1/*
2 * Copyright (C) 2016 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "BufferSource.h"
29#include "CryptoAlgorithmParameters.h"
30#include <wtf/Vector.h>
31
32#if ENABLE(WEB_CRYPTO)
33
34namespace WebCore {
35
36class CryptoAlgorithmRsaOaepParams final : public CryptoAlgorithmParameters {
37public:
38 // Use labelVector() instead of label. The label will be gone once labelVector() is called.
39 mutable Optional<BufferSource::VariantType> label;
40
41 Class parametersClass() const final { return Class::RsaOaepParams; }
42
43 const Vector<uint8_t>& labelVector() const
44 {
45 if (!m_labelVector.isEmpty() || !label)
46 return m_labelVector;
47
48 BufferSource labelBuffer = WTFMove(*label);
49 label = WTF::nullopt;
50 if (!labelBuffer.length())
51 return m_labelVector;
52
53 m_labelVector.append(labelBuffer.data(), labelBuffer.length());
54 return m_labelVector;
55 }
56
57 CryptoAlgorithmRsaOaepParams isolatedCopy() const
58 {
59 CryptoAlgorithmRsaOaepParams result;
60 result.identifier = identifier;
61 result.m_labelVector = labelVector();
62
63 return result;
64 }
65
66private:
67 mutable Vector<uint8_t> m_labelVector;
68};
69
70} // namespace WebCore
71
72SPECIALIZE_TYPE_TRAITS_CRYPTO_ALGORITHM_PARAMETERS(RsaOaepParams)
73
74#endif // ENABLE(WEB_CRYPTO)
75