def test_RandomPolynomialHex():
for x in range(5):
fx = PyBigNumbers.GenerateRandHex(256)
degree = randint(10, 15)
modulo = PyBigNumbers.GenerateRandPrimeHex(100)
hex_value = 0
# create a random polynomial
listCoefficients = PyPolynomial.randomPolynomial(
degree, modulo, hex_value)
assert len(listCoefficients) == (degree + 1), "Test failed"
# calling evaluate polynomial function
polynomialFX = polynomialEvaluation(listCoefficients, fx, modulo,
hex_value)
# convert list of coefficients from string to decimal
lst = []
for i in range(len(listCoefficients)):
lst.append(int(listCoefficients[i], 16))
fx = int(fx, 16)
modulo = int(modulo, 16)
actualValue = polynomial_evaluate(lst, fx, modulo)
assert polynomialFX.lstrip("0") == hex(actualValue).upper().lstrip(
"0X"), "Test failed"
def test_InitFromListHex():
hex_value = 0
for x in range(10, 15):
fx = PyBigNumbers.GenerateRandHex(256)
modulo = PyBigNumbers.GenerateRandPrimeHex(100)
listCoefficients = []
for i in range(x):
# Generate random coefficients for the polynomial
listCoefficients.append(PyBigNumbers.GenerateRandHex(256))
# create a Polynomial from a list of coefficients
allCoeffeicient = PyPolynomial.initFromList(listCoefficients,
hex_value)
assert len(allCoeffeicient) == x, "Test failed"
# Calling evaluate polynomial function
polynomialFX = polynomialEvaluation(listCoefficients, fx, modulo,
hex_value)
# convert list of coefficients from string to decimal
lst = []
for i in range(len(allCoeffeicient)):
lst.append(int(allCoeffeicient[i], 16))
fx = int(fx, 16)
modulo = int(modulo, 16)
actualValue = polynomial_evaluate(lst, fx, modulo)
assert polynomialFX.lstrip("0") == hex(actualValue).upper().lstrip(
"0X"), "Test failed"
def test_GenerateRandPrimeHex():
#Generating prime decimal numbers with input parameter
for x in range(10, 100, 10):
# Generate Random Prime Number of arbitary precision in hex
primeHex_Value = PyBigNumbers.GenerateRandPrimeHex(x)
# Verifying the actual value as prime hex number or not
assert PyBigNumbers.isPrimeHex(primeHex_Value), "Test failed"
def test_LGInterpolatorSingleHex():
listTupleObj = [(1, "13"), (2, "4"), (3, "2"), (4, "5"), (5, "11"),
(6, "1")]
modulo = PyBigNumbers.GenerateRandPrimeHex(100)
hex_value = 0
xValue = str(randint(10, 100000))
for x in range(1, 6):
xPoint = str(x)
# LGInterpolator, evaluate the ith basis polynomial at xValue
lgInterpolatorX = PyPolynomial.LGInterpolatorSingle(
listTupleObj, modulo, xValue, xPoint, hex_value)
assert type(lgInterpolatorX) == str, "Test failed"
def test_LGECInterpolatorFull():
modulo = PyBigNumbers.GenerateRandPrimeHex(1000)
xValue = PyBigNumbers.GenerateRandHex(1000)
listTupleObj = []
dec = False
# Generating Random EC
for x in range(10, 50):
# Generate a Random EC Point with default NID ==> NID_secp256k1
hexValue = Nakasendo.ECPoint()
# Check if the point is on the curve with the supplied NID default NID ==> NID_secp256k1
assert hexValue.IsPointOnCurve(), "Test failed"
x_Axis, y_axis = hexValue.GetAffineCoOrdinates()
# EC Point GetAffineCoOrdinates_GFp with default NID => NID_secp256k1
listTupleObj.append((str(x), x_Axis, y_axis))
lgInterpolatorX = PyPolynomial.LGECInterpolatorFull(
listTupleObj, modulo, xValue, dec)
assert type(lgInterpolatorX) == str, "Test failed"