crypto: Add BoringSSL accelerated version of SHA-1

crypto/sha1.cc

Index: crypto/sha1.cc
diff --git a/crypto/sha2.cc b/crypto/sha1.cc
similarity index 53%
copy from crypto/sha2.cc
copy to crypto/sha1.cc
index e97b8f40376b5d34c4581bd6949380bec2b96251..03cb264403414d96c30b85226de451289067ef92 100644
--- a/crypto/sha2.cc
+++ b/crypto/sha1.cc
@@ -1,8 +1,8 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright (c) 2016 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 "crypto/sha1.h"
 
 #include <stddef.h>
 
@@ -13,15 +13,15 @@
 
 namespace crypto {
 
-void SHA256HashString(const base::StringPiece& str, void* output, size_t len) {
-  std::unique_ptr<SecureHash> ctx(SecureHash::Create(SecureHash::SHA256));
+void SHA1HashString(const base::StringPiece& str, void* output, size_t len) {
+  std::unique_ptr<SecureHash> ctx(SecureHash::Create(SecureHash::SHA1));
   ctx->Update(str.data(), str.length());
   ctx->Finish(output, len);
 }
 
-std::string SHA256HashString(const base::StringPiece& str) {
-  std::string output(kSHA256Length, 0);
-  SHA256HashString(str, string_as_array(&output), output.size());
+std::string SHA1HashString(const base::StringPiece& str) {
+  std::string output(kSHA1Length, 0);
+  SHA1HashString(str, string_as_array(&output), output.size());
   return output;
 }