// static int min=512;
// static int preferred=1024;
// static int max=2000;
// com.jcraft.jsch.DH dh;
//private byte[] f;
/// <exception cref="System.Exception"></exception>
public override void Init(Session session, byte[] V_S, byte[] V_C, byte[] I_S, byte
[] I_C)
{
this.session = session;
this.V_S = V_S;
this.V_C = V_C;
this.I_S = I_S;
this.I_C = I_C;
try
{
Type c = Sharpen.Runtime.GetType(session.GetConfig("sha-1"));
sha = (HASH)(System.Activator.CreateInstance(c));
sha.Init();
}
catch (Exception e)
{
System.Console.Error.WriteLine(e);
}
buf = new Buffer();
packet = new Packet(buf);
try
{
Type c = Sharpen.Runtime.GetType(session.GetConfig("dh"));
dh = (NSch.DH)(System.Activator.CreateInstance(c));
dh.Init();
}
catch (Exception e)
{
// System.err.println(e);
throw;
}
packet.Reset();
buf.PutByte(unchecked ((byte)SSH_MSG_KEX_DH_GEX_REQUEST));
buf.PutInt(min);
buf.PutInt(preferred);
buf.PutInt(max);
session.Write(packet);
if (JSch.GetLogger().IsEnabled(Logger.INFO))
{
JSch.GetLogger().Log(Logger.INFO, "SSH_MSG_KEX_DH_GEX_REQUEST(" + min + "<" + preferred
+ "<" + max + ") sent");
JSch.GetLogger().Log(Logger.INFO, "expecting SSH_MSG_KEX_DH_GEX_GROUP");
}
state = SSH_MSG_KEX_DH_GEX_GROUP;
}
/// <exception cref="System.Exception"></exception>
public override bool Start(Session session)
{
base.Start(session);
// send
// byte SSH_MSG_SERVICE_REQUEST(5)
// string service name "ssh-userauth"
packet.Reset();
buf.PutByte(unchecked ((byte)Session.SSH_MSG_SERVICE_REQUEST));
buf.PutString(Util.Str2byte("ssh-userauth"));
session.Write(packet);
if (JSch.GetLogger().IsEnabled(Logger.INFO))
{
JSch.GetLogger().Log(Logger.INFO, "SSH_MSG_SERVICE_REQUEST sent");
}
// receive
// byte SSH_MSG_SERVICE_ACCEPT(6)
// string service name
buf = session.Read(buf);
int command = buf.GetCommand();
bool result = (command == SSH_MSG_SERVICE_ACCEPT);
if (JSch.GetLogger().IsEnabled(Logger.INFO))
{
JSch.GetLogger().Log(Logger.INFO, "SSH_MSG_SERVICE_ACCEPT received");
}
if (!result)
{
return(false);
}
byte[] _username = null;
_username = Util.Str2byte(username);
// send
// byte SSH_MSG_USERAUTH_REQUEST(50)
// string user name
// string service name ("ssh-connection")
// string "none"
packet.Reset();
buf.PutByte(unchecked ((byte)SSH_MSG_USERAUTH_REQUEST));
buf.PutString(_username);
buf.PutString(Util.Str2byte("ssh-connection"));
buf.PutString(Util.Str2byte("none"));
session.Write(packet);
while (true)
{
buf = session.Read(buf);
command = buf.GetCommand() & unchecked ((int)(0xff));
if (command == SSH_MSG_USERAUTH_SUCCESS)
{
return(true);
}
if (command == SSH_MSG_USERAUTH_BANNER)
{
buf.GetInt();
buf.GetByte();
buf.GetByte();
byte[] _message = buf.GetString();
byte[] lang = buf.GetString();
string message = Util.Byte2str(_message);
if (userinfo != null)
{
try
{
userinfo.ShowMessage(message);
}
catch (RuntimeException)
{
}
}
goto loop_continue;
}
if (command == SSH_MSG_USERAUTH_FAILURE)
{
buf.GetInt();
buf.GetByte();
buf.GetByte();
byte[] foo = buf.GetString();
int partial_success = buf.GetByte();
methods = Util.Byte2str(foo);
//System.err.println("UserAuthNONE: "+methods+
// " partial_success:"+(partial_success!=0));
// if(partial_success!=0){
// throw new JSchPartialAuthException(new String(foo));
// }
break;
}
else
{
// System.err.println("USERAUTH fail ("+command+")");
throw new JSchException("USERAUTH fail (" + command + ")");
}
loop_continue :;
}
loop_break :;
//throw new JSchException("USERAUTH fail");
return(false);
}
/// <exception cref="NSch.JSchException"></exception>
private IdentityFile(string name, byte[] prvkey, byte[] pubkey, JSch jsch)
{
this.identity = name;
this.jsch = jsch;
// prvkey from "ssh-add" command on the remote.
