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1 /* | |
2 * Copyright (C) 2013 Google 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 are | |
6 * met: | |
7 * | |
8 * * Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * * Redistributions in binary form must reproduce the above | |
11 * copyright notice, this list of conditions and the following disclaimer | |
12 * in the documentation and/or other materials provided with the | |
13 * distribution. | |
14 * * Neither the name of Google Inc. nor the names of its | |
15 * contributors may be used to endorse or promote products derived from | |
16 * this software without specific prior written permission. | |
17 * | |
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 */ | |
30 | |
31 #include "config.h" | |
32 #include "modules/crypto/Key.h" | |
33 | |
34 #include "modules/crypto/Algorithm.h" | |
35 | |
36 namespace WebCore { | |
37 | |
38 namespace { | |
39 | |
40 const char* keyTypeToString(WebKit::WebCryptoKeyType type) | |
41 { | |
42 switch (type) { | |
43 case WebKit::WebCryptoKeyTypeSecret: | |
44 return "secret"; | |
45 case WebKit::WebCryptoKeyTypePublic: | |
46 return "public"; | |
47 case WebKit::WebCryptoKeyTypePrivate: | |
48 return "private"; | |
49 } | |
50 ASSERT_NOT_REACHED(); | |
51 return 0; | |
52 } | |
53 | |
54 const char* keyUsageToString(WebKit::WebCryptoKeyUsage usage) | |
55 { | |
56 switch (usage) { | |
57 case WebKit::WebCryptoKeyUsageEncrypt: | |
58 return "encrypt"; | |
59 case WebKit::WebCryptoKeyUsageDecrypt: | |
60 return "decrypt"; | |
61 case WebKit::WebCryptoKeyUsageSign: | |
62 return "sign"; | |
63 case WebKit::WebCryptoKeyUsageVerify: | |
64 return "verify"; | |
65 case WebKit::WebCryptoKeyUsageDerive: | |
66 return "derive"; | |
67 case WebKit::WebCryptoKeyUsageWrap: | |
68 return "wrap"; | |
69 case WebKit::WebCryptoKeyUsageUnwrap: | |
70 return "unwrap"; | |
71 } | |
72 return 0; | |
abarth-chromium
2013/07/03 18:01:41
ASSERT_NOT_REACHED();
eroman
2013/07/03 19:18:06
I am in fact relying on the 0 case here:
<long_wi
| |
73 } | |
74 | |
75 } // namespace | |
76 | |
77 Key::Key(const WebKit::WebCryptoKey& key) | |
78 : m_key(key) | |
79 { | |
80 ScriptWrappable::init(this); | |
81 } | |
82 | |
83 String Key::type() const | |
84 { | |
85 return ASCIILiteral(keyTypeToString(m_key.type())); | |
86 } | |
87 | |
88 bool Key::extractable() const | |
89 { | |
90 return m_key.extractable(); | |
91 } | |
92 | |
93 Algorithm* Key::algorithm() | |
94 { | |
95 if (!m_algorithm) | |
96 m_algorithm = Algorithm::create(m_key.algorithm()); | |
97 return m_algorithm.get(); | |
98 } | |
99 | |
100 Vector<String> Key::keyUsage() const | |
101 { | |
102 Vector<String> v; | |
abarth-chromium
2013/07/03 18:01:41
v -> result
Please use complete words in variable
eroman
2013/07/03 19:18:06
Done.
| |
103 | |
104 // The WebCryptoKeyUsage values are consecutive powers of 2. Test each one i n order. | |
105 for (int i = 0; ; ++i) { | |
106 // Note that this won't be a valid WebCryptoKeyUsage during the last ite ration. | |
107 WebKit::WebCryptoKeyUsage usage = static_cast<WebKit::WebCryptoKeyUsage> (1 << i); | |
108 const char* usageString = keyUsageToString(usage); | |
109 if (!usageString) | |
110 break; | |
111 | |
112 if (m_key.keyUsage() & usage) | |
113 v.append(ASCIILiteral(usageString)); | |
114 } | |
115 return v; | |
116 } | |
117 | |
118 } // namespace WebCore | |
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