public static byte[] CombineByteArray(byte[] b1, byte[] b2)
{
Buf b = new Buf();
if (b1 != null)
{
b.Write(b1);
}
if (b2 != null)
{
b.Write(b2);
}
return(b.ByteData);
}
public Buf Build()
{
int z;
Buf b;
this.fileList.Sort();
z = 0;
z += HamCore.HamcoreHeaderSize;
z += sizeof(int);
foreach (HamCoreBuilderFileEntry f in this.fileList)
{
z += Str.ShiftJisEncoding.GetByteCount(f.Name) + sizeof(int);
z += sizeof(int);
z += sizeof(int);
z += sizeof(int);
}
foreach (HamCoreBuilderFileEntry f in this.fileList)
{
f.Offset = z;
z += (int)f.CompressedData.Size;
}
b = new Buf();
b.Write(Str.ShiftJisEncoding.GetBytes(HamCore.HamcoreHeaderData));
b.WriteInt((uint)this.fileList.Count);
foreach (HamCoreBuilderFileEntry f in this.fileList)
{
b.WriteStr(f.Name, true);
b.WriteInt(f.RawData.Size);
b.WriteInt(f.CompressedData.Size);
b.WriteInt((uint)f.Offset);
}
foreach (HamCoreBuilderFileEntry f in this.fileList)
{
b.Write(f.CompressedData.ByteData);
}
b.SeekToBegin();
return(b);
}
public byte[] Sign(byte[] data)
{
Buf b = new Buf(data);
b.SeekToEnd();
b.Write(keyData);
return(Secure.HashSHA1(b.ByteData));
}
public Buf ToBuf()
{
string s = ToString();
Buf b = new Buf();
byte[] bom = Str.GetBOM(this.Encoding);
if (bom != null)
{
b.Write(bom);
}
b.Write(encoding.GetBytes(s));
b.SeekToBegin();
return(b);
}
public static byte[] PkcsPadding(byte[] srcData, int destSize)
{
int srcSize = srcData.Length;
if ((srcSize + 11) > destSize)
{
throw new OverflowException();
}
int randSize = destSize - srcSize - 3;
byte[] rand = Secure.Rand((uint)randSize);
Buf b = new Buf();
b.WriteByte(0x00);
b.WriteByte(0x02);
b.Write(rand);
b.WriteByte(0x00);
b.Write(srcData);
return(b.ByteData);
}
public static byte[] ReadAllFromStream(Stream st)
{
byte[] tmp = new byte[32 * 1024];
Buf b = new Buf();
while (true)
{
int r = st.Read(tmp, 0, tmp.Length);
if (r == 0)
{
break;
}
b.Write(tmp, 0, r);
}
return(b.ByteData);
}
public static Buf ReadFromStream(Stream st)
{
Buf ret = new Buf();
int size = 32767;
while (true)
{
byte[] tmp = new byte[size];
int i = st.Read(tmp, 0, tmp.Length);
if (i <= 0)
{
break;
}
Array.Resize <byte>(ref tmp, i);
ret.Write(tmp);
}
ret.SeekToBegin();
return(ret);
}
public static byte[] PkcsPadding(byte[] srcData, int destSize)
{
int srcSize = srcData.Length;
if ((srcSize + 11) > destSize)
{
throw new OverflowException();
}
int randSize = destSize - srcSize - 3;
byte[] rand = Secure.Rand((uint)randSize);
Buf b = new Buf();
b.WriteByte(0x00);
b.WriteByte(0x02);
b.Write(rand);
b.WriteByte(0x00);
b.Write(srcData);
return b.ByteData;
}
public byte[] Sign(byte[] data)
{
Buf b = new Buf(data);
b.SeekToEnd();
b.Write(keyData);
return Secure.HashSHA1(b.ByteData);
}
public static Buf ReadFromStream(Stream st)
{
Buf ret = new Buf();
int size = 32767;
while (true)
{
byte[] tmp = new byte[size];
int i = st.Read(tmp, 0, tmp.Length);
if (i <= 0)
{
break;
}
Array.Resize<byte>(ref tmp, i);
ret.Write(tmp);
}
ret.SeekToBegin();
return ret;
}
public void ReadToBuf(Buf buf, int size)
{
byte[] data = Read(size);
buf.Write(data);
}
public void ReadToBuf(Buf buf, int size)
{
byte[] data = Read(size);
buf.Write(data);
}
public Buf ToBuf()
{
string s = ToString();
Buf b = new Buf();
byte[] bom = Str.GetBOM(this.Encoding);
if (bom != null)
{
b.Write(bom);
}
b.Write(encoding.GetBytes(s));
b.SeekToBegin();
return b;
}
