internal static string GetFingerPrint(HASH hash, byte[] data)
{
try
{
hash.Init();
hash.Update(data, 0, data.Length);
byte[] foo = hash.Digest();
StringBuilder sb = new StringBuilder();
int bar;
for (int i = 0; i < foo.Length; i++)
{
bar = foo[i] & unchecked ((int)(0xff));
sb.Append(chars[((int)(((uint)bar) >> 4)) & unchecked ((int)(0xf))]);
sb.Append(chars[(bar) & unchecked ((int)(0xf))]);
if (i + 1 < foo.Length)
{
sb.Append(":");
}
}
return(sb.ToString());
}
catch (Exception)
{
return("???");
}
}
/* Initialize RNG with some real entropy from some external source */
public virtual void seed(int rawlen, sbyte[] raw)
{ // initialise from at least 128 byte string of raw random entropy
int i;
sbyte[] digest;
sbyte[] b = new sbyte[4];
HASH sh = new HASH();
pool_ptr = 0;
for (i = 0; i < NK; i++)
{
ira[i] = 0;
}
if (rawlen > 0)
{
for (i = 0; i < rawlen; i++)
{
sh.process(raw[i]);
}
digest = sh.hash();
/* initialise PRNG from distilled randomness */
for (i = 0; i < 8; i++)
{
b[0] = digest[4 * i];
b[1] = digest[4 * i + 1];
b[2] = digest[4 * i + 2];
b[3] = digest[4 * i + 3];
sirand(pack(b));
}
}
fill_pool();
}
/* IEEE1363 ECDSA Signature Verification. Signature C and D on F is verified using public key W */
public static int ECPVP_DSA(sbyte[] W, sbyte[] F, sbyte[] C, sbyte[] D)
{
BIG r, gx, gy, f, c, d, h2;
int res = 0;
ECP G, WP, P;
HASH H = new HASH();
H.process_array(F);
sbyte[] B = H.hash();
gx = new BIG(ROM.CURVE_Gx);
gy = new BIG(ROM.CURVE_Gy);
G = new ECP(gx, gy);
r = new BIG(ROM.CURVE_Order);
c = BIG.fromBytes(C);
d = BIG.fromBytes(D);
f = BIG.fromBytes(B);
if (c.iszilch() || BIG.comp(c, r) >= 0 || d.iszilch() || BIG.comp(d, r) >= 0)
{
res = INVALID;
}
if (res == 0)
{
d.invmodp(r);
f.copy(BIG.modmul(f, d, r));
h2 = BIG.modmul(c, d, r);
WP = ECP.fromBytes(W);
if (WP.is_infinity())
{
res = ERROR;
}
else
{
P = new ECP();
P.copy(WP);
P = P.mul2(h2, G, f);
if (P.is_infinity())
{
res = INVALID;
}
else
{
d = P.X;
d.mod(r);
if (BIG.comp(d, c) != 0)
{
res = INVALID;
}
}
}
}
return(res);
}
public static string getFingerPrint(HASH hash, byte[] data)
{
try
{
hash.init();
hash.update(data, 0, data.Length);
byte[] foo = hash.digest();
StringBuilder sb = new StringBuilder();
int bar;
for (int i = 0; i < foo.Length; i++)
{
bar = foo[i] & 0xff;
sb.Append(chars[(((uint)bar) >> 4) & 0xf]);
sb.Append(chars[(bar) & 0xf]);
if (i + 1 < foo.Length)
{
sb.Append(":");
}
}
return(sb.ToString());
}
catch //(Exception e)
{
return("???");
}
}
byte[] genKey(byte[] passphrase, byte[] iv)
{
if (cipher == null)
{
cipher = genCipher();
}
if (hash == null)
{
hash = genHash();
}
byte[] key = new byte[cipher.getBlockSize()];
int hsize = hash.getBlockSize();
byte[] hn = new byte[key.Length / hsize * hsize +
(key.Length % hsize == 0 ? 0 : hsize)];
try
{
byte[] tmp = null;
if (vendor == VENDOR_OPENSSH)
{
