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#ifndef CryptoKeyRSA_h
27#define CryptoKeyRSA_h
28
29#include "CryptoKey.h"
30#include <functional>
31
32#if ENABLE(SUBTLE_CRYPTO)
33
34#if OS(DARWIN) && !PLATFORM(EFL) && !PLATFORM(GTK)
35typedef struct _CCRSACryptor *CCRSACryptorRef;
36typedef CCRSACryptorRef PlatformRSAKey;
37#endif
38
39namespace WebCore {
40
41class CryptoKeyDataRSAComponents;
42class CryptoKeyPair;
43class PromiseWrapper;
44
45class CryptoKeyRSA final : public CryptoKey {
46public:
47    static PassRefPtr<CryptoKeyRSA> create(CryptoAlgorithmIdentifier identifier, CryptoKeyType type, PlatformRSAKey platformKey, bool extractable, CryptoKeyUsage usage)
48    {
49        return adoptRef(new CryptoKeyRSA(identifier, type, platformKey, extractable, usage));
50    }
51    static PassRefPtr<CryptoKeyRSA> create(CryptoAlgorithmIdentifier, const CryptoKeyDataRSAComponents&, bool extractable, CryptoKeyUsage);
52    virtual ~CryptoKeyRSA();
53
54    void restrictToHash(CryptoAlgorithmIdentifier);
55    bool isRestrictedToHash(CryptoAlgorithmIdentifier&) const;
56
57    size_t keySizeInBits() const;
58
59    typedef std::function<void(CryptoKeyPair&)> KeyPairCallback;
60    typedef std::function<void()> VoidCallback;
61    static void generatePair(CryptoAlgorithmIdentifier, unsigned modulusLength, const Vector<uint8_t>& publicExponent, bool extractable, CryptoKeyUsage, KeyPairCallback, VoidCallback failureCallback);
62
63    PlatformRSAKey platformKey() const { return m_platformKey; }
64
65private:
66    CryptoKeyRSA(CryptoAlgorithmIdentifier, CryptoKeyType, PlatformRSAKey, bool extractable, CryptoKeyUsage);
67
68    virtual CryptoKeyClass keyClass() const override { return CryptoKeyClass::RSA; }
69
70    virtual void buildAlgorithmDescription(CryptoAlgorithmDescriptionBuilder&) const override;
71    virtual std::unique_ptr<CryptoKeyData> exportData() const override;
72
73    PlatformRSAKey m_platformKey;
74
75    bool m_restrictedToSpecificHash;
76    CryptoAlgorithmIdentifier m_hash;
77};
78
79inline bool isCryptoKeyRSA(const CryptoKey& key)
80{
81    return key.keyClass() == CryptoKeyClass::RSA;
82}
83
84CRYPTO_KEY_TYPE_CASTS(CryptoKeyRSA)
85
86} // namespace WebCore
87
88#endif // ENABLE(SUBTLE_CRYPTO)
89#endif // CryptoKeyRSA_h
90