def test_from_worksheet():
cipher = Fleissner(
key="XooXooooooXoXoooXoooXXoXoooooooooXoXoooXooooXoooXoXoooXXoooooooo")
ciphertext = cipher.encrypt("WELCOME TO VILLIERS PARK")
assert cipher.compare(
"WEXEXRXSXXL CXXXOPXXMEA XXXRXXXKXTXOXXX XXXXVXXXIXLXXXLIXXXXXXXX",
ciphertext), ciphertext
plaintext = cipher.decrypt(
"WEXEXRXSXXL CXXXOPXXMEA XXXRXXXKXTXOXXX XXXXVXXXIXLXXXLIXXXXXXXX")
assert cipher.compare("WELCOME TO VILLIERS PARK", plaintext), plaintext
ciphertext = cipher.encrypt("FLEISSNER IS A FUNNY NAME")
assert cipher.compare_ciphertext(
"FUHLINDNVXEYIRACS RNSNNEKEXAZZQMKRE BDGIENXPSZMN GAJKX FRTBUDSKC",
ciphertext), ciphertext
plaintext = cipher.decrypt(
"FUHLINDNVXEYIRACS RNSNNEKEXAZZQMKRE BDGIENXPSZMN GAJKX FRTBUDSKC")
assert cipher.compare_plaintext("FLEISSNER IS A FUNNY NAME",
plaintext), plaintext
def cryptanalysis_fleissner():
ciphertexts = request.form.get("ciphertexts", "").strip().splitlines()
plaintexts = request.form.get("plaintexts", "").strip().splitlines()
key = request.form.get(
"key",
"XooXooooooXoXoooXoooXXoXoooooooooXoXoooXooooXoooXoXoooXXoooooooo")
if request.method == "POST":
cipher = Fleissner(key=key)
plaintexts = [cipher.decrypt(c) for c in ciphertexts]
return render_template(
"cryptanalysis/fleissner.html",
ciphertexts=ciphertexts,
plaintexts=plaintexts,
key=key,
)
def test_hello():
cipher = Fleissner(key="XooooXoXoooooXoo")
assert "HXXOXEXLXXXXXLXX" == cipher.encrypt("HELLO")
assert "HELLO" == cipher.decrypt("HXXOXEXLXXXXXLXX")