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Copy path_hashopenssl.c
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2025 lines (1693 loc) · 50.4 KB
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/* Module that wraps all OpenSSL hash algorithms */
/*
* Copyright (C) 2005-2010 Gregory P. Smith (greg@krypto.org)
* Licensed to PSF under a Contributor Agreement.
*
* Derived from a skeleton of shamodule.c containing work performed by:
*
* Andrew Kuchling (amk@amk.ca)
* Greg Stein (gstein@lyra.org)
*
*/
#define PY_SSIZE_T_CLEAN
#include "Python.h"
#include "hashlib.h"
#include "pystrhex.h"
/* EVP is the preferred interface to hashing in OpenSSL */
#include <openssl/evp.h>
#include <openssl/hmac.h>
/* We use the object interface to discover what hashes OpenSSL supports. */
#include <openssl/objects.h>
#include "openssl/err.h"
#include <openssl/crypto.h> // FIPS_mode()
#ifndef OPENSSL_THREADS
# error "OPENSSL_THREADS is not defined, Python requires thread-safe OpenSSL"
#endif
#if (OPENSSL_VERSION_NUMBER < 0x10100000L) || defined(LIBRESSL_VERSION_NUMBER)
/* OpenSSL < 1.1.0 */
#define EVP_MD_CTX_new EVP_MD_CTX_create
#define EVP_MD_CTX_free EVP_MD_CTX_destroy
HMAC_CTX *
HMAC_CTX_new(void)
{
HMAC_CTX *ctx = OPENSSL_malloc(sizeof(HMAC_CTX));
if (ctx != NULL) {
memset(ctx, 0, sizeof(HMAC_CTX));
HMAC_CTX_init(ctx);
}
return ctx;
}
void
HMAC_CTX_free(HMAC_CTX *ctx)
{
if (ctx != NULL) {
HMAC_CTX_cleanup(ctx);
OPENSSL_free(ctx);
}
}
const EVP_MD *
HMAC_CTX_get_md(const HMAC_CTX *ctx)
{
return ctx->md;
}
#endif
#define MUNCH_SIZE INT_MAX
#ifdef NID_sha3_224
#define PY_OPENSSL_HAS_SHA3 1
#endif
#if defined(EVP_MD_FLAG_XOF) && defined(NID_shake128)
#define PY_OPENSSL_HAS_SHAKE 1
#endif
#if defined(NID_blake2b512) && !defined(OPENSSL_NO_BLAKE2)
#define PY_OPENSSL_HAS_BLAKE2 1
#endif
static PyModuleDef _hashlibmodule;
typedef struct {
PyTypeObject *EVPtype;
PyTypeObject *HMACtype;
#ifdef PY_OPENSSL_HAS_SHAKE
PyTypeObject *EVPXOFtype;
#endif
} _hashlibstate;
static inline _hashlibstate*
get_hashlib_state(PyObject *module)
{
void *state = PyModule_GetState(module);
assert(state != NULL);
return (_hashlibstate *)state;
}
typedef struct {
PyObject_HEAD
EVP_MD_CTX *ctx; /* OpenSSL message digest context */
PyThread_type_lock lock; /* OpenSSL context lock */
} EVPobject;
typedef struct {
PyObject_HEAD
HMAC_CTX *ctx; /* OpenSSL hmac context */
PyThread_type_lock lock; /* HMAC context lock */
} HMACobject;
#include "clinic/_hashopenssl.c.h"
/*[clinic input]
module _hashlib
class _hashlib.HASH "EVPobject *" "((_hashlibstate *)PyModule_GetState(module))->EVPtype"
class _hashlib.HASHXOF "EVPobject *" "((_hashlibstate *)PyModule_GetState(module))->EVPXOFtype"
class _hashlib.HMAC "HMACobject *" "((_hashlibstate *)PyModule_GetState(module))->HMACtype"
[clinic start generated code]*/
/*[clinic end generated code: output=da39a3ee5e6b4b0d input=7df1bcf6f75cb8ef]*/
/* LCOV_EXCL_START */
static PyObject *
_setException(PyObject *exc)
{
unsigned long errcode;
const char *lib, *func, *reason;
errcode = ERR_peek_last_error();
if (!errcode) {
PyErr_SetString(exc, "unknown reasons");
return NULL;
}
ERR_clear_error();
lib = ERR_lib_error_string(errcode);
func = ERR_func_error_string(errcode);
reason = ERR_reason_error_string(errcode);
if (lib && func) {
PyErr_Format(exc, "[%s: %s] %s", lib, func, reason);
}
else if (lib) {
PyErr_Format(exc, "[%s] %s", lib, reason);
}
else {
PyErr_SetString(exc, reason);
}
return NULL;
}
/* LCOV_EXCL_STOP */
/* {Py_tp_new, NULL} doesn't block __new__ */
static PyObject *
_disabled_new(PyTypeObject *type, PyObject *args, PyObject *kwargs)
{
PyErr_Format(PyExc_TypeError,
"cannot create '%.100s' instances", _PyType_Name(type));
return NULL;
}
static PyObject*
py_digest_name(const EVP_MD *md)
{
int nid = EVP_MD_nid(md);
const char *name = NULL;
/* Hard-coded names for well-known hashing algorithms.
