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How to Encrypt or Decrypt password using Asp.Net with c#

Enter Your Password and first click on Encrypt button and then after click on Decrypt.
  1. Example Of First Enter Password = "rraannaammeett"

  2. EncodePasswordToBase64 function convert your string and give output 
    ans= "cnJhYW5uYWFtbWVldHQ="

  3. DecodeFrom64 function convert your strring and give output 

//this function Convert to Encord your Password 
public static string EncodePasswordToBase64(string password) 
      byte[] encData_byte = new byte[password.Length]; 
      encData_byte = System.Text.Encoding.UTF8.GetBytes(password); 
      string encodedData = Convert.ToBase64String(encData_byte); 
      return encodedData; 
   catch (Exception ex) 
      throw new Exception("Error in base64Encode" + ex.Message); 
} //this function Convert to Decord your Password
public string DecodeFrom64(string encodedData) 
   System.Text.UTF8Encoding encoder = new System.Text.UTF8Encoding(); 
   System.Text.Decoder utf8Decode = encoder.GetDecoder();
   byte[] todecode_byte = Convert.FromBase64String(encodedData); 
   int charCount = utf8Decode.GetCharCount(todecode_byte, 0, todecode_byte.Length); 
   char[] decoded_char = new char[charCount]; 
   utf8Decode.GetChars(todecode_byte, 0, todecode_byte.Length, decoded_char, 0); 
   string result = new String(decoded_char); 
   return result;
protected void Button1_Click(object sender, EventArgs e)
protected void Button2_Click(object sender, EventArgs e)
   Label1.Text = DecodeFrom64(Label1.Text);}


  1. Base64-encoding a string is not the same as encryption.

  2. The base 64 is the most generic and common technique. I dont think this provides any security from hacking.
    Do you have any other technique which encrypts based on keys so that safer encryption could be made?