githubmirror/cpython

Modules/clinic/sha3module.c.h
196 строк5 KB
Jonathan Protzenko
gh-99108: Replace SHA3 implementation HACL* version (#103597)
08 май 2023, 06:50
08 май 2023, 06:5015665d8
/*[clinic input]
preserve
[clinic start generated code]*/

#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
#  include "pycore_gc.h"            // PyGC_Head
#  include "pycore_runtime.h"       // _Py_ID()
#endif


PyDoc_STRVAR(py_sha3_new__doc__,
"sha3_224(data=b\'\', /, *, usedforsecurity=True)\n"
"--\n"
"\n"
"Return a new SHA3 hash object.");

static PyObject *
py_sha3_new_impl(PyTypeObject *type, PyObject *data, int usedforsecurity);

static PyObject *
py_sha3_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
{
    PyObject *return_value = NULL;
    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)

    #define NUM_KEYWORDS 1
    static struct {
        PyGC_Head _this_is_not_used;
        PyObject_VAR_HEAD
        PyObject *ob_item[NUM_KEYWORDS];
    } _kwtuple = {
        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
        .ob_item = { &_Py_ID(usedforsecurity), },
    };
    #undef NUM_KEYWORDS
    #define KWTUPLE (&_kwtuple.ob_base.ob_base)

    #else  // !Py_BUILD_CORE
    #  define KWTUPLE NULL
    #endif  // !Py_BUILD_CORE

    static const char * const _keywords[] = {"", "usedforsecurity", NULL};
    static _PyArg_Parser _parser = {
        .keywords = _keywords,
        .fname = "sha3_224",
        .kwtuple = KWTUPLE,
    };
    #undef KWTUPLE
    PyObject *argsbuf[2];
    PyObject * const *fastargs;
    Py_ssize_t nargs = PyTuple_GET_SIZE(args);
    Py_ssize_t noptargs = nargs + (kwargs ? PyDict_GET_SIZE(kwargs) : 0) - 0;
    PyObject *data = NULL;
    int usedforsecurity = 1;

    fastargs = _PyArg_UnpackKeywords(_PyTuple_CAST(args)->ob_item, nargs, kwargs, NULL, &_parser, 0, 1, 0, argsbuf);
    if (!fastargs) {
        goto exit;
    }
    if (nargs < 1) {
        goto skip_optional_posonly;
    }
    noptargs--;
    data = fastargs[0];
skip_optional_posonly:
    if (!noptargs) {
        goto skip_optional_kwonly;
    }
    usedforsecurity = PyObject_IsTrue(fastargs[1]);
    if (usedforsecurity < 0) {
        goto exit;
    }
skip_optional_kwonly:
    return_value = py_sha3_new_impl(type, data, usedforsecurity);

exit:
    return return_value;
}

PyDoc_STRVAR(_sha3_sha3_224_copy__doc__,
"copy($self, /)\n"
"--\n"
"\n"
"Return a copy of the hash object.");

#define _SHA3_SHA3_224_COPY_METHODDEF    \
    {"copy", (PyCFunction)_sha3_sha3_224_copy, METH_NOARGS, _sha3_sha3_224_copy__doc__},

static PyObject *
_sha3_sha3_224_copy_impl(SHA3object *self);

static PyObject *
_sha3_sha3_224_copy(SHA3object *self, PyObject *Py_UNUSED(ignored))
{
    return _sha3_sha3_224_copy_impl(self);
}

PyDoc_STRVAR(_sha3_sha3_224_digest__doc__,
"digest($self, /)\n"
"--\n"
"\n"
"Return the digest value as a bytes object.");

#define _SHA3_SHA3_224_DIGEST_METHODDEF    \
    {"digest", (PyCFunction)_sha3_sha3_224_digest, METH_NOARGS, _sha3_sha3_224_digest__doc__},

static PyObject *
_sha3_sha3_224_digest_impl(SHA3object *self);

static PyObject *
_sha3_sha3_224_digest(SHA3object *self, PyObject *Py_UNUSED(ignored))
{
    return _sha3_sha3_224_digest_impl(self);
}

PyDoc_STRVAR(_sha3_sha3_224_hexdigest__doc__,
"hexdigest($self, /)\n"
"--\n"
"\n"
"Return the digest value as a string of hexadecimal digits.");

#define _SHA3_SHA3_224_HEXDIGEST_METHODDEF    \
    {"hexdigest", (PyCFunction)_sha3_sha3_224_hexdigest, METH_NOARGS, _sha3_sha3_224_hexdigest__doc__},

static PyObject *
_sha3_sha3_224_hexdigest_impl(SHA3object *self);

static PyObject *
_sha3_sha3_224_hexdigest(SHA3object *self, PyObject *Py_UNUSED(ignored))
{
    return _sha3_sha3_224_hexdigest_impl(self);
}

PyDoc_STRVAR(_sha3_sha3_224_update__doc__,
"update($self, data, /)\n"
"--\n"
"\n"
"Update this hash object\'s state with the provided bytes-like object.");

#define _SHA3_SHA3_224_UPDATE_METHODDEF    \
    {"update", (PyCFunction)_sha3_sha3_224_update, METH_O, _sha3_sha3_224_update__doc__},

PyDoc_STRVAR(_sha3_shake_128_digest__doc__,
"digest($self, length, /)\n"
"--\n"
"\n"
"Return the digest value as a bytes object.");

#define _SHA3_SHAKE_128_DIGEST_METHODDEF    \
    {"digest", (PyCFunction)_sha3_shake_128_digest, METH_O, _sha3_shake_128_digest__doc__},

static PyObject *
_sha3_shake_128_digest_impl(SHA3object *self, unsigned long length);

static PyObject *
_sha3_shake_128_digest(SHA3object *self, PyObject *arg)
{
    PyObject *return_value = NULL;
    unsigned long length;

    if (!_PyLong_UnsignedLong_Converter(arg, &length)) {
        goto exit;
    }
    return_value = _sha3_shake_128_digest_impl(self, length);

exit:
    return return_value;
}

PyDoc_STRVAR(_sha3_shake_128_hexdigest__doc__,
"hexdigest($self, length, /)\n"
"--\n"
"\n"
"Return the digest value as a string of hexadecimal digits.");

#define _SHA3_SHAKE_128_HEXDIGEST_METHODDEF    \
    {"hexdigest", (PyCFunction)_sha3_shake_128_hexdigest, METH_O, _sha3_shake_128_hexdigest__doc__},

static PyObject *
_sha3_shake_128_hexdigest_impl(SHA3object *self, unsigned long length);

static PyObject *
_sha3_shake_128_hexdigest(SHA3object *self, PyObject *arg)
{
    PyObject *return_value = NULL;
    unsigned long length;

    if (!_PyLong_UnsignedLong_Converter(arg, &length)) {
        goto exit;
    }
    return_value = _sha3_shake_128_hexdigest_impl(self, length);

exit:
    return return_value;
}
/*[clinic end generated code: output=907cb475f3dc9ee0 input=a9049054013a1b77]*/