pdfminer.six/tests/test_pdfminer_crypto.py

58 lines
1.9 KiB
Python

"""Test of various compression/encoding modules (previously in doctests)
"""
import binascii
from nose.tools import assert_equal
from pdfminer.arcfour import *
from pdfminer.ascii85 import *
from pdfminer.lzw import *
from pdfminer.rijndael import *
from pdfminer.runlength import *
def hex(b):
"""encode('hex')"""
return binascii.hexlify(b)
def dehex(b):
"""decode('hex')"""
return binascii.unhexlify(b)
class TestAscii85():
def test_ascii85decode(self):
"""The sample string is taken from: http://en.wikipedia.org/w/index.php?title=Ascii85"""
assert_equal(ascii85decode(b'9jqo^BlbD-BleB1DJ+*+F(f,q'), b'Man is distinguished')
assert_equal(ascii85decode(b'E,9)oF*2M7/c~>'), b'pleasure.')
def test_asciihexdecode(self):
assert_equal(asciihexdecode(b'61 62 2e6364 65'), b'ab.cde')
assert_equal(asciihexdecode(b'61 62 2e6364 657>'), b'ab.cdep')
assert_equal(asciihexdecode(b'7>'), b'p')
class TestArcfour():
def test(self):
assert_equal(hex(Arcfour(b'Key').process(b'Plaintext')), b'bbf316e8d940af0ad3')
assert_equal(hex(Arcfour(b'Wiki').process(b'pedia')), b'1021bf0420')
assert_equal(hex(Arcfour(b'Secret').process(b'Attack at dawn')), b'45a01f645fc35b383552544b9bf5')
class TestLzw():
def test_lzwdecode(self):
assert_equal(lzwdecode(b'\x80\x0b\x60\x50\x22\x0c\x0c\x85\x01'), b'\x2d\x2d\x2d\x2d\x2d\x41\x2d\x2d\x2d\x42')
class TestRunlength():
def test_rldecode(self):
assert_equal(rldecode(b'\x05123456\xfa7\x04abcde\x80junk'), b'1234567777777abcde')
class TestRijndaelEncryptor():
def test_RijndaelEncryptor(self):
key = dehex(b'00010203050607080a0b0c0d0f101112')
plaintext = dehex(b'506812a45f08c889b97f5980038b8359')
assert_equal(hex(RijndaelEncryptor(key, 128).encrypt(plaintext)), b'd8f532538289ef7d06b506a4fd5be9c9')