public void Dispose()
{
if (TigerHasher != null)
{
TigerHasher.Dispose();
TigerHasher = null;
}
}
private void ValidateHashes(EraFileEntryChunk fileEntry, IO.EndianStream blockStream)
{
fileEntry.ComputeHash(blockStream, TigerHasher);
if (!fileEntry.CompressedDataTiger128.EqualsArray(TigerHasher.Hash))
{
string chunk_name = !string.IsNullOrEmpty(fileEntry.FileName)
? fileEntry.FileName
: "FileNames";//fileEntry.EntryId.ToString("X16");
throw new System.IO.InvalidDataException(string.Format(
"Invalid chunk hash for '{0}' offset={1} size={2} " +
"expected {3} but got {4}",
chunk_name, fileEntry.DataOffset, fileEntry.DataSize.ToString("X8"),
Text.Util.ByteArrayToString(fileEntry.CompressedDataTiger128),
Text.Util.ByteArrayToString(TigerHasher.Hash, 0, EraFileEntryChunk.kCompresssedDataTigerHashSize)
));
}
if (fileEntry.CompressionType == ECF.EcfCompressionType.Stored)
{
ulong tiger64;
TigerHasher.TryGetAsTiger64(out tiger64);
if (fileEntry.DecompressedDataTiger64 != tiger64)
{
string chunk_name = !string.IsNullOrEmpty(fileEntry.FileName)
? fileEntry.FileName
: "FileNames";//fileEntry.EntryId.ToString("X16");
throw new System.IO.InvalidDataException(string.Format(
"Chunk id mismatch for '{0}' offset={1} size={2} " +
"expected {3} but got {4}",
chunk_name, fileEntry.DataOffset, fileEntry.DataSize.ToString("X8"),
fileEntry.DecompressedDataTiger64.ToString("X16"),
Text.Util.ByteArrayToString(TigerHasher.Hash, 0, sizeof(ulong))
));
}
}
}
