1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "base/rand_util.h"
7 #include "base/basictypes.h"
8 #include "base/lazy_instance.h"
9 #include "base/logging.h"
10 #include "native_client/src/untrusted/irt/irt.h"
17 size_t result = nacl_interface_query(NACL_IRT_RANDOM_v0_1,
18 &random_, sizeof(random_));
19 CHECK_EQ(result, sizeof(random_));
25 void GetRandomBytes(char* buffer, uint32_t num_bytes) {
26 while (num_bytes > 0) {
28 int error = random_.get_random_bytes(buffer, num_bytes, &nread);
30 CHECK_LE(nread, num_bytes);
37 nacl_irt_random random_;
40 base::LazyInstance<NaclRandom>::Leaky g_nacl_random = LAZY_INSTANCE_INITIALIZER;
48 g_nacl_random.Pointer()->GetRandomBytes(
49 reinterpret_cast<char*>(&result), sizeof(result));