for (int index = 0; index + hsize <= hn.Length;)
{
if (tmp != null)
{
hash.update(tmp, 0, tmp.Length);
}
hash.update(passphrase, 0, passphrase.Length);
hash.update(iv, 0, iv.Length);
tmp = hash.digest();
Array.Copy(tmp, 0, hn, index, tmp.Length);
index += tmp.Length;
}
Array.Copy(hn, 0, key, 0, key.Length);
}
else if (vendor == VENDOR_FSECURE)
{
for (int index = 0; index + hsize <= hn.Length;)
{
if (tmp != null)
{
hash.update(tmp, 0, tmp.Length);
}
hash.update(passphrase, 0, passphrase.Length);
tmp = hash.digest();
Array.Copy(tmp, 0, hn, index, tmp.Length);
index += tmp.Length;
}
Array.Copy(hn, 0, key, 0, key.Length);
}
}
catch (Exception e)
{
Console.Error.WriteLine(e);
}
return(key);
}
/* IEEE ECDSA Signature, C and D are signature on F using private key S */
public static int ECPSP_DSA(RAND RNG, sbyte[] S, sbyte[] F, sbyte[] C, sbyte[] D)
{
sbyte[] T = new sbyte[EFS];
BIG gx, gy, r, s, f, c, d, u, vx;
ECP G, V;
HASH H = new HASH();
H.process_array(F);
sbyte[] B = H.hash();
gx = new BIG(ROM.CURVE_Gx);
gy = new BIG(ROM.CURVE_Gy);
G = new ECP(gx, gy);
r = new BIG(ROM.CURVE_Order);
s = BIG.fromBytes(S);
f = BIG.fromBytes(B);
c = new BIG(0);
d = new BIG(0);
V = new ECP();
do
{
u = BIG.randomnum(r, RNG);
V.copy(G);
V = V.mul(u);
vx = V.X;
c.copy(vx);
c.mod(r);
if (c.iszilch())
{
continue;
}
u.invmodp(r);
d.copy(BIG.modmul(s, c, r));
d.add(f);
d.copy(BIG.modmul(u, d, r));
} while (d.iszilch());
c.toBytes(T);
for (int i = 0; i < EFS; i++)
{
C[i] = T[i];
}
d.toBytes(T);
for (int i = 0; i < EFS; i++)
{
D[i] = T[i];
}
return(0);
}
private void fill_pool()
{
HASH sh = new HASH();
for (int i = 0; i < 128; i++)
{
sh.process(sbrand());
}
pool = sh.hash();
pool_ptr = 0;
}
public string getFingerPrint(JSch jsch)
{
HASH hash = null;
try
{
Type c = Type.GetType(JSch.getConfig("md5"));
hash = (HASH)(c.newInstance());
}
catch (Exception e) { Console.Error.WriteLine("getFingerPrint: " + e); }
return(Util.getFingerPrint(hash, key));
}
public const int TRAP = 200; // 200 for 4 digit PIN, 2000 for 6-digit PIN - approx 2*sqrt(MAXPIN)
/* Hash number (optional) and string to point on curve */
public static sbyte[] hashit(int n, sbyte[] ID)
{
HASH H = new HASH();
if (n != 0)
{
H.process_num(n);
}
H.process_array(ID);
sbyte[] h = H.hash();
return(h);
}
public string getFingerPrint()
{
if (hash == null)
{
hash = genHash();
}
byte[] kblob = getPublicKeyBlob();
if (kblob == null)
{
return(null);
}
return(getKeySize() + " " + Util.getFingerPrint(hash, kblob));
}
private HASH genHash()
{
try
{
Type c = Type.GetType(JSch.getConfig("md5"));
hash = (HASH)(c.newInstance());
hash.init();
}
catch //(Exception e)
{
}
return(hash);
}
public virtual string GetFingerPrint()
{
if (hash == null)
{
hash = GenHash();
}
byte[] kblob = GetPublicKeyBlob();
if (kblob == null)
{
return(null);
}
return(GetKeySize() + " " + Util.GetFingerPrint(hash, kblob));