if (pubkey == null && prvkey != null && (prvkey.Length > 11 && prvkey[0] == 0 &&
prvkey[1] == 0 && prvkey[2] == 0 && prvkey[3] == 7))
{
Buffer buf = new Buffer(prvkey);
string _type = Sharpen.Runtime.GetStringForBytes(buf.GetString());
// ssh-rsa
if (_type.Equals("ssh-rsa"))
{
type = RSA;
n_array = buf.GetString();
e_array = buf.GetString();
d_array = buf.GetString();
buf.GetString();
buf.GetString();
buf.GetString();
this.identity += Sharpen.Runtime.GetStringForBytes(buf.GetString());
}
else
{
if (_type.Equals("ssh-dss"))
{
type = DSS;
P_array = buf.GetString();
Q_array = buf.GetString();
G_array = buf.GetString();
pub_array = buf.GetString();
prv_array = buf.GetString();
this.identity += Sharpen.Runtime.GetStringForBytes(buf.GetString());
}
else
{
throw new JSchException("privatekey: invalid key " + Sharpen.Runtime.GetStringForBytes
(prvkey, 4, 7));
}
}
encoded_data = prvkey;
encrypted = false;
keytype = OPENSSH;
return;
}
try
{
Type c;
c = Sharpen.Runtime.GetType((string)JSch.GetConfig("3des-cbc"));
cipher = (NSch.Cipher)(System.Activator.CreateInstance(c));
key = new byte[cipher.GetBlockSize()];
// 24
iv = new byte[cipher.GetIVSize()];
// 8
c = Sharpen.Runtime.GetType((string)JSch.GetConfig("md5"));
hash = (HASH)(System.Activator.CreateInstance(c));
hash.Init();
byte[] buf = prvkey;
int len = buf.Length;
int i = 0;
while (i < len)
{
if (buf[i] == '-' && i + 4 < len && buf[i + 1] == '-' && buf[i + 2] == '-' && buf
[i + 3] == '-' && buf[i + 4] == '-')
{
break;
}
i++;
}
while (i < len)
{
if (buf[i] == 'B' && i + 3 < len && buf[i + 1] == 'E' && buf[i + 2] == 'G' && buf
[i + 3] == 'I')
{
i += 6;
if (buf[i] == 'D' && buf[i + 1] == 'S' && buf[i + 2] == 'A')
{
type = DSS;
}
else
{
if (buf[i] == 'R' && buf[i + 1] == 'S' && buf[i + 2] == 'A')
{
type = RSA;
}
else
{
if (buf[i] == 'S' && buf[i + 1] == 'S' && buf[i + 2] == 'H')
{
// FSecure
type = UNKNOWN;
keytype = FSECURE;
}
else
{
//System.err.println("invalid format: "+identity);
throw new JSchException("invalid privatekey: " + identity);
}
}
}
i += 3;
continue;
}
if (buf[i] == 'A' && i + 7 < len && buf[i + 1] == 'E' && buf[i + 2] == 'S' && buf
[i + 3] == '-' && buf[i + 4] == '2' && buf[i + 5] == '5' && buf[i + 6] == '6' &&
buf[i + 7] == '-')
{
i += 8;
if (Session.CheckCipher((string)JSch.GetConfig("aes256-cbc")))
{
c = Sharpen.Runtime.GetType((string)JSch.GetConfig("aes256-cbc"));
cipher = (NSch.Cipher)(System.Activator.CreateInstance(c));
key = new byte[cipher.GetBlockSize()];
iv = new byte[cipher.GetIVSize()];
}
else
{
throw new JSchException("privatekey: aes256-cbc is not available " + identity);
}
continue;
}
if (buf[i] == 'A' && i + 7 < len && buf[i + 1] == 'E' && buf[i + 2] == 'S' && buf
[i + 3] == '-' && buf[i + 4] == '1' && buf[i + 5] == '9' && buf[i + 6] == '2' &&
buf[i + 7] == '-')
{
i += 8;
if (Session.CheckCipher((string)JSch.GetConfig("aes192-cbc")))
{
c = Sharpen.Runtime.GetType((string)JSch.GetConfig("aes192-cbc"));
