Rename crypto/ *_openssl files

crypto/secure_hash_openssl.cc

-// 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/secure_hash.h"
-
-#include <openssl/mem.h>
-#include <openssl/sha.h>
-#include <stddef.h>
-
-#include "base/logging.h"
-#include "base/pickle.h"
-#include "crypto/openssl_util.h"
-
-namespace crypto {
-
-namespace {
-
-class SecureHashSHA256OpenSSL : public SecureHash {
- public:
-  SecureHashSHA256OpenSSL() {
-    SHA256_Init(&ctx_);
-  }
-
-  SecureHashSHA256OpenSSL(const SecureHashSHA256OpenSSL& other) {
-    memcpy(&ctx_, &other.ctx_, sizeof(ctx_));
-  }
-
-  ~SecureHashSHA256OpenSSL() override {
-    OPENSSL_cleanse(&ctx_, sizeof(ctx_));
-  }
-
-  void Update(const void* input, size_t len) override {
-    SHA256_Update(&ctx_, static_cast<const unsigned char*>(input), len);
-  }
-
-  void Finish(void* output, size_t len) override {
-    ScopedOpenSSLSafeSizeBuffer<SHA256_DIGEST_LENGTH> result(
-        static_cast<unsigned char*>(output), len);
-    SHA256_Final(result.safe_buffer(), &ctx_);
-  }
-
-  SecureHash* Clone() const override {
-    return new SecureHashSHA256OpenSSL(*this);
-  }
-
-  size_t GetHashLength() const override { return SHA256_DIGEST_LENGTH; }
-
- private:
-  SHA256_CTX ctx_;
-};
-
-}  // namespace
-
-SecureHash* SecureHash::Create(Algorithm algorithm) {
-  switch (algorithm) {
-    case SHA256:
-      return new SecureHashSHA256OpenSSL();
-    default:
-      NOTIMPLEMENTED();
-      return NULL;
-  }
-}
-
-}  // namespace crypto