}
private HASH GenHash()
{
try
{
Type c = Sharpen.Runtime.GetType(JSch.GetConfig("md5"));
hash = (HASH)(System.Activator.CreateInstance(c));
hash.Init();
}
catch (Exception)
{
}
return(hash);
}
public virtual string GetFingerPrint(JSch jsch)
{
HASH hash = null;
try
{
Type c = Sharpen.Runtime.GetType(JSch.GetConfig("md5"));
hash = (HASH)(System.Activator.CreateInstance(c));
}
catch (Exception e)
{
System.Console.Error.WriteLine("getFingerPrint: " + e);
}
return(Util.GetFingerPrint(hash, key));
}
/* Key Derivation Functions */
/* Input octet Z */
/* Output key of length olen */
public static sbyte[] KDF1(sbyte[] Z, int olen)
{
/* NOTE: the parameter olen is the length of the output K in bytes */
HASH H = new HASH();
int hlen = HASH.len;
sbyte[] K = new sbyte[olen];
sbyte[] B;
int counter, cthreshold, k = 0;
for (int i = 0; i < K.Length; i++)
{
K[i] = 0;
}
cthreshold = olen / hlen;
if (olen % hlen != 0)
{
cthreshold++;
}
for (counter = 0; counter < cthreshold; counter++)
{
H.process_array(Z);
if (counter > 0)
{
H.process_num(counter);
}
B = H.hash();
if (k + hlen > olen)
{
for (int i = 0; i < olen % hlen; i++)
{
K[k++] = B[i];
}
}
else
{
for (int i = 0; i < hlen; i++)
{
K[k++] = B[i];
}
}
}
return(K);
}
/* Mask Generation Function */
public static void MGF1(sbyte[] Z, int olen, sbyte[] K)
{
HASH H = new HASH();
int hlen = HASH.len;
sbyte[] B = new sbyte[hlen];
int counter, cthreshold, k = 0;
for (int i = 0; i < K.Length; i++)
{
K[i] = 0;
}
cthreshold = olen / hlen;
if (olen % hlen != 0)
{
cthreshold++;
}
for (counter = 0; counter < cthreshold; counter++)
{
H.process_array(Z);
H.process_num(counter);
B = H.hash();
if (k + hlen > olen)
{
for (int i = 0; i < olen % hlen; i++)
{
K[k++] = B[i];
}
}
else
{
for (int i = 0; i < hlen; i++)
{
K[k++] = B[i];
}
}
}
}
public void Test_CTF()
{
byte[] source_buf = File.ReadAllBytes("testdata/Message.ctf");
var target = new CTF.File(new ByteReader(source_buf));
Assert.AreEqual(3204, target.Messages.Count);
Assert.AreEqual("UniCastle", target.GetMessage(0, 6, 312).Text);
Assert.AreEqual("Frost Staff@", target.GetMessage(4, 4, 22).Text);
Assert.AreEqual(10, target.Categories.Count);
Assert.AreEqual("Skills", target.Categories[2].Name);
Assert.AreEqual("Items1:Weapons", target.Categories[4].Name);
Assert.AreEqual("Kitara", target.Categories[2][7].Name);
Assert.AreEqual("Wand", target.Categories[4][4].Name);
Assert.AreEqual(
HASH.SHA256(new MemoryStream(source_buf)),
HASH.SHA256(new MemoryStream(target.Save(
new ByteWriter()).ToByteArray())));
}
public virtual string GetFingerPrint()
{
if (hash == null)
{
hash = GenHash();
}
byte[] kblob = GetPublicKeyBlob();
if (kblob == null)
{
return null;
}
return GetKeySize() + " " + Util.GetFingerPrint(hash, kblob);
}
/* OAEP Message Encoding for Encryption */
public static sbyte[] OAEP_ENCODE(sbyte[] m, RAND rng, sbyte[] p)