* OpenSSL uses slightly different names algorithms like SHA3.
*/
switch (nid) {
case NID_md5:
name = "md5";
break;
case NID_sha1:
name = "sha1";
break;
case NID_sha224:
name ="sha224";
break;
case NID_sha256:
name ="sha256";
break;
case NID_sha384:
name ="sha384";
break;
case NID_sha512:
name ="sha512";
break;
#ifdef NID_sha512_224
case NID_sha512_224:
name ="sha512_224";
break;
case NID_sha512_256:
name ="sha512_256";
break;
#endif
#ifdef PY_OPENSSL_HAS_SHA3
case NID_sha3_224:
name ="sha3_224";
break;
case NID_sha3_256:
name ="sha3_256";
break;
case NID_sha3_384:
name ="sha3_384";
break;
case NID_sha3_512:
name ="sha3_512";
break;
#endif
#ifdef PY_OPENSSL_HAS_SHAKE
case NID_shake128:
name ="shake_128";
break;
case NID_shake256:
name ="shake_256";
break;
#endif
#ifdef PY_OPENSSL_HAS_BLAKE2
case NID_blake2s256:
name ="blake2s";
break;
case NID_blake2b512:
name ="blake2b";
break;
#endif
default:
/* Ignore aliased names and only use long, lowercase name. The aliases
* pollute the list and OpenSSL appears to have its own definition of
* alias as the resulting list still contains duplicate and alternate
* names for several algorithms.
*/
name = OBJ_nid2ln(nid);
if (name == NULL)
name = OBJ_nid2sn(nid);
break;
}
return PyUnicode_FromString(name);
}
static const EVP_MD*
py_digest_by_name(const char *name)
{
const EVP_MD *digest = EVP_get_digestbyname(name);
/* OpenSSL uses dash instead of underscore in names of some algorithms
* like SHA3 and SHAKE. Detect different spellings. */
if (digest == NULL) {
if (0) {}
#ifdef NID_sha512_224
else if (!strcmp(name, "sha512_224") || !strcmp(name, "SHA512_224")) {
digest = EVP_sha512_224();
}
else if (!strcmp(name, "sha512_256") || !strcmp(name, "SHA512_256")) {
digest = EVP_sha512_256();
}
#endif
#ifdef PY_OPENSSL_HAS_SHA3
/* could be sha3_ or shake_, Python never defined upper case */
else if (!strcmp(name, "sha3_224")) {
digest = EVP_sha3_224();
}
else if (!strcmp(name, "sha3_256")) {
digest = EVP_sha3_256();
}
else if (!strcmp(name, "sha3_384")) {
digest = EVP_sha3_384();
}
else if (!strcmp(name, "sha3_512")) {
digest = EVP_sha3_512();
}
#endif
#ifdef PY_OPENSSL_HAS_SHAKE
else if (!strcmp(name, "shake_128")) {
digest = EVP_shake128();
}
else if (!strcmp(name, "shake_256")) {
digest = EVP_shake256();
}
#endif
#ifdef PY_OPENSSL_HAS_BLAKE2
else if (!strcmp(name, "blake2s256")) {
digest = EVP_blake2s256();
}
else if (!strcmp(name, "blake2b512")) {
digest = EVP_blake2b512();
}
#endif
}
return digest;
}
static EVPobject *
newEVPobject(PyTypeObject *type)
{
