def test_init(context):
h = hashcontext.HashContext(algo='sha256')
assert h.secure is True
assert h.hmac is False
h = hashcontext.HashContext(algo='sha256', secure=False, hmac=True)
assert h.secure is False
assert h.hmac is True
def test_reset(context):
h = hashcontext.HashContext(algo='sha256')
h.write('tototatatiti')
one = h.read()
h.reset()
h.write('tototatatiti')
assert one == h.read()
def test_read(context):
h = hashcontext.HashContext(algo='sha256')
h.write(
b"Let's write things that will be hashed and with a long, ong text, bger than 32bytes. Stuff ike that. You know, long block of data."
)
hashed_data = h.read()
assert hashed_data == b'\xb2m\x9a\x97\xe0\xa7\x1c\xe9\x0f<\x93\xee\rK3\x0b\x813|; q\x99\xf6\xef)\xe1\x9c\x93\xceG\xd8'
assert len(hashed_data) == 32
#!/usr/bin/env python
import os, sys, binascii
from pygcrypt import hashcontext
h = hashcontext.HashContext(algo='sha256')
#print dir(h)
print(binascii.hexlify(h.read()))
h.reset()
h.write("Hello")
print(binascii.hexlify(h.read()))
h.reset()
h.write("Hello2")
print(binascii.hexlify(h.read()))
def try_one():
h = hashcontext.HashContext(algo='SHA512')
h.write(b'testestsetsetstsststs')
h.read()
def test_copy(context):
h = hashcontext.HashContext(algo='sha256')
h.write('yadayada')
h2 = h.copy()
assert h.read() == h2.read()
def test_write(context):
h = hashcontext.HashContext(algo='sha256')
h.write("Let's write things to be hashed")
def test_setkey(context):
h = hashcontext.HashContext(algo='sha256', hmac=True)
assert h.hmac is True
h.setkey(b'What a beautiful key')
def test_enable(context):
h = hashcontext.HashContext(algo='sha256')
h.enable('sha512')
with pytest.raises(Exception):
h.enable('yadayada')
def test_getattr(context):
h = hashcontext.HashContext(algo='sha256')
assert h.algo == b'sha256'.upper()
assert h.hashlen == 32
def test_valid(context):
with pytest.raises(Exception):
hashcontext.HashContext(algo='yadayada')