{
int i, slen, olen = RFS - 1;
int mlen = m.Length;
int hlen, seedlen;
sbyte[] f = new sbyte[RFS];
HASH H = new HASH();
hlen = HASH.len;
sbyte[] SEED = new sbyte[hlen];
seedlen = hlen;
if (mlen > olen - hlen - seedlen - 1)
{
return(new sbyte[0]);
}
sbyte[] DBMASK = new sbyte[olen - seedlen];
if (p != null)
{
H.process_array(p);
}
sbyte[] h = H.hash();
for (i = 0; i < hlen; i++)
{
f[i] = h[i];
}
slen = olen - mlen - hlen - seedlen - 1;
for (i = 0; i < slen; i++)
{
f[hlen + i] = 0;
}
f[hlen + slen] = 1;
for (i = 0; i < mlen; i++)
{
f[hlen + slen + 1 + i] = m[i];
}
for (i = 0; i < seedlen; i++)
{
SEED[i] = (sbyte)rng.Byte;
}
MGF1(SEED, olen - seedlen, DBMASK);
for (i = 0; i < olen - seedlen; i++)
{
DBMASK[i] ^= f[i];
}
MGF1(DBMASK, seedlen, f);
for (i = 0; i < seedlen; i++)
{
f[i] ^= SEED[i];
}
for (i = 0; i < olen - seedlen; i++)
{
f[i + seedlen] = DBMASK[i];
}
/* pad to length RFS */
int d = 1;
for (i = RFS - 1; i >= d; i--)
{
f[i] = f[i - d];
}
for (i = d - 1; i >= 0; i--)
{
f[i] = 0;
}
return(f);
}
byte[] genKey(byte[] passphrase, byte[] iv)
{
if (cipher == null) cipher = genCipher();
if (hash == null) hash = genHash();
byte[] key = new byte[cipher.getBlockSize()];
int hsize = hash.getBlockSize();
byte[] hn = new byte[key.Length / hsize * hsize +
(key.Length % hsize == 0 ? 0 : hsize)];
try
{
byte[] tmp = null;
if (vendor == VENDOR_OPENSSH)
{
for (int index = 0; index + hsize <= hn.Length; )
{
if (tmp != null) { hash.update(tmp, 0, tmp.Length); }
hash.update(passphrase, 0, passphrase.Length);
hash.update(iv, 0, iv.Length);
tmp = hash.digest();
Array.Copy(tmp, 0, hn, index, tmp.Length);
index += tmp.Length;
}
Array.Copy(hn, 0, key, 0, key.Length);
}
else if (vendor == VENDOR_FSECURE)
{
for (int index = 0; index + hsize <= hn.Length; )
{
if (tmp != null) { hash.update(tmp, 0, tmp.Length); }
hash.update(passphrase, 0, passphrase.Length);
tmp = hash.digest();
Array.Copy(tmp, 0, hn, index, tmp.Length);
index += tmp.Length;
}
Array.Copy(hn, 0, key, 0, key.Length);
}
}
catch (Exception e)
{
Console.Error.WriteLine(e);
}
return key;
}
internal static string GetFingerPrint(HASH hash, byte[] data)
{
try
{
hash.Init();
hash.Update(data, 0, data.Length);
byte[] foo = hash.Digest();
StringBuilder sb = new StringBuilder();
int bar;
for (int i = 0; i < foo.Length; i++)
{
bar = foo[i] & unchecked((int)(0xff));
sb.Append(chars[((int)(((uint)bar) >> 4)) & unchecked((int)(0xf))]);
sb.Append(chars[(bar) & unchecked((int)(0xf))]);
if (i + 1 < foo.Length)
{
sb.Append(":");
}
}
return sb.ToString();
}
catch (Exception)
{
return "???";
}
}
/* Calculate HMAC of m using key k. HMAC is tag of length olen */
public static int HMAC(sbyte[] M, sbyte[] K, sbyte[] tag)
{
/* Input is from an octet m *
* olen is requested output length in bytes. k is the key *
* The output is the calculated tag */
int b;
