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