public PublicKeyCertifcateFormat(byte[] i_Buffer, int i_StartIndex)
{
StringBeforeParsing = new SshString(i_Buffer, i_StartIndex);
i_StartIndex = 0;
PublicKeyName = new SshString(StringBeforeParsing.ByteArray, i_StartIndex);
if (PublicKeyName.ValueToString() == "ssh-rsa")
{
SshRsa = new SshRsaKeyFormat(StringBeforeParsing.ByteArray, PublicKeyName.LengthWithBufferLength);
}
}
internal bool ParseServerSshMsgKexDhGexReply()
{
bool ret = false;
int startIndex = 0;
if (SshPacket.PayLoad[startIndex] == (byte)eSshMsgKexDhGex.SSH_MSG_KEX_DH_GEX_REPLY)
{
startIndex = 1;
ServerPublicKeyHostAndCertifcates = new PublicKeyCertifcateFormat(SshPacket.PayLoad, startIndex);
// TODO: program crash here
startIndex += ServerPublicKeyHostAndCertifcates.TotalLength;
DhServerF = new MpInt(SshPacket.PayLoad, startIndex);
startIndex += (int)DhServerF.Length;
KexDhH = new SshString(SshPacket.PayLoad, startIndex);
// Step 5, computes K = f^x mod p
SecretKey = BigInteger.ModPow(DhServerF.Value, this.RandomSecret, this.DhModulesP.Value);
// TODO: check what to do with MAC
ret = true;
}
return ret;
}