sbyte[] B;
sbyte[] K0 = new sbyte[64];
int olen = tag.Length;
b = K0.Length;
if (olen < 4 || olen > HASH.len)
{
return(0);
}
for (int i = 0; i < b; i++)
{
K0[i] = 0;
}
HASH H = new HASH();
if (K.Length > b)
{
H.process_array(K);
B = H.hash();
for (int i = 0; i < 32; i++)
{
K0[i] = B[i];
}
}
else
{
for (int i = 0; i < K.Length; i++)
{
K0[i] = K[i];
}
}
for (int i = 0; i < b; i++)
{
K0[i] ^= 0x36;
}
H.process_array(K0);
H.process_array(M);
B = H.hash();
for (int i = 0; i < b; i++)
{
K0[i] ^= 0x6a;
}
H.process_array(K0);
H.process_array(B);
B = H.hash();
for (int i = 0; i < olen; i++)
{
tag[i] = B[i];
}
return(1);
}
/// <exception cref="NSch.JSchException"></exception>
private IdentityFile(string name, byte[] prvkey, byte[] pubkey, JSch jsch)
{
this.identity = name;
this.jsch = jsch;
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] == '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 cipher2 = Util.Byte2str(_cipher);
//System.err.println("cipher: "+cipher);
if (cipher2.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 (cipher2.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());
}
}
/* OAEP Message Decoding for Decryption */
public static sbyte[] OAEP_DECODE(sbyte[] p, sbyte[] f)
{
int x, t;
bool comp;
int i, k, olen = RFS - 1;
int hlen, seedlen;
HASH H = new HASH();
hlen = HASH.len;
sbyte[] SEED = new sbyte[hlen];
seedlen = hlen;
sbyte[] CHASH = new sbyte[hlen];
if (olen < seedlen + hlen + 1)
{
return(new sbyte[0]);
}
sbyte[] DBMASK = new sbyte[olen - seedlen];
for (i = 0; i < olen - seedlen; i++)
{
DBMASK[i] = 0;
}
if (f.Length < RFS)
{
int d = RFS - f.Length;
for (i = RFS - 1; i >= d; i--)
{
f[i] = f[i - d];
}
for (i = d - 1; i >= 0; i--)
{
f[i] = 0;
}
}
if (p != null)
{
H.process_array(p);
}
sbyte[] h = H.hash();
for (i = 0; i < hlen; i++)
{
CHASH[i] = h[i];
}
x = f[0];
for (i = seedlen; i < olen; i++)
{
DBMASK[i - seedlen] = f[i + 1];
}
MGF1(DBMASK, seedlen, SEED);
for (i = 0; i < seedlen; i++)
{
SEED[i] ^= f[i + 1];
}
MGF1(SEED, olen - seedlen, f);
for (i = 0; i < olen - seedlen; i++)
{
DBMASK[i] ^= f[i];
}
comp = true;
for (i = 0; i < hlen; i++)
{
if (CHASH[i] != DBMASK[i])
{
comp = false;
}
}
for (i = 0; i < olen - seedlen - hlen; i++)
{
DBMASK[i] = DBMASK[i + hlen];
}
for (i = 0; i < hlen; i++)
{
SEED[i] = CHASH[i] = 0;
}
for (k = 0;; k++)
{
if (k >= olen - seedlen - hlen)
{
return(new sbyte[0]);
}
if (DBMASK[k] != 0)
{
break;
}
}
t = DBMASK[k];
if (!comp || x != 0 || t != 0x01)
{
for (i = 0; i < olen - seedlen; i++)
{
DBMASK[i] = 0;
}
return(new sbyte[0]);
}
sbyte[] r = new sbyte[olen - seedlen - hlen - k - 1];
for (i = 0; i < olen - seedlen - hlen - k - 1; i++)
{
r[i] = DBMASK[i + k + 1];
}
for (i = 0; i < olen - seedlen; i++)
{
DBMASK[i] = 0;
}
return(r);
}
public static string getFingerPrint(HASH hash, byte[] data)
{
try
{
hash.init();
hash.update(data, 0, data.Length);
