+++ /dev/null
-\r
-/* MD5 module */\r
-\r
-/* This module provides an interface to the RSA Data Security,\r
- Inc. MD5 Message-Digest Algorithm, described in RFC 1321.\r
- It requires the files md5c.c and md5.h (which are slightly changed\r
- from the versions in the RFC to avoid the "global.h" file.) */\r
-\r
-\r
-/* MD5 objects */\r
-\r
-#include "Python.h"\r
-#include "structmember.h"\r
-#include "md5.h"\r
-\r
-typedef struct {\r
- PyObject_HEAD\r
- md5_state_t md5; /* the context holder */\r
-} md5object;\r
-\r
-static PyTypeObject MD5type;\r
-\r
-#define is_md5object(v) ((v)->ob_type == &MD5type)\r
-\r
-static md5object *\r
-newmd5object(void)\r
-{\r
- md5object *md5p;\r
-\r
- md5p = PyObject_New(md5object, &MD5type);\r
- if (md5p == NULL)\r
- return NULL;\r
-\r
- md5_init(&md5p->md5); /* actual initialisation */\r
- return md5p;\r
-}\r
-\r
-\r
-/* MD5 methods */\r
-\r
-static void\r
-md5_dealloc(md5object *md5p)\r
-{\r
- PyObject_Del(md5p);\r
-}\r
-\r
-\r
-/* MD5 methods-as-attributes */\r
-\r
-static PyObject *\r
-md5_update(md5object *self, PyObject *args)\r
-{\r
- Py_buffer view;\r
-\r
- if (!PyArg_ParseTuple(args, "s*:update", &view))\r
- return NULL;\r
-\r
- md5_append(&self->md5, (unsigned char*)view.buf,\r
- Py_SAFE_DOWNCAST(view.len, Py_ssize_t, unsigned int));\r
-\r
- PyBuffer_Release(&view);\r
- Py_RETURN_NONE;\r
-}\r
-\r
-PyDoc_STRVAR(update_doc,\r
-"update (arg)\n\\r
-\n\\r
-Update the md5 object with the string arg. Repeated calls are\n\\r
-equivalent to a single call with the concatenation of all the\n\\r
-arguments.");\r
-\r
-\r
-static PyObject *\r
-md5_digest(md5object *self)\r
-{\r
- md5_state_t mdContext;\r
- unsigned char aDigest[16];\r
-\r
- /* make a temporary copy, and perform the final */\r
- mdContext = self->md5;\r
- md5_finish(&mdContext, aDigest);\r
-\r
- return PyString_FromStringAndSize((char *)aDigest, 16);\r
-}\r
-\r
-PyDoc_STRVAR(digest_doc,\r
-"digest() -> string\n\\r
-\n\\r
-Return the digest of the strings passed to the update() method so\n\\r
-far. This is a 16-byte string which may contain non-ASCII characters,\n\\r
-including null bytes.");\r
-\r
-\r
-static PyObject *\r
-md5_hexdigest(md5object *self)\r
-{\r
- md5_state_t mdContext;\r
- unsigned char digest[16];\r
- unsigned char hexdigest[32];\r
- int i, j;\r
-\r
- /* make a temporary copy, and perform the final */\r
- mdContext = self->md5;\r
- md5_finish(&mdContext, digest);\r
-\r
- /* Make hex version of the digest */\r
- for(i=j=0; i<16; i++) {\r
- char c;\r
- c = (digest[i] >> 4) & 0xf;\r
- c = (c>9) ? c+'a'-10 : c + '0';\r
- hexdigest[j++] = c;\r
- c = (digest[i] & 0xf);\r
- c = (c>9) ? c+'a'-10 : c + '0';\r
- hexdigest[j++] = c;\r
- }\r
- return PyString_FromStringAndSize((char*)hexdigest, 32);\r
-}\r
-\r
-\r
-PyDoc_STRVAR(hexdigest_doc,\r
-"hexdigest() -> string\n\\r
-\n\\r
-Like digest(), but returns the digest as a string of hexadecimal digits.");\r
-\r
-\r
-static PyObject *\r
-md5_copy(md5object *self)\r
-{\r
- md5object *md5p;\r
-\r
- if ((md5p = newmd5object()) == NULL)\r
- return NULL;\r
-\r
- md5p->md5 = self->md5;\r
-\r
- return (PyObject *)md5p;\r
-}\r
-\r
-PyDoc_STRVAR(copy_doc,\r
-"copy() -> md5 object\n\\r
-\n\\r
-Return a copy (``clone'') of the md5 object.");\r
-\r
-\r
-static PyMethodDef md5_methods[] = {\r
- {"update", (PyCFunction)md5_update, METH_VARARGS, update_doc},\r
- {"digest", (PyCFunction)md5_digest, METH_NOARGS, digest_doc},\r
- {"hexdigest", (PyCFunction)md5_hexdigest, METH_NOARGS, hexdigest_doc},\r
- {"copy", (PyCFunction)md5_copy, METH_NOARGS, copy_doc},\r
- {NULL, NULL} /* sentinel */\r
-};\r
-\r
-static PyObject *\r
-md5_get_block_size(PyObject *self, void *closure)\r
-{\r
- return PyInt_FromLong(64);\r
-}\r
-\r
-static PyObject *\r
-md5_get_digest_size(PyObject *self, void *closure)\r
-{\r
- return PyInt_FromLong(16);\r
-}\r
-\r
-static PyObject *\r
-md5_get_name(PyObject *self, void *closure)\r
-{\r
- return PyString_FromStringAndSize("MD5", 3);\r
-}\r
-\r
