yes

CryptoAlgo/RSAhw2.cs

@@ -18,14 +18,14 @@ namespace CryptoAlgo
 
             do
             {
-                p = g.Next(2, 100);
+                p = g.Next(100, 500);
             } while (!PrimeChecker(p));
             
             var h = new Random();
             int q;
             do
             {
-                q = h.Next(2, 100);
+                q = h.Next(100, 500);
             } while (!PrimeChecker(q));
             
             Console.WriteLine($"P value: {p}");
@@ -60,8 +60,8 @@ namespace CryptoAlgo
             var d = (1 + k * m) / e;
             Console.WriteLine($"d: {d}");
             
-            Console.WriteLine($"Public key \n n: {n} e: {e}");
-            Console.WriteLine($"Private key: p*q =  {p}*{q} = {n} d:{d}");
+            Console.WriteLine($"Public key n: {n} e: {e}");
+            Console.WriteLine($"Private key: p*q =  {p}*{q} ={n}   d:{d}");
             
             Console.WriteLine("Plaintext char:");
             var plainTextString = Console.ReadLine();
@@ -73,13 +73,13 @@ namespace CryptoAlgo
                 var i = 0;
                 while (i < plainTextString.Length)
                 {
-                    var plainText = (int) plainTextString[i];
+                    var plainText = (long) plainTextString[i];
                     table[0, i] = plainText;
 
-                    var cypher = calcMod(plainText, e, n);
-                    table[1, i] = cypher;
+                    var encrypted = calcMod(plainText, e, n);
+                    table[1, i] = encrypted;
 
-                    table[2, i] = calcMod(cypher, d, n);
+                    table[2, i] = calcMod(encrypted, d, n);
                     i++;
                 }
                 
@@ -90,7 +90,7 @@ namespace CryptoAlgo
                     Console.Write($" {table[0,j]}");
                 }
                 
-                Console.Write("\nCypher:    ");
+                Console.Write("\nEncrypted:    ");
                 for (var j = 0; j < plainTextString.Length; j++)
                 {
                     Console.Write($" {table[1, j]}");
@@ -117,17 +117,7 @@ namespace CryptoAlgo
                     y = Divide(n,x);
                 } while (!PrimeChecker(x) || !PrimeChecker(y) || y==1);
            
-                Console.WriteLine("2 Private keys are: X: {0}, Y: {1}", x,y);
-            }
-       
-            static int calculateMod(int inputBase, int inputSecret, int inputModulus)
-            {
-                var returnMod = 1;
-                for (var i = 1; i <= inputSecret; ++i)
-                {
-                    returnMod = (returnMod * inputBase) % inputModulus;
-                }
-                return returnMod;
+                Console.WriteLine("Private keys are: X: {0}, Y: {1}", x,y);
             }