SshBuilder
class SshBuilder
using Org.BouncyCastle.Math;
using System;
using System.IO;
using System.Text;
namespace Org.BouncyCastle.Crypto.Utilities
{
internal class SshBuilder
{
private readonly MemoryStream bos = new MemoryStream();
public void U32(uint value)
{
bos.WriteByte(Convert.ToByte((value >> 24) & 255));
bos.WriteByte(Convert.ToByte((value >> 16) & 255));
bos.WriteByte(Convert.ToByte((value >> 8) & 255));
bos.WriteByte(Convert.ToByte(value & 255));
}
public void WriteMpint(BigInteger n)
{
WriteBlock(n.ToByteArray());
}
public void WriteBlock(byte[] value)
{
U32((uint)value.Length);
WriteBytes(value);
}
public void WriteBytes(byte[] value)
{
try {
bos.Write(value, 0, value.Length);
} catch (IOException ex) {
throw new InvalidOperationException(ex.Message, ex);
}
}
public void WriteStringAscii(string str)
{
WriteBlock(Encoding.ASCII.GetBytes(str));
}
public void WriteStringUtf8(string str)
{
WriteBlock(Encoding.UTF8.GetBytes(str));
}
public byte[] GetBytes()
{
return bos.ToArray();
}
public byte[] GetPaddedBytes()
{
return GetPaddedBytes(8);
}
public byte[] GetPaddedBytes(int blockSize)
{
int num = (int)bos.Length % blockSize;
if (num != 0) {
int num2 = blockSize - num;
for (int i = 1; i <= num2; i++) {
bos.WriteByte(Convert.ToByte(i));
}
}
return bos.ToArray();
}
}
}