byte[] foo = hash.digest();
StringBuilder sb = new StringBuilder();
int bar;
for (int i = 0; i < foo.Length; i++)
{
bar = foo[i] & 0xff;
sb.Append(chars[(((uint)bar) >> 4) & 0xf]);
sb.Append(chars[(bar) & 0xf]);
if (i + 1 < foo.Length)
sb.Append(":");
}
return sb.ToString();
}
catch //(Exception e)
{
return "???";
}
}
/* calculate common key on server side */
/* Z=r.A - no time permits involved */
public static int SERVER_KEY(sbyte[] Z, sbyte[] SST, sbyte[] W, sbyte[] xID, sbyte[] xCID, sbyte[] SK)
{
HASH H = new HASH();
sbyte[] t = new sbyte[EFS];
ECP2 sQ = ECP2.fromBytes(SST);
if (sQ.is_infinity())
{
return(INVALID_POINT);
}
ECP R = ECP.fromBytes(Z);
if (R.is_infinity())
{
return(INVALID_POINT);
}
ECP U;
if (xCID != null)
{
U = ECP.fromBytes(xCID);
}
else
{
U = ECP.fromBytes(xID);
}
if (U.is_infinity())
{
return(INVALID_POINT);
}
BIG w = BIG.fromBytes(W);
U = PAIR.G1mul(U, w);
FP12 g = PAIR.ate(sQ, R);
g = PAIR.fexp(g);
FP4 c = g.trace();
c.geta().A.toBytes(t);
H.process_array(t);
c.geta().B.toBytes(t);
H.process_array(t);
c.getb().A.toBytes(t);
H.process_array(t);
c.getb().B.toBytes(t);
H.process_array(t);
U.X.toBytes(t);
H.process_array(t);
U.Y.toBytes(t);
H.process_array(t);
t = H.hash();
for (int i = 0; i < PAS; i++)
{
SK[i] = t[i];
}
return(0);
}
static void Main(string[] args)
{
HASH hash = new HASH();
int opcion;
Menu();
void Menu()
{
Console.WriteLine("MENÚ BUSQUEDA HASH" + '\n');
Console.WriteLine("1. Generar arreglo K");
Console.WriteLine("2. Desplegar arreglo K");
Console.WriteLine("3. Generar direcciones");
Console.WriteLine("4. Desplegar vector V y Buscar un elemento");
Console.WriteLine("5. Salir del Programa");
Console.Write('\n' + "Seleccione una opción: ");
opcion = int.Parse(Console.ReadLine());
switch (opcion)
{
case 1: opcion = 1;
{
Console.Clear();
hash.Generar();
hash.InicializarV();
Console.WriteLine("Arreglo generado con éxito");
Console.ReadKey();
Console.Clear();
Menu();
break;
}
case 2: opcion = 2;
{
Console.Clear();
Console.WriteLine("ARREGLO: " + '\n');
hash.Imprimir();
Console.ReadKey();
Console.Clear();
Menu();
break;
}
case 3: opcion = 3;
{
Console.Clear();
hash.AsignarDireccion();
Console.WriteLine("Direcciones asignadas con éxito");
Console.ReadKey();
Console.Clear();
Menu();
break;
}
case 4: opcion = 4;
{
Console.Clear();
hash.ImprimirDireccion();
Console.WriteLine('\n');
hash.Buscar();
Console.ReadKey();
Console.Clear();
Menu();
break;
}
case 5: opcion = 5;
{
Console.Clear();
Console.WriteLine("Presione cualquier tecla para continuar");
Console.ReadKey();
break;
}
}
}
}
public string getFingerPrint()
{
if (hash == null) hash = genHash();
byte[] kblob = getPublicKeyBlob();
if (kblob == null) return null;
return getKeySize() + " " + Util.getFingerPrint(hash, kblob);
}
private HASH genHash()
{
try
{
Type c = Type.GetType(JSch.getConfig("md5"));
