private IFFX GetCipher(byte[] tweak, FfsConfigurationResponse ffs, FpeEncryptionKeyResponse encryptionKey, int radix)
{
IFFX cypher;
// set the tweak range and radix based on the FFS record
long twkmin = ffs.TweakMinLength.HasValue ? ffs.TweakMinLength.Value : 0;
long twkmax = ffs.TweakMaxLength.HasValue ? ffs.TweakMaxLength.Value : 0;
_fpe = ffs.EncryptionAlgorithm;
switch (_fpe.ToLower())
{
case FpeNameConstants.ff1:
cypher = new FF1(encryptionKey.UnwrappedDataKey, tweak, twkmin, twkmax, radix);
break;
case FpeNameConstants.ff3_1:
cypher = new FF3_1(encryptionKey.UnwrappedDataKey, tweak, radix);
break;
default:
throw new InvalidOperationException($"Unknown FPE Algorithm: {_fpe}");
}
return(cypher);
}
////////////////////////////////////////////////////////////////////////////////////
private void PersonAllPackagesToGrid(TreeNode Node)
{
dataGridView1.Columns.Clear();
dataGridView1.ColumnCount = 3;
dataGridView1.ColumnHeadersVisible = true;
dataGridView1.Columns[0].Name = "GUID";
dataGridView1.Columns[0].Width = 225;
dataGridView1.Columns[0].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
dataGridView1.Columns[1].Name = "IDPack";
dataGridView1.Columns[1].Width = 225;
dataGridView1.Columns[1].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
dataGridView1.Columns[2].Name = "BatchType";
dataGridView1.Columns[2].Width = 225;
dataGridView1.Columns[2].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
int ind = 0;
foreach (TreeNode child in Node.Nodes)
{
string[] row = { child.Text, "Comming Son", "Comming Son" };
if (child.Nodes.Count > 0)
{
string[] s = child.Nodes[0].Text.Split('_');
string filename = child.Nodes[0].Parent.Text + "_" + s[2] + "_" + s[1] + "_" + s[0] + ".xml";
XDocument myDoc = XDocument.Load(DefPatch + filename);
IEnumerable <XElement> FF1;
IEnumerable <XElement> FF2;
try
{
FF1 = myDoc.Descendants("_IDPack");
FF2 = myDoc.Descendants("_BatchType");
row[1] = "";
row[2] = "";
if (FF1.Count() > 0)
{
row[1] = FF1.First().Value;
}
if (FF2.Count() > 0)
{
row[2] = FF2.First().Value;
}
ind = dataGridView1.Rows.Add(row);
}
catch { }
}
dataGridView1.Rows[ind].Cells[0].Style.BackColor = Color.Gainsboro;
dataGridView1.Rows[ind].Cells[1].Style.BackColor = Color.Gainsboro;
dataGridView1.Rows[ind].Cells[2].Style.BackColor = Color.Gainsboro;
}
}
public void testStress()
{
int[] keySizes = { 128, 192, 256 };
FF1 ff1 = new FF1(10, 8);
// for each key size
foreach (int k in keySizes)
{
// generate a new key in the key size
byte[] K = new byte[k / 8];
for (int i = 0; i < k / 8; i++)
{
K[i] = (byte)i;
}
// init plaintext to a 1 byte array
int[] PT = { k % 10 };
// for each plaintext length
for (int j = 0; j < 4; j++)
{
// make plaintext eight times longer
PT = Common.concatenate(PT, PT);
PT = Common.concatenate(PT, PT);
PT = Common.concatenate(PT, PT);
// repeat the test four times
for (int i = 0; i < 4; i++)
{
// create a new tweak array
byte[] T = Common.bytestring(i, 8);
// encrypt the plaintext
int[] CT = ff1.encrypt(K, T, PT);
// verify decrypted ciphertext against original plaintext
CollectionAssert.AreEquivalent(PT, ff1.decrypt(K, T, CT));
// use the ciphertext as the new plaintext
PT = CT;
}
}
}
}
///<summary>
///Perform a single test of FF1 encryption and decryption.
