1 /*[clinic input]
2 preserve
3 [clinic start generated code]*/
4
5 #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
6 # include "pycore_gc.h" // PyGC_Head
7 # include "pycore_runtime.h" // _Py_ID()
8 #endif
9
10
11 PyDoc_STRVAR(py_blake2s_new__doc__,
12 "blake2s(data=b\'\', /, *, digest_size=_blake2.blake2s.MAX_DIGEST_SIZE,\n"
13 " key=b\'\', salt=b\'\', person=b\'\', fanout=1, depth=1, leaf_size=0,\n"
14 " node_offset=0, node_depth=0, inner_size=0, last_node=False,\n"
15 " usedforsecurity=True)\n"
16 "--\n"
17 "\n"
18 "Return a new BLAKE2s hash object.");
19
20 static PyObject *
21 py_blake2s_new_impl(PyTypeObject *type, PyObject *data, int digest_size,
22 Py_buffer *key, Py_buffer *salt, Py_buffer *person,
23 int fanout, int depth, unsigned long leaf_size,
24 unsigned long long node_offset, int node_depth,
25 int inner_size, int last_node, int usedforsecurity);
26
27 static PyObject *
28 py_blake2s_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
29 {
30 PyObject *return_value = NULL;
31 #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
32
33 #define NUM_KEYWORDS 12
34 static struct {
35 PyGC_Head _this_is_not_used;
36 PyObject_VAR_HEAD
37 PyObject *ob_item[NUM_KEYWORDS];
38 } _kwtuple = {
39 .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
40 .ob_item = { &_Py_ID(digest_size), &_Py_ID(key), &_Py_ID(salt), &_Py_ID(person), &_Py_ID(fanout), &_Py_ID(depth), &_Py_ID(leaf_size), &_Py_ID(node_offset), &_Py_ID(node_depth), &_Py_ID(inner_size), &_Py_ID(last_node), &_Py_ID(usedforsecurity), },
41 };
42 #undef NUM_KEYWORDS
43 #define KWTUPLE (&_kwtuple.ob_base.ob_base)
44
45 #else // !Py_BUILD_CORE
46 # define KWTUPLE NULL
47 #endif // !Py_BUILD_CORE
48
49 static const char * const _keywords[] = {"", "digest_size", "key", "salt", "person", "fanout", "depth", "leaf_size", "node_offset", "node_depth", "inner_size", "last_node", "usedforsecurity", NULL};
50 static _PyArg_Parser _parser = {
51 .keywords = _keywords,
52 .fname = "blake2s",
53 .kwtuple = KWTUPLE,
54 };
55 #undef KWTUPLE
56 PyObject *argsbuf[13];
57 PyObject * const *fastargs;
58 Py_ssize_t nargs = PyTuple_GET_SIZE(args);
59 Py_ssize_t noptargs = nargs + (kwargs ? PyDict_GET_SIZE(kwargs) : 0) - 0;
60 PyObject *data = NULL;
61 int digest_size = BLAKE2S_OUTBYTES;
62 Py_buffer key = {NULL, NULL};
63 Py_buffer salt = {NULL, NULL};
64 Py_buffer person = {NULL, NULL};
65 int fanout = 1;
66 int depth = 1;
67 unsigned long leaf_size = 0;
68 unsigned long long node_offset = 0;
69 int node_depth = 0;
70 int inner_size = 0;
71 int last_node = 0;
72 int usedforsecurity = 1;
73
74 fastargs = _PyArg_UnpackKeywords(_PyTuple_CAST(args)->ob_item, nargs, kwargs, NULL, &_parser, 0, 1, 0, argsbuf);
75 if (!fastargs) {
76 goto exit;
77 }
78 if (nargs < 1) {
79 goto skip_optional_posonly;
80 }
81 noptargs--;
82 data = fastargs[0];
83 skip_optional_posonly:
84 if (!noptargs) {
85 goto skip_optional_kwonly;
86 }
87 if (fastargs[1]) {
88 digest_size = _PyLong_AsInt(fastargs[1]);
89 if (digest_size == -1 && PyErr_Occurred()) {
90 goto exit;
91 }
92 if (!--noptargs) {
93 goto skip_optional_kwonly;
94 }
95 }
96 if (fastargs[2]) {
97 if (PyObject_GetBuffer(fastargs[2], &key, PyBUF_SIMPLE) != 0) {
98 goto exit;
99 }
100 if (!PyBuffer_IsContiguous(&key, 'C')) {
101 _PyArg_BadArgument("blake2s", "argument 'key'", "contiguous buffer", fastargs[2]);
102 goto exit;
103 }
104 if (!--noptargs) {
105 goto skip_optional_kwonly;
106 }
107 }
108 if (fastargs[3]) {
109 if (PyObject_GetBuffer(fastargs[3], &salt, PyBUF_SIMPLE) != 0) {
110 goto exit;
111 }
112 if (!PyBuffer_IsContiguous(&salt, 'C')) {
113 _PyArg_BadArgument("blake2s", "argument 'salt'", "contiguous buffer", fastargs[3]);
114 goto exit;
115 }
116 if (!--noptargs) {
117 goto skip_optional_kwonly;
118 }
119 }
120 if (fastargs[4]) {
121 if (PyObject_GetBuffer(fastargs[4], &person, PyBUF_SIMPLE) != 0) {
122 goto exit;
123 }
124 if (!PyBuffer_IsContiguous(&person, 'C')) {
125 _PyArg_BadArgument("blake2s", "argument 'person'", "contiguous buffer", fastargs[4]);
126 goto exit;
127 }