hash = (HASH)(c.newInstance());
hash.init();
}
catch //(Exception e)
{
}
return hash;
}
/// <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());
}
}
/* calculate common key on client side */
/* wCID = w.(A+AT) */
public static int CLIENT_KEY(sbyte[] G1, sbyte[] G2, int pin, sbyte[] R, sbyte[] X, sbyte[] wCID, sbyte[] CK)
{
HASH H = new HASH();
sbyte[] t = new sbyte[EFS];
FP12 g1 = FP12.fromBytes(G1);
FP12 g2 = FP12.fromBytes(G2);
BIG z = BIG.fromBytes(R);
BIG x = BIG.fromBytes(X);
ECP W = ECP.fromBytes(wCID);
if (W.is_infinity())
{
return(INVALID_POINT);
}
W = PAIR.G1mul(W, x);
FP2 f = new FP2(new BIG(ROM.CURVE_Fra), new BIG(ROM.CURVE_Frb));
BIG r = new BIG(ROM.CURVE_Order);
BIG q = new BIG(ROM.Modulus);
BIG m = new BIG(q);
m.mod(r);
BIG a = new BIG(z);
a.mod(m);
BIG b = new BIG(z);
b.div(m);
g2.pinpow(pin, PBLEN);
g1.mul(g2);
FP4 c = g1.trace();
g2.copy(g1);
g2.frob(f);
FP4 cp = g2.trace();
g1.conj();
g2.mul(g1);
FP4 cpm1 = g2.trace();
g2.mul(g1);
FP4 cpm2 = g2.trace();
c = c.xtr_pow2(cp, cpm1, cpm2, a, b);
c.geta().A.toBytes(t);
H.process_array(t);
c.geta().B.toBytes(t);
H.process_array(t);
c.getb().A.toBytes(t);
H.process_array(t);
c.getb().B.toBytes(t);
H.process_array(t);
W.X.toBytes(t);
H.process_array(t);
W.Y.toBytes(t);
H.process_array(t);
t = H.hash();
for (int i = 0; i < PAS; i++)
{
CK[i] = t[i];
}
return(0);
}
// Does a hash check and fails if the two byte buffers are not identical.
public static void CompareFiles(byte[] file, ByteWriter bw)
{
Assert.AreEqual(HASH.SHA256(new MemoryStream(file)),
HASH.SHA256(new MemoryStream(bw.ToByteArray())));
}
private HASH GenHash()
{
try
{
Type c = Sharpen.Runtime.GetType(JSch.GetConfig("md5"));
hash = (HASH)(System.Activator.CreateInstance(c));
hash.Init();
}
catch (Exception)
{
}
return hash;
}
internal virtual byte[] GenKey(byte[] passphrase, byte[] iv)
{
lock (this)
{
if (cipher == null)
{
cipher = GenCipher();
}
if (hash == null)
{
hash = GenHash();
}
byte[] key = new byte[cipher.GetBlockSize()];
int hsize = hash.GetBlockSize();
byte[] hn = new byte[key.Length / hsize * hsize + (key.Length % hsize == 0 ? 0 :
hsize)];
try
{
byte[] tmp = null;
if (vendor == VENDOR_OPENSSH)
{
for (int index = 0; index + hsize <= hn.Length; )
{
if (tmp != null)
{
hash.Update(tmp, 0, tmp.Length);
}
hash.Update(passphrase, 0, passphrase.Length);
hash.Update(iv, 0, iv.Length);
tmp = hash.Digest();
System.Array.Copy(tmp, 0, hn, index, tmp.Length);
index += tmp.Length;
}
System.Array.Copy(hn, 0, key, 0, key.Length);
}
else
{
if (vendor == VENDOR_FSECURE)
{
for (int index = 0; index + hsize <= hn.Length; )
{
if (tmp != null)
{
hash.Update(tmp, 0, tmp.Length);
}
hash.Update(passphrase, 0, passphrase.Length);
tmp = hash.Digest();
System.Array.Copy(tmp, 0, hn, index, tmp.Length);
index += tmp.Length;
}
System.Array.Copy(hn, 0, key, 0, key.Length);
