wanderer/ KRY-0x01-ng
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chore: basic decryption key and message checks

This commit is contained in:
citizen-VM 2020-08-24 05:30:29 +02:00
parent 6ce0159c9b
commit 33e268d7dc
Signed by: wanderer
GPG Key ID: 6391444A736EEE7E
2 changed files with 65 additions and 14 deletions
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20
main_form.Designer.cs generated
View File

@ -28,7 +28,7 @@
/// </summary>
private void InitializeComponent()
{
System.Windows.Forms.DataGridViewCellStyle dataGridViewCellStyle7 = new System.Windows.Forms.DataGridViewCellStyle();
System.Windows.Forms.DataGridViewCellStyle dataGridViewCellStyle9 = new System.Windows.Forms.DataGridViewCellStyle();
this.textBox1 = new System.Windows.Forms.TextBox();
this.textBox2 = new System.Windows.Forms.TextBox();
this.label1 = new System.Windows.Forms.Label();
@ -223,14 +223,14 @@
this.dataGridView1.BorderStyle = System.Windows.Forms.BorderStyle.None;
this.dataGridView1.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
this.dataGridView1.ColumnHeadersVisible = false;
dataGridViewCellStyle7.Alignment = System.Windows.Forms.DataGridViewContentAlignment.MiddleCenter;
dataGridViewCellStyle7.BackColor = System.Drawing.SystemColors.Window;
dataGridViewCellStyle7.Font = new System.Drawing.Font("Verdana", 30F);
dataGridViewCellStyle7.ForeColor = System.Drawing.SystemColors.ControlText;
dataGridViewCellStyle7.SelectionBackColor = System.Drawing.SystemColors.Highlight;
dataGridViewCellStyle7.SelectionForeColor = System.Drawing.SystemColors.HighlightText;
dataGridViewCellStyle7.WrapMode = System.Windows.Forms.DataGridViewTriState.False;
this.dataGridView1.DefaultCellStyle = dataGridViewCellStyle7;
dataGridViewCellStyle9.Alignment = System.Windows.Forms.DataGridViewContentAlignment.MiddleCenter;
dataGridViewCellStyle9.BackColor = System.Drawing.SystemColors.Window;
dataGridViewCellStyle9.Font = new System.Drawing.Font("Verdana", 30F);
dataGridViewCellStyle9.ForeColor = System.Drawing.SystemColors.ControlText;
dataGridViewCellStyle9.SelectionBackColor = System.Drawing.SystemColors.Highlight;
dataGridViewCellStyle9.SelectionForeColor = System.Drawing.SystemColors.HighlightText;
dataGridViewCellStyle9.WrapMode = System.Windows.Forms.DataGridViewTriState.False;
this.dataGridView1.DefaultCellStyle = dataGridViewCellStyle9;
this.dataGridView1.Location = new System.Drawing.Point(401, 88);
this.dataGridView1.Name = "dataGridView1";
this.dataGridView1.ReadOnly = true;
@ -290,6 +290,7 @@
this.button3.TabIndex = 507;
this.button3.Text = "check key";
this.button3.UseVisualStyleBackColor = true;
this.button3.Click += new System.EventHandler(this.button3_Click);
//
// label11
//
@ -333,6 +334,7 @@
this.button4.TabIndex = 512;
this.button4.Text = "decrypt";
this.button4.UseVisualStyleBackColor = true;
this.button4.Click += new System.EventHandler(this.button4_Click);
//
// label13
//

59
main_form.cs
View File

@ -4,6 +4,7 @@ using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
@ -71,7 +72,7 @@ namespace KRY_0x01_ng
}
bool check_key(TextBox tb_k)
bool check_key(TextBox tb_k, TextBox tb_pk, TextBox tb_na)
{
bool success = true;
if (tb_k.Text.Length == 0)
@ -100,8 +101,8 @@ namespace KRY_0x01_ng
return success = false;
}
TextBox tb_pruned_k = textBox2;
TextBox tb_nualph = textBox3;
TextBox tb_pruned_k = tb_pk;
TextBox tb_nualph = tb_na;
tb_pruned_k.Text = str_to_check;
char[] transient_alph = alphabet.Except(str_to_check.ToArray()).ToArray();
string transientalph_str = "";
@ -167,6 +168,24 @@ namespace KRY_0x01_ng
return;
}
void check_cryptmessage(TextBox tb_m)
{
if (tb_m.Text.Length == 0)
{
MessageBox.Show("Empty message, nothing to do.", "Warning");
return;
}
string msg = tb_m.Text.ToUpper();
Match match = Regex.Match(msg, @"\d|\s+|W");
if (match.Success)
{
MessageBox.Show("Only alphabetic characters (with the exception of W) are allowed.\nCheck the cryptmessage for numbers, symbols or tab whitespace and remove them before continuing.", "Error");
return;
}
textBox9.Text = msg;
return;
}
string msg_hack_up(string msg)
{
string digraph_msg = "";
@ -207,7 +226,7 @@ namespace KRY_0x01_ng
void encrypt()
{
bool cool = check_key(textBox1);
bool cool = check_key(textBox1, textBox2, textBox3);
if (!cool)
{
return;
@ -265,6 +284,19 @@ namespace KRY_0x01_ng
void decrypt()
{
bool cool = check_key(textBox8, textBox11, textBox10);
if (!cool)
{
return;
}
check_cryptmessage(textBox9);
}
private void button1_Click(object sender, EventArgs e)
{
/* encrypt button */
@ -274,12 +306,29 @@ namespace KRY_0x01_ng
private void button2_Click(object sender, EventArgs e)
{
/* check key button */
bool cool = check_key(textBox1);
bool cool = check_key(textBox1, textBox2, textBox3);
if (!cool)
{
return;
}
fill_array_table();
}
private void button3_Click(object sender, EventArgs e)
{
/* check decryption key*/
bool cool = check_key(textBox8, textBox11, textBox10);
if (!cool)
{
return;
}
fill_array_table();
}
private void button4_Click(object sender, EventArgs e)
{
/* decrypt */
decrypt();
}
}
}