public EncryptionInfo(DirectoryNode dir)
{
DocumentInputStream dis = dir.CreateDocumentInputStream("EncryptionInfo");
versionMajor = dis.ReadShort();
versionMinor = dis.ReadShort();
encryptionFlags = dis.ReadInt();
if (versionMajor == 4 && versionMinor == 4 && encryptionFlags == 0x40)
{
StringBuilder builder = new StringBuilder();
byte[] xmlDescriptor = new byte[dis.Available()];
dis.Read(xmlDescriptor);
foreach (byte b in xmlDescriptor)
builder.Append((char)b);
string descriptor = builder.ToString();
header = new EncryptionHeader(descriptor);
verifier = new EncryptionVerifier(descriptor);
}
else
{
int hSize = dis.ReadInt();
header = new EncryptionHeader(dis);
if (header.Algorithm == EncryptionHeader.ALGORITHM_RC4)
{
verifier = new EncryptionVerifier(dis, 20);
}
else
{
verifier = new EncryptionVerifier(dis, 32);
}
}
}
public EncryptionInfo(DirectoryNode dir)
{
DocumentInputStream dis = dir.CreateDocumentInputStream("EncryptionInfo");
versionMajor = dis.ReadShort();
versionMinor = dis.ReadShort();
encryptionFlags = dis.ReadInt();
if (versionMajor == 4 && versionMinor == 4 && encryptionFlags == 0x40)
{
StringBuilder builder = new StringBuilder();
byte[] xmlDescriptor = new byte[dis.Available()];
dis.Read(xmlDescriptor);
foreach (byte b in xmlDescriptor)
{
builder.Append((char)b);
}
string descriptor = builder.ToString();
header = new EncryptionHeader(descriptor);
verifier = new EncryptionVerifier(descriptor);
}
else
{
int hSize = dis.ReadInt();
header = new EncryptionHeader(dis);
if (header.Algorithm == EncryptionHeader.ALGORITHM_RC4)
{
verifier = new EncryptionVerifier(dis, 20);
}
else
{
verifier = new EncryptionVerifier(dis, 32);
}
}
}