public int DoFinal(byte[] output, int outOff)
{
this.finish();
for (int i = 0; i < 8; i++)
{
WhirlpoolDigest.convertLongToByteArray(this._hash[i], output, outOff + i * 8);
}
this.Reset();
return(this.GetDigestSize());
}
private void processFilledBuffer()
{
for (int i = 0; i < this._state.Length; i++)
{
this._block[i] = WhirlpoolDigest.bytesToLongFromBuffer(this._buffer, i * 8);
}
this.processBlock();
this._bufferPos = 0;
Array.Clear(this._buffer, 0, this._buffer.Length);
}
public WhirlpoolDigest(WhirlpoolDigest originalDigest)
{
this._rc = new long[11];
this._buffer = new byte[0x40];
this._bitCount = new short[0x20];
this._hash = new long[8];
this._K = new long[8];
this._L = new long[8];
this._block = new long[8];
this._state = new long[8];
this.Reset(originalDigest);
}
public void Reset(IMemoable other)
{
WhirlpoolDigest whirlpoolDigest = (WhirlpoolDigest)other;
Array.Copy(whirlpoolDigest._rc, 0, this._rc, 0, this._rc.Length);
Array.Copy(whirlpoolDigest._buffer, 0, this._buffer, 0, this._buffer.Length);
this._bufferPos = whirlpoolDigest._bufferPos;
Array.Copy(whirlpoolDigest._bitCount, 0, this._bitCount, 0, this._bitCount.Length);
Array.Copy(whirlpoolDigest._hash, 0, this._hash, 0, this._hash.Length);
Array.Copy(whirlpoolDigest._K, 0, this._K, 0, this._K.Length);
Array.Copy(whirlpoolDigest._L, 0, this._L, 0, this._L.Length);
Array.Copy(whirlpoolDigest._block, 0, this._block, 0, this._block.Length);
Array.Copy(whirlpoolDigest._state, 0, this._state, 0, this._state.Length);
}
public void Reset(IMemoable other)
{
WhirlpoolDigest whirlpoolDigest = (WhirlpoolDigest)other;
global::System.Array.Copy((global::System.Array)whirlpoolDigest._rc, 0, (global::System.Array)_rc, 0, _rc.Length);
global::System.Array.Copy((global::System.Array)whirlpoolDigest._buffer, 0, (global::System.Array)_buffer, 0, _buffer.Length);
_bufferPos = whirlpoolDigest._bufferPos;
global::System.Array.Copy((global::System.Array)whirlpoolDigest._bitCount, 0, (global::System.Array)_bitCount, 0, _bitCount.Length);
global::System.Array.Copy((global::System.Array)whirlpoolDigest._hash, 0, (global::System.Array)_hash, 0, _hash.Length);
global::System.Array.Copy((global::System.Array)whirlpoolDigest._K, 0, (global::System.Array)_K, 0, _K.Length);
global::System.Array.Copy((global::System.Array)whirlpoolDigest._L, 0, (global::System.Array)_L, 0, _L.Length);
global::System.Array.Copy((global::System.Array)whirlpoolDigest._block, 0, (global::System.Array)_block, 0, _block.Length);
global::System.Array.Copy((global::System.Array)whirlpoolDigest._state, 0, (global::System.Array)_state, 0, _state.Length);
}
private long[] _state = new long[8]; // the current "cipher" state
/**
* Copy constructor. This will copy the state of the provided message
* digest.
*/
public WhirlpoolDigest(WhirlpoolDigest originalDigest)
{
Array.Copy(originalDigest._rc, 0, _rc, 0, _rc.Length);
Array.Copy(originalDigest._buffer, 0, _buffer, 0, _buffer.Length);
this._bufferPos = originalDigest._bufferPos;
Array.Copy(originalDigest._bitCount, 0, _bitCount, 0, _bitCount.Length);
// -- internal hash state --
Array.Copy(originalDigest._hash, 0, _hash, 0, _hash.Length);
Array.Copy(originalDigest._K, 0, _K, 0, _K.Length);
Array.Copy(originalDigest._L, 0, _L, 0, _L.Length);
Array.Copy(originalDigest._block, 0, _block, 0, _block.Length);
Array.Copy(originalDigest._state, 0, _state, 0, _state.Length);
}
public void Reset(IMemoable other)
{
WhirlpoolDigest originalDigest = (WhirlpoolDigest)other;
Array.Copy(originalDigest._rc, 0, _rc, 0, _rc.Length);
Array.Copy(originalDigest._buffer, 0, _buffer, 0, _buffer.Length);
this._bufferPos = originalDigest._bufferPos;
Array.Copy(originalDigest._bitCount, 0, _bitCount, 0, _bitCount.Length);
// -- internal hash state --
Array.Copy(originalDigest._hash, 0, _hash, 0, _hash.Length);
Array.Copy(originalDigest._K, 0, _K, 0, _K.Length);
Array.Copy(originalDigest._L, 0, _L, 0, _L.Length);
Array.Copy(originalDigest._block, 0, _block, 0, _block.Length);
Array.Copy(originalDigest._state, 0, _state, 0, _state.Length);
}
private long[] _state = new long[8]; // the current "cipher" state
/**
* Copy constructor. This will copy the state of the provided message
* digest.