EVPobject *retval = (EVPobject *)PyObject_New(EVPobject, type);
if (retval == NULL) {
return NULL;
}
retval->lock = NULL;
retval->ctx = EVP_MD_CTX_new();
if (retval->ctx == NULL) {
Py_DECREF(retval);
PyErr_NoMemory();
return NULL;
}
return retval;
}
static int
EVP_hash(EVPobject *self, const void *vp, Py_ssize_t len)
{
unsigned int process;
const unsigned char *cp = (const unsigned char *)vp;
while (0 < len) {
if (len > (Py_ssize_t)MUNCH_SIZE)
process = MUNCH_SIZE;
else
process = Py_SAFE_DOWNCAST(len, Py_ssize_t, unsigned int);
if (!EVP_DigestUpdate(self->ctx, (const void*)cp, process)) {
_setException(PyExc_ValueError);
return -1;
}
len -= process;
cp += process;
}
return 0;
}
/* Internal methods for a hash object */
static void
EVP_dealloc(EVPobject *self)
{
PyTypeObject *tp = Py_TYPE(self);
if (self->lock != NULL)
PyThread_free_lock(self->lock);
EVP_MD_CTX_free(self->ctx);
PyObject_Del(self);
Py_DECREF(tp);
}
static int
locked_EVP_MD_CTX_copy(EVP_MD_CTX *new_ctx_p, EVPobject *self)
{
int result;
ENTER_HASHLIB(self);
result = EVP_MD_CTX_copy(new_ctx_p, self->ctx);
LEAVE_HASHLIB(self);
return result;
}
/* External methods for a hash object */
/*[clinic input]
_hashlib.HASH.copy as EVP_copy
Return a copy of the hash object.
[clinic start generated code]*/
static PyObject *
EVP_copy_impl(EVPobject *self)
/*[clinic end generated code: output=b370c21cdb8ca0b4 input=31455b6a3e638069]*/
{
EVPobject *newobj;
if ((newobj = newEVPobject(Py_TYPE(self))) == NULL)
return NULL;
if (!locked_EVP_MD_CTX_copy(newobj->ctx, self)) {
Py_DECREF(newobj);
return _setException(PyExc_ValueError);
}
return (PyObject *)newobj;
}
/*[clinic input]
_hashlib.HASH.digest as EVP_digest
Return the digest value as a bytes object.
[clinic start generated code]*/
static PyObject *
EVP_digest_impl(EVPobject *self)
/*[clinic end generated code: output=0f6a3a0da46dc12d input=03561809a419bf00]*/
{
unsigned char digest[EVP_MAX_MD_SIZE];
EVP_MD_CTX *temp_ctx;
PyObject *retval;
unsigned int digest_size;
temp_ctx = EVP_MD_CTX_new();
if (temp_ctx == NULL) {
PyErr_NoMemory();
return NULL;
}
if (!locked_EVP_MD_CTX_copy(temp_ctx, self)) {
return _setException(PyExc_ValueError);
}
digest_size = EVP_MD_CTX_size(temp_ctx);
if (!EVP_DigestFinal(temp_ctx, digest, NULL)) {
_setException(PyExc_ValueError);
return NULL;
}
retval = PyBytes_FromStringAndSize((const char *)digest, digest_size);
EVP_MD_CTX_free(temp_ctx);
return retval;
}
/*[clinic input]
_hashlib.HASH.hexdigest as EVP_hexdigest
Return the digest value as a string of hexadecimal digits.
