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Diffstat (limited to 'Modules/md5module.c')
-rw-r--r-- | Modules/md5module.c | 312 |
1 files changed, 0 insertions, 312 deletions
diff --git a/Modules/md5module.c b/Modules/md5module.c deleted file mode 100644 index 5e4f116..0000000 --- a/Modules/md5module.c +++ /dev/null @@ -1,312 +0,0 @@ - -/* MD5 module */ - -/* This module provides an interface to the RSA Data Security, - Inc. MD5 Message-Digest Algorithm, described in RFC 1321. - It requires the files md5c.c and md5.h (which are slightly changed - from the versions in the RFC to avoid the "global.h" file.) */ - - -/* MD5 objects */ - -#include "Python.h" -#include "structmember.h" -#include "md5.h" - -typedef struct { - PyObject_HEAD - md5_state_t md5; /* the context holder */ -} md5object; - -static PyTypeObject MD5type; - -#define is_md5object(v) ((v)->ob_type == &MD5type) - -static md5object * -newmd5object(void) -{ - md5object *md5p; - - md5p = PyObject_New(md5object, &MD5type); - if (md5p == NULL) - return NULL; - - md5_init(&md5p->md5); /* actual initialisation */ - return md5p; -} - - -/* MD5 methods */ - -static void -md5_dealloc(md5object *md5p) -{ - PyObject_Del(md5p); -} - - -/* MD5 methods-as-attributes */ - -static PyObject * -md5_update(md5object *self, PyObject *args) -{ - unsigned char *cp; - int len; - - if (!PyArg_ParseTuple(args, "s#:update", &cp, &len)) - return NULL; - - md5_append(&self->md5, cp, len); - - Py_INCREF(Py_None); - return Py_None; -} - -PyDoc_STRVAR(update_doc, -"update (arg)\n\ -\n\ -Update the md5 object with the string arg. Repeated calls are\n\ -equivalent to a single call with the concatenation of all the\n\ -arguments."); - - -static PyObject * -md5_digest(md5object *self) -{ - md5_state_t mdContext; - unsigned char aDigest[16]; - - /* make a temporary copy, and perform the final */ - mdContext = self->md5; - md5_finish(&mdContext, aDigest); - - return PyString_FromStringAndSize((char *)aDigest, 16); -} - -PyDoc_STRVAR(digest_doc, -"digest() -> string\n\ -\n\ -Return the digest of the strings passed to the update() method so\n\ -far. This is a 16-byte string which may contain non-ASCII characters,\n\ -including null bytes."); - - -static PyObject * -md5_hexdigest(md5object *self) -{ - md5_state_t mdContext; - unsigned char digest[16]; - unsigned char hexdigest[32]; - int i, j; - - /* make a temporary copy, and perform the final */ - mdContext = self->md5; - md5_finish(&mdContext, digest); - - /* Make hex version of the digest */ - for(i=j=0; i<16; i++) { - char c; - c = (digest[i] >> 4) & 0xf; - c = (c>9) ? c+'a'-10 : c + '0'; - hexdigest[j++] = c; - c = (digest[i] & 0xf); - c = (c>9) ? c+'a'-10 : c + '0'; - hexdigest[j++] = c; - } - return PyString_FromStringAndSize((char*)hexdigest, 32); -} - - -PyDoc_STRVAR(hexdigest_doc, -"hexdigest() -> string\n\ -\n\ -Like digest(), but returns the digest as a string of hexadecimal digits."); - - -static PyObject * -md5_copy(md5object *self) -{ - md5object *md5p; - - if ((md5p = newmd5object()) == NULL) - return NULL; - - md5p->md5 = self->md5; - - return (PyObject *)md5p; -} - -PyDoc_STRVAR(copy_doc, -"copy() -> md5 object\n\ -\n\ -Return a copy (``clone'') of the md5 object."); - - -static PyMethodDef md5_methods[] = { - {"update", (PyCFunction)md5_update, METH_VARARGS, update_doc}, - {"digest", (PyCFunction)md5_digest, METH_NOARGS, digest_doc}, - {"hexdigest", (PyCFunction)md5_hexdigest, METH_NOARGS, hexdigest_doc}, - {"copy", (PyCFunction)md5_copy, METH_NOARGS, copy_doc}, - {NULL, NULL} /* sentinel */ -}; - -static PyObject * -md5_get_block_size(PyObject *self, void *closure) -{ - return PyInt_FromLong(64); -} - -static PyObject * -md5_get_digest_size(PyObject *self, void *closure) -{ - return PyInt_FromLong(16); -} - -static PyObject * -md5_get_name(PyObject *self, void *closure) -{ - return PyString_FromStringAndSize("MD5", 3); -} - -static PyGetSetDef md5_getseters[] = { - {"digest_size", - (getter)md5_get_digest_size, NULL, - NULL, - NULL}, - {"block_size", - (getter)md5_get_block_size, NULL, - NULL, - NULL}, - {"name", - (getter)md5_get_name, NULL, - NULL, - NULL}, - /* the old md5 and sha modules support 'digest_size' as in PEP 247. - * the old sha module also supported 'digestsize'. ugh. */ - {"digestsize", - (getter)md5_get_digest_size, NULL, - NULL, - NULL}, - {NULL} /* Sentinel */ -}; - - -PyDoc_STRVAR(module_doc, -"This module implements the interface to RSA's MD5 message digest\n\ -algorithm (see also Internet RFC 1321). Its use is quite\n\ -straightforward: use the new() to create an md5 object. You can now\n\ -feed this object with arbitrary strings using the update() method, and\n\ -at any point you can ask it for the digest (a strong kind of 128-bit\n\ -checksum, a.k.a. ``fingerprint'') of the concatenation of the strings\n\ -fed to it so far using the digest() method.\n\ -\n\ -Functions:\n\ -\n\ -new([arg]) -- return a new md5 object, initialized with arg if provided\n\ -md5([arg]) -- DEPRECATED, same as new, but for compatibility\n\ -\n\ -Special Objects:\n\ -\n\ -MD5Type -- type object for md5 objects"); - -PyDoc_STRVAR(md5type_doc, -"An md5 represents the object used to calculate the MD5 checksum of a\n\ -string of information.\n\ -\n\ -Methods:\n\ -\n\ -update() -- updates the current digest with an additional string\n\ -digest() -- return the current digest value\n\ -hexdigest() -- return the current digest as a string of hexadecimal digits\n\ -copy() -- return a copy of the current md5 object"); - -static PyTypeObject MD5type = { - PyObject_HEAD_INIT(NULL) - 0, /*ob_size*/ - "_md5.md5", /*tp_name*/ - sizeof(md5object), /*tp_size*/ - 0, /*tp_itemsize*/ - /* methods */ - (destructor)md5_dealloc, /*tp_dealloc*/ - 0, /*tp_print*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - 0, /*tp_repr*/ - 0, /*tp_as_number*/ - 0, /*tp_as_sequence*/ - 0, /*tp_as_mapping*/ - 0, /*tp_hash*/ - 0, /*tp_call*/ - 0, /*tp_str*/ - 0, /*tp_getattro*/ - 0, /*tp_setattro*/ - 0, /*tp_as_buffer*/ - Py_TPFLAGS_DEFAULT, /*tp_flags*/ - md5type_doc, /*tp_doc*/ - 0, /*tp_traverse*/ - 0, /*tp_clear*/ - 0, /*tp_richcompare*/ - 0, /*tp_weaklistoffset*/ - 0, /*tp_iter*/ - 0, /*tp_iternext*/ - md5_methods, /*tp_methods*/ - 0, /*tp_members*/ - md5_getseters, /*tp_getset*/ -}; - - -/* MD5 functions */ - -static PyObject * -MD5_new(PyObject *self, PyObject *args) -{ - md5object *md5p; - unsigned char *cp = NULL; - int len = 0; - - if (!PyArg_ParseTuple(args, "|s#:new", &cp, &len)) - return NULL; - - if ((md5p = newmd5object()) == NULL) - return NULL; - - if (cp) - md5_append(&md5p->md5, cp, len); - - return (PyObject *)md5p; -} - -PyDoc_STRVAR(new_doc, -"new([arg]) -> md5 object\n\ -\n\ -Return a new md5 object. If arg is present, the method call update(arg)\n\ -is made."); - - -/* List of functions exported by this module */ - -static PyMethodDef md5_functions[] = { - {"new", (PyCFunction)MD5_new, METH_VARARGS, new_doc}, - {NULL, NULL} /* Sentinel */ -}; - - -/* Initialize this module. */ - -PyMODINIT_FUNC -init_md5(void) -{ - PyObject *m, *d; - - MD5type.ob_type = &PyType_Type; - if (PyType_Ready(&MD5type) < 0) - return; - m = Py_InitModule3("_md5", md5_functions, module_doc); - if (m == NULL) - return; - d = PyModule_GetDict(m); - PyDict_SetItemString(d, "MD5Type", (PyObject *)&MD5type); - PyModule_AddIntConstant(m, "digest_size", 16); - /* No need to check the error here, the caller will do that */ -} |