1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/*
* 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,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef WebCryptoAlgorithm_h
#define WebCryptoAlgorithm_h
#include "WebCommon.h"
#include "WebPrivatePtr.h"
#if INSIDE_BLINK
#include "wtf/PassOwnPtr.h"
#endif
namespace blink {
enum WebCryptoAlgorithmId {
WebCryptoAlgorithmIdAesCbc,
WebCryptoAlgorithmIdHmac,
WebCryptoAlgorithmIdRsaSsaPkcs1v1_5,
WebCryptoAlgorithmIdRsaEsPkcs1v1_5,
WebCryptoAlgorithmIdSha1,
WebCryptoAlgorithmIdSha224,
WebCryptoAlgorithmIdSha256,
WebCryptoAlgorithmIdSha384,
WebCryptoAlgorithmIdSha512,
WebCryptoAlgorithmIdAesGcm,
WebCryptoAlgorithmIdRsaOaep,
WebCryptoAlgorithmIdAesCtr,
WebCryptoAlgorithmIdAesKw,
#if INSIDE_BLINK
NumberOfWebCryptoAlgorithmId,
#endif
};
enum WebCryptoAlgorithmParamsType {
WebCryptoAlgorithmParamsTypeNone,
WebCryptoAlgorithmParamsTypeAesCbcParams,
WebCryptoAlgorithmParamsTypeAesKeyGenParams,
WebCryptoAlgorithmParamsTypeHmacParams,
WebCryptoAlgorithmParamsTypeHmacKeyParams,
WebCryptoAlgorithmParamsTypeRsaSsaParams,
WebCryptoAlgorithmParamsTypeRsaKeyGenParams,
WebCryptoAlgorithmParamsTypeAesGcmParams,
WebCryptoAlgorithmParamsTypeRsaOaepParams,
WebCryptoAlgorithmParamsTypeAesCtrParams,
};
class WebCryptoAesCbcParams;
class WebCryptoAesKeyGenParams;
class WebCryptoHmacParams;
class WebCryptoHmacKeyParams;
class WebCryptoRsaSsaParams;
class WebCryptoRsaKeyGenParams;
class WebCryptoAesGcmParams;
class WebCryptoRsaOaepParams;
class WebCryptoAesCtrParams;
class WebCryptoAlgorithmParams;
class WebCryptoAlgorithmPrivate;
// The WebCryptoAlgorithm represents a normalized algorithm and its parameters.
// * Immutable
// * Threadsafe
// * Copiable (cheaply)
//
// If WebCryptoAlgorithm "isNull()" then it is invalid to call any of the other
// methods on it (other than destruction, assignment, or isNull()).
class WebCryptoAlgorithm {
public:
#if INSIDE_BLINK
WebCryptoAlgorithm() { }
BLINK_PLATFORM_EXPORT WebCryptoAlgorithm(WebCryptoAlgorithmId, PassOwnPtr<WebCryptoAlgorithmParams>);
#endif
BLINK_PLATFORM_EXPORT static WebCryptoAlgorithm createNull();
BLINK_PLATFORM_EXPORT static WebCryptoAlgorithm adoptParamsAndCreate(WebCryptoAlgorithmId, WebCryptoAlgorithmParams*);
~WebCryptoAlgorithm() { reset(); }
WebCryptoAlgorithm(const WebCryptoAlgorithm& other) { assign(other); }
WebCryptoAlgorithm& operator=(const WebCryptoAlgorithm& other)
{
assign(other);
return *this;
}
BLINK_PLATFORM_EXPORT bool isNull() const;
BLINK_PLATFORM_EXPORT WebCryptoAlgorithmId id() const;
BLINK_PLATFORM_EXPORT WebCryptoAlgorithmParamsType paramsType() const;
// Retrieves the type-specific parameters. The algorithm contains at most 1
// type of parameters. Retrieving an invalid parameter will return 0.
BLINK_PLATFORM_EXPORT const WebCryptoAesCbcParams* aesCbcParams() const;
BLINK_PLATFORM_EXPORT const WebCryptoAesKeyGenParams* aesKeyGenParams() const;
BLINK_PLATFORM_EXPORT const WebCryptoHmacParams* hmacParams() const;
BLINK_PLATFORM_EXPORT const WebCryptoHmacKeyParams* hmacKeyParams() const;
BLINK_PLATFORM_EXPORT const WebCryptoRsaSsaParams* rsaSsaParams() const;
BLINK_PLATFORM_EXPORT const WebCryptoRsaKeyGenParams* rsaKeyGenParams() const;
BLINK_PLATFORM_EXPORT const WebCryptoAesGcmParams* aesGcmParams() const;
BLINK_PLATFORM_EXPORT const WebCryptoRsaOaepParams* rsaOaepParams() const;
BLINK_PLATFORM_EXPORT const WebCryptoAesCtrParams* aesCtrParams() const;
private:
BLINK_PLATFORM_EXPORT void assign(const WebCryptoAlgorithm& other);
BLINK_PLATFORM_EXPORT void reset();
WebPrivatePtr<WebCryptoAlgorithmPrivate> m_private;
};
} // namespace blink
#endif
|
