webcrypto: Add ECDSA algorithm (chromium-side)

content/child/webcrypto/structured_clone.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/child/webcrypto/structured_clone.h"
 
 #include "base/logging.h"
 #include "content/child/webcrypto/algorithm_dispatch.h"
 #include "content/child/webcrypto/platform_crypto.h"
 #include "content/child/webcrypto/status.h"
@@ skipping 26 matching lines @@
 blink::WebCryptoAlgorithm KeyAlgorithmToImportAlgorithm(
     const blink::WebCryptoKeyAlgorithm& algorithm) {
   switch (algorithm.paramsType()) {
     case blink::WebCryptoKeyAlgorithmParamsTypeAes:
       return CreateAlgorithm(algorithm.id());
     case blink::WebCryptoKeyAlgorithmParamsTypeHmac:
       return CreateHmacImportAlgorithm(algorithm.hmacParams()->hash().id());
     case blink::WebCryptoKeyAlgorithmParamsTypeRsaHashed:
       return CreateRsaHashedImportAlgorithm(
           algorithm.id(), algorithm.rsaHashedParams()->hash().id());
+    case blink::WebCryptoKeyAlgorithmParamsTypeEc:
+      return CreateEcImportAlgorithm(algorithm.id(),
+                                     algorithm.ecParams()->namedCurve());
     case blink::WebCryptoKeyAlgorithmParamsTypeNone:
       break;
     default:
       break;
   }
+  NOTREACHED();
   return blink::WebCryptoAlgorithm::createNull();
 }
 
 // There is some duplicated information in the serialized format used by
 // structured clone (since the KeyAlgorithm is serialized separately from the
 // key data). Use this extra information to further validate what was
 // deserialized from the key data.
 //
 // A failure here implies either a bug in the code, or that the serialized data
 // was corrupted.
@@ skipping 18 matching lines @@
         return false;
       if (algorithm.rsaHashedParams()->publicExponent().size() !=
           key.algorithm().rsaHashedParams()->publicExponent().size())
         return false;
       if (memcmp(algorithm.rsaHashedParams()->publicExponent().data(),
                  key.algorithm().rsaHashedParams()->publicExponent().data(),
                  key.algorithm().rsaHashedParams()->publicExponent().size()) !=
           0)
         return false;
       break;
+    case blink::WebCryptoKeyAlgorithmParamsTypeEc:
+      return algorithm.ecParams()->namedCurve() ==
+             key.algorithm().ecParams()->namedCurve();
     case blink::WebCryptoKeyAlgorithmParamsTypeNone:
     case blink::WebCryptoKeyAlgorithmParamsTypeHmac:
       break;
     default:
+      NOTREACHED();
       return false;
   }
 
   return true;
 }
 
 }  // namespace
 
 // Note that this function is called from the target Blink thread.
 bool SerializeKeyForClone(const blink::WebCryptoKey& key,
@@ skipping 23 matching lines @@
                             usages,
                             key);
   if (status.IsError())
     return false;
   return ValidateDeserializedKey(*key, algorithm, type);
 }
 
 }  // namespace webcrypto
 
 }  // namespace content