[clinic start generated code]*/
static PyObject *
EVP_hexdigest_impl(EVPobject *self)
/*[clinic end generated code: output=18e6decbaf197296 input=aff9cf0e4c741a9a]*/
{
unsigned char digest[EVP_MAX_MD_SIZE];
EVP_MD_CTX *temp_ctx;
unsigned int digest_size;
temp_ctx = EVP_MD_CTX_new();
if (temp_ctx == NULL) {
PyErr_NoMemory();
return NULL;
}
/* Get the raw (binary) digest value */
if (!locked_EVP_MD_CTX_copy(temp_ctx, self)) {
return _setException(PyExc_ValueError);
}
digest_size = EVP_MD_CTX_size(temp_ctx);
if (!EVP_DigestFinal(temp_ctx, digest, NULL)) {
_setException(PyExc_ValueError);
return NULL;
}
EVP_MD_CTX_free(temp_ctx);
return _Py_strhex((const char *)digest, (Py_ssize_t)digest_size);
}
/*[clinic input]
_hashlib.HASH.update as EVP_update
obj: object
/
Update this hash object's state with the provided string.
[clinic start generated code]*/
static PyObject *
EVP_update(EVPobject *self, PyObject *obj)
/*[clinic end generated code: output=ec1d55ed2432e966 input=9b30ec848f015501]*/
{
int result;
Py_buffer view;
GET_BUFFER_VIEW_OR_ERROUT(obj, &view);
if (self->lock == NULL && view.len >= HASHLIB_GIL_MINSIZE) {
self->lock = PyThread_allocate_lock();
/* fail? lock = NULL and we fail over to non-threaded code. */
}
if (self->lock != NULL) {
Py_BEGIN_ALLOW_THREADS
PyThread_acquire_lock(self->lock, 1);
result = EVP_hash(self, view.buf, view.len);
PyThread_release_lock(self->lock);
Py_END_ALLOW_THREADS
} else {
result = EVP_hash(self, view.buf, view.len);
}
PyBuffer_Release(&view);
if (result == -1)
return NULL;
Py_RETURN_NONE;
}
static PyMethodDef EVP_methods[] = {
EVP_UPDATE_METHODDEF
EVP_DIGEST_METHODDEF
EVP_HEXDIGEST_METHODDEF
EVP_COPY_METHODDEF
{NULL, NULL} /* sentinel */
};
static PyObject *
EVP_get_block_size(EVPobject *self, void *closure)
{
long block_size;
block_size = EVP_MD_CTX_block_size(self->ctx);
return PyLong_FromLong(block_size);
}
static PyObject *
EVP_get_digest_size(EVPobject *self, void *closure)
{
long size;
size = EVP_MD_CTX_size(self->ctx);
return PyLong_FromLong(size);
}
static PyObject *
EVP_get_name(EVPobject *self, void *closure)
{
return py_digest_name(EVP_MD_CTX_md(self->ctx));
}
static PyGetSetDef EVP_getseters[] = {
{"digest_size",
(getter)EVP_get_digest_size, NULL,
NULL,
NULL},
{"block_size",
(getter)EVP_get_block_size, NULL,
NULL,
NULL},
{"name",
(getter)EVP_get_name, NULL,
NULL,
PyDoc_STR("algorithm name.")},
{NULL} /* Sentinel */
};
static PyObject *
EVP_repr(EVPobject *self)
{
PyObject *name_obj, *repr;
name_obj = py_digest_name(EVP_MD_CTX_md(self->ctx));
if (!name_obj) {
return NULL;
}
repr = PyUnicode_FromFormat("<%U %s object @ %p>",
name_obj, Py_TYPE(self)->tp_name, self);
Py_DECREF(name_obj);
return repr;
}
PyDoc_STRVAR(hashtype_doc,
"HASH(name, string=b\'\')\n"
"--\n"
"\n"
"A hash is an object used to calculate a checksum of a 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 hash object\n"
"\n"
"Attributes:\n"
"\n"
"name -- the hash algorithm being used by this object\n"
"digest_size -- number of bytes in this hashes output");
static PyType_Slot EVPtype_slots[] = {
{Py_tp_dealloc, EVP_dealloc},
{Py_tp_repr, EVP_repr},
{Py_tp_doc, (char *)hashtype_doc},
{Py_tp_methods, EVP_methods},
{Py_tp_getset, EVP_getseters},
{Py_tp_new, _disabled_new},
{0, 0},
};
static PyType_Spec EVPtype_spec = {
"_hashlib.HASH", /*tp_name*/
sizeof(EVPobject), /*tp_basicsize*/
0, /*tp_itemsize*/
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
EVPtype_slots
};
#ifdef PY_OPENSSL_HAS_SHAKE
/*[clinic input]
_hashlib.HASHXOF.digest as EVPXOF_digest
length: Py_ssize_t
Return the digest value as a bytes object.
