Files
media_cas_packager_sdk_source/common/random_util.cc
2018-10-01 14:59:29 -07:00

28 lines
796 B
C++

////////////////////////////////////////////////////////////////////////////////
// Copyright 2016 Google LLC.
//
// This software is licensed under the terms defined in the Widevine Master
// License Agreement. For a copy of this agreement, please contact
// widevine-licensing@google.com.
////////////////////////////////////////////////////////////////////////////////
#include "common/random_util.h"
#include "glog/logging.h"
#include "openssl/rand.h"
namespace widevine {
bool RandomBytes(size_t num_bytes, std::string* output) {
DCHECK(output);
output->resize(num_bytes);
return RAND_bytes(reinterpret_cast<uint8_t*>(&(*output)[0]), num_bytes);
}
std::string Random16Bytes() {
std::string output;
CHECK(RandomBytes(16u, &output));
return output;
}
} // namespace widevine