/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 */

#include "config.h"
#include "modules/crypto/AesCtrParams.h"

#include "public/platform/WebCryptoAlgorithmParams.h"

namespace WebCore {

Uint8Array* AesCtrParams::counter()
{
    if (!m_counter) {
        const blink::WebVector<unsigned char>& counter = m_algorithm.aesCtrParams()->counter();
        m_counter = Uint8Array::create(counter.data(), counter.size());
    }
    return m_counter.get();
}

unsigned char AesCtrParams::length()
{
    return m_algorithm.aesCtrParams()->lengthBits();
}

AesCtrParams::AesCtrParams(const blink::WebCryptoAlgorithm& algorithm)
    : Algorithm(algorithm)
{
    ASSERT(algorithm.aesCtrParams());
    ScriptWrappable::init(this);
}

} // namespace WebCore