cipher = (NSch.Cipher)(System.Activator.CreateInstance(c));
key = new byte[cipher.GetBlockSize()];
iv = new byte[cipher.GetIVSize()];
}
else
{
throw new JSchException("privatekey: aes192-cbc is not available " + identity);
}
continue;
}
if (buf[i] == 'A' && i + 7 < len && buf[i + 1] == 'E' && buf[i + 2] == 'S' && buf
[i + 3] == '-' && buf[i + 4] == '1' && buf[i + 5] == '2' && buf[i + 6] == '8' &&
buf[i + 7] == '-')
{
i += 8;
if (Session.CheckCipher((string)JSch.GetConfig("aes128-cbc")))
{
c = Sharpen.Runtime.GetType((string)JSch.GetConfig("aes128-cbc"));
cipher = (NSch.Cipher)(System.Activator.CreateInstance(c));
key = new byte[cipher.GetBlockSize()];
iv = new byte[cipher.GetIVSize()];
}
else
{
throw new JSchException("privatekey: aes128-cbc is not available " + identity);
}
continue;
}
if (buf[i] == 'C' && i + 3 < len && buf[i + 1] == 'B' && buf[i + 2] == 'C' && buf
[i + 3] == ',')
{
i += 4;
for (int ii = 0; ii < iv.Length; ii++)
{
iv[ii] = unchecked ((byte)(((A2b(buf[i++]) << 4) & unchecked ((int)(0xf0))) + (A2b(
buf[i++]) & unchecked ((int)(0xf)))));
}
continue;
}
if (buf[i] == unchecked ((int)(0x0d)) && i + 1 < len && buf[i + 1] == unchecked ((int
)(0x0a)))
{
i++;
continue;
}
if (buf[i] == unchecked ((int)(0x0a)) && i + 1 < len)
{
if (buf[i + 1] == unchecked ((int)(0x0a)))
{
i += 2;
break;
}
if (buf[i + 1] == unchecked ((int)(0x0d)) && i + 2 < len && buf[i + 2] == unchecked (
(int)(0x0a)))
{
i += 3;
break;
}
bool inheader = false;
for (int j = i + 1; j < len; j++)
{
if (buf[j] == unchecked ((int)(0x0a)))
{
break;
}
//if(buf[j]==0x0d) break;
if (buf[j] == ':')
{
inheader = true;
break;
}
}
if (!inheader)
{
i++;
encrypted = false;
// no passphrase
break;
}
}
i++;
}
if (type == ERROR)
{
throw new JSchException("invalid privatekey: " + identity);
}
int start = i;
while (i < len)
{
if (buf[i] == unchecked ((int)(0x0a)))
{
bool xd = (buf[i - 1] == unchecked ((int)(0x0d)));
System.Array.Copy(buf, i + 1, buf, i - (xd ? 1 : 0), len - i - 1 - (xd ? 1 : 0));
if (xd)
{
len--;
}
len--;
continue;
}
if (buf[i] == '-')
{
break;
}
i++;
}
encoded_data = Util.FromBase64(buf, start, i - start);
if (encoded_data.Length > 4 && encoded_data[0] == unchecked ((byte)unchecked ((int)
(0x3f))) && encoded_data[1] == unchecked ((byte)unchecked ((int)(0x6f))) && encoded_data
[2] == unchecked ((byte)unchecked ((int)(0xf9))) && encoded_data[3] == unchecked ((
byte)unchecked ((int)(0xeb))))
{
// FSecure
Buffer _buf = new Buffer(encoded_data);
_buf.GetInt();
// 0x3f6ff9be
_buf.GetInt();
byte[] _type = _buf.GetString();
//System.err.println("type: "+new String(_type));
byte[] _cipher = _buf.GetString();
string cipherStr = Util.Byte2str(_cipher);
//System.err.println("cipher: "+cipher);
if (cipherStr.Equals("3des-cbc"))
{
_buf.GetInt();
byte[] foo = new byte[encoded_data.Length - _buf.GetOffSet()];
_buf.GetByte(foo);
encoded_data = foo;
encrypted = true;
throw new JSchException("unknown privatekey format: " + identity);