///</summary>
///<param name="plaintext">The plaintext input.</param>
///<param name="ciphertext">The expected ciphertext output.</param>
///<param name="key">The AES key.</param>
///<param name="name">The name of the test.</param>
///<param name="radix">The radix used in plaintext and ciphertext arguments.</param>
///<param name="tweak">The tweak.</param>
///<param name="maxTlen">The maximum length of a tweak.</param>
private void testFF1Iteration(String name, int radix, int maxTlen, byte[] key, byte[] tweak, int[] plaintext,
int[] ciphertext)
{
// create an FF1 instance
FF1 ff1 = new FF1(radix, maxTlen);
Assert.IsNotNull(ff1);
// create an AES key from the key data
byte[] K = key;
Console.WriteLine("\n==============================================================\n");
Console.WriteLine(name + "\n");
Console.WriteLine("FF1-AES" + key.Length * 8 + "\n");
Console.WriteLine("Key is " + Common.byteArrayToHexString(key));
Console.WriteLine("Radix = " + radix);
Console.WriteLine("--------------------------------------------------------------\n");
Console.WriteLine("PT is <" + Common.intArrayToString(plaintext) + ">\n");
// perform the encryption
int[] CT = ff1.encrypt(K, tweak, plaintext);
Console.WriteLine("CT is <" + Common.intArrayToString(CT) + ">");
// validate the ciphertext
CollectionAssert.AreEquivalent(ciphertext, CT);
Console.WriteLine("\n--------------------------------------------------------------\n");
// perform the decryption
int[] PT = ff1.decrypt(K, tweak, CT);
Console.WriteLine("PT is <" + Common.intArrayToString(PT) + ">");
// validate the recovered plaintext
CollectionAssert.AreEquivalent(plaintext, PT);
}
public void testEncrypt()
{
int radix = 8;
int maxTlen = 16;
FF1 ff1 = new FF1(radix, maxTlen);
Assert.IsNotNull(ff1);
// set up generic test inputs
byte[] key = { (byte)0x2B, (byte)0x7E, (byte)0x15, (byte)0x16, (byte)0x28, (byte)0xAE, (byte)0xD2,
(byte)0xA6, (byte)0xAB, (byte)0xF7, (byte)0x15, (byte)0x88, (byte)0x09, (byte)0xCF,(byte)0x4F,
(byte)0x3C };
int[] plainText = { 0, 1, 2, 3, 4, 5, 6, 7 };
byte[] K = key;
byte[] T = { };
int[] PT = plainText;
// null inputs
try
{
K = null;
PT = plainText;
ff1.encrypt(K, T, PT);
}
catch (Exception e)
{
Assert.IsInstanceOf <NullReferenceException>(e);
}
try
{
K = key;
T = null;
PT = plainText;
ff1.encrypt(K, T, PT);
}
catch (Exception e)
{
Assert.IsInstanceOf <NullReferenceException>(e);
}
try
{
K = key;
T = new byte[0];
PT = null;
ff1.encrypt(K, T, PT);
}
catch (Exception e)
{
Assert.IsInstanceOf <NullReferenceException>(e);
}
// wrong key type
try
{
K = new byte[] { 0, 1, 2, 3, 4, 5 };
T = new byte[0];
PT = plainText;
ff1.encrypt(K, T, PT);
}
catch (Exception)
{
}
// T is too long
try
{
K = key;
T = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
PT = plainText;
ff1.encrypt(K, T, PT);
}
catch (Exception)
{
}
// X is too short
try
{
K = key;
T = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
PT = new int[] { 1 };
ff1.encrypt(K, T, PT);
}
catch (Exception)
{
}
// X is too long
try
{
K = key;
T = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
PT = new int[Constants.MAXLEN + 1];
ff1.encrypt(K, T, PT);
}
catch (Exception)
{
}
// X is too short for radix
try
{
K = key;
T = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
PT = new int[] { 1, 2 };
ff1.encrypt(K, T, PT);
}
catch (Exception)
{
}
// d > 16
radix = 128;
maxTlen = 16;
ff1 = new FF1(radix, maxTlen);
Assert.IsNotNull(ff1);
K = key;
T = new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
PT = new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
28, 29, 30, 31, 32 };
int[] CT = ff1.encrypt(K, T, PT);
CollectionAssert.AreEquivalent(PT, ff1.decrypt(K, T, CT));
}
public void testFF1()
{
FF1 ff1 = new FF1(10, 0);
Assert.IsNotNull(ff1);
}
////////////////////////////////////////////////////////////////////////////////////
private void AllDocumFromPackageToGrid(TreeNode Node)
{
dataGridView1.Columns.Clear();
dataGridView1.ColumnCount = 5;
dataGridView1.ColumnHeadersVisible = true;
dataGridView1.Columns[0].Name = "N";
dataGridView1.Columns[0].Width = 25;
dataGridView1.Columns[1].Name = "Header";
dataGridView1.Columns[1].Width = 150;
dataGridView1.Columns[2].Name = "Number";
dataGridView1.Columns[2].Width = 125;
dataGridView1.Columns[3].Name = "Date";
dataGridView1.Columns[3].Width = 75;
dataGridView1.Columns[4].Name = "Barcode";
dataGridView1.Columns[4].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
dataGridView1.Columns[4].FillWeight = 125;
int ind = 0;
string filename = "";
string[] row = new string[5];
foreach (TreeNode child in Node.Nodes)
{
string[] s = child.Text.Split('_');
filename = child.Parent.Text + "_" + s[2] + "_" + s[1] + "_" + s[0] + ".xml";
XDocument myDoc = XDocument.Load(DefPatch + filename);
IEnumerable <XElement> FF1;
IEnumerable <XElement> FF2;
IEnumerable <XElement> FF3;
IEnumerable <XElement> FF4;
try
{
FF1 = myDoc.Descendants("_Header");
FF2 = myDoc.Descendants("_DocNum");
FF3 = myDoc.Descendants("_DateDoc");
FF4 = myDoc.Descendants("_Barcode");
row[0] = s[0];
row[1] = "";
row[2] = "";
row[3] = "";
row[4] = "";
if (FF1.Count() > 0)
{
row[1] = FF1.First().Value;
}
if (FF2.Count() > 0)
{
row[2] = FF2.First().Value;
}
if (FF3.Count() > 0)
{
row[3] = FF3.First().Value;
}
if (FF4.Count() > 0)
{
row[4] = FF4.First().Value;
}
ind = dataGridView1.Rows.Add(row);
dataGridView1.Rows[ind].Cells[0].Style.BackColor = Color.Gainsboro;
dataGridView1.Rows[ind].Cells[1].Style.BackColor = Color.Gainsboro;
dataGridView1.Rows[ind].Cells[2].Style.BackColor = Color.Gainsboro;
dataGridView1.Rows[ind].Cells[3].Style.BackColor = Color.Gainsboro;
dataGridView1.Rows[ind].Cells[4].Style.BackColor = Color.Gainsboro;
}
catch
{
}
}
}