-static PyGetSetDef md5_getseters[] = {\r
- {"digest_size",\r
- (getter)md5_get_digest_size, NULL,\r
- NULL,\r
- NULL},\r
- {"block_size",\r
- (getter)md5_get_block_size, NULL,\r
- NULL,\r
- NULL},\r
- {"name",\r
- (getter)md5_get_name, NULL,\r
- NULL,\r
- NULL},\r
- /* the old md5 and sha modules support 'digest_size' as in PEP 247.\r
- * the old sha module also supported 'digestsize'. ugh. */\r
- {"digestsize",\r
- (getter)md5_get_digest_size, NULL,\r
- NULL,\r
- NULL},\r
- {NULL} /* Sentinel */\r
-};\r
-\r
-\r
-PyDoc_STRVAR(module_doc,\r
-"This module implements the interface to RSA's MD5 message digest\n\\r
-algorithm (see also Internet RFC 1321). Its use is quite\n\\r
-straightforward: use the new() to create an md5 object. You can now\n\\r
-feed this object with arbitrary strings using the update() method, and\n\\r
-at any point you can ask it for the digest (a strong kind of 128-bit\n\\r
-checksum, a.k.a. ``fingerprint'') of the concatenation of the strings\n\\r
-fed to it so far using the digest() method.\n\\r
-\n\\r
-Functions:\n\\r
-\n\\r
-new([arg]) -- return a new md5 object, initialized with arg if provided\n\\r
-md5([arg]) -- DEPRECATED, same as new, but for compatibility\n\\r
-\n\\r
-Special Objects:\n\\r
-\n\\r
-MD5Type -- type object for md5 objects");\r
-\r
-PyDoc_STRVAR(md5type_doc,\r
-"An md5 represents the object used to calculate the MD5 checksum of a\n\\r
-string of information.\n\\r
-\n\\r
-Methods:\n\\r
-\n\\r
-update() -- updates the current digest with an additional string\n\\r
-digest() -- return the current digest value\n\\r
-hexdigest() -- return the current digest as a string of hexadecimal digits\n\\r
-copy() -- return a copy of the current md5 object");\r
-\r
-static PyTypeObject MD5type = {\r
- PyVarObject_HEAD_INIT(NULL, 0)\r
- "_md5.md5", /*tp_name*/\r
- sizeof(md5object), /*tp_size*/\r
- 0, /*tp_itemsize*/\r
- /* methods */\r
- (destructor)md5_dealloc, /*tp_dealloc*/\r
- 0, /*tp_print*/\r
- 0, /*tp_getattr*/\r
- 0, /*tp_setattr*/\r
- 0, /*tp_compare*/\r
- 0, /*tp_repr*/\r
- 0, /*tp_as_number*/\r
- 0, /*tp_as_sequence*/\r
- 0, /*tp_as_mapping*/\r
- 0, /*tp_hash*/\r
- 0, /*tp_call*/\r
- 0, /*tp_str*/\r
- 0, /*tp_getattro*/\r
- 0, /*tp_setattro*/\r
- 0, /*tp_as_buffer*/\r
- Py_TPFLAGS_DEFAULT, /*tp_flags*/\r
- md5type_doc, /*tp_doc*/\r
- 0, /*tp_traverse*/\r
- 0, /*tp_clear*/\r
- 0, /*tp_richcompare*/\r
- 0, /*tp_weaklistoffset*/\r
- 0, /*tp_iter*/\r
- 0, /*tp_iternext*/\r
- md5_methods, /*tp_methods*/\r
- 0, /*tp_members*/\r
- md5_getseters, /*tp_getset*/\r
-};\r
-\r
-\r
-/* MD5 functions */\r
-\r
-static PyObject *\r
-MD5_new(PyObject *self, PyObject *args)\r
-{\r
- md5object *md5p;\r
- Py_buffer view = { 0 };\r
-\r
- if (!PyArg_ParseTuple(args, "|s*:new", &view))\r
- return NULL;\r
-\r
- if ((md5p = newmd5object()) == NULL) {\r
- PyBuffer_Release(&view);\r
- return NULL;\r
- }\r
-\r
- if (view.len > 0) {\r
- md5_append(&md5p->md5, (unsigned char*)view.buf,\r
- Py_SAFE_DOWNCAST(view.len, Py_ssize_t, unsigned int));\r
- }\r
- PyBuffer_Release(&view);\r
-\r
- return (PyObject *)md5p;\r
-}\r
-\r
-PyDoc_STRVAR(new_doc,\r
-"new([arg]) -> md5 object\n\\r
-\n\\r
-Return a new md5 object. If arg is present, the method call update(arg)\n\\r
-is made.");\r
-\r
-\r
-/* List of functions exported by this module */\r
-\r
-static PyMethodDef md5_functions[] = {\r
- {"new", (PyCFunction)MD5_new, METH_VARARGS, new_doc},\r
- {NULL, NULL} /* Sentinel */\r
-};\r
-\r
-\r
-/* Initialize this module. */\r
-\r
-PyMODINIT_FUNC\r
-init_md5(void)\r
-{\r
- PyObject *m, *d;\r
-\r
- Py_TYPE(&MD5type) = &PyType_Type;\r
- if (PyType_Ready(&MD5type) < 0)\r
- return;\r
- m = Py_InitModule3("_md5", md5_functions, module_doc);\r
- if (m == NULL)\r
- return;\r
- d = PyModule_GetDict(m);\r
- PyDict_SetItemString(d, "MD5Type", (PyObject *)&MD5type);\r
- PyModule_AddIntConstant(m, "digest_size", 16);\r
- /* No need to check the error here, the caller will do that */\r
-}\r
projects / mirror_edk2.git / blobdiff