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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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46 return "public"; | 46 return "public"; |
47 case WebKit::WebCryptoKeyTypePrivate: | 47 case WebKit::WebCryptoKeyTypePrivate: |
48 return "private"; | 48 return "private"; |
49 } | 49 } |
50 ASSERT_NOT_REACHED(); | 50 ASSERT_NOT_REACHED(); |
51 return 0; | 51 return 0; |
52 } | 52 } |
53 | 53 |
54 const char* keyUsageToString(WebKit::WebCryptoKeyUsage usage) | 54 const char* keyUsageToString(WebKit::WebCryptoKeyUsage usage) |
55 { | 55 { |
56 // NOTE: Keep this in sync with keyUsageStringToMask() below. | |
abarth-chromium
2013/07/23 21:45:49
IMHO, a table would be more maintainable here, but
eroman
2013/07/23 23:29:02
Done.
| |
56 switch (usage) { | 57 switch (usage) { |
57 case WebKit::WebCryptoKeyUsageEncrypt: | 58 case WebKit::WebCryptoKeyUsageEncrypt: |
58 return "encrypt"; | 59 return "encrypt"; |
59 case WebKit::WebCryptoKeyUsageDecrypt: | 60 case WebKit::WebCryptoKeyUsageDecrypt: |
60 return "decrypt"; | 61 return "decrypt"; |
61 case WebKit::WebCryptoKeyUsageSign: | 62 case WebKit::WebCryptoKeyUsageSign: |
62 return "sign"; | 63 return "sign"; |
63 case WebKit::WebCryptoKeyUsageVerify: | 64 case WebKit::WebCryptoKeyUsageVerify: |
64 return "verify"; | 65 return "verify"; |
65 case WebKit::WebCryptoKeyUsageDeriveKey: | 66 case WebKit::WebCryptoKeyUsageDeriveKey: |
66 return "deriveKey"; | 67 return "deriveKey"; |
67 case WebKit::WebCryptoKeyUsageWrapKey: | 68 case WebKit::WebCryptoKeyUsageWrapKey: |
68 return "wrapKey"; | 69 return "wrapKey"; |
69 case WebKit::WebCryptoKeyUsageUnwrapKey: | 70 case WebKit::WebCryptoKeyUsageUnwrapKey: |
70 return "unwrapKey"; | 71 return "unwrapKey"; |
71 case WebKit::EndOfWebCryptoKeyUsage: | 72 case WebKit::EndOfWebCryptoKeyUsage: |
72 break; | 73 break; |
73 } | 74 } |
74 ASSERT_NOT_REACHED(); | 75 ASSERT_NOT_REACHED(); |
75 return 0; | 76 return 0; |
76 } | 77 } |
77 | 78 |
79 WebKit::WebCryptoKeyUsageMask keyUsageStringToMask(const String& usageString) | |
80 { | |
81 // There are few enough values that testing serially is fast enough. | |
82 if (usageString == "encrypt") | |
83 return WebKit::WebCryptoKeyUsageEncrypt; | |
84 if (usageString == "decrypt") | |
85 return WebKit::WebCryptoKeyUsageDecrypt; | |
86 if (usageString == "sign") | |
87 return WebKit::WebCryptoKeyUsageSign; | |
88 if (usageString == "verify") | |
89 return WebKit::WebCryptoKeyUsageVerify; | |
90 if (usageString == "deriveKey") | |
91 return WebKit::WebCryptoKeyUsageDeriveKey; | |
92 if (usageString == "wrapKey") | |
93 return WebKit::WebCryptoKeyUsageWrapKey; | |
94 if (usageString == "unwrapKey") | |
95 return WebKit::WebCryptoKeyUsageUnwrapKey; | |
96 | |
97 return 0; | |
98 } | |
99 | |
78 } // namespace | 100 } // namespace |
79 | 101 |
102 Key::~Key() | |
103 { | |
104 } | |
105 | |
80 Key::Key(const WebKit::WebCryptoKey& key) | 106 Key::Key(const WebKit::WebCryptoKey& key) |
81 : m_key(key) | 107 : m_key(key) |
82 { | 108 { |
83 ScriptWrappable::init(this); | 109 ScriptWrappable::init(this); |
84 } | 110 } |
85 | 111 |
86 String Key::type() const | 112 String Key::type() const |
87 { | 113 { |
88 return ASCIILiteral(keyTypeToString(m_key.type())); | 114 return ASCIILiteral(keyTypeToString(m_key.type())); |
89 } | 115 } |
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110 | 136 |
111 // The WebCryptoKeyUsage values are consecutive powers of 2. Test each one i n order. | 137 // The WebCryptoKeyUsage values are consecutive powers of 2. Test each one i n order. |
112 for (int i = 0; (1 << i) < WebKit::EndOfWebCryptoKeyUsage; ++i) { | 138 for (int i = 0; (1 << i) < WebKit::EndOfWebCryptoKeyUsage; ++i) { |
113 WebKit::WebCryptoKeyUsage usage = static_cast<WebKit::WebCryptoKeyUsage> (1 << i); | 139 WebKit::WebCryptoKeyUsage usage = static_cast<WebKit::WebCryptoKeyUsage> (1 << i); |
114 if (m_key.usages() & usage) | 140 if (m_key.usages() & usage) |
115 result.append(ASCIILiteral(keyUsageToString(usage))); | 141 result.append(ASCIILiteral(keyUsageToString(usage))); |
116 } | 142 } |
117 return result; | 143 return result; |
118 } | 144 } |
119 | 145 |
146 bool Key::parseFormat(const String& formatString, WebKit::WebCryptoKeyFormat& fo rmat) | |
147 { | |
148 // There are few enough values that testing serially is fast enough. | |
149 if (formatString == "raw") { | |
150 format = WebKit::WebCryptoKeyFormatRaw; | |
151 return true; | |
152 } | |
153 if (formatString == "pkcs8") { | |
154 format = WebKit::WebCryptoKeyFormatPkcs8; | |
155 return true; | |
156 } | |
157 if (formatString == "spki") { | |
158 format = WebKit::WebCryptoKeyFormatSpki; | |
159 return true; | |
160 } | |
161 if (formatString == "jwk") { | |
162 format = WebKit::WebCryptoKeyFormatJwk; | |
163 return true; | |
164 } | |
165 | |
166 return false; | |
167 } | |
168 | |
169 bool Key::parseUsageMask(const Vector<String>& usages, WebKit::WebCryptoKeyUsage Mask& mask) | |
170 { | |
171 mask = 0; | |
172 for (size_t i = 0; i < usages.size(); ++i) { | |
173 WebKit::WebCryptoKeyUsageMask usage = keyUsageStringToMask(usages[i]); | |
174 if (!usage) | |
175 return false; | |
176 mask |= usage; | |
177 } | |
178 return true; | |
179 } | |
180 | |
120 } // namespace WebCore | 181 } // namespace WebCore |
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