diff options
Diffstat (limited to 'Modules/sha256module.c')
| -rw-r--r-- | Modules/sha256module.c | 146 |
1 files changed, 74 insertions, 72 deletions
diff --git a/Modules/sha256module.c b/Modules/sha256module.c index b05bfc172f..8c4def0572 100644 --- a/Modules/sha256module.c +++ b/Modules/sha256module.c @@ -19,7 +19,13 @@ #include "Python.h" #include "structmember.h" #include "hashlib.h" +#include "pystrhex.h" +/*[clinic input] +module _sha256 +class SHA256Type "SHAobject *" "&PyType_Type" +[clinic start generated code]*/ +/*[clinic end generated code: output=da39a3ee5e6b4b0d input=71a39174d4f0a744]*/ /* Some useful types */ @@ -47,6 +53,8 @@ typedef struct { int digestsize; } SHAobject; +#include "clinic/sha256module.c.h" + /* When run on a little-endian CPU we need to perform byte reversal on an array of longwords. */ @@ -393,10 +401,15 @@ SHA_dealloc(PyObject *ptr) /* External methods for a hash object */ -PyDoc_STRVAR(SHA256_copy__doc__, "Return a copy of the hash object."); +/*[clinic input] +SHA256Type.copy + +Return a copy of the hash object. +[clinic start generated code]*/ static PyObject * -SHA256_copy(SHAobject *self, PyObject *unused) +SHA256Type_copy_impl(SHAobject *self) +/*[clinic end generated code: output=1a8bbd66a0c9c168 input=f58840a618d4f2a7]*/ { SHAobject *newobj; @@ -412,11 +425,15 @@ SHA256_copy(SHAobject *self, PyObject *unused) return (PyObject *)newobj; } -PyDoc_STRVAR(SHA256_digest__doc__, -"Return the digest value as a string of binary data."); +/*[clinic input] +SHA256Type.digest + +Return the digest value as a string of binary data. +[clinic start generated code]*/ static PyObject * -SHA256_digest(SHAobject *self, PyObject *unused) +SHA256Type_digest_impl(SHAobject *self) +/*[clinic end generated code: output=46616a5e909fbc3d input=1fb752e58954157d]*/ { unsigned char digest[SHA_DIGESTSIZE]; SHAobject temp; @@ -426,54 +443,41 @@ SHA256_digest(SHAobject *self, PyObject *unused) return PyBytes_FromStringAndSize((const char *)digest, self->digestsize); } -PyDoc_STRVAR(SHA256_hexdigest__doc__, -"Return the digest value as a string of hexadecimal digits."); +/*[clinic input] +SHA256Type.hexdigest + +Return the digest value as a string of hexadecimal digits. +[clinic start generated code]*/ static PyObject * -SHA256_hexdigest(SHAobject *self, PyObject *unused) +SHA256Type_hexdigest_impl(SHAobject *self) +/*[clinic end generated code: output=725f8a7041ae97f3 input=0cc4c714693010d1]*/ { unsigned char digest[SHA_DIGESTSIZE]; SHAobject temp; - PyObject *retval; - Py_UCS1 *hex_digest; - int i, j; /* Get the raw (binary) digest value */ SHAcopy(self, &temp); sha_final(digest, &temp); - /* Create a new string */ - retval = PyUnicode_New(self->digestsize * 2, 127); - if (!retval) - return NULL; - hex_digest = PyUnicode_1BYTE_DATA(retval); - - /* Make hex version of the digest */ - for(i=j=0; i<self->digestsize; i++) { - unsigned char c; - c = (digest[i] >> 4) & 0xf; - hex_digest[j++] = Py_hexdigits[c]; - c = (digest[i] & 0xf); - hex_digest[j++] = Py_hexdigits[c]; - } -#ifdef Py_DEBUG - assert(_PyUnicode_CheckConsistency(retval, 1)); -#endif - return retval; + return _Py_strhex((const char *)digest, self->digestsize); } -PyDoc_STRVAR(SHA256_update__doc__, -"Update this hash object's state with the provided string."); +/*[clinic input] +SHA256Type.update + + obj: object + / + +Update this hash object's state with the provided string. +[clinic start generated code]*/ static PyObject * -SHA256_update(SHAobject *self, PyObject *args) +SHA256Type_update(SHAobject *self, PyObject *obj) +/*[clinic end generated code: output=0967fb2860c66af7 input=b2d449d5b30f0f5a]*/ { - PyObject *obj; Py_buffer buf; - if (!PyArg_ParseTuple(args, "O:update", &obj)) - return