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. 4 5 #include "base/rand_util.h" 6 7 #include <nacl/nacl_random.h> 8 #include <stddef.h> 9 #include <stdint.h> 10 11 #include "base/check_op.h" 12 13 namespace base { 14 RandBytes(void * output,size_t output_length)15void RandBytes(void* output, size_t output_length) { 16 char* output_ptr = static_cast<char*>(output); 17 while (output_length > 0) { 18 size_t nread; 19 const int error = nacl_secure_random(output_ptr, output_length, &nread); 20 CHECK_EQ(error, 0); 21 CHECK_LE(nread, output_length); 22 output_ptr += nread; 23 output_length -= nread; 24 } 25 } 26 27 } // namespace base 28