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 #include "pycore_long.h" // _PyLong_UnsignedLong_Converter()
10 #include "pycore_modsupport.h" // _PyArg_UnpackKeywords()
11
12 PyDoc_STRVAR(py_blake2b_new__doc__,
13 "blake2b(data=b\'\', /, *, digest_size=_blake2.blake2b.MAX_DIGEST_SIZE,\n"
14 " key=b\'\', salt=b\'\', person=b\'\', fanout=1, depth=1, leaf_size=0,\n"
15 " node_offset=0, node_depth=0, inner_size=0, last_node=False,\n"
16 " usedforsecurity=True)\n"
17 "--\n"
18 "\n"
19 "Return a new BLAKE2b hash object.");
20
21 static PyObject *
22 py_blake2b_new_impl(PyTypeObject *type, PyObject *data, int digest_size,
23 Py_buffer *key, Py_buffer *salt, Py_buffer *person,
24 int fanout, int depth, unsigned long leaf_size,
25 unsigned long long node_offset, int node_depth,
26 int inner_size, int last_node, int usedforsecurity);
27
28 static PyObject *
py_blake2b_new(PyTypeObject * type,PyObject * args,PyObject * kwargs)29 py_blake2b_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
30 {
31 PyObject *return_value = NULL;
32 #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
33
34 #define NUM_KEYWORDS 12
35 static struct {
36 PyGC_Head _this_is_not_used;
37 PyObject_VAR_HEAD
38 PyObject *ob_item[NUM_KEYWORDS];
39 } _kwtuple = {
40 .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
41 .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), },
42 };
43 #undef NUM_KEYWORDS
44 #define KWTUPLE (&_kwtuple.ob_base.ob_base)
45
46 #else // !Py_BUILD_CORE
47 # define KWTUPLE NULL
48 #endif // !Py_BUILD_CORE
49
50 static const char * const _keywords[] = {"", "digest_size", "key", "salt", "person", "fanout", "depth", "leaf_size", "node_offset", "node_depth", "inner_size", "last_node", "usedforsecurity", NULL};
51 static _PyArg_Parser _parser = {
52 .keywords = _keywords,
53 .fname = "blake2b",
54 .kwtuple = KWTUPLE,
55 };
56 #undef KWTUPLE
57 PyObject *argsbuf[13];
58 PyObject * const *fastargs;
59 Py_ssize_t nargs = PyTuple_GET_SIZE(args);
60 Py_ssize_t noptargs = nargs + (kwargs ? PyDict_GET_SIZE(kwargs) : 0) - 0;
61 PyObject *data = NULL;
62 int digest_size = BLAKE2B_OUTBYTES;
63 Py_buffer key = {NULL, NULL};
64 Py_buffer salt = {NULL, NULL};
65 Py_buffer person = {NULL, NULL};
66 int fanout = 1;
67 int depth = 1;
68 unsigned long leaf_size = 0;
69 unsigned long long node_offset = 0;
70 int node_depth = 0;
71 int inner_size = 0;
72 int last_node = 0;
73 int usedforsecurity = 1;
74
75 fastargs = _PyArg_UnpackKeywords(_PyTuple_CAST(args)->ob_item, nargs, kwargs, NULL, &_parser, 0, 1, 0, argsbuf);
76 if (!fastargs) {
77 goto exit;
78 }
79 if (nargs < 1) {
80 goto skip_optional_posonly;
81 }
82 noptargs--;
83 data = fastargs[0];
84 skip_optional_posonly:
85 if (!noptargs) {
86 goto skip_optional_kwonly;
87 }
88 if (fastargs[1]) {
89 digest_size = PyLong_AsInt(fastargs[1]);
90 if (digest_size == -1 && PyErr_Occurred()) {
91 goto exit;
92 }
93 if (!--noptargs) {
94 goto skip_optional_kwonly;
95 }
96 }
97 if (fastargs[2]) {
98 if (PyObject_GetBuffer(fastargs[2], &key, PyBUF_SIMPLE) != 0) {
99 goto exit;
100 }
101 if (!--noptargs) {
102 goto skip_optional_kwonly;
103 }
104 }
105 if (fastargs[3]) {
106 if (PyObject_GetBuffer(fastargs[3], &salt, PyBUF_SIMPLE) != 0) {
107 goto exit;
108 }
109 if (!--noptargs) {
110 goto skip_optional_kwonly;
111 }
112 }
113 if (fastargs[4]) {
114 if (PyObject_GetBuffer(fastargs[4], &person, PyBUF_SIMPLE) != 0) {
115 goto exit;
116 }
117 if (!--noptargs) {
118 goto skip_optional_kwonly;
119 }
120 }
121 if (fastargs[5]) {
122 fanout = PyLong_AsInt(fastargs[5]);
123 if (fanout == -1 && PyErr_Occurred()) {
124 goto exit;
125 }
126 if (!--noptargs) {
127 goto skip_optional_kwonly;
128 }
129 }
130 if (fastargs[6]) {
131 depth = PyLong_AsInt(fastargs[6]);
132 if (depth == -1 && PyErr_Occurred()) {
133 goto exit;
134 }
135 if (!--noptargs) {
136 goto skip_optional_kwonly;
