cpython/Modules/md5module.c

/* MD5 module */

/* This module provides an interface to the MD5 algorithm */

/* See below for information about the original code this module was
   based upon. Additional work performed by:

   Andrew Kuchling ([email protected])
   Greg Stein ([email protected])
   Trevor Perrin ([email protected])

   Copyright (C) 2005-2007   Gregory P. Smith ([email protected])
   Licensed to PSF under a Contributor Agreement.

*/

/* MD5 objects */

#ifndef Py_BUILD_CORE_BUILTIN
#define Py_BUILD_CORE_MODULE …
#endif

#include "Python.h"
#include "hashlib.h"

/*[clinic input]
module _md5
class MD5Type "MD5object *" "&PyType_Type"
[clinic start generated code]*/
/*[clinic end generated code: output=da39a3ee5e6b4b0d input=6e5261719957a912]*/

/* Some useful types */

#if SIZEOF_INT == 4
MD5_INT32; /* 32-bit integer */
MD5_INT64; /* 64-bit integer */
#else
/* not defined. compilation will die. */
#endif

/* The MD5 block size and message digest sizes, in bytes */

#define MD5_BLOCKSIZE …
#define MD5_DIGESTSIZE …

#include "_hacl/Hacl_Hash_MD5.h"


MD5object;

#include "clinic/md5module.c.h"


MD5State;

static inline MD5State*
md5_get_state(PyObject *module)
{ … }

static MD5object *
newMD5object(MD5State * st)
{ … }

/* Internal methods for a hash object */
static int
MD5_traverse(PyObject *ptr, visitproc visit, void *arg)
{ … }

static void
MD5_dealloc(MD5object *ptr)
{ … }


/* External methods for a hash object */

/*[clinic input]
MD5Type.copy

    cls: defining_class

Return a copy of the hash object.
[clinic start generated code]*/

static PyObject *
MD5Type_copy_impl(MD5object *self, PyTypeObject *cls)
/*[clinic end generated code: output=bf055e08244bf5ee input=d89087dcfb2a8620]*/
{ … }

/*[clinic input]
MD5Type.digest

Return the digest value as a bytes object.
[clinic start generated code]*/

static PyObject *
MD5Type_digest_impl(MD5object *self)
/*[clinic end generated code: output=eb691dc4190a07ec input=bc0c4397c2994be6]*/
{ … }

/*[clinic input]
MD5Type.hexdigest

Return the digest value as a string of hexadecimal digits.
[clinic start generated code]*/

static PyObject *
MD5Type_hexdigest_impl(MD5object *self)
/*[clinic end generated code: output=17badced1f3ac932 input=b60b19de644798dd]*/
{ … }

static void update(Hacl_Hash_MD5_state_t *state, uint8_t *buf, Py_ssize_t len) { … }

/*[clinic input]
MD5Type.update

    obj: object
    /

Update this hash object's state with the provided string.
[clinic start generated code]*/

static PyObject *
MD5Type_update(MD5object *self, PyObject *obj)
/*[clinic end generated code: output=f6ad168416338423 input=6e1efcd9ecf17032]*/
{ … }

static PyMethodDef MD5_methods[] = …;

static PyObject *
MD5_get_block_size(PyObject *self, void *closure)
{ … }

static PyObject *
MD5_get_name(PyObject *self, void *closure)
{ … }

static PyObject *
md5_get_digest_size(PyObject *self, void *closure)
{ … }

static PyGetSetDef MD5_getseters[] = …;

static PyType_Slot md5_type_slots[] = …;

static PyType_Spec md5_type_spec = …;

/* The single module-level function: new() */

/*[clinic input]
_md5.md5

    string: object(c_default="NULL") = b''
    *
    usedforsecurity: bool = True

Return a new MD5 hash object; optionally initialized with a string.
[clinic start generated code]*/

static PyObject *
_md5_md5_impl(PyObject *module, PyObject *string, int usedforsecurity)
/*[clinic end generated code: output=587071f76254a4ac input=7a144a1905636985]*/
{ … }


/* List of functions exported by this module */

static struct PyMethodDef MD5_functions[] = …;

static int
_md5_traverse(PyObject *module, visitproc visit, void *arg)
{ … }

static int
_md5_clear(PyObject *module)
{ … }

static void
_md5_free(void *module)
{ … }

/* Initialize this module. */
static int
md5_exec(PyObject *m)
{ … }

static PyModuleDef_Slot _md5_slots[] = …;


static struct PyModuleDef _md5module = …;

PyMODINIT_FUNC
PyInit__md5(void)
{ … }