bernsteinbear.com
this repo has no description
1// Copyright (c) Facebook, Inc. and its affiliates. (http://www.facebook.com)
2#include "cpython-data.h"
3#include "cpython-func.h"
4#include "cpython-types.h"
5
6#include "os.h"
7#include "runtime.h"
8
9namespace py {
10
11PY_EXPORT int _PyOS_URandom(void* buffer, Py_ssize_t size) {
12 // TODO(T41026101): use an interface that trades off not blocking for a
13 // potentially higher quality source of random bytes.
14 return _PyOS_URandomNonblock(buffer, size);
15}
16
17PY_EXPORT int _PyOS_URandomNonblock(void* buffer, Py_ssize_t size) {
18 if (size < 0) {
19 Thread::current()->raiseWithFmt(LayoutId::kValueError,
20 "negative argument not allowed");
21 return -1;
22 }
23 bool success = OS::secureRandom(static_cast<byte*>(buffer), size);
24 return success ? 0 : -1;
25}
26
27} // namespace py