2 Unix SMB/CIFS implementation.
5 Copyright (C) Alexander Bokovoy <ab@samba.org> 2017
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include "python/py3compat.h"
24 #include "lib/crypto/arcfour.h"
26 static PyObject *py_crypto_arcfour_crypt_blob(PyObject *module, PyObject *args)
29 PyObject *py_data, *py_key, *result;
32 if (!PyArg_ParseTuple(args, "OO", &py_data, &py_key))
35 if (!PyBytes_Check(py_data)) {
36 PyErr_Format(PyExc_TypeError, "bytes expected");
40 if (!PyBytes_Check(py_key)) {
41 PyErr_Format(PyExc_TypeError, "bytes expected");
45 ctx = talloc_new(NULL);
47 data.length = PyBytes_Size(py_data);
48 data.data = talloc_memdup(ctx, PyBytes_AsString(py_data), data.length);
51 return PyErr_NoMemory();
54 key.data = (uint8_t *)PyBytes_AsString(py_key);
55 key.length = PyBytes_Size(py_key);
57 arcfour_crypt_blob(data.data, data.length, &key);
59 result = PyBytes_FromStringAndSize((const char*) data.data, data.length);
65 static const char py_crypto_arcfour_crypt_blob_doc[] = "arcfour_crypt_blob(data, key)\n"
66 "Encrypt the data with RC4 algorithm using the key";
68 static PyMethodDef py_crypto_methods[] = {
69 { "arcfour_crypt_blob", (PyCFunction)py_crypto_arcfour_crypt_blob, METH_VARARGS, py_crypto_arcfour_crypt_blob_doc },
73 static struct PyModuleDef moduledef = {
74 PyModuleDef_HEAD_INIT,
76 .m_doc = "Crypto functions required for SMB",
78 .m_methods = py_crypto_methods,
81 MODULE_INIT_FUNC(crypto)
85 m = PyModule_Create(&moduledef);