}
}
}
catch (Exception e)
{
System.Console.Error.WriteLine(e);
}
return key;
}
}
private IdentityFile(string name, byte[] prvkey, byte[] pubkey, JSch jsch)
{
this.identity = name;
this.jsch = jsch;
try
{
Type c;
c = Type.GetType((string)JSch.getConfig("3des-cbc"));
cipher = (Cipher)(c.newInstance());
key = new byte[cipher.getBlockSize()]; // 24
iv = new byte[cipher.getIVSize()]; // 8
c = Type.GetType((string)JSch.getConfig("md5"));
hash = (HASH)(c.newInstance());
hash.init();
byte[] buf = prvkey;
int len = buf.Length;
int i = 0;
while (i < len)
{
if (buf[i] == 'B' && 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
{
//Console.Error.WriteLine("invalid format: "+identity);
throw new JSchException("invalid privatekey: " + identity);
}
i += 3;
continue;
}
if (buf[i] == 'A' && 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 = Type.GetType((string)JSch.getConfig("aes256-cbc"));
cipher = (Cipher)(c.newInstance());
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] == 'C' && buf[i + 1] == 'B' && buf[i + 2] == 'C' && buf[i + 3] == ',')
{
i += 4;
for (int ii = 0; ii < iv.Length; ii++)
{
iv[ii] = (byte)(((a2b(buf[i++]) << 4) & 0xf0) +
(a2b(buf[i++]) & 0xf));
}
continue;
}
if (buf[i] == 0x0d &&
i + 1 < buf.Length && buf[i + 1] == 0x0a)
{
i++;
continue;
}
if (buf[i] == 0x0a && i + 1 < buf.Length)
{
if (buf[i + 1] == 0x0a)
{
i += 2; break;
}
if (buf[i + 1] == 0x0d &&
i + 2 < buf.Length && buf[i + 2] == 0x0a)
{
i += 3; break;
}
bool inheader = false;
for (int j = i + 1; j < buf.Length; j++)
{
if (buf[j] == 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] == 0x0a)
{
bool xd = (buf[i - 1] == 0x0d);
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 && // FSecure
encoded_data[0] == (byte)0x3f &&
encoded_data[1] == (byte)0x6f &&
encoded_data[2] == (byte)0xf9 &&
encoded_data[3] == (byte)0xeb)
{
Buffer _buf = new Buffer(encoded_data);
_buf.getInt(); // 0x3f6ff9be
_buf.getInt();
byte[] _type = _buf.getString();
//Console.Error.WriteLine("type: "+Encoding.UTF8.GetString(_type));
byte[] _cipher = _buf.getString();
string scipher = Encoding.UTF8.GetString(_cipher);
//Console.Error.WriteLine("cipher: "+cipher);
if (scipher.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 (scipher.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 && // FSecure's public key
buf[0] == '-' && buf[1] == '-' && buf[2] == '-' && buf[3] == '-')
{
i = 0;
do
{
i++;
} while (len > i && buf[i] != 0x0a);
if (len <= i)
{
return;
}
while (i < len)
{
if (buf[i] == 0x0a)
{
bool inheader = false;
for (int j = i + 1; j < len; j++)
{
if (buf[j] == 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] == 0x0a)
{
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)
{
//Console.Error.WriteLine("IdentityFile: "+e);
if (e is JSchException)
{
throw (JSchException)e;
}
throw new JSchException(e.Message, e);
}
}