コード例 #1
0
        public unsafe void RavenDB_15975()
        {
            using (var options = StorageEnvironmentOptions.ForPath(DataDir))
            {
                options.Encryption.MasterKey = Sodium.GenerateRandomBuffer((int)Sodium.crypto_aead_xchacha20poly1305_ietf_keybytes());

                using (var innerPager = LinuxTestUtils.GetNewPager(options, DataDir, "Raven.Voron"))
                {
                    AbstractPager cryptoPager;
                    using (cryptoPager = new CryptoPager(innerPager))
                    {
                        using (var tx = new TempPagerTransaction(isWriteTransaction: true))
                        {
                            var overflowSize = 4 * Constants.Storage.PageSize + 100;

                            cryptoPager.EnsureContinuous(26, 5);
                            var pagePointer = cryptoPager.AcquirePagePointerForNewPage(tx, 26, 5);

                            var header = (PageHeader *)pagePointer;
                            header->PageNumber   = 26;
                            header->Flags        = PageFlags.Overflow;
                            header->OverflowSize = overflowSize;

                            Memory.Set(pagePointer + PageHeader.SizeOf, (byte)'X', overflowSize);
                        }


                        using (var tx = new TempPagerTransaction())
                        {
                            var pagePointer = cryptoPager.AcquirePagePointer(tx, 26);

                            // Making sure that the data was decrypted and still holds those 'X' chars
                            Assert.True(pagePointer[PageHeader.SizeOf] == 'X');
                            Assert.True(pagePointer[666] == 'X');
                            Assert.True(pagePointer[1039] == 'X');
                        }
                    }
                }
            }
        }
コード例 #2
0
        public unsafe void WriteAndReadPageUsingCryptoPager()
        {
            using (var options = StorageEnvironmentOptions.ForPath(DataDir))
            {
                options.Encryption.MasterKey = Sodium.GenerateRandomBuffer((int)Sodium.crypto_aead_xchacha20poly1305_ietf_keybytes());

                using (var innerPager = LinuxTestUtils.GetNewPager(options, DataDir, "Raven.Voron"))
                {
                    AbstractPager cryptoPager;
                    using (cryptoPager = new CryptoPager(innerPager))
                    {
                        using (var tx = new TempPagerTransaction(isWriteTransaction: true))
                        {
                            cryptoPager.EnsureContinuous(17, 1); // We're gonna try to read and write to page 17
                            var pagePointer = cryptoPager.AcquirePagePointerForNewPage(tx, 17, 1);

                            var header = (PageHeader *)pagePointer;
                            header->PageNumber = 17;
                            header->Flags      = PageFlags.Single | PageFlags.FixedSizeTreePage;

                            Memory.Set(pagePointer + PageHeader.SizeOf, (byte)'X', Constants.Storage.PageSize - PageHeader.SizeOf);
                        }

                        using (var tx = new TempPagerTransaction())
                        {
                            var pagePointer = cryptoPager.AcquirePagePointer(tx, 17);

                            // Making sure that the data was decrypted and still holds those 'X' chars
                            Assert.True(pagePointer[PageHeader.SizeOf] == 'X');
                            Assert.True(pagePointer[666] == 'X');
                            Assert.True(pagePointer[1039] == 'X');
                        }
                    }
                }
            }
        }