*/
public WhirlpoolDigest(WhirlpoolDigest originalDigest)
{
Reset(originalDigest);
}
static WhirlpoolDigest()
{
WhirlpoolDigest.SBOX = new int[]
{
24,
35,
198,
232,
135,
184,
1,
79,
54,
166,
210,
245,
121,
111,
145,
82,
96,
188,
155,
142,
163,
12,
123,
53,
29,
224,
215,
194,
46,
75,
254,
87,
21,
119,
55,
229,
159,
240,
74,
218,
88,
201,
41,
10,
177,
160,
107,
133,
189,
93,
16,
244,
203,
62,
5,
103,
228,
39,
65,
139,
167,
125,
149,
216,
251,
238,
124,
102,
221,
23,
71,
158,
202,
45,
191,
7,
173,
90,
131,
51,
99,
2,
170,
113,
200,
25,
73,
217,
242,
227,
91,
136,
154,
38,
50,
176,
233,
15,
213,
128,
190,
205,
52,
72,
255,
122,
144,
95,
32,
104,
26,
174,
180,
84,
147,
34,
100,
241,
115,
18,
64,
8,
195,
236,
219,
161,
141,
61,
151,
0,
207,
43,
118,
130,
214,
27,
181,
175,
106,
80,
69,
243,
48,
239,
63,
85,
162,
234,
101,
186,
47,
192,
222,
28,
253,
77,
146,
117,
6,
138,
178,
230,
14,
31,
98,
212,
168,
150,
249,
197,
37,
89,
132,
114,
57,
76,
94,
120,
56,
140,
209,
165,
226,
97,
179,
33,
156,
30,
67,
199,
252,
4,
81,
153,
109,
13,
250,
223,
126,
36,
59,
171,
206,
17,
143,
78,
183,
235,
60,
129,
148,
247,
185,
19,
44,
211,
231,
110,
196,
3,
86,
68,
127,
169,
42,
187,
193,
83,
220,
11,
157,
108,
49,
116,
246,
70,
172,
137,
20,
225,
22,
58,
105,
9,
112,
182,
208,
237,
204,
66,
152,
164,
40,
92,
248,
134
};
WhirlpoolDigest.C0 = new long[256];
WhirlpoolDigest.C1 = new long[256];
WhirlpoolDigest.C2 = new long[256];
WhirlpoolDigest.C3 = new long[256];
WhirlpoolDigest.C4 = new long[256];
WhirlpoolDigest.C5 = new long[256];
WhirlpoolDigest.C6 = new long[256];
WhirlpoolDigest.C7 = new long[256];
WhirlpoolDigest.EIGHT = new short[32];
WhirlpoolDigest.EIGHT[31] = 8;
for (int i = 0; i < 256; i++)
{
int num = WhirlpoolDigest.SBOX[i];
int num2 = WhirlpoolDigest.maskWithReductionPolynomial(num << 1);
int num3 = WhirlpoolDigest.maskWithReductionPolynomial(num2 << 1);
int num4 = num3 ^ num;
int num5 = WhirlpoolDigest.maskWithReductionPolynomial(num3 << 1);
int num6 = num5 ^ num;
WhirlpoolDigest.C0[i] = WhirlpoolDigest.packIntoLong(num, num, num3, num, num5, num4, num2, num6);
WhirlpoolDigest.C1[i] = WhirlpoolDigest.packIntoLong(num6, num, num, num3, num, num5, num4, num2);
WhirlpoolDigest.C2[i] = WhirlpoolDigest.packIntoLong(num2, num6, num, num, num3, num, num5, num4);
WhirlpoolDigest.C3[i] = WhirlpoolDigest.packIntoLong(num4, num2, num6, num, num, num3, num, num5);
WhirlpoolDigest.C4[i] = WhirlpoolDigest.packIntoLong(num5, num4, num2, num6, num, num, num3, num);
WhirlpoolDigest.C5[i] = WhirlpoolDigest.packIntoLong(num, num5, num4, num2, num6, num, num, num3);
WhirlpoolDigest.C6[i] = WhirlpoolDigest.packIntoLong(num3, num, num5, num4, num2, num6, num, num);
WhirlpoolDigest.C7[i] = WhirlpoolDigest.packIntoLong(num, num3, num, num5, num4, num2, num6, num);
}
}
private long[] _state = new long[8]; // the current "cipher" state
/**
* Copy constructor. This will copy the state of the provided message
* digest.