[clinic start generated code]*/
static PyObject *
EVPXOF_digest_impl(EVPobject *self, Py_ssize_t length)
/*[clinic end generated code: output=ef9320c23280efad input=816a6537cea3d1db]*/
{
EVP_MD_CTX *temp_ctx;
PyObject *retval = PyBytes_FromStringAndSize(NULL, length);
if (retval == NULL) {
return NULL;
}
temp_ctx = EVP_MD_CTX_new();
if (temp_ctx == NULL) {
Py_DECREF(retval);
PyErr_NoMemory();
return NULL;
}
if (!locked_EVP_MD_CTX_copy(temp_ctx, self)) {
Py_DECREF(retval);
EVP_MD_CTX_free(temp_ctx);
return _setException(PyExc_ValueError);
}
if (!EVP_DigestFinalXOF(temp_ctx,
(unsigned char*)PyBytes_AS_STRING(retval),
length)) {
Py_DECREF(retval);
EVP_MD_CTX_free(temp_ctx);
_setException(PyExc_ValueError);
return NULL;
}
EVP_MD_CTX_free(temp_ctx);
return retval;
}
/*[clinic input]
_hashlib.HASHXOF.hexdigest as EVPXOF_hexdigest
length: Py_ssize_t
Return the digest value as a string of hexadecimal digits.
[clinic start generated code]*/
static PyObject *
EVPXOF_hexdigest_impl(EVPobject *self, Py_ssize_t length)
/*[clinic end generated code: output=eb3e6ee7788bf5b2 input=5f9d6a8f269e34df]*/
{
unsigned char *digest;
EVP_MD_CTX *temp_ctx;
PyObject *retval;
digest = (unsigned char*)PyMem_Malloc(length);
if (digest == NULL) {
PyErr_NoMemory();
return NULL;
}
temp_ctx = EVP_MD_CTX_new();
if (temp_ctx == NULL) {
PyMem_Free(digest);
PyErr_NoMemory();
return NULL;
}
/* Get the raw (binary) digest value */
if (!locked_EVP_MD_CTX_copy(temp_ctx, self)) {
PyMem_Free(digest);
EVP_MD_CTX_free(temp_ctx);
return _setException(PyExc_ValueError);
}
if (!EVP_DigestFinalXOF(temp_ctx, digest, length)) {
PyMem_Free(digest);
EVP_MD_CTX_free(temp_ctx);
_setException(PyExc_ValueError);
return NULL;
}
EVP_MD_CTX_free(temp_ctx);
retval = _Py_strhex((const char *)digest, length);
PyMem_Free(digest);
return retval;
}
static PyMethodDef EVPXOF_methods[] = {
EVPXOF_DIGEST_METHODDEF
EVPXOF_HEXDIGEST_METHODDEF
{NULL, NULL} /* sentinel */
};
static PyObject *
EVPXOF_get_digest_size(EVPobject *self, void *closure)
{
return PyLong_FromLong(0);
}
static PyGetSetDef EVPXOF_getseters[] = {
{"digest_size",
(getter)EVPXOF_get_digest_size, NULL,
NULL,
NULL},
{NULL} /* Sentinel */
};
PyDoc_STRVAR(hashxoftype_doc,
"HASHXOF(name, string=b\'\')\n"
"--\n"
"\n"
"A hash is an object used to calculate a checksum of a string of information.\n"
"\n"
"Methods:\n"
"\n"
"update() -- updates the current digest with an additional string\n"
"digest(length) -- return the current digest value\n"
"hexdigest(length) -- return the current digest as a string of hexadecimal digits\n"
"copy() -- return a copy of the current hash object\n"
"\n"
"Attributes:\n"
"\n"
"name -- the hash algorithm being used by this object\n"
"digest_size -- number of bytes in this hashes output");
static PyType_Slot EVPXOFtype_slots[] = {
{Py_tp_doc, (char *)hashxoftype_doc},
{Py_tp_methods, EVPXOF_methods},
{Py_tp_getset, EVPXOF_getseters},
{Py_tp_new, _disabled_new},
{0, 0},
};
static PyType_Spec EVPXOFtype_spec = {
