mirror of https://github.com/pyodide/pyodide.git
81 lines
2.8 KiB
Python
81 lines
2.8 KiB
Python
from hypothesis import HealthCheck, given, settings
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from hypothesis.strategies import binary, integers
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from pytest_pyodide import run_in_pyodide
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from pytest_pyodide.fixture import selenium_context_manager
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@run_in_pyodide(packages=["cryptography"])
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def test_cryptography(selenium):
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import base64
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from cryptography.fernet import Fernet, MultiFernet
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f1 = Fernet(base64.urlsafe_b64encode(b"\x00" * 32))
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f2 = Fernet(base64.urlsafe_b64encode(b"\x01" * 32))
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f = MultiFernet([f1, f2])
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assert f1.decrypt(f.encrypt(b"abc")) == b"abc"
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@settings(suppress_health_check=[HealthCheck.too_slow], deadline=None)
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@given(data=binary())
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def test_fernet(selenium_module_scope, data):
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sbytes = list(data)
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with selenium_context_manager(selenium_module_scope) as selenium:
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selenium.load_package("cryptography")
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selenium.run(
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f"""
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from cryptography.fernet import Fernet
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data = bytes({sbytes})
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f = Fernet(Fernet.generate_key())
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ct = f.encrypt(data)
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assert f.decrypt(ct) == data
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"""
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)
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@settings(suppress_health_check=[HealthCheck.too_slow], deadline=None)
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@given(block_size=integers(min_value=1, max_value=255), data=binary())
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def test_pkcs7(selenium_module_scope, block_size, data):
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sbytes = list(data)
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with selenium_context_manager(selenium_module_scope) as selenium:
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selenium.load_package("cryptography")
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selenium.run(
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f"""
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from cryptography.hazmat.primitives.padding import ANSIX923, PKCS7
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block_size = {block_size}
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data = bytes({sbytes})
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# Generate in [1, 31] so we can easily get block_size in bits by
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# multiplying by 8.
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p = PKCS7(block_size=block_size * 8)
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padder = p.padder()
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unpadder = p.unpadder()
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padded = padder.update(data) + padder.finalize()
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assert unpadder.update(padded) + unpadder.finalize() == data
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"""
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)
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@settings(suppress_health_check=[HealthCheck.too_slow], deadline=None)
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@given(block_size=integers(min_value=1, max_value=255), data=binary())
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def test_ansix923(selenium_module_scope, block_size, data):
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sbytes = list(data)
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with selenium_context_manager(selenium_module_scope) as selenium:
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selenium.load_package("cryptography")
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selenium.run(
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f"""
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from cryptography.hazmat.primitives.padding import ANSIX923, PKCS7
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block_size = {block_size}
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data = bytes({sbytes})
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a = ANSIX923(block_size=block_size * 8)
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padder = a.padder()
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unpadder = a.unpadder()
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padded = padder.update(data) + padder.finalize()
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assert unpadder.update(padded) + unpadder.finalize() == data
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"""
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)
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