}
else
{
if (cipherStr.Equals("none"))
{
_buf.GetInt();
//_buf.getInt();
encrypted = false;
byte[] foo = new byte[encoded_data.Length - _buf.GetOffSet()];
_buf.GetByte(foo);
encoded_data = foo;
}
}
}
if (pubkey == null)
{
return;
}
buf = pubkey;
len = buf.Length;
if (buf.Length > 4 && buf[0] == '-' && buf[1] == '-' && buf[2] == '-' && buf[3] ==
'-')
{
// FSecure's public key
i = 0;
do
{
i++;
}while (len > i && buf[i] != unchecked ((int)(0x0a)));
if (len <= i)
{
return;
}
while (i < len)
{
if (buf[i] == unchecked ((int)(0x0a)))
{
bool inheader = false;
for (int j = i + 1; j < len; j++)
{
if (buf[j] == unchecked ((int)(0x0a)))
{
break;
}
if (buf[j] == ':')
{
inheader = true;
break;
}
}
if (!inheader)
{
i++;
break;
}
}
i++;
}
if (len <= i)
{
return;
}
start = i;
while (i < len)
{
if (buf[i] == unchecked ((int)(0x0a)))
{
System.Array.Copy(buf, i + 1, buf, i, len - i - 1);
len--;
continue;
}
if (buf[i] == '-')
{
break;
}
i++;
}
publickeyblob = Util.FromBase64(buf, start, i - start);
if (type == UNKNOWN && publickeyblob.Length > 8)
{
if (publickeyblob[8] == 'd')
{
type = DSS;
}
else
{
if (publickeyblob[8] == 'r')
{
type = RSA;
}
}
}
}
else
{
if (buf[0] != 's' || buf[1] != 's' || buf[2] != 'h' || buf[3] != '-')
{
return;
}
i = 0;
while (i < len)
{
if (buf[i] == ' ')
{
break;
}
i++;
}
i++;
if (i >= len)
{
return;
}
start = i;
while (i < len)
{
if (buf[i] == ' ' || buf[i] == '\n')
{
break;
}
i++;
}
publickeyblob = Util.FromBase64(buf, start, i - start);
if (publickeyblob.Length < 4 + 7)
{
// It must start with "ssh-XXX".
if (JSch.GetLogger().IsEnabled(Logger.WARN))
{
JSch.GetLogger().Log(Logger.WARN, "failed to parse the public key");
}
publickeyblob = null;
}
}
}
catch (Exception e)
{
//System.err.println("IdentityFile: "+e);
if (e is JSchException)
{
throw (JSchException)e;
}
if (e is Exception)
{
throw new JSchException(e.ToString(), (Exception)e);
}
throw new JSchException(e.ToString());
}
}
protected internal static string[] Guess(byte[] I_S, byte[] I_C)
{
string[] guess = new string[PROPOSAL_MAX];
Buffer sb = new Buffer(I_S);
sb.SetOffSet(17);
Buffer cb = new Buffer(I_C);
cb.SetOffSet(17);
for (int i = 0; i < PROPOSAL_MAX; i++)
{
byte[] sp = sb.GetString();
// server proposal
byte[] cp = cb.GetString();
// client proposal
int j = 0;
int k = 0;
while (j < cp.Length)
{
while (j < cp.Length && cp[j] != ',')
{
j++;
}
if (k == j)
{
return(null);
}
string algorithm = Util.Byte2str(cp, k, j - k);
int l = 0;
int m = 0;
while (l < sp.Length)
{
while (l < sp.Length && sp[l] != ',')
{
l++;
}
if (m == l)
{
return(null);
}
if (algorithm.Equals(Util.Byte2str(sp, m, l - m)))
{
guess[i] = algorithm;
goto loop_break;
}
l++;
m = l;
}
j++;
k = j;
loop_continue :;
}
loop_break :;
if (j == 0)
{
guess[i] = string.Empty;
}
else
{
if (guess[i] == null)
{
return(null);
}
}
}
if (JSch.GetLogger().IsEnabled(Logger.INFO))
{
JSch.GetLogger().Log(Logger.INFO, "kex: server->client" + " " + guess[PROPOSAL_ENC_ALGS_STOC
