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/* * Written in 2013 by Dmitry Chestnykh <dmitry@codingrobots.com> * Modified for CPython by Christian Heimes <christian@python.org> * * To the extent possible under law, the author have dedicated all * copyright and related and neighboring rights to this software to * the public domain worldwide. This software is distributed without * any warranty. http://creativecommons.org/publicdomain/zero/1.0/ */ #include "Python.h" #include "impl/blake2.h" extern PyTypeObject PyBlake2_BLAKE2bType; extern PyTypeObject PyBlake2_BLAKE2sType; PyDoc_STRVAR(blake2mod__doc__, "_blake2b provides BLAKE2b for hashlib\n" ); static struct PyMethodDef blake2mod_functions[] = { {NULL, NULL} }; static struct PyModuleDef blake2_module = { PyModuleDef_HEAD_INIT, "_blake2", blake2mod__doc__, -1, blake2mod_functions, NULL, NULL, NULL, NULL }; #define ADD_INT(d, name, value) do { \ PyObject *x = PyLong_FromLong(value); \ if (!x) { \ Py_DECREF(m); \ return NULL; \ } \ if (PyDict_SetItemString(d, name, x) < 0) { \ Py_DECREF(m); \ return NULL; \ } \ Py_DECREF(x); \ } while(0) PyMODINIT_FUNC PyInit__blake2(void) { PyObject *m; PyObject *d; m = PyModule_Create(&blake2_module); if (m == NULL) return NULL; /* BLAKE2b */ Py_TYPE(&PyBlake2_BLAKE2bType) = &PyType_Type; if (PyType_Ready(&PyBlake2_BLAKE2bType) < 0) { return NULL; } Py_INCREF(&PyBlake2_BLAKE2bType); PyModule_AddObject(m, "blake2b", (PyObject *)&PyBlake2_BLAKE2bType); d = PyBlake2_BLAKE2bType.tp_dict; ADD_INT(d, "SALT_SIZE", BLAKE2B_SALTBYTES); ADD_INT(d, "PERSON_SIZE", BLAKE2B_PERSONALBYTES); ADD_INT(d, "MAX_KEY_SIZE", BLAKE2B_KEYBYTES); ADD_INT(d, "MAX_DIGEST_SIZE", BLAKE2B_OUTBYTES); PyModule_AddIntConstant(m, "BLAKE2B_SALT_SIZE", BLAKE2B_SALTBYTES); PyModule_AddIntConstant(m, "BLAKE2B_PERSON_SIZE", BLAKE2B_PERSONALBYTES); PyModule_AddIntConstant(m, "BLAKE2B_MAX_KEY_SIZE", BLAKE2B_KEYBYTES); PyModule_AddIntConstant(m, "BLAKE2B_MAX_DIGEST_SIZE", BLAKE2B_OUTBYTES); /* BLAKE2s */ Py_TYPE(&PyBlake2_BLAKE2sType) = &PyType_Type; if (PyType_Ready(&PyBlake2_BLAKE2sType) < 0) { return NULL; } Py_INCREF(&PyBlake2_BLAKE2sType); PyModule_AddObject(m, "blake2s", (PyObject *)&PyBlake2_BLAKE2sType); d = PyBlake2_BLAKE2sType.tp_dict; ADD_INT(d, "SALT_SIZE", BLAKE2S_SALTBYTES); ADD_INT(d, "PERSON_SIZE", BLAKE2S_PERSONALBYTES); ADD_INT(d, "MAX_KEY_SIZE", BLAKE2S_KEYBYTES); ADD_INT(d, "MAX_DIGEST_SIZE", BLAKE2S_OUTBYTES); PyModule_AddIntConstant(m, "BLAKE2S_SALT_SIZE", BLAKE2S_SALTBYTES); PyModule_AddIntConstant(m, "BLAKE2S_PERSON_SIZE", BLAKE2S_PERSONALBYTES); PyModule_AddIntConstant(m, "BLAKE2S_MAX_KEY_SIZE", BLAKE2S_KEYBYTES); PyModule_AddIntConstant(m, "BLAKE2S_MAX_DIGEST_SIZE", BLAKE2S_OUTBYTES); return m; }