"_hashlib.HASHXOF", /*tp_name*/
sizeof(EVPobject), /*tp_basicsize*/
0, /*tp_itemsize*/
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
EVPXOFtype_slots
};
#endif
static PyObject *
EVPnew(PyObject *module, const EVP_MD *digest,
const unsigned char *cp, Py_ssize_t len, int usedforsecurity)
{
int result = 0;
EVPobject *self;
PyTypeObject *type = get_hashlib_state(module)->EVPtype;
if (!digest) {
PyErr_SetString(PyExc_ValueError, "unsupported hash type");
return NULL;
}
#ifdef PY_OPENSSL_HAS_SHAKE
if ((EVP_MD_flags(digest) & EVP_MD_FLAG_XOF) == EVP_MD_FLAG_XOF) {
type = get_hashlib_state(module)->EVPXOFtype;
}
#endif
if ((self = newEVPobject(type)) == NULL)
return NULL;
if (!usedforsecurity) {
#ifdef EVP_MD_CTX_FLAG_NON_FIPS_ALLOW
EVP_MD_CTX_set_flags(self->ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
#endif
}
if (!EVP_DigestInit_ex(self->ctx, digest, NULL)) {
_setException(PyExc_ValueError);
Py_DECREF(self);
return NULL;
}
if (cp && len) {
if (len >= HASHLIB_GIL_MINSIZE) {
Py_BEGIN_ALLOW_THREADS
result = EVP_hash(self, cp, len);
Py_END_ALLOW_THREADS
} else {
result = EVP_hash(self, cp, len);
}
if (result == -1) {
Py_DECREF(self);
return NULL;
}
}
return (PyObject *)self;
}
/* The module-level function: new() */
/*[clinic input]
_hashlib.new as EVP_new
name as name_obj: object
string as data_obj: object(c_default="NULL") = b''
*
usedforsecurity: bool = True
Return a new hash object using the named algorithm.
An optional string argument may be provided and will be
automatically hashed.
The MD5 and SHA1 algorithms are always supported.
[clinic start generated code]*/
static PyObject *
EVP_new_impl(PyObject *module, PyObject *name_obj, PyObject *data_obj,
int usedforsecurity)
/*[clinic end generated code: output=ddd5053f92dffe90 input=c24554d0337be1b0]*/
{
Py_buffer view = { 0 };
PyObject *ret_obj;
char *name;
const EVP_MD *digest = NULL;
if (!PyArg_Parse(name_obj, "s", &name)) {
PyErr_SetString(PyExc_TypeError, "name must be a string");
return NULL;
}
if (data_obj)
GET_BUFFER_VIEW_OR_ERROUT(data_obj, &view);
digest = py_digest_by_name(name);
ret_obj = EVPnew(module, digest,
(unsigned char*)view.buf, view.len,
usedforsecurity);
if (data_obj)
PyBuffer_Release(&view);
return ret_obj;
}
static PyObject*
EVP_fast_new(PyObject *module, PyObject *data_obj, const EVP_MD *digest,
int usedforsecurity)
{
Py_buffer view = { 0 };
PyObject *ret_obj;
if (data_obj)
GET_BUFFER_VIEW_OR_ERROUT(data_obj, &view);
ret_obj = EVPnew(module, digest,
(unsigned char*)view.buf, view.len,
usedforsecurity);
if (data_obj)
PyBuffer_Release(&view);
return ret_obj;
}
/*[clinic input]
_hashlib.openssl_md5
string as data_obj: object(py_default="b''") = NULL
*
usedforsecurity: bool = True
Returns a md5 hash object; optionally initialized with a string
[clinic start generated code]*/
static PyObject *
_hashlib_openssl_md5_impl(PyObject *module, PyObject *data_obj,
int usedforsecurity)
/*[clinic end generated code: output=87b0186440a44f8c input=990e36d5e689b16e]*/
{