] + " " + guess[PROPOSAL_MAC_ALGS_STOC] + " " + guess[PROPOSAL_COMP_ALGS_STOC]);
JSch.GetLogger().Log(Logger.INFO, "kex: client->server" + " " + guess[PROPOSAL_ENC_ALGS_CTOS
] + " " + guess[PROPOSAL_MAC_ALGS_CTOS] + " " + guess[PROPOSAL_COMP_ALGS_CTOS]);
}
// for(int i=0; i<PROPOSAL_MAX; i++){
// System.err.println("guess: ["+guess[i]+"]");
// }
return(guess);
}
/// <exception cref="System.Exception"></exception>
public override bool Next(Buffer _buf)
{
int i;
int j;
switch (state)
{
case SSH_MSG_KEX_DH_GEX_GROUP:
{
// byte SSH_MSG_KEX_DH_GEX_GROUP(31)
// mpint p, safe prime
// mpint g, generator for subgroup in GF (p)
_buf.GetInt();
_buf.GetByte();
j = _buf.GetByte();
if (j != SSH_MSG_KEX_DH_GEX_GROUP)
{
System.Console.Error.WriteLine("type: must be SSH_MSG_KEX_DH_GEX_GROUP " + j);
return(false);
}
p = _buf.GetMPInt();
g = _buf.GetMPInt();
dh.SetP(p);
dh.SetG(g);
// The client responds with:
// byte SSH_MSG_KEX_DH_GEX_INIT(32)
// mpint e <- g^x mod p
// x is a random number (1 < x < (p-1)/2)
e = dh.GetE();
packet.Reset();
buf.PutByte(unchecked ((byte)SSH_MSG_KEX_DH_GEX_INIT));
buf.PutMPInt(e);
session.Write(packet);
if (JSch.GetLogger().IsEnabled(Logger.INFO))
{
JSch.GetLogger().Log(Logger.INFO, "SSH_MSG_KEX_DH_GEX_INIT sent");
JSch.GetLogger().Log(Logger.INFO, "expecting SSH_MSG_KEX_DH_GEX_REPLY");
}
state = SSH_MSG_KEX_DH_GEX_REPLY;
return(true);
}
case SSH_MSG_KEX_DH_GEX_REPLY:
{
//break;
// The server responds with:
// byte SSH_MSG_KEX_DH_GEX_REPLY(33)
// string server public host key and certificates (K_S)
// mpint f
// string signature of H
j = _buf.GetInt();
j = _buf.GetByte();
j = _buf.GetByte();
if (j != SSH_MSG_KEX_DH_GEX_REPLY)
{
System.Console.Error.WriteLine("type: must be SSH_MSG_KEX_DH_GEX_REPLY " + j);
return(false);
}
K_S = _buf.GetString();
// K_S is server_key_blob, which includes ....
// string ssh-dss
// impint p of dsa
// impint q of dsa
// impint g of dsa
// impint pub_key of dsa
//System.err.print("K_S: "); dump(K_S, 0, K_S.length);
byte[] f = _buf.GetMPInt();
byte[] sig_of_H = _buf.GetString();
dh.SetF(f);
K = dh.GetK();
//The hash H is computed as the HASH hash of the concatenation of the
//following:
// string V_C, the client's version string (CR and NL excluded)
// string V_S, the server's version string (CR and NL excluded)
// string I_C, the payload of the client's SSH_MSG_KEXINIT
// string I_S, the payload of the server's SSH_MSG_KEXINIT
// string K_S, the host key
// uint32 min, minimal size in bits of an acceptable group
// uint32 n, preferred size in bits of the group the server should send
// uint32 max, maximal size in bits of an acceptable group
// mpint p, safe prime
// mpint g, generator for subgroup
// mpint e, exchange value sent by the client
// mpint f, exchange value sent by the server
// mpint K, the shared secret
// This value is called the exchange hash, and it is used to authenti-
// cate the key exchange.