*/
public WhirlpoolDigest(WhirlpoolDigest originalDigest)
{
Reset(originalDigest);
}
private long[] _state = new long[8]; // the current "cipher" state
/**
* Copy constructor. This will copy the state of the provided message
* digest.
*/
public WhirlpoolDigest(WhirlpoolDigest originalDigest)
{
Array.Copy(originalDigest._rc, 0, _rc, 0, _rc.Length);
Array.Copy(originalDigest._buffer, 0, _buffer, 0, _buffer.Length);
this._bufferPos = originalDigest._bufferPos;
Array.Copy(originalDigest._bitCount, 0, _bitCount, 0, _bitCount.Length);
// -- internal hash state --
Array.Copy(originalDigest._hash, 0, _hash, 0, _hash.Length);
Array.Copy(originalDigest._K, 0, _K, 0, _K.Length);
Array.Copy(originalDigest._L, 0, _L, 0, _L.Length);
Array.Copy(originalDigest._block, 0, _block, 0, _block.Length);
Array.Copy(originalDigest._state, 0, _state, 0, _state.Length);
}
private string createHexOutputFromDigest(byte[] digestBytes)
{
string resStr;
IDigest digest = new WhirlpoolDigest();
byte[] resBuf = new byte[digest.GetDigestSize()];
digest.BlockUpdate(digestBytes, 0, digestBytes.Length);
digest.DoFinal(resBuf, 0);
resStr = Hex.ToHexString(resBuf);
return resStr;
}
/// <summary>
/// Note: Clears pool contents before returning
/// </summary>
private void CreateNewPRNG(byte[] pool)
{
if (pool == null)
{
throw new CryptographicException("Refusing to reseed with null pool");
}
try
{
if (pool.Length != PoolSize)
{
throw new CryptographicException("Refusing to reseed with invalid pool");
}
// Now, pool has been seeded, file operations are all completed, it's time to create my internal PRNG
IDigest digest;
switch (this.myRNGAlgorithm)
{
case PrngAlgorithm.MD5_128bit:
digest = new MD5Digest();
break;
case PrngAlgorithm.RIPEMD128_128bit:
digest = new RipeMD128Digest();
break;
case PrngAlgorithm.RIPEMD160_160bit:
digest = new RipeMD160Digest();
break;
case PrngAlgorithm.RIPEMD256_256bit:
digest = new RipeMD256Digest();
break;
case PrngAlgorithm.RIPEMD320_320bit:
digest = new RipeMD320Digest();
break;
case PrngAlgorithm.SHA1_160bit:
digest = new Sha1Digest();
break;
case PrngAlgorithm.SHA256_256bit:
digest = new Sha256Digest();
break;
case PrngAlgorithm.SHA512_512bit:
digest = new Sha512Digest();
break;
case PrngAlgorithm.Tiger_192bit:
digest = new TigerDigest();
break;
case PrngAlgorithm.Whirlpool_512bit:
digest = new WhirlpoolDigest();
break;
default:
throw new CryptographicException("Unknown prngAlgorithm specified: " + this.myRNGAlgorithm.ToString());
}
var drng = new DigestRandomGenerator(digest);
drng.AddSeedMaterial(pool);
this.myRNG = drng;
}
finally
{
Array.Clear(pool, 0, pool.Length);
}
}
private static void en_de_crypt(en_de_cryption_mode en_de_cryption_mode_current,
string file_path_from,
string file_path_to,
bool delete_file_path_from,
bool interactive)
{
Form form = new Form();
Label password_1_label = new Label(),
password_2_label = new Label();
int label_width = 150,
label_height = 20,
textbox_width = 200,
textbox_height = 20,
button_width = 80,
button_height = 40;
Color label_forecolor = Color.LightGreen,
password_backcolor = Color.Black,
password_forecolor = Color.LightGreen,
proceed_backcolor = Color.Black,
proceed_forecolor = Color.LightGreen,
cancel_backcolor = Color.Black,
cancel_forecolor = Color.LightGreen,
error_forecolor = Color.Red;
