Python lfsr_sequence示例

示例#1

文件： test_crypto.py 项目： AdrianPotter/sympy

def test_lfsr_connection_polynomial():
    F = FF(2)
    x = symbols("x")
    s = lfsr_sequence([F(1), F(0)], [F(0), F(1)], 5)
    assert lfsr_connection_polynomial(s) == x**2 + 1
    s = lfsr_sequence([F(1), F(1)], [F(0), F(1)], 5)
    assert lfsr_connection_polynomial(s) == x**2 + x + 1

示例#2

文件： test_crypto.py 项目： vishalbelsare/sympy

def test_lfsr_connection_polynomial():
    F = FF(2)
    x = symbols("x")
    s = lfsr_sequence([F(1), F(0)], [F(0), F(1)], 5)
    assert lfsr_connection_polynomial(s) == x**2 + 1
    s = lfsr_sequence([F(1), F(1)], [F(0), F(1)], 5)
    assert lfsr_connection_polynomial(s) == x**2 + x + 1

示例#3

文件： test_crypto.py 项目： AdrianPotter/sympy

def test_lfsr_sequence():
    raises(TypeError, lambda: lfsr_sequence(1, [1], 1))
    raises(TypeError, lambda: lfsr_sequence([1], 1, 1))
    F = FF(2)
    assert lfsr_sequence([F(1)], [F(1)], 2) == [F(1), F(1)]
    assert lfsr_sequence([F(0)], [F(1)], 2) == [F(1), F(0)]
    F = FF(3)
    assert lfsr_sequence([F(1)], [F(1)], 2) == [F(1), F(1)]
    assert lfsr_sequence([F(0)], [F(2)], 2) == [F(2), F(0)]
    assert lfsr_sequence([F(1)], [F(2)], 2) == [F(2), F(2)]

示例#4

文件： test_crypto.py 项目： vishalbelsare/sympy

def test_lfsr_sequence():
    raises(TypeError, lambda: lfsr_sequence(1, [1], 1))
    raises(TypeError, lambda: lfsr_sequence([1], 1, 1))
    F = FF(2)
    assert lfsr_sequence([F(1)], [F(1)], 2) == [F(1), F(1)]
    assert lfsr_sequence([F(0)], [F(1)], 2) == [F(1), F(0)]
    F = FF(3)
    assert lfsr_sequence([F(1)], [F(1)], 2) == [F(1), F(1)]
    assert lfsr_sequence([F(0)], [F(2)], 2) == [F(2), F(0)]
    assert lfsr_sequence([F(1)], [F(2)], 2) == [F(2), F(2)]

示例#5

文件： test_crypto.py 项目： AdrianPotter/sympy

def test_lfsr_autocorrelation():
    raises(TypeError, lambda: lfsr_autocorrelation(1, 2, 3))
    F = FF(2)
    s = lfsr_sequence([F(1), F(0)], [F(0), F(1)], 5)
    assert lfsr_autocorrelation(s, 2, 0) == 1
    assert lfsr_autocorrelation(s, 2, 1) == -1

示例#6

文件： test_crypto.py 项目： vishalbelsare/sympy

def test_lfsr_autocorrelation():
    raises(TypeError, lambda: lfsr_autocorrelation(1, 2, 3))
    F = FF(2)
    s = lfsr_sequence([F(1), F(0)], [F(0), F(1)], 5)
    assert lfsr_autocorrelation(s, 2, 0) == 1
    assert lfsr_autocorrelation(s, 2, 1) == -1