Reland "Cut down /crypto and switch what is left of it to boringssl".

crypto/secure_hash_default.cc

Index: crypto/secure_hash_default.cc
diff --git a/crypto/secure_hash_default.cc b/crypto/secure_hash_default.cc
deleted file mode 100644
index 262beb7fd18329c48c66978ec3a85e04fba45570..0000000000000000000000000000000000000000
--- a/crypto/secure_hash_default.cc
+++ /dev/null
@@ -1,94 +0,0 @@
-// 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 "base/logging.h"
-#include "base/pickle.h"
-#include "crypto/third_party/nss/chromium-blapi.h"
-#include "crypto/third_party/nss/chromium-sha256.h"
-
-namespace crypto {
-
-namespace {
-
-const char kSHA256Descriptor[] = "NSS";
-
-class SecureHashSHA256NSS : public SecureHash {
- public:
-  static const int kSecureHashVersion = 1;
-
-  SecureHashSHA256NSS() {
-    SHA256_Begin(&ctx_);
-  }
-
-  ~SecureHashSHA256NSS() override { memset(&ctx_, 0, sizeof(ctx_)); }
-
-  // SecureHash implementation:
-  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 {
-    SHA256_End(&ctx_, static_cast<unsigned char*>(output), NULL,
-               static_cast<unsigned int>(len));
-  }
-
-  bool Serialize(Pickle* pickle) override;
-  bool Deserialize(PickleIterator* data_iterator) override;
-
- private:
-  SHA256Context ctx_;
-};
-
-bool SecureHashSHA256NSS::Serialize(Pickle* pickle) {
-  if (!pickle)
-    return false;
-
-  if (!pickle->WriteInt(kSecureHashVersion) ||
-      !pickle->WriteString(kSHA256Descriptor) ||
-      !pickle->WriteBytes(&ctx_, sizeof(ctx_))) {
-    return false;
-  }
-
-  return true;
-}
-
-bool SecureHashSHA256NSS::Deserialize(PickleIterator* data_iterator) {
-  int version;
-  if (!data_iterator->ReadInt(&version))
-    return false;
-
-  if (version > kSecureHashVersion)
-    return false;  // We don't know how to deal with this.
-
-  std::string type;
-  if (!data_iterator->ReadString(&type))
-    return false;
-
-  if (type != kSHA256Descriptor)
-    return false;  // It's the wrong kind.
-
-  const char* data = NULL;
-  if (!data_iterator->ReadBytes(&data, sizeof(ctx_)))
-    return false;
-
-  memcpy(&ctx_, data, sizeof(ctx_));
-
-  return true;
-}
-
-}  // namespace
-
-SecureHash* SecureHash::Create(Algorithm algorithm) {
-  switch (algorithm) {
-    case SHA256:
-      return new SecureHashSHA256NSS();
-    default:
-      NOTIMPLEMENTED();
-      return NULL;
-  }
-}
-
-}  // namespace crypto