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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/child/webcrypto/algorithm_dispatch.h" | 5 #include "content/child/webcrypto/algorithm_dispatch.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "content/child/webcrypto/algorithm_implementation.h" | 8 #include "content/child/webcrypto/algorithm_implementation.h" |
9 #include "content/child/webcrypto/algorithm_registry.h" | 9 #include "content/child/webcrypto/algorithm_registry.h" |
10 #include "content/child/webcrypto/crypto_data.h" | 10 #include "content/child/webcrypto/crypto_data.h" |
11 #include "content/child/webcrypto/generate_key_result.h" | |
11 #include "content/child/webcrypto/platform_crypto.h" | 12 #include "content/child/webcrypto/platform_crypto.h" |
12 #include "content/child/webcrypto/status.h" | 13 #include "content/child/webcrypto/status.h" |
13 #include "content/child/webcrypto/webcrypto_util.h" | 14 #include "content/child/webcrypto/webcrypto_util.h" |
14 #include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h" | 15 #include "third_party/WebKit/public/platform/WebCryptoKeyAlgorithm.h" |
15 | 16 |
16 namespace content { | 17 namespace content { |
17 | 18 |
18 namespace webcrypto { | 19 namespace webcrypto { |
19 | 20 |
20 namespace { | 21 namespace { |
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104 | 105 |
105 Status GenerateKey(const blink::WebCryptoAlgorithm& algorithm, | 106 Status GenerateKey(const blink::WebCryptoAlgorithm& algorithm, |
106 bool extractable, | 107 bool extractable, |
107 blink::WebCryptoKeyUsageMask usages, | 108 blink::WebCryptoKeyUsageMask usages, |
108 GenerateKeyResult* result) { | 109 GenerateKeyResult* result) { |
109 const AlgorithmImplementation* impl = NULL; | 110 const AlgorithmImplementation* impl = NULL; |
110 Status status = GetAlgorithmImplementation(algorithm.id(), &impl); | 111 Status status = GetAlgorithmImplementation(algorithm.id(), &impl); |
111 if (status.IsError()) | 112 if (status.IsError()) |
112 return status; | 113 return status; |
113 | 114 |
114 return impl->GenerateKey(algorithm, extractable, usages, result); | 115 status = impl->GenerateKey(algorithm, extractable, usages, result); |
116 if (status.IsError()) | |
117 return status; | |
118 | |
119 const blink::WebCryptoKey* key = NULL; | |
120 if (result->type() == GenerateKeyResult::TYPE_SECRET_KEY) | |
121 key = &result->secret_key(); | |
122 if (result->type() == GenerateKeyResult::TYPE_PUBLIC_PRIVATE_KEY_PAIR) | |
123 key = &result->private_key(); | |
124 if (key == NULL) | |
125 return Status::ErrorUnexpected(); | |
126 | |
127 // This should only fail if an algorithm is implemented incorrectly and | |
128 // does not do its own check of the usages. | |
129 if (key->usages() == 0) { | |
130 DCHECK(false) << "Key usages for generateKey() must not be empty"; | |
131 | |
132 // Even though this is unexpected, I chose not to use | |
eroman
2014/12/05 23:49:48
Remove this comment. "I" will become unclear over
nharper
2014/12/05 23:58:08
Done.
| |
133 // Status::ErrorUnexpected() so that we can present a better error to the | |
134 // user. | |
135 // TODO(nharper): This should be instrumented with http://crbug.com/428806 | |
136 return Status::ErrorCreateKeyEmptyUsages(); | |
137 } | |
138 return status; | |
115 } | 139 } |
116 | 140 |
117 Status ImportKey(blink::WebCryptoKeyFormat format, | 141 Status ImportKey(blink::WebCryptoKeyFormat format, |
118 const CryptoData& key_data, | 142 const CryptoData& key_data, |
119 const blink::WebCryptoAlgorithm& algorithm, | 143 const blink::WebCryptoAlgorithm& algorithm, |
120 bool extractable, | 144 bool extractable, |
121 blink::WebCryptoKeyUsageMask usages, | 145 blink::WebCryptoKeyUsageMask usages, |
122 blink::WebCryptoKey* key) { | 146 blink::WebCryptoKey* key) { |
123 const AlgorithmImplementation* impl = NULL; | 147 const AlgorithmImplementation* impl = NULL; |
124 Status status = GetAlgorithmImplementation(algorithm.id(), &impl); | 148 Status status = GetAlgorithmImplementation(algorithm.id(), &impl); |
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288 return false; | 312 return false; |
289 | 313 |
290 status = impl->DeserializeKeyForClone(algorithm, type, extractable, usages, | 314 status = impl->DeserializeKeyForClone(algorithm, type, extractable, usages, |
291 key_data, key); | 315 key_data, key); |
292 return status.IsSuccess(); | 316 return status.IsSuccess(); |
293 } | 317 } |
294 | 318 |
295 } // namespace webcrypto | 319 } // namespace webcrypto |
296 | 320 |
297 } // namespace content | 321 } // namespace content |
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