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Hi, i want to perform the rsa algorithm using cryptoservice provider in c# but i want to issue the public key and private key by the user manually.(i.e.) when entering the key then only perform the rsa algorithm process. It is possible please help me.

Hi, I want to connect the webservices with application for uploading the file using c#. Please can anyone help me.

suggest me a code for transferring file-id present in grid view of one website to another website,when the link button was clicked in that grid view

I have to perform the encryption and decryption of the file based on des algorithm. The encryption performed well but the decryption having the error as *`Bad Data`* when perform the readtoend function. The coding is given below: using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; …

Hi when i connect the sql server 2005 it will display this kind of error. `An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow …

I want to encrypt the data based on user time. Is there any algorithm based on timestamp value for encryption and decryption? Pls give some suggestion

i want to split the power value ex:11 pow 10 = (11 pow 7)(11 pow 3) like that i want to split the value please help me

private void decrypt_Click(object sender, EventArgs e) { v = Convert.ToDouble (txtencrypt.Text); t = Math