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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_SET_TYPE(&PyBlake2_BLAKE2bType, &PyType_Type);
if (PyModule_AddType(m, &PyBlake2_BLAKE2bType) < 0) {
return NULL;
}
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_SET_TYPE(&PyBlake2_BLAKE2sType, &PyType_Type);
if (PyModule_AddType(m, &PyBlake2_BLAKE2sType) < 0) {
return NULL;
}
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;
}
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