diff options
Diffstat (limited to 'lib/curve25519-donna/python-src/curve25519/curve25519module.c')
| -rw-r--r-- | lib/curve25519-donna/python-src/curve25519/curve25519module.c | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/lib/curve25519-donna/python-src/curve25519/curve25519module.c b/lib/curve25519-donna/python-src/curve25519/curve25519module.c deleted file mode 100644 index e309ec0..0000000 --- a/lib/curve25519-donna/python-src/curve25519/curve25519module.c +++ /dev/null @@ -1,105 +0,0 @@ -/* tell python that PyArg_ParseTuple(t#) means Py_ssize_t, not int */ -#define PY_SSIZE_T_CLEAN -#include <Python.h> -#if (PY_VERSION_HEX < 0x02050000) - typedef int Py_ssize_t; -#endif - -/* This is required for compatibility with Python 2. */ -#if PY_MAJOR_VERSION >= 3 - #include <bytesobject.h> - #define y "y" -#else - #define PyBytes_FromStringAndSize PyString_FromStringAndSize - #define y "t" -#endif - -int curve25519_donna(char *mypublic, - const char *secret, const char *basepoint); - -static PyObject * -pycurve25519_makeprivate(PyObject *self, PyObject *args) -{ - char *in1; - Py_ssize_t in1len; - if (!PyArg_ParseTuple(args, y"#:clamp", &in1, &in1len)) - return NULL; - if (in1len != 32) { - PyErr_SetString(PyExc_ValueError, "input must be 32-byte string"); - return NULL; - } - in1[0] &= 248; - in1[31] &= 127; - in1[31] |= 64; - return PyBytes_FromStringAndSize((char *)in1, 32); -} - -static PyObject * -pycurve25519_makepublic(PyObject *self, PyObject *args) -{ - const char *private; - char mypublic[32]; - char basepoint[32] = {9}; - Py_ssize_t privatelen; - if (!PyArg_ParseTuple(args, y"#:makepublic", &private, &privatelen)) - return NULL; - if (privatelen != 32) { - PyErr_SetString(PyExc_ValueError, "input must be 32-byte string"); - return NULL; - } - curve25519_donna(mypublic, private, basepoint); - return PyBytes_FromStringAndSize((char *)mypublic, 32); -} - -static PyObject * -pycurve25519_makeshared(PyObject *self, PyObject *args) -{ - const char *myprivate, *theirpublic; - char shared_key[32]; - Py_ssize_t myprivatelen, theirpubliclen; - if (!PyArg_ParseTuple(args, y"#"y"#:generate", - &myprivate, &myprivatelen, &theirpublic, &theirpubliclen)) - return NULL; - if (myprivatelen != 32) { - PyErr_SetString(PyExc_ValueError, "input must be 32-byte string"); - return NULL; - } - if (theirpubliclen != 32) { - PyErr_SetString(PyExc_ValueError, "input must be 32-byte string"); - return NULL; - } - curve25519_donna(shared_key, myprivate, theirpublic); - return PyBytes_FromStringAndSize((char *)shared_key, 32); -} - - -static PyMethodDef -curve25519_functions[] = { - {"make_private", pycurve25519_makeprivate, METH_VARARGS, "data->private"}, - {"make_public", pycurve25519_makepublic, METH_VARARGS, "private->public"}, - {"make_shared", pycurve25519_makeshared, METH_VARARGS, "private+public->shared"}, - {NULL, NULL, 0, NULL}, -}; - -#if PY_MAJOR_VERSION >= 3 - static struct PyModuleDef - curve25519_module = { - PyModuleDef_HEAD_INIT, - "_curve25519", - NULL, - NULL, - curve25519_functions, - }; - - PyObject * - PyInit__curve25519(void) - { - return PyModule_Create(&curve25519_module); - } -#else - PyMODINIT_FUNC - init_curve25519(void) - { - (void)Py_InitModule("_curve25519", curve25519_functions); - } -#endif
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