webcrypto: Add ECDSA algorithm (chromium-side)

content/child/webcrypto/status.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/status.h"
 
+#include "base/format_macros.h"
+#include "base/strings/stringprintf.h"
+
 namespace content {
 
 namespace webcrypto {
 
 bool Status::IsError() const {
   return type_ == TYPE_ERROR;
 }
 
 bool Status::IsSuccess() const {
   return type_ == TYPE_SUCCESS;
@@ skipping 219 matching lines @@
   return Status(blink::WebCryptoErrorTypeData,
                 "Invalid key length: it is either zero or not a multiple of 8 "
                 "bits");
 }
 
 Status Status::ErrorCreateKeyBadUsages() {
   return Status(blink::WebCryptoErrorTypeSyntax,
                 "Cannot create a key using the specified key usages.");
 }
 
+Status Status::ErrorImportedEcKeyIncorrectCurve() {
+  return Status(
+      blink::WebCryptoErrorTypeData,
+      "The imported EC key specifies a different curve than requested");
+}
+
+Status Status::ErrorJwkIncorrectCrv() {
+  return Status(
+      blink::WebCryptoErrorTypeData,
+      "The JWK's \"crv\" member specifies a different curve than requested");
+}
+
+Status Status::ErrorEcKeyInvalid() {
+  return Status(blink::WebCryptoErrorTypeData,
+                "The imported EC key is invalid");
+}
+
+Status Status::JwkOctetStringWrongLength(const std::string& member_name,
+                                         size_t expected_length,
+                                         size_t actual_length) {
+  return Status(
+      blink::WebCryptoErrorTypeData,
+      base::StringPrintf(
+          "The JWK's \"%s\" member defines an octet string of length %" PRIuS
+          " bytes but should be %" PRIuS,
+          member_name.c_str(), actual_length, expected_length));
+}
+
 Status::Status(blink::WebCryptoErrorType error_type,
                const std::string& error_details_utf8)
     : type_(TYPE_ERROR),
       error_type_(error_type),
       error_details_(error_details_utf8) {
 }
 
 Status::Status(Type type) : type_(type) {
 }
 
 }  // namespace webcrypto
 
 }  // namespace content