Move crypto files out of base, to a top level directory.

base/sha2_openssl.cc

-// Copyright (c) 2010 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 "base/sha2.h"
-
-#include <openssl/ssl.h>
-
-#include "base/basictypes.h"
-#include "base/openssl_util.h"
-#include "base/stl_util-inl.h"
-
-namespace base {
-
-void SHA256HashString(const std::string& str, void* output, size_t len) {
-  COMPILE_ASSERT(SHA256_LENGTH == SHA256_DIGEST_LENGTH,
-                 API_and_OpenSSL_SHA256_lengths_must_match);
-  ScopedOpenSSLSafeSizeBuffer<SHA256_DIGEST_LENGTH> result(
-      reinterpret_cast<unsigned char*>(output), len);
-  ::SHA256(reinterpret_cast<const unsigned char*>(str.data()), str.size(),
-           result.safe_buffer());
-}
-
-std::string SHA256HashString(const std::string& str) {
-  std::string output(SHA256_LENGTH, 0);
-  SHA256HashString(str, string_as_array(&output), output.size());
-  return output;
-}
-
-}  // namespace base