NULL; - GET_BUFFER_VIEW_OR_ERROUT(obj, &buf); sha_update(self, buf.buf, buf.len); @@ -484,10 +488,10 @@ SHA256_update(SHAobject *self, PyObject *args) } static PyMethodDef SHA_methods[] = { - {"copy", (PyCFunction)SHA256_copy, METH_NOARGS, SHA256_copy__doc__}, - {"digest", (PyCFunction)SHA256_digest, METH_NOARGS, SHA256_digest__doc__}, - {"hexdigest", (PyCFunction)SHA256_hexdigest, METH_NOARGS, SHA256_hexdigest__doc__}, - {"update", (PyCFunction)SHA256_update, METH_VARARGS, SHA256_update__doc__}, + SHA256TYPE_COPY_METHODDEF + SHA256TYPE_DIGEST_METHODDEF + SHA256TYPE_HEXDIGEST_METHODDEF + SHA256TYPE_UPDATE_METHODDEF {NULL, NULL} /* sentinel */ }; @@ -594,27 +598,26 @@ static PyTypeObject SHA256type = { /* The single module-level function: new() */ -PyDoc_STRVAR(SHA256_new__doc__, -"Return a new SHA-256 hash object; optionally initialized with a string."); +/*[clinic input] +_sha256.sha256 + + string: object(c_default="NULL") = b'' + +Return a new SHA-256 hash object; optionally initialized with a string. +[clinic start generated code]*/ static PyObject * -SHA256_new(PyObject *self, PyObject *args, PyObject *kwdict) +_sha256_sha256_impl(PyModuleDef *module, PyObject *string) +/*[clinic end generated code: output=d70e6e2d97112844 input=09cce3fb855056b2]*/ { - static char *kwlist[] = {"string", NULL}; SHAobject *new; - PyObject *data_obj = NULL; Py_buffer buf; - if (!PyArg_ParseTupleAndKeywords(args, kwdict, "|O:new", kwlist, - &data_obj)) { - return NULL; - } - - if (data_obj) - GET_BUFFER_VIEW_OR_ERROUT(data_obj, &buf); + if (string) + GET_BUFFER_VIEW_OR_ERROUT(string, &buf); if ((new = newSHA256object()) == NULL) { - if (data_obj) + if (string) PyBuffer_Release(&buf); return NULL; } @@ -623,11 +626,11 @@ SHA256_new(PyObject *self, PyObject *args, PyObject *kwdict) if (PyErr_Occurred()) { Py_DECREF(new); - if (data_obj) + if (string) PyBuffer_Release(&buf); return NULL; } - if (data_obj) { + if (string) { sha_update(new, buf.buf, buf.len); PyBuffer_Release(&buf); } @@ -635,27 +638,26 @@ SHA256_new(PyObject *self, PyObject *args, PyObject *kwdict) return (PyObject *)new; } -PyDoc_STRVAR(SHA224_new__doc__, -"Return a new SHA-224 hash object; optionally initialized with a string."); +/*[clinic input] +_sha256.sha224 + + string: object(c_default="NULL") = b'' + +Return a new SHA-224 hash object; optionally initialized with a string. +[clinic start generated code]*/ static PyObject * -SHA224_new(PyObject *self, PyObject *args, PyObject *kwdict) +_sha256_sha224_impl(PyModuleDef *module, PyObject *string) +/*[clinic end generated code: output=f2822bf28416b42a input=27a04ba24c353a73]*/ { - static char *kwlist[] = {"string", NULL}; SHAobject *new; - PyObject *data_obj = NULL; Py_buffer buf; - if (!PyArg_ParseTupleAndKeywords(args, kwdict, "|O:new", kwlist, - &data_obj)) { - return NULL; - } - - if (data_obj) - GET_BUFFER_VIEW_OR_ERROUT(data_obj, &buf); + if (string) + GET_BUFFER_VIEW_OR_ERROUT(string, &buf); if ((new = newSHA224object()) == NULL) { - if (data_obj) + if (string) PyBuffer_Release(&buf); return NULL; } @@ -664,11 +666,11 @@ SHA224_new(PyObject *self, PyObject *args, PyObject *kwdict) if (PyErr_Occurred()) { Py_DECREF(new); - if (data_obj) + if (string) PyBuffer_Release(&buf); return NULL; } - if (data_obj) { + if (string) { sha_update(new, buf.buf, buf.len); PyBuffer_Release(&buf); } @@ -680,8 +682,8 @@ SHA224_new(PyObject *self, PyObject *args, PyObject *kwdict) /* List of functions exported by this module */ static struct PyMethodDef SHA_functions[] = { - {"sha256", (PyCFunction)SHA256_new, METH_VARARGS|METH_KEYWORDS, SHA256_new__doc__}, - {"sha224", (PyCFunction)SHA224_new, METH_VARARGS|METH_KEYWORDS, SHA224_new__doc__}, + _SHA256_SHA256_METHODDEF + _SHA256_SHA224_METHODDEF {NULL, NULL} /* Sentinel */ }; |