137 }
138 }
139 if (fastargs[7]) {
140 if (!_PyLong_UnsignedLong_Converter(fastargs[7], &leaf_size)) {
141 goto exit;
142 }
143 if (!--noptargs) {
144 goto skip_optional_kwonly;
145 }
146 }
147 if (fastargs[8]) {
148 if (!_PyLong_UnsignedLongLong_Converter(fastargs[8], &node_offset)) {
149 goto exit;
150 }
151 if (!--noptargs) {
152 goto skip_optional_kwonly;
153 }
154 }
155 if (fastargs[9]) {
156 node_depth = PyLong_AsInt(fastargs[9]);
157 if (node_depth == -1 && PyErr_Occurred()) {
158 goto exit;
159 }
160 if (!--noptargs) {
161 goto skip_optional_kwonly;
162 }
163 }
164 if (fastargs[10]) {
165 inner_size = PyLong_AsInt(fastargs[10]);
166 if (inner_size == -1 && PyErr_Occurred()) {
167 goto exit;
168 }
169 if (!--noptargs) {
170 goto skip_optional_kwonly;
171 }
172 }
173 if (fastargs[11]) {
174 last_node = PyObject_IsTrue(fastargs[11]);
175 if (last_node < 0) {
176 goto exit;
177 }
178 if (!--noptargs) {
179 goto skip_optional_kwonly;
180 }
181 }
182 usedforsecurity = PyObject_IsTrue(fastargs[12]);
183 if (usedforsecurity < 0) {
184 goto exit;
185 }
186 skip_optional_kwonly:
187 return_value = py_blake2b_new_impl(type, data, digest_size, &key, &salt, &person, fanout, depth, leaf_size, node_offset, node_depth, inner_size, last_node, usedforsecurity);
188
189 exit:
190 /* Cleanup for key */
191 if (key.obj) {
192 PyBuffer_Release(&key);
193 }
194 /* Cleanup for salt */
195 if (salt.obj) {
196 PyBuffer_Release(&salt);
197 }
198 /* Cleanup for person */
199 if (person.obj) {
200 PyBuffer_Release(&person);
201 }
202
203 return return_value;
204 }
205
206 PyDoc_STRVAR(_blake2_blake2b_copy__doc__,
207 "copy($self, /)\n"
208 "--\n"
209 "\n"
210 "Return a copy of the hash object.");
211
212 #define _BLAKE2_BLAKE2B_COPY_METHODDEF \
213 {"copy", (PyCFunction)_blake2_blake2b_copy, METH_NOARGS, _blake2_blake2b_copy__doc__},
214
215 static PyObject *
216 _blake2_blake2b_copy_impl(BLAKE2bObject *self);
217
218 static PyObject *
_blake2_blake2b_copy(BLAKE2bObject * self,PyObject * Py_UNUSED (ignored))219 _blake2_blake2b_copy(BLAKE2bObject *self, PyObject *Py_UNUSED(ignored))
220 {
221 return _blake2_blake2b_copy_impl(self);
222 }
223
224 PyDoc_STRVAR(_blake2_blake2b_update__doc__,
225 "update($self, data, /)\n"
226 "--\n"
227 "\n"
228 "Update this hash object\'s state with the provided bytes-like object.");
229
230 #define _BLAKE2_BLAKE2B_UPDATE_METHODDEF \
231 {"update", (PyCFunction)_blake2_blake2b_update, METH_O, _blake2_blake2b_update__doc__},
232
233 PyDoc_STRVAR(_blake2_blake2b_digest__doc__,
234 "digest($self, /)\n"
235 "--\n"
236 "\n"
237 "Return the digest value as a bytes object.");
238
239 #define _BLAKE2_BLAKE2B_DIGEST_METHODDEF \
240 {"digest", (PyCFunction)_blake2_blake2b_digest, METH_NOARGS, _blake2_blake2b_digest__doc__},
241
242 static PyObject *
243 _blake2_blake2b_digest_impl(BLAKE2bObject *self);
244
245 static PyObject *
_blake2_blake2b_digest(BLAKE2bObject * self,PyObject * Py_UNUSED (ignored))246 _blake2_blake2b_digest(BLAKE2bObject *self, PyObject *Py_UNUSED(ignored))
247 {
248 return _blake2_blake2b_digest_impl(self);
249 }
250
251 PyDoc_STRVAR(_blake2_blake2b_hexdigest__doc__,
252 "hexdigest($self, /)\n"
253 "--\n"
254 "\n"
255 "Return the digest value as a string of hexadecimal digits.");
256
257 #define _BLAKE2_BLAKE2B_HEXDIGEST_METHODDEF \
258 {"hexdigest", (PyCFunction)_blake2_blake2b_hexdigest, METH_NOARGS, _blake2_blake2b_hexdigest__doc__},
259
260 static PyObject *
261 _blake2_blake2b_hexdigest_impl(BLAKE2bObject *self);
262
263 static PyObject *
_blake2_blake2b_hexdigest(BLAKE2bObject * self,PyObject * Py_UNUSED (ignored))264 _blake2_blake2b_hexdigest(BLAKE2bObject *self, PyObject *Py_UNUSED(ignored))
265 {
266 return _blake2_blake2b_hexdigest_impl(self);
267 }
268 /*[clinic end generated code: output=e18eeaee40623bfc input=a9049054013a1b77]*/
269