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2025-09-05 16:35:05 +04:30
parent 2c19a5cf4b
commit 496879c79d
9 changed files with 68 additions and 80 deletions
@@ -1,31 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO.Compression;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace VizhTalk.Grpc.Learning.Helpers
-{
-    internal class CompressionHelper
-    {
-        public static byte[] Compress(byte[] data)
-        {
-            using var output = new MemoryStream();
-            using (var gzip = new GZipStream(output, CompressionMode.Compress))
-            {
-                gzip.Write(data, 0, data.Length);
-            }
-            return output.ToArray();
-        }
-
-        public static byte[] Decompress(byte[] compressedData)
-        {
-            using var input = new MemoryStream(compressedData);
-            using var gzip = new GZipStream(input, CompressionMode.Decompress);
-            using var output = new MemoryStream();
-            gzip.CopyTo(output);
-            return output.ToArray();
-        }
-    }
-}
@@ -1,45 +0,0 @@
-using System.Security.Cryptography;
-using System.Text;
-
-namespace VizhTalk.Grpc.Learning.Helpers
-{
-    internal class EncryptionHelper
-    {
-        private const string Alphabet = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
-        public static string Encrypt(string input)
-        {
-            byte[] bytes = Encoding.UTF8.GetBytes(input);
-
-            // تبدیل بایت‌ها به عدد بزرگ
-            var number = new System.Numerics.BigInteger(bytes);
-
-            // اگر منفی شد، مثبتش کن
-            if (number < 0) number = -number;
-
-            // تبدیل به Base62
-            StringBuilder result = new StringBuilder();
-            while (number > 0)
-            {
-                result.Insert(0, Alphabet[(int)(number % 62)]);
-                number /= 62;
-            }
-
-            return result.ToString();
-        }
-
-        public static string Decrypt(string encoded)
-        {
-            System.Numerics.BigInteger number = 0;
-            foreach (char c in encoded)
-            {
-                number = number * 62 + Alphabet.IndexOf(c);
-            }
-
-            // تبدیل دوباره به بایت
-            byte[] bytes = number.ToByteArray();
-
-            // رشته اصلی
-            return Encoding.UTF8.GetString(bytes);
-        }
-    }
-}