src/CryptoPlus/Hash/python_SHA256.py

   1 from pysha256 import sha256
   2
   3 __all__ = ['new','digest_size']
   4
   5 def new(data=""):
   6         """Create a new pure python SHA-256 hash object
   7
   8         data =  initial input (raw string) to the hashing object
   9                 if present, the method call update(arg) is made
  10
  11         EXAMPLE: FIPS 180-2
  12         =========
  13
  14         >>> from CryptoPlus.Hash import python_SHA256
  15
  16         >>> message = "abc"
  17         >>> hasher = python_SHA256.new()
  18         >>> hasher.update(message)
  19         >>> hasher.hexdigest()
  20         'ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad'
  21
  22         >>> message = "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
  23         >>> hasher = python_SHA256.new()
  24         >>> hasher.update(message)
  25         >>> hasher.hexdigest()
  26         '248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1'
  27         """
  28         return sha256(data)
  29
  30 digest_size = sha256.digest_size