def test_RandomPolynomialDec():
for x in range(5):
fx = PyBigNumbers.GenerateRandDec(256)
degree = randint(10, 15)
modulo = PyBigNumbers.GenerateRandPrimeDec(100)
dec = 1
# create a random polynomial
listCoefficients = PyPolynomial.randomPolynomial(degree, modulo, dec)
assert len(listCoefficients) == (degree + 1), "Test failed"
# calling evaluate polynomial function
polynomialFX = polynomialEvaluation(listCoefficients, fx, modulo, dec)
# convert list of coefficients from string to decimal
lst = []
for i in range(len(listCoefficients)):
lst.append(int(listCoefficients[i]))
fx = int(fx)
modulo = int(modulo)
actualValue = polynomial_evaluate(lst, fx, modulo)
assert polynomialFX == str(actualValue), "Test failed"
def test_MultiplyScalarMNOnCurve():
# Generating Random EC Points
for x in range(100):
# Generate a Random EC Point with default NID ==> NID_secp256k1
ecPoint_value = PyECPoint.GenerateRandomEC(0, hex, True )
# Check if the point is on the curve with the supplied NID default NID ==> NID_secp256k1
assert PyECPoint.CheckOnCurve(ecPoint_value, 0, hex), "Test failed"
#Generate a Random Big number M and N using BigNumberAPIs
bigNumbM = PyBigNumbers.GenerateRandDec(257)
bigNumbN = PyBigNumbers.GenerateRandDec(128)
# EC Point Scalar multiply with supplied curve ID
actual_value = PyECPoint.MultiplyScalarMN(ecPoint_value, bigNumbM, bigNumbN, nid_Id, hex, True)
# Verifying the the length of actual value as 66
assert len(actual_value) == 66, "Test failed"
def __init__(self, value=None, mod=None, isDec=False):
self.mod = mod
self.isDec = isDec
if value is None:
if (self.isDec):
self.value = PyBigNumbers.GenerateRandDec(256)
else:
self.value = PyBigNumbers.GenerateRandHex(256)
else:
self.value = value
def test_GenRandDec(test_data_dir):
# Reading test data from the file
with open(test_data_dir / "testData_GenBigNum", "r") as genDec_txt:
for x in genDec_txt.readlines():
decNumber = int(x)
# Generate Random Number of arbitrary precision in dec
actual_Value = PyBigNumbers.GenerateRandDec(decNumber)
#Verifying the actual value as a string and not negative value
assert type(
actual_Value) is str and actual_Value != "-1", "Test failed"