def set_up():
randomStride = random.randint(1, 20)
coder = CaesarCoder(randomStride)
response = requests.get(
'http://swquotesapi.digitaljedi.dk/api/SWQuote/RandomStarWarsQuote',
verify=False)
return [coder, response.json()["content"], randomStride]
def test_caesar_encoding():
coder = CaesarCoder(2)
testString = "lukaszstachnik"
assert coder.encode(testString) == "nwmcubuvcejpkm"
testString = "Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s"
assert coder.encode(testString) == "nqtgo kruwo ku ukorna fwooa vgzv qh vjg rtkpvkpi cpf vargugvvkpi kpfwuvta. nqtgo kruwo jcu dggp vjg kpfwuvta'u uvcpfctf fwooa vgzv gxgt ukpeg vjg 1500u"
coder = CaesarCoder(3)
testString = "lamdbanosa asdasdsa karma SKOSDASDA"
assert coder.encode(testString) == "odpgedqrvd dvgdvgvd ndupd vnrvgdvgd"
def getTheLowestEntropy(inputStr: str):
result = 5000
resultStride = 0
entropiesList = getAllEntropies(inputStr)
for i in range(len(entropiesList)):
if (entropiesList[i][1] < result):
result = entropiesList[i][1]
resultStride = entropiesList[i][0]
coder = CaesarCoder(resultStride)
print(f"Best guess 🤖: {result}")
print(f"Decoded string: {coder.decode(inputStr)}")
def maunal_caesar_cracking():
dataSetup = set_up()
encodedString = dataSetup[0].encode(dataSetup[1])
decodedString = dataSetup[0].decode(encodedString)
guessesNumber = 0
codeCracked = False
print("Encoded string ❌: " + encodedString)
while codeCracked == False:
print('Type in stride number for decoding: ')
num = input("Stride: ")
if (int(num) == dataSetup[2]):
print("That's good stride. Decoded string is ✅: " + decodedString)
print(f"You've cracked the code after {guessesNumber} guesses")
codeCracked = True
else:
coder = CaesarCoder(int(num))
print(
"That's not good stide. Try once more. Decoded string is ❌: " +
coder.decode(encodedString))
guessesNumber += 1
def decode(stride, text):
coder = CaesarCoder(stride)
click.echo(coder.decode(text))
def getAllEntropies(inputStr: str):
result = []
for i in range(26):
coder = CaesarCoder(i)
result.append([i, getEntropy(coder.decode(inputStr))])
return result
def test_stridDown():
coder = CaesarCoder(2)
assert coder.strideDown('a') == 'y'
assert coder.strideDown('l') == 'j'
assert coder.strideDown(' ') == ' '
def test_stridUp():
coder = CaesarCoder(2)
assert coder.strideUp('z') == 'b'
assert coder.strideUp('a') == 'c'
assert coder.strideUp(' ') == ' '