public PSTHeader(PSTFile pst)
{
var tempBytes = new byte[684];
using (var mmfView = pst.PSTMMF.CreateViewAccessor(0, tempBytes.Length))
{
mmfView.ReadArray(0, tempBytes, 0, tempBytes.Length);
DWMagic = Encoding.ASCII.GetString(tempBytes, 0, 4);
var ver = BitConverter.ToUInt16(tempBytes, 10);
bool ansi = (ver == 14 || ver == 15);
isUnicode = !ansi;
//root.PSTSize = ByteReverse.ReverseULong(root.PSTSize);
var sentinel = tempBytes[isUnicode ? 512 : 460];
EncodingAlgotihm = (BlockEncoding)tempBytes[isUnicode ? 513 : 461];
var nbt_bref = new BREF(isUnicode, tempBytes, isUnicode ? 216 : 184);
var bbt_bref = new BREF(isUnicode, tempBytes, isUnicode ? 232 : 192);
NodeBT = new NDB.PSTBTree(isUnicode, nbt_bref, pst);
BlockBT = new NDB.PSTBTree(isUnicode, bbt_bref, pst);
}
}
public PSTHeader(PSTFile pst)
{
using(var mmfView = pst.PSTMMF.CreateViewAccessor(0, 684))
{
var temp = new byte[4];
mmfView.ReadArray(0, temp, 0, 4);
this.DWMagic = Encoding.Default.GetString(temp);
var ver = mmfView.ReadInt16(10);
this.IsANSI = ver == 14 || ver == 15 ? true : (ver == 23 ? (bool?)false : null);
if (this.IsANSI != null && this.IsANSI.Value)
{
} else if (this.IsUNICODE != null && this.IsUNICODE.Value)
{
//root.PSTSize = ByteReverse.ReverseULong(root.PSTSize);
var sentinel = mmfView.ReadByte(512);
var cryptMethod = (uint) mmfView.ReadByte(513);
this.EncodingAlgotihm = (BlockEncoding) cryptMethod;
var bytes = new byte[16];
mmfView.ReadArray(216, bytes, 0, 16);
var nbt_bref = new BREF(bytes);
mmfView.ReadArray(232, bytes, 0, 16);
var bbt_bref = new BREF(bytes);
this.NodeBT = new NDB.PSTBTree(nbt_bref, pst);
this.BlockBT = new NDB.PSTBTree(bbt_bref, pst);
}
}
}
public static void CryptPermute(byte[] pv, int cb, bool fEncrypt, BlockEncoding blockEncoding)
{
if (blockEncoding == BlockEncoding.NONE) return;
if (blockEncoding == BlockEncoding.PERMUTE)
{
int idx = (fEncrypt ? 0 : 512);
int temp = 0;
for (int pvIndex = 0; pvIndex < cb; pvIndex++)
{
temp = pv[pvIndex];
temp = temp & 0xFF;
pv[pvIndex] = mpbbCrypt[temp + idx];
}
}
}
public PSTHeader(PSTFile pst)
{
using (var mmfView = pst.PSTMMF.CreateViewAccessor(0, 684))
{
var temp = new byte[4];
mmfView.ReadArray(0, temp, 0, 4);
this.DWMagic = Encoding.Default.GetString(temp);
var ver = mmfView.ReadInt16(10);
this.IsANSI = ver == 14 || ver == 15 ? true : (ver == 23 ? (bool?)false : null);
if (this.IsANSI != null && this.IsANSI.Value)
{
}
else if (this.IsUNICODE != null && this.IsUNICODE.Value)
{
//root.PSTSize = ByteReverse.ReverseULong(root.PSTSize);
var sentinel = mmfView.ReadByte(512);
var cryptMethod = (uint)mmfView.ReadByte(513);
this.EncodingAlgotihm = (BlockEncoding)cryptMethod;
var bytes = new byte[16];
mmfView.ReadArray(216, bytes, 0, 16);
var nbt_bref = new BREF(bytes);
mmfView.ReadArray(232, bytes, 0, 16);
var bbt_bref = new BREF(bytes);
this.NodeBT = new NDB.PSTBTree(nbt_bref, pst);
this.BlockBT = new NDB.PSTBTree(bbt_bref, pst);
}
}
}
