Python AESCipher Examples

Python AESCipher - 2 examples found. These are the top rated real world Python examples of aescrypt.AESCipher extracted from open source projects. You can rate examples to help us improve the quality of examples.
Frequently Used Methods
Example #1
0
def receive_aes_crypt(clientsocket, address, decryption_key, show_progress=True):
    crypt = AESCipher(decryption_key)
    chunk_count = int(receive_dyn(clientsocket, address))
    received_digest = receive_dyn(clientsocket, address)
    org = chunk_count
    chunk_size = 1024
    decrypted_results = ""
    byte_rate = ""
    start_time = datetime.now()
    if show_progress and chunk_count:
        print bcolors.OKBLUE + "Progress: "
    while chunk_count > 0:
        encrypted_chunk = receive_dyn(clientsocket, address)
        # print "\"" + encrytpted_chunk + "\""
        decrypted_results = decrypted_results + crypt.decrypt(encrypted_chunk)
        chunk_count = chunk_count - 1
        if show_progress:
            time_elapsed = (datetime.now() - start_time).seconds
            if time_elapsed > 0:
                byte_rate = str((float(len(decrypted_results)) / float(time_elapsed)) / 1024.0)
            update_progress(int(100 * float(org - chunk_count) / float(org)), byte_rate + " Kb/s " if byte_rate else "")
    if show_progress:
        print bcolors.ENDC

    calculated_digest = MD5.new(decrypted_results).digest()
    if calculated_digest == received_digest:
        return decrypted_results
    else:
        raise Exception("AES: data integrity check failed.")
        return False
Example #2
0
def send_aes_crypt(clientsocket, address, data, encryption_key):
    crypt = AESCipher(encryption_key)

    chunk_size = 1024
    chunk_count = int(math.ceil(len(data) / float(chunk_size)))
    digest = MD5.new(data).digest()

    send_dyn(clientsocket, address, str(chunk_count))
    send_dyn(clientsocket, address, digest)

    bytes_encrypted = 0
    encrypted_data = ""
    while bytes_encrypted < len(data):
        encrypted_chunk = crypt.encrypt(data[bytes_encrypted : min(bytes_encrypted + chunk_size, len(data))])
        bytes_encrypted = bytes_encrypted + chunk_size
        send_dyn(clientsocket, address, encrypted_chunk)