// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
// Mobius Forensic Toolkit
// Copyright (C) 2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018,2019,2020,2021,2022,2023,2024 Eduardo Aguiar
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option) any later
// version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
// Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \file C++ API <i>mobius.crypt</i> module wrapper
//! \author Eduardo Aguiar
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
#include "module.h"
#include <pymobius.h>
#include "cipher.h"
#include "hash.h"
#include "hmac.h"

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief Function prototypes
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
PyObject * func_hash_digest (PyObject *, PyObject *);
PyObject * func_new_cipher_cbc (PyObject *, PyObject *);
PyObject * func_new_cipher_cbc_cts (PyObject *, PyObject *);
PyObject * func_new_cipher_ctr (PyObject *, PyObject *);
PyObject * func_new_cipher_ecb (PyObject *, PyObject *);
PyObject * func_new_cipher_gcm (PyObject *, PyObject *);
PyObject * func_new_cipher_ige (PyObject *, PyObject *);
PyObject * func_new_cipher_ofb (PyObject *, PyObject *);
PyObject * func_new_cipher_stream (PyObject *, PyObject *);
PyObject * func_pbkdf1 (PyObject *, PyObject *);
PyObject * func_pbkdf2_hmac (PyObject *, PyObject *);
PyObject * func_rot13 (PyObject *, PyObject *);

namespace
{
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief Module methods
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
static PyMethodDef module_methods[] =
{
  {
    "hash_digest",
    func_hash_digest,
    METH_VARARGS,
    "Generate hash digest for data"
  },
  {
    "new_cipher_cbc",
    func_new_cipher_cbc,
    METH_VARARGS,
    "Create new cipher object with CBC mode"
  },
  {
    "new_cipher_cbc_cts",
    func_new_cipher_cbc_cts,
    METH_VARARGS,
    "Create new cipher object with CBC/CTS mode"
  },
  {
    "new_cipher_ctr",
    func_new_cipher_ctr,
    METH_VARARGS,
    "Create new cipher object with CTR mode"
  },
  {
    "new_cipher_ecb",
    func_new_cipher_ecb,
    METH_VARARGS,
    "Create new cipher object with ECB mode"
  },
  {
    "new_cipher_gcm",
    func_new_cipher_gcm,
    METH_VARARGS,
    "Create new cipher object with GCM mode"
  },
  {
    "new_cipher_ige",
    func_new_cipher_ige,
    METH_VARARGS,
    "Create new cipher object with IGE mode"
  },
  {
    "new_cipher_ofb",
    func_new_cipher_ofb,
    METH_VARARGS,
    "Create new cipher object with OFB mode"
  },
  {
    "new_cipher_stream",
    func_new_cipher_stream,
    METH_VARARGS,
    "Create new stream cipher object"
  },
  {
    "pbkdf1",
    func_pbkdf1,
    METH_VARARGS,
    "Generate derived key using PBKDF1"
  },
  {
    "pbkdf2_hmac",
    func_pbkdf2_hmac,
    METH_VARARGS,
    "Generate derived key using PBKDF2_HMAC"
  },
  {
    "rot13",
    func_rot13,
    METH_VARARGS,
    "Encode/decode data with ROT-13 algorithm"
  },
  {
    NULL,
    NULL,
    0,
    NULL
  } // sentinel
};

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief Module definition structure
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
static PyModuleDef module_def =
{
  PyModuleDef_HEAD_INIT,
  "mobius.crypt",
  "Mobius Forensic Toolkit mobius.crypt module",
  -1,
  module_methods,
  nullptr,
  nullptr,
  nullptr,
  nullptr
};

} // namespace

// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
//! \brief Create mobius.crypt module
// =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
mobius::py::pymodule
new_crypt_module ()
{
  // Initialize module
  mobius::py::pymodule module (&module_def);

  // Add types
  module.add_type ("cipher", &crypt_cipher_t),
  module.add_type ("hash", &crypt_hash_t);
  module.add_type ("hmac", &crypt_hmac_t);

  // Return module
  return module;
}
