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 "CryptoAlgorithmRSAES_PKCS1_v1_5.h"
28
29#if ENABLE(SUBTLE_CRYPTO)
30
31#include "CryptoAlgorithmRsaKeyGenParams.h"
32#include "CryptoKeyDataRSAComponents.h"
33#include "CryptoKeyRSA.h"
34#include "ExceptionCode.h"
35
36namespace WebCore {
37
38const char* const CryptoAlgorithmRSAES_PKCS1_v1_5::s_name = "RSAES-PKCS1-v1_5";
39
40CryptoAlgorithmRSAES_PKCS1_v1_5::CryptoAlgorithmRSAES_PKCS1_v1_5()
41{
42}
43
44CryptoAlgorithmRSAES_PKCS1_v1_5::~CryptoAlgorithmRSAES_PKCS1_v1_5()
45{
46}
47
48std::unique_ptr<CryptoAlgorithm> CryptoAlgorithmRSAES_PKCS1_v1_5::create()
49{
50    return std::unique_ptr<CryptoAlgorithm>(new CryptoAlgorithmRSAES_PKCS1_v1_5);
51}
52
53CryptoAlgorithmIdentifier CryptoAlgorithmRSAES_PKCS1_v1_5::identifier() const
54{
55    return s_identifier;
56}
57
58bool CryptoAlgorithmRSAES_PKCS1_v1_5::keyAlgorithmMatches(const CryptoKey& key) const
59{
60    if (key.algorithmIdentifier() != s_identifier)
61        return false;
62    ASSERT(isCryptoKeyRSA(key));
63
64    return true;
65}
66
67void CryptoAlgorithmRSAES_PKCS1_v1_5::encrypt(const CryptoAlgorithmParameters&, const CryptoKey& key, const CryptoOperationData& data, VectorCallback callback, VoidCallback failureCallback, ExceptionCode& ec)
68{
69    if (!keyAlgorithmMatches(key)) {
70        ec = NOT_SUPPORTED_ERR;
71        return;
72    }
73
74    platformEncrypt(toCryptoKeyRSA(key), data, WTF::move(callback), WTF::move(failureCallback), ec);
75}
76
77void CryptoAlgorithmRSAES_PKCS1_v1_5::decrypt(const CryptoAlgorithmParameters&, const CryptoKey& key, const CryptoOperationData& data, VectorCallback callback, VoidCallback failureCallback, ExceptionCode& ec)
78{
79    if (!keyAlgorithmMatches(key)) {
80        ec = NOT_SUPPORTED_ERR;
81        return;
82    }
83
84    platformDecrypt(toCryptoKeyRSA(key), data, WTF::move(callback), WTF::move(failureCallback), ec);
85}
86
87void CryptoAlgorithmRSAES_PKCS1_v1_5::generateKey(const CryptoAlgorithmParameters& parameters, bool extractable, CryptoKeyUsage usages, KeyOrKeyPairCallback callback, VoidCallback failureCallback, ExceptionCode&)
88{
89    const CryptoAlgorithmRsaKeyGenParams& rsaParameters = toCryptoAlgorithmRsaKeyGenParams(parameters);
90
91    auto keyPairCallback = [callback](CryptoKeyPair& pair) {
92        callback(nullptr, &pair);
93    };
94
95    CryptoKeyRSA::generatePair(CryptoAlgorithmIdentifier::RSAES_PKCS1_v1_5, rsaParameters.modulusLength, rsaParameters.publicExponent, extractable, usages, WTF::move(keyPairCallback), WTF::move(failureCallback));
96}
97
98void CryptoAlgorithmRSAES_PKCS1_v1_5::importKey(const CryptoAlgorithmParameters&, const CryptoKeyData& keyData, bool extractable, CryptoKeyUsage usage, KeyCallback callback, VoidCallback failureCallback, ExceptionCode&)
99{
100    const CryptoKeyDataRSAComponents& rsaComponents = toCryptoKeyDataRSAComponents(keyData);
101
102    RefPtr<CryptoKeyRSA> result = CryptoKeyRSA::create(CryptoAlgorithmIdentifier::RSAES_PKCS1_v1_5, rsaComponents, extractable, usage);
103    if (!result) {
104        failureCallback();
105        return;
106    }
107
108    callback(*result);
109}
110
111}
112
113#endif // ENABLE(SUBTLE_CRYPTO)
114