128 if (!--noptargs) {
129 goto skip_optional_kwonly;
130 }
131 }
132 if (fastargs[5]) {
133 fanout = _PyLong_AsInt(fastargs[5]);
134 if (fanout == -1 && PyErr_Occurred()) {
135 goto exit;
136 }
137 if (!--noptargs) {
138 goto skip_optional_kwonly;
139 }
140 }
141 if (fastargs[6]) {
142 depth = _PyLong_AsInt(fastargs[6]);
143 if (depth == -1 && PyErr_Occurred()) {
144 goto exit;
145 }
146 if (!--noptargs) {
147 goto skip_optional_kwonly;
148 }
149 }
150 if (fastargs[7]) {
151 if (!_PyLong_UnsignedLong_Converter(fastargs[7], &leaf_size)) {
152 goto exit;
153 }
154 if (!--noptargs) {
155 goto skip_optional_kwonly;
156 }
157 }
158 if (fastargs[8]) {
159 if (!_PyLong_UnsignedLongLong_Converter(fastargs[8], &node_offset)) {
160 goto exit;
161 }
162 if (!--noptargs) {
163 goto skip_optional_kwonly;
164 }
165 }
166 if (fastargs[9]) {
167 node_depth = _PyLong_AsInt(fastargs[9]);
168 if (node_depth == -1 && PyErr_Occurred()) {
169 goto exit;
170 }
171 if (!--noptargs) {
172 goto skip_optional_kwonly;
173 }
174 }
175 if (fastargs[10]) {
176 inner_size = _PyLong_AsInt(fastargs[10]);
177 if (inner_size == -1 && PyErr_Occurred()) {
178 goto exit;
179 }
180 if (!--noptargs) {
181 goto skip_optional_kwonly;
182 }
183 }
184 if (fastargs[11]) {
185 last_node = PyObject_IsTrue(fastargs[11]);
186 if (last_node < 0) {
187 goto exit;
188 }
189 if (!--noptargs) {
190 goto skip_optional_kwonly;
191 }
192 }
193 usedforsecurity = PyObject_IsTrue(fastargs[12]);
194 if (usedforsecurity < 0) {
195 goto exit;
196 }
197 skip_optional_kwonly:
198 return_value = py_blake2s_new_impl(type, data, digest_size, &key, &salt, &person, fanout, depth, leaf_size, node_offset, node_depth, inner_size, last_node, usedforsecurity);
199
200 exit:
201 /* Cleanup for key */
202 if (key.obj) {
203 PyBuffer_Release(&key);
204 }
205 /* Cleanup for salt */
206 if (salt.obj) {
207 PyBuffer_Release(&salt);
208 }
209 /* Cleanup for person */
210 if (person.obj) {
211 PyBuffer_Release(&person);
212 }
213
214 return return_value;
215 }
216
217 PyDoc_STRVAR(_blake2_blake2s_copy__doc__,
218 "copy($self, /)\n"
219 "--\n"
220 "\n"
221 "Return a copy of the hash object.");
222
223 #define _BLAKE2_BLAKE2S_COPY_METHODDEF \
224 {"copy", (PyCFunction)_blake2_blake2s_copy, METH_NOARGS, _blake2_blake2s_copy__doc__},
225
226 static PyObject *
227 _blake2_blake2s_copy_impl(BLAKE2sObject *self);
228
229 static PyObject *
230 _blake2_blake2s_copy(BLAKE2sObject *self, PyObject *Py_UNUSED(ignored))
231 {
232 return _blake2_blake2s_copy_impl(self);
233 }
234
235 PyDoc_STRVAR(_blake2_blake2s_update__doc__,
236 "update($self, data, /)\n"
237 "--\n"
238 "\n"
239 "Update this hash object\'s state with the provided bytes-like object.");
240
241 #define _BLAKE2_BLAKE2S_UPDATE_METHODDEF \
242 {"update", (PyCFunction)_blake2_blake2s_update, METH_O, _blake2_blake2s_update__doc__},
243
244 PyDoc_STRVAR(_blake2_blake2s_digest__doc__,
245 "digest($self, /)\n"
246 "--\n"
247 "\n"
248 "Return the digest value as a bytes object.");
249
250 #define _BLAKE2_BLAKE2S_DIGEST_METHODDEF \
251 {"digest", (PyCFunction)_blake2_blake2s_digest, METH_NOARGS, _blake2_blake2s_digest__doc__},
252
253 static PyObject *
254 _blake2_blake2s_digest_impl(BLAKE2sObject *self);
255
256 static PyObject *
257 _blake2_blake2s_digest(BLAKE2sObject *self, PyObject *Py_UNUSED(ignored))
258 {
259 return _blake2_blake2s_digest_impl(self);
260 }
261
262 PyDoc_STRVAR(_blake2_blake2s_hexdigest__doc__,
263 "hexdigest($self, /)\n"
264 "--\n"
265 "\n"
266 "Return the digest value as a string of hexadecimal digits.");
267
268 #define _BLAKE2_BLAKE2S_HEXDIGEST_METHODDEF \
269 {"hexdigest", (PyCFunction)_blake2_blake2s_hexdigest, METH_NOARGS, _blake2_blake2s_hexdigest__doc__},
270
271 static PyObject *
272 _blake2_blake2s_hexdigest_impl(BLAKE2sObject *self);
273
274 static PyObject *
275 _blake2_blake2s_hexdigest(BLAKE2sObject *self, PyObject *Py_UNUSED(ignored))
276 {
277 return _blake2_blake2s_hexdigest_impl(self);
278 }
279 /*[clinic end generated code: output=bd0fb7639e450618 input=a9049054013a1b77]*/