empty inputs, None values, and type mismatches. Python's duck typing means many built-in functions work with any object that implements the required protocol (e.g., __len__ for len(), __iter__ for iteration). This flexibility is a key strength of Python's design philosophy.

Related Functions