1/*
2 * Copyright (C) 2013 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#include "config.h"
27#include "CryptoKey.h"
28
29#if ENABLE(WEB_CRYPTO)
30
31#include "CryptoAlgorithmRegistry.h"
32#include <wtf/CryptographicallyRandomNumber.h>
33
34namespace WebCore {
35
36CryptoKey::CryptoKey(CryptoAlgorithmIdentifier algorithmIdentifier, Type type, bool extractable, CryptoKeyUsageBitmap usages)
37 : m_algorithmIdentifier(algorithmIdentifier)
38 , m_type(type)
39 , m_extractable(extractable)
40 , m_usages(usages)
41{
42}
43
44CryptoKey::~CryptoKey() = default;
45
46auto CryptoKey::usages() const -> Vector<CryptoKeyUsage>
47{
48 // The result is ordered alphabetically.
49 Vector<CryptoKeyUsage> result;
50 if (m_usages & CryptoKeyUsageDecrypt)
51 result.append(CryptoKeyUsage::Decrypt);
52 if (m_usages & CryptoKeyUsageDeriveBits)
53 result.append(CryptoKeyUsage::DeriveBits);
54 if (m_usages & CryptoKeyUsageDeriveKey)
55 result.append(CryptoKeyUsage::DeriveKey);
56 if (m_usages & CryptoKeyUsageEncrypt)
57 result.append(CryptoKeyUsage::Encrypt);
58 if (m_usages & CryptoKeyUsageSign)
59 result.append(CryptoKeyUsage::Sign);
60 if (m_usages & CryptoKeyUsageUnwrapKey)
61 result.append(CryptoKeyUsage::UnwrapKey);
62 if (m_usages & CryptoKeyUsageVerify)
63 result.append(CryptoKeyUsage::Verify);
64 if (m_usages & CryptoKeyUsageWrapKey)
65 result.append(CryptoKeyUsage::WrapKey);
66 return result;
67}
68
69#if !OS(DARWIN) || PLATFORM(GTK)
70Vector<uint8_t> CryptoKey::randomData(size_t size)
71{
72 Vector<uint8_t> result(size);
73 cryptographicallyRandomValues(result.data(), result.size());
74 return result;
75}
76#endif
77
78} // namespace WebCore
79
80#endif // ENABLE(WEB_CRYPTO)
81