diff options
Diffstat (limited to 'AppPkg/Applications/Python/Python-2.7.2/Modules/md5module.c')
| -rw-r--r-- | AppPkg/Applications/Python/Python-2.7.2/Modules/md5module.c | 315 |
1 files changed, 315 insertions, 0 deletions
diff --git a/AppPkg/Applications/Python/Python-2.7.2/Modules/md5module.c b/AppPkg/Applications/Python/Python-2.7.2/Modules/md5module.c new file mode 100644 index 0000000000..c1ef28c017 --- /dev/null +++ b/AppPkg/Applications/Python/Python-2.7.2/Modules/md5module.c @@ -0,0 +1,315 @@ +
+/* 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)
+{
+ Py_buffer view;
+
+ if (!PyArg_ParseTuple(args, "s*:update", &view))
+ return NULL;
+
+ md5_append(&self->md5, (unsigned char*)view.buf,
+ Py_SAFE_DOWNCAST(view.len, Py_ssize_t, unsigned int));
+
+ PyBuffer_Release(&view);
+ Py_RETURN_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 = {
+ PyVarObject_HEAD_INIT(NULL, 0)
+ "_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;
+ Py_buffer view = { 0 };
+
+ if (!PyArg_ParseTuple(args, "|s*:new", &view))
+ return NULL;
+
+ if ((md5p = newmd5object()) == NULL) {
+ PyBuffer_Release(&view);
+ return NULL;
+ }
+
+ if (view.len > 0) {
+ md5_append(&md5p->md5, (unsigned char*)view.buf,
+ Py_SAFE_DOWNCAST(view.len, Py_ssize_t, unsigned int));
+ }
+ PyBuffer_Release(&view);
+
+ 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;
+
+ Py_TYPE(&MD5type) = &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 */
+}
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