Example #1
0
class Cryptor:
    def __init__(self):
        self.__cryptor = AEAD(CRYPTOR_PASSWORD_SECRET_KEY)

    def encrypt(self, data, relative_data):
        return self.__cryptor.encrypt(data.encode(),
                                      relative_data.encode()).decode()

    def decrypt(self, encrypted_data, relative_data):
        return self.__cryptor.decrypt(encrypted_data.encode(),
                                      relative_data.encode()).decode()
Example #2
0
def decrypt(args):

    # read encrypted data
    encrypted = read(args.input)

    # split in header and encrypted body
    header = encrypted[:54]
    data = encrypted[54:]

    cryptor = AEAD(key)

    # decrypt and verify body and verify header
    ct = cryptor.decrypt(data, header)

    # write header and decrypted body to file
    out = header + ct
    write(out, args.output)
Example #3
0
        bytesData = data.encode()
        encrypted = cryptor.encrypt(bytesData, b"AuthenticatedData")
        print('encrypted: ', encrypted)

        with open('spring.txt', 'w') as the_file:
            the_file.write(encrypted.decode("utf-8"))
        the_file.close()

    elif response == "2":
        with open('spring.txt', 'r') as myfile:
            data = myfile.read()
        myfile.close()

        bytesData = data.encode()
        print(bytesData)
        decrypted = cryptor.decrypt(bytesData, b"AuthenticatedData")

        with open('spring.txt', 'w') as the_file:
            the_file.write(decrypted.decode("utf-8"))
        the_file.close()

    elif response == "3":
        flag = False
        print('\nExiting Program!!!\n')
        break



'''
#print(data)
bytesData = data.encode()
Example #4
0
def test_invalid_signature():
    aead = AEAD(AEAD.generate_key())
    ct = aead.encrypt(b"Hello, World", b"Goodbye, World!")
    with pytest.raises(ValueError):
        aead.decrypt(ct, b"foobar")
Example #5
0
def test_round_trip_encrypt_decrypt():
    aead = AEAD(AEAD.generate_key())
    ct = aead.encrypt(b"Hello, World!", b"Goodbye, World!")
    assert aead.decrypt(ct, b"Goodbye, World!") == b"Hello, World!"
def test_round_trip_encrypt_decrypt(plaintext, associated_data):
    cryptor = AEAD(AEAD.generate_key())
    ct = cryptor.encrypt(plaintext, associated_data)
    assert plaintext == cryptor.decrypt(ct, associated_data)