| // Copyright (c) 2012 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 "crypto/sha2.h" | 
 |  | 
 | #include <stddef.h> | 
 |  | 
 | #include <memory> | 
 |  | 
 | #include "base/stl_util.h" | 
 | #include "crypto/secure_hash.h" | 
 |  | 
 | namespace crypto { | 
 |  | 
 | void SHA256HashString(const base::StringPiece& str, void* output, size_t len) { | 
 |   std::unique_ptr<SecureHash> ctx(SecureHash::Create(SecureHash::SHA256)); | 
 |   ctx->Update(str.data(), str.length()); | 
 |   ctx->Finish(output, len); | 
 | } | 
 |  | 
 | std::string SHA256HashString(const base::StringPiece& str) { | 
 |   std::string output(kSHA256Length, 0); | 
 |   SHA256HashString(str, base::string_as_array(&output), output.size()); | 
 |   return output; | 
 | } | 
 |  | 
 | }  // namespace crypto |