Move shared files in net/quic/ into net/quic/core/

net/quic/crypto/p256_key_exchange.cc

-// Copyright (c) 2013 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 "net/quic/crypto/p256_key_exchange.h"
-
-#include <openssl/ec.h>
-#include <openssl/ecdh.h>
-#include <openssl/evp.h>
-
-#include "base/logging.h"
-
-using base::StringPiece;
-using std::string;
-
-namespace net {
-
-P256KeyExchange::P256KeyExchange(EC_KEY* private_key, const uint8_t* public_key)
-    : private_key_(private_key) {
-  memcpy(public_key_, public_key, sizeof(public_key_));
-}
-
-P256KeyExchange::~P256KeyExchange() {}
-
-// static
-P256KeyExchange* P256KeyExchange::New(StringPiece key) {
-  if (key.empty()) {
-    DVLOG(1) << "Private key is empty";
-    return nullptr;
-  }
-
-  const uint8_t* keyp = reinterpret_cast<const uint8_t*>(key.data());
-  crypto::ScopedEC_KEY private_key(
-      d2i_ECPrivateKey(nullptr, &keyp, key.size()));
-  if (!private_key.get() || !EC_KEY_check_key(private_key.get())) {
-    DVLOG(1) << "Private key is invalid.";
-    return nullptr;
-  }
-
-  uint8_t public_key[kUncompressedP256PointBytes];
-  if (EC_POINT_point2oct(EC_KEY_get0_group(private_key.get()),
-                         EC_KEY_get0_public_key(private_key.get()),
-                         POINT_CONVERSION_UNCOMPRESSED, public_key,
-                         sizeof(public_key), nullptr) != sizeof(public_key)) {
-    DVLOG(1) << "Can't get public key.";
-    return nullptr;
-  }
-
-  return new P256KeyExchange(private_key.release(), public_key);
-}
-
-// static
-string P256KeyExchange::NewPrivateKey() {
-  crypto::ScopedEC_KEY key(EC_KEY_new_by_curve_name(NID_X9_62_prime256v1));
-  if (!key.get() || !EC_KEY_generate_key(key.get())) {
-    DVLOG(1) << "Can't generate a new private key.";
-    return string();
-  }
-
-  int key_len = i2d_ECPrivateKey(key.get(), nullptr);
-  if (key_len <= 0) {
-    DVLOG(1) << "Can't convert private key to string";
-    return string();
-  }
-  std::unique_ptr<uint8_t[]> private_key(new uint8_t[key_len]);
-  uint8_t* keyp = private_key.get();
-  if (!i2d_ECPrivateKey(key.get(), &keyp)) {
-    DVLOG(1) << "Can't convert private key to string.";
-    return string();
-  }
-  return string(reinterpret_cast<char*>(private_key.get()), key_len);
-}
-
-KeyExchange* P256KeyExchange::NewKeyPair(QuicRandom* /*rand*/) const {
-  // TODO(agl): avoid the serialisation/deserialisation in this function.
-  const string private_value = NewPrivateKey();
-  return P256KeyExchange::New(private_value);
-}
-
-bool P256KeyExchange::CalculateSharedKey(StringPiece peer_public_value,
-                                         string* out_result) const {
-  if (peer_public_value.size() != kUncompressedP256PointBytes) {
-    DVLOG(1) << "Peer public value is invalid";
-    return false;
-  }
-
-  crypto::ScopedEC_POINT point(
-      EC_POINT_new(EC_KEY_get0_group(private_key_.get())));
-  if (!point ||
-      !EC_POINT_oct2point(/* also test if point is on curve */
-                          EC_KEY_get0_group(private_key_.get()), point.get(),
-                          reinterpret_cast<const uint8_t*>(
-                              peer_public_value.data()),
-                          peer_public_value.size(), nullptr)) {
-    DVLOG(1) << "Can't convert peer public value to curve point.";
-    return false;
-  }
-
-  uint8_t result[kP256FieldBytes];
-  if (ECDH_compute_key(result, sizeof(result), point.get(), private_key_.get(),
-                       nullptr) != sizeof(result)) {
-    DVLOG(1) << "Can't compute ECDH shared key.";
-    return false;
-  }
-
-  out_result->assign(reinterpret_cast<char*>(result), sizeof(result));
-  return true;
-}
-
-StringPiece P256KeyExchange::public_value() const {
-  return StringPiece(reinterpret_cast<const char*>(public_key_),
-                     sizeof(public_key_));
-}
-
-QuicTag P256KeyExchange::tag() const {
-  return kP256;
-}
-
-}  // namespace net