private static void Save(KeePassPackage package, Stream stream)
{
package.HeaderInfo.GenerateValues();
var actualByteMarks = package.HeaderInfo.HeaderByteMarks;
package.HeaderInfo.Write(stream);
var outerStream = KeePassFileCryptoStreamFactory.CreateCryptoStream(
stream,
true,
package.MasterKey,
package.HeaderInfo);
outerStream.Write(actualByteMarks, 0, actualByteMarks.Length);
outerStream = new HMACBlockStream(outerStream, true);
if (package.HeaderInfo.DatabaseCompression == 1)
outerStream = new GZipStream(outerStream, CompressionMode.Compress);
switch(package.Format)
{
case DocumentFormats.Xml:
var serializer = new Xml.KeePassPackageXmlSerializer();
serializer.Write(package, outerStream);
break;
}
outerStream.Dispose();
}
private static void Open(KeePassPackage package, Stream stream)
{
package.HeaderInfo.Read(stream);
var outerStream = KeePassFileCryptoStreamFactory.CreateCryptoStream(
stream,
false,
package.MasterKey,
package.HeaderInfo);
byte[] expectedHeaderByteMark = package.HeaderInfo.HeaderByteMarks;
byte[] actualHeaderByteMark = outerStream.ReadBytes(32);
bool equal = Check.Equal(expectedHeaderByteMark, actualHeaderByteMark);
if(!equal)
throw new Exception("Invalid File Format");
outerStream = new HMACBlockStream(outerStream, false);
if(package.HeaderInfo.DatabaseCompression == 1)
outerStream = new GZipStream(outerStream, CompressionMode.Decompress);
switch(package.Format)
{
case DocumentFormats.Xml:
var serializer = new Xml.KeePassPackageXmlSerializer();
serializer.Read(package, outerStream);
break;
}
}