def OFB_test():
mode = Mode()
cb = Convert()
ce = Crypto_Exec(128)
string = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
b = ce.block_split(string)
value = cb.convert_bin(b)
IV = "B" * 16
t = mode.IV_genrate(IV)
encrypto = mode.OFB_mode(value, t)
decrypto = mode.OFB_mode(encrypto, t)
t = cb.convert_str(decrypto)
def CFB_test():
mode = Mode()
cb = Convert()
ce = Crypto_Exec(128)
string = "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
b = ce.block_split(string)
value = cb.convert_bin(b)
IV = "C" * 16
t = mode.IV_genrate(IV)
testd = mode.CFB_encrypto(value, t)
correct = mode.CFB_decrypto(testd, t)
td = cb.convert_str(correct)
print(td)
def CBC_test1():
mode = Mode()
cb = Convert()
ce = Crypto_Exec(128)
string = "THISAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAATTTTTTTTTTTTT"
# ブロック分割
b, padding = ce.block_split(string)
# intのリスト型に分割
value = cb.convert_bin(b)
# paddingを付与
value = ce.block_add(value, padding)
IV = "B" * 16
# IV生成
t = mode.IV_genrate(IV)
# 暗号化
test = mode.CBC_encrypto(value, t)
# 復号
atai = mode.CBC_decrypto(test, t)
# padding除去
ce.strip_padding(atai, padding)
# 文字列に直す
correct = cb.convert_str(atai)
print(correct)