root/net/base/openssl_private_key_store_android.cc

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DEFINITIONS

This source file includes following definitions.
  1. StoreKeyPair

// 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 "net/base/openssl_private_key_store.h"

#include <openssl/evp.h>
#include <openssl/x509.h>

#include "base/logging.h"
#include "base/memory/singleton.h"
#include "crypto/openssl_util.h"
#include "net/android/network_library.h"

namespace net {

bool OpenSSLPrivateKeyStore::StoreKeyPair(const GURL& url,
                                          EVP_PKEY* pkey) {
  // Always clear openssl errors on exit.
  crypto::OpenSSLErrStackTracer err_trace(FROM_HERE);

  // Important: Do not use i2d_PublicKey() here, which returns data in
  // PKCS#1 format, use i2d_PUBKEY() which returns it as DER-encoded
  // SubjectPublicKeyInfo (X.509), as expected by the platform.
  unsigned char* public_key = NULL;
  int public_len = i2d_PUBKEY(pkey, &public_key);

  // Important: Do not use i2d_PrivateKey() here, it returns data
  // in a format that is incompatible with what the platform expects.
  unsigned char* private_key = NULL;
  int private_len = 0;
  crypto::ScopedOpenSSL<
      PKCS8_PRIV_KEY_INFO,
      PKCS8_PRIV_KEY_INFO_free> pkcs8(EVP_PKEY2PKCS8(pkey));
  if (pkcs8.get() != NULL) {
    private_len = i2d_PKCS8_PRIV_KEY_INFO(pkcs8.get(), &private_key);
  }
  bool ret = false;
  if (public_len > 0 && private_len > 0) {
    ret = net::android::StoreKeyPair(
        static_cast<const uint8*>(public_key), public_len,
        static_cast<const uint8*>(private_key), private_len);
  }
  LOG_IF(ERROR, !ret) << "StoreKeyPair failed. pub len = " << public_len
                      << " priv len = " << private_len;
  OPENSSL_free(public_key);
  OPENSSL_free(private_key);
  return ret;
}

}  // namespace net

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