return EVP_fast_new(module, data_obj, EVP_md5(), usedforsecurity);
}
/*[clinic input]
_hashlib.openssl_sha1
string as data_obj: object(py_default="b''") = NULL
*
usedforsecurity: bool = True
Returns a sha1 hash object; optionally initialized with a string
[clinic start generated code]*/
static PyObject *
_hashlib_openssl_sha1_impl(PyObject *module, PyObject *data_obj,
int usedforsecurity)
/*[clinic end generated code: output=6813024cf690670d input=948f2f4b6deabc10]*/
{
return EVP_fast_new(module, data_obj, EVP_sha1(), usedforsecurity);
}
/*[clinic input]
_hashlib.openssl_sha224
string as data_obj: object(py_default="b''") = NULL
*
usedforsecurity: bool = True
Returns a sha224 hash object; optionally initialized with a string
[clinic start generated code]*/
static PyObject *
_hashlib_openssl_sha224_impl(PyObject *module, PyObject *data_obj,
int usedforsecurity)
/*[clinic end generated code: output=a2dfe7cc4eb14ebb input=f9272821fadca505]*/
{
return EVP_fast_new(module, data_obj, EVP_sha224(), usedforsecurity);
}
/*[clinic input]
_hashlib.openssl_sha256
string as data_obj: object(py_default="b''") = NULL
*
usedforsecurity: bool = True
Returns a sha256 hash object; optionally initialized with a string
[clinic start generated code]*/
static PyObject *
_hashlib_openssl_sha256_impl(PyObject *module, PyObject *data_obj,
int usedforsecurity)
/*[clinic end generated code: output=1f874a34870f0a68 input=549fad9d2930d4c5]*/
{
return EVP_fast_new(module, data_obj, EVP_sha256(), usedforsecurity);
}
/*[clinic input]
_hashlib.openssl_sha384
string as data_obj: object(py_default="b''") = NULL
*
usedforsecurity: bool = True
Returns a sha384 hash object; optionally initialized with a string
[clinic start generated code]*/
static PyObject *
_hashlib_openssl_sha384_impl(PyObject *module, PyObject *data_obj,
int usedforsecurity)
/*[clinic end generated code: output=58529eff9ca457b2 input=48601a6e3bf14ad7]*/
{
return EVP_fast_new(module, data_obj, EVP_sha384(), usedforsecurity);
}
/*[clinic input]
_hashlib.openssl_sha512
string as data_obj: object(py_default="b''") = NULL
*
usedforsecurity: bool = True
Returns a sha512 hash object; optionally initialized with a string
[clinic start generated code]*/
static PyObject *
_hashlib_openssl_sha512_impl(PyObject *module, PyObject *data_obj,
int usedforsecurity)
/*[clinic end generated code: output=2c744c9e4a40d5f6 input=c5c46a2a817aa98f]*/
{
return EVP_fast_new(module, data_obj, EVP_sha512(), usedforsecurity);
}
#ifdef PY_OPENSSL_HAS_SHA3
/*[clinic input]
_hashlib.openssl_sha3_224
string as data_obj: object(py_default="b''") = NULL
*
usedforsecurity: bool = True
Returns a sha3-224 hash object; optionally initialized with a string
[clinic start generated code]*/
static PyObject *
_hashlib_openssl_sha3_224_impl(PyObject *module, PyObject *data_obj,
int usedforsecurity)
/*[clinic end generated code: output=144641c1d144b974 input=e3a01b2888916157]*/
{
return EVP_fast_new(module, data_obj, EVP_sha3_224(), usedforsecurity);
}