buf.Reset();
buf.PutString(V_C);
buf.PutString(V_S);
buf.PutString(I_C);
buf.PutString(I_S);
buf.PutString(K_S);
buf.PutInt(min);
buf.PutInt(preferred);
buf.PutInt(max);
buf.PutMPInt(p);
buf.PutMPInt(g);
buf.PutMPInt(e);
buf.PutMPInt(f);
buf.PutMPInt(K);
byte[] foo = new byte[buf.GetLength()];
buf.GetByte(foo);
sha.Update(foo, 0, foo.Length);
H = sha.Digest();
// System.err.print("H -> "); dump(H, 0, H.length);
i = 0;
j = 0;
j = ((K_S[i++] << 24) & unchecked ((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked (
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked ((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked ((int)(0x000000ff)));
string alg = Util.Byte2str(K_S, i, j);
i += j;
bool result = false;
if (alg.Equals("ssh-rsa"))
{
byte[] tmp;
byte[] ee;
byte[] n;
type = RSA;
j = ((K_S[i++] << 24) & unchecked ((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked (
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked ((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked ((int)(0x000000ff)));
tmp = new byte[j];
System.Array.Copy(K_S, i, tmp, 0, j);
i += j;
ee = tmp;
j = ((K_S[i++] << 24) & unchecked ((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked (
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked ((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked ((int)(0x000000ff)));
tmp = new byte[j];
System.Array.Copy(K_S, i, tmp, 0, j);
i += j;
n = tmp;
// SignatureRSA sig=new SignatureRSA();
// sig.init();
NSch.SignatureRSA sig = null;
try
{
Type c = Sharpen.Runtime.GetType(session.GetConfig("signature.rsa"));
sig = (NSch.SignatureRSA)(System.Activator.CreateInstance(c));
sig.Init();
}
catch (Exception ex)
{
System.Console.Error.WriteLine(ex);
}
sig.SetPubKey(ee, n);
sig.Update(H);
result = sig.Verify(sig_of_H);
if (JSch.GetLogger().IsEnabled(Logger.INFO))
{
JSch.GetLogger().Log(Logger.INFO, "ssh_rsa_verify: signature " + result);
}
}
else
{
if (alg.Equals("ssh-dss"))
{
byte[] q = null;
byte[] tmp;
type = DSS;
j = ((K_S[i++] << 24) & unchecked ((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked (
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked ((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked ((int)(0x000000ff)));
tmp = new byte[j];
System.Array.Copy(K_S, i, tmp, 0, j);
i += j;
p = tmp;
j = ((K_S[i++] << 24) & unchecked ((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked (
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked ((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked ((int)(0x000000ff)));
tmp = new byte[j];
System.Array.Copy(K_S, i, tmp, 0, j);
i += j;
q = tmp;
j = ((K_S[i++] << 24) & unchecked ((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked (
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked ((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked ((int)(0x000000ff)));
tmp = new byte[j];
System.Array.Copy(K_S, i, tmp, 0, j);
i += j;
g = tmp;
j = ((K_S[i++] << 24) & unchecked ((int)(0xff000000))) | ((K_S[i++] << 16) & unchecked (
(int)(0x00ff0000))) | ((K_S[i++] << 8) & unchecked ((int)(0x0000ff00))) | ((K_S[i
++]) & unchecked ((int)(0x000000ff)));
tmp = new byte[j];
System.Array.Copy(K_S, i, tmp, 0, j);
i += j;
f = tmp;
// SignatureDSA sig=new SignatureDSA();
// sig.init();
NSch.SignatureDSA sig = null;
try
{
Type c = Sharpen.Runtime.GetType(session.GetConfig("signature.dss"));
sig = (NSch.SignatureDSA)(System.Activator.CreateInstance(c));
sig.Init();
}
catch (Exception ex)
{
System.Console.Error.WriteLine(ex);
}
sig.SetPubKey(f, p, q, g);
sig.Update(H);
result = sig.Verify(sig_of_H);
if (JSch.GetLogger().IsEnabled(Logger.INFO))
{
JSch.GetLogger().Log(Logger.INFO, "ssh_dss_verify: signature " + result);
}
}
else
{
System.Console.Error.WriteLine("unknown alg");
}
}
state = STATE_END;
return(result);
}
}
return(false);
}