blob: e7ade0a65b725cc54dd387b7dc69caca4feb6056 [file] [log] [blame] [edit]
// Copyright (c) 2009-2010 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "secure_blob.h"
namespace cryptohome {
SecureBlob::SecureBlob()
: chromeos::Blob() {
}
SecureBlob::SecureBlob(chromeos::Blob::const_iterator begin,
chromeos::Blob::const_iterator end)
: chromeos::Blob(begin, end) {
}
SecureBlob::SecureBlob(int size)
: chromeos::Blob(size) {
}
SecureBlob::SecureBlob(const unsigned char* from, int from_length)
: chromeos::Blob(from_length) {
memcpy(data(), from, from_length);
}
SecureBlob::SecureBlob(const char* from, int from_length)
: chromeos::Blob(from_length) {
memcpy(data(), from, from_length);
}
SecureBlob::~SecureBlob() {
chromeos::SecureMemset(&this->front(), 0, this->capacity());
}
void SecureBlob::resize(size_type sz) {
if(sz < size()) {
chromeos::SecureMemset(&this->at(sz), 0, size() - sz);
}
chromeos::Blob::resize(sz);
}
void SecureBlob::resize(size_type sz, const SecureBlobElement& x) {
if(sz < size()) {
chromeos::SecureMemset(&this->at(sz), 0, size() - sz);
}
chromeos::Blob::resize(sz, x);
}
void SecureBlob::clear_contents() {
chromeos::SecureMemset(this->data(), 0, size());
}
void* SecureBlob::data() {
return &(this->front());
}
const void* SecureBlob::const_data() const {
return &(this->front());
}
} // namespace cryptohome