5 files changed, 163 insertions, 0 deletions
diff --git a/WinKeyRecover/keyManager/CheckIsValid.cs b/WinKeyRecover/keyManager/CheckIsValid.cs
new file mode 100644
index 0000000..5b6775b
--- /dev/null
+++ b/WinKeyRecover/keyManager/CheckIsValid.cs
@@ -0,0 +1,41 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace WinKeyRecover
+{
+    internal class CheckIsValid
+    {
+        private string key;
+
+        public bool CheckKey(char[] validChars, string key)
+        {
+            this.key = key.ToUpper();
+
+            if (this.key != string.Empty 
+                && this.key.Length == 29 
+                && this.key.Contains('*')
+                )
+            {
+                for (int i = 0; i < key.Length; i++)
+                {
+                    if (this.key[i] != '-'
+                        && this.key[i] != '*'
+                        && !validChars.Contains(this.key[i]) 
+                        )
+                    {
+                        return false;
+                    }
+                }
+            }
+            else
+            {
+            return false;
+            }
+
+            return true;
+        }
+    }
+}
diff --git a/WinKeyRecover/keyManager/CountMissingChars.cs b/WinKeyRecover/keyManager/CountMissingChars.cs
new file mode 100644
index 0000000..b92b357
--- /dev/null
+++ b/WinKeyRecover/keyManager/CountMissingChars.cs
@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace WinKeyRecover
+{
+    internal class CountMissingChars
+    {
+        private int missing = 0;
+
+        public int Count(string key)
+        {
+            for (int i = 0; i < key.Length; i++)
+            {
+                if (key[i] == '*')
+                {
+                    missing++;
+                }
+            }
+
+            return missing;
+        }
+    }
+}
diff --git a/WinKeyRecover/keyManager/GeneratePattern.cs b/WinKeyRecover/keyManager/GeneratePattern.cs
new file mode 100644
index 0000000..dbd0809
--- /dev/null
+++ b/WinKeyRecover/keyManager/GeneratePattern.cs
@@ -0,0 +1,37 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace WinKeyRecover
+{
+    internal class GeneratePattern
+    {
+        private readonly List<string> generatedPatterns = new List<string>();
+
+        public List<string> Generate(char[] patternChars, int patternLength, string patternBase = "")
+        {
+            if (patternLength == 1)
+            {
+                for (int i = 0; i < patternChars.Length; i++)
+                {
+                    generatedPatterns.Add(patternBase + patternChars[i]);
+                }
+            }
+            else
+            {
+                for (int i = 0; i < patternChars.Length; i++)
+                {
+                    string patternNew = patternBase + patternChars[i];
+                    _ = Generate(patternChars, patternLength - 1, patternNew);
+                }
+            }
+            
+            return generatedPatterns;
+        }
+    }
+}
+
+
diff --git a/WinKeyRecover/keyManager/GetMissingPositons.cs b/WinKeyRecover/keyManager/GetMissingPositons.cs
new file mode 100644
index 0000000..14bf8e8
--- /dev/null
+++ b/WinKeyRecover/keyManager/GetMissingPositons.cs
@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace WinKeyRecover
+{
+    internal class GetMissingPositions
+    {
+        private readonly List<int> missingPosition = new List<int>();
+
+        public List<int> GetPositions(string key)
+        {
+            for (int i = 0; i < key.Length; i++)
+            {
+                if (key[i] == '*')
+                {
+                    missingPosition.Add(i);
+                }
+            }
+            
+            return missingPosition;
+        }
+    }
+}
diff --git a/WinKeyRecover/keyManager/ReplaceMissings.cs b/WinKeyRecover/keyManager/ReplaceMissings.cs
new file mode 100644
index 0000000..6e5e1ae
--- /dev/null
+++ b/WinKeyRecover/keyManager/ReplaceMissings.cs
@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace WinKeyRecover
+{
+    internal class ReplaceMissings
+    {
+        private readonly string key;
+        private readonly List<int> missingPosition;
+
+        public ReplaceMissings(string key, List<int> missingPosition)
+        {
+            this.key = key;
+            this.missingPosition = missingPosition;
+        }
+
+        public string Replace(string pattern)
+        {
+            char[] finalKey = new List<char>(key).ToArray();
+
+            for (int i = 0; i < pattern.Length; i++)
+            {
+                finalKey[missingPosition[i]] = pattern[i];
+            }
+
+            return new string(finalKey);
+        }
+    }
+}