ContentAlignment label_text_alignment = ContentAlignment.MiddleRight,
button_text_alignment = ContentAlignment.MiddleCenter;
TextBox password_1 = new TextBox(),
password_2 = new TextBox();
char password_character = '*';
BorderStyle password_border_style = BorderStyle.Fixed3D;
Font label_font = new Font(FontFamily.GenericMonospace, (float)10.0),
password_font = new Font(FontFamily.GenericMonospace, (float)10.0),
button_font = new Font(FontFamily.GenericMonospace, (float)10.0);
Button proceed = new Button(),
cancel = new Button();
form.StartPosition = FormStartPosition.CenterParent;
form.Width = 400;
form.Height = 180;
form.BackColor = Color.Black;
form.Text = "Please, provide the password for the " +
(en_de_cryption_mode_current == en_de_cryption_mode.encrypt ?
"encryption" : "decryption") +
".";
password_1_label.Bounds = new Rectangle(10, 20, label_width, label_height);
password_1_label.Font = label_font;
password_1_label.ForeColor = label_forecolor;
password_1_label.TextAlign = label_text_alignment;
password_1_label.Text = "Password:"******"Confirm password:"******"OnClick",
BindingFlags.Instance |
BindingFlags.NonPublic)
.Invoke(cancel, new object[] { null });
if (en_de_cryption_mode_current == en_de_cryption_mode.encrypt) {
if (!string.IsNullOrEmpty(password_1.Text)) {
password_2.Enabled = true;
} else {
proceed.Enabled = false;
password_2.Text = "";
if (password_2.Enabled)
password_2.Enabled = false;
}
} else {
if (!string.IsNullOrEmpty(password_1.Text))
proceed.Enabled = true;
else
proceed.Enabled = false;
}
if ((Keys)e.KeyValue == Keys.Enter &&
!string.IsNullOrEmpty(password_1.Text)) {
if (en_de_cryption_mode_current == en_de_cryption_mode.encrypt)
password_2.Focus();
else
proceed.GetType()
.GetMethod("OnClick",
BindingFlags.Instance |
BindingFlags.NonPublic)
.Invoke(proceed,
new object[] { new KeyEventArgs(Keys.Enter) });
}
};
password_2.Bounds = new Rectangle(160, 50, textbox_width, textbox_height);
password_2.BackColor = password_backcolor;
password_2.ForeColor = password_forecolor;
password_2.BorderStyle = password_border_style;
password_2.PasswordChar = password_character;
password_2.Font = password_font;
password_2.Multiline = false;
password_2.Enabled = false;
if (en_de_cryption_mode_current == en_de_cryption_mode.encrypt)
password_2.KeyUp += (sender, e) =>
{
if ((Keys)e.KeyValue == Keys.Escape)
cancel.GetType()
.GetMethod("OnClick",
BindingFlags.Instance |
BindingFlags.NonPublic)
.Invoke(cancel, new object[] { null });
if (string.IsNullOrEmpty(password_2.Text) ||
password_1.Text.Equals(password_2.Text)) {
if (!string.IsNullOrEmpty(password_2.Text))
proceed.Enabled = true;
password_2.ForeColor = password_forecolor;
if ((Keys)e.KeyValue == Keys.Enter &&
!string.IsNullOrEmpty(password_2.Text))
proceed.GetType()
.GetMethod("OnClick",
BindingFlags.Instance |
BindingFlags.NonPublic)
.Invoke(proceed,
new object[] { new KeyEventArgs(Keys.Enter) });
} else {
proceed.Enabled = false;
password_2.ForeColor = error_forecolor;
}
};
proceed.Bounds = new Rectangle(290, 100, button_width, button_height);
proceed.BackColor = proceed_backcolor;
proceed.ForeColor = proceed_forecolor;
proceed.Font = button_font;
proceed.TextAlign = button_text_alignment;
proceed.Text = "Proceed";
proceed.Enabled = false;
proceed.Click += (sender, e) =>
{
form.Close();
byte[] key_string_bytes = Encoding.UTF8.GetBytes(password_1.Text), key = new byte[64];
password_1.Text = "";
password_2.Text = "";
FileStream file_from = null, file_to = null;
try {
WhirlpoolDigest whirlpool_digest = new WhirlpoolDigest();
whirlpool_digest.BlockUpdate(key_string_bytes, 0, key_string_bytes.Length);
whirlpool_digest.DoFinal(key, 0);
SerpentEngine serpent_engine = new SerpentEngine();
Pkcs7Padding pkcs7_padding = new Pkcs7Padding();
pkcs7_padding.Init(new SecureRandom(key));
PaddedBufferedBlockCipher
padded_buffered_block_cipher = new PaddedBufferedBlockCipher(new CbcBlockCipher(serpent_engine),
pkcs7_padding);
byte[] iv = new byte[padded_buffered_block_cipher.GetBlockSize()];
Array.Copy(key, key.Length - iv.Length, iv, 0, iv.Length);
padded_buffered_block_cipher.Init((en_de_cryption_mode_current == en_de_cryption_mode.encrypt),
new ParametersWithIV(new KeyParameter(key, 31, 32),
iv));
int plaintext_buffer_size = 1024 * padded_buffered_block_cipher.GetBlockSize(),
ciphertext_buffer_size = padded_buffered_block_cipher.GetBlockSize() +
plaintext_buffer_size,
bytes_read_count,
bytes_en_de_crypted_count;
byte[] buffer_from, buffer_to;
if (en_de_cryption_mode_current == en_de_cryption_mode.encrypt) {
buffer_from = new byte[plaintext_buffer_size];
buffer_to = new byte[ciphertext_buffer_size];
} else {
buffer_from = new byte[ciphertext_buffer_size];
buffer_to = new byte[plaintext_buffer_size];
}
file_from = new FileStream(file_path_from, FileMode.Open);
file_to = new FileStream(file_path_to, FileMode.Create);
while (true) {
bytes_read_count = file_from.Read(buffer_from, 0, buffer_from.Length);
if (bytes_read_count == 0) {
break;
}
bytes_en_de_crypted_count = padded_buffered_block_cipher.DoFinal(buffer_from,
0,
bytes_read_count,
buffer_to,
0);
file_to.Write(buffer_to, 0, bytes_en_de_crypted_count);
}
file_from.Close();
file_to.Close();
if (delete_file_path_from)
File.Delete(file_path_from);
for (int i = 0; i < key_string_bytes.Length; i += 1)
key_string_bytes[i] = 0;
for (int i = 0; i < key.Length; i += 1)
key[i] = 0;
whirlpool_digest.Reset();
serpent_engine.Reset();
pkcs7_padding = null;
padded_buffered_block_cipher.Reset();
for (int i = 0; i < iv.Length; i += 1)
iv[i] = 0;
for (int i = 0; i < buffer_from.Length; i += 1)
buffer_from[i] = 0;
for (int i = 0; i < buffer_to.Length; i += 1)
buffer_to[i] = 0;
} catch(Exception exception) {
string message;
if (exception.Message.Contains("pad block corrupted")) {
if (file_from != null) {
file_from.Close();
}
if (file_to != null) {
file_to.Close();
}
try {
File.Delete(file_path_to);
} catch(Exception) {}
message = "A wrong decryption key has been provided.";
} else {
message = exception.Message;
}
alert(message, interactive);
}
};
cancel.Bounds = new Rectangle(200, 100, button_width, button_height);
cancel.BackColor = cancel_backcolor;
cancel.ForeColor = cancel_forecolor;
cancel.Font = button_font;
cancel.TextAlign = button_text_alignment;
cancel.Text = "Cancel";
cancel.Click += (sender, e) =>
{
form.Close();
password_1.Text = "";
password_2.Text = "";
};
form.Controls.Add(password_1_label);
form.Controls.Add(password_2_label);
form.Controls.Add(password_1);
form.Controls.Add(password_2);
form.Controls.Add(proceed);
form.Controls.Add(cancel);
form.ShowDialog();
}
