webcrypto: Add ECDSA algorithm (chromium-side)

content/child/webcrypto/status.h

 // 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.
 
 #ifndef CONTENT_CHILD_WEBCRYPTO_STATUS_H_
 #define CONTENT_CHILD_WEBCRYPTO_STATUS_H_
 
 #include <string>
 #include "content/common/content_export.h"
 #include "third_party/WebKit/public/platform/WebCrypto.h"
@@ skipping 195 matching lines @@
 
   // The key length specified when generating a key was invalid. Either it was
   // zero, or it was not a multiple of 8 bits.
   static Status ErrorGenerateKeyLength();
 
   // Attempted to create a key (either by importKey(), generateKey(), or
   // unwrapKey()) however the key usages were not applicable for the key type
   // and algorithm.
   static Status ErrorCreateKeyBadUsages();
 
+  // An EC key imported using SPKI/PKCS8 format had the wrong curve specified in
+  // the key.
+  static Status ErrorImportedEcKeyIncorrectCurve();
+
+  // The "crv" member for a JWK did not match the expectations from importKey()
+  static Status ErrorJwkIncorrectCrv();
+
+  // The EC key failed validation (coordinates don't lie on curve, out of range,
+  // etc.)
+  static Status ErrorEcKeyInvalid();
+
  private:
   enum Type { TYPE_ERROR, TYPE_SUCCESS };
 
   // Constructs an error with the specified error type and message.
   Status(blink::WebCryptoErrorType error_type,
          const std::string& error_details_utf8);
 
   // Constructs a success or error without any details.
   explicit Status(Type type);
 
   Type type_;
   blink::WebCryptoErrorType error_type_;
   std::string error_details_;
 };
 
 }  // namespace webcrypto
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_WEBCRYPTO_STATUS_H_