Implement HKDF for webcrypto

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 {
@@ skipping 310 matching lines @@
 }
 
 Status Status::ErrorEcdhLengthTooBig(unsigned int max_length_bits) {
   return Status(blink::WebCryptoErrorTypeOperation,
                 base::StringPrintf(
                     "Length specified for ECDH key derivation is too large. "
                     "Maximum allowed is %u bits",
                     max_length_bits));
 }
 
+Status Status::ErrorHkdfLengthTooLong() {
+  return Status(blink::WebCryptoErrorTypeOperation,
+                "The length provided for HKDF is too large.");
+}
+
+Status Status::ErrorHkdfDeriveBitsLengthNotSpecified() {
+  // TODO(nharper): The spec might change so that an OperationError should be
+  // thrown here instead of a TypeError.
+  // (https://www.w3.org/Bugs/Public/show_bug.cgi?id=27771)
+  return Status(blink::WebCryptoErrorTypeType,
+                "No length was specified for the HKDF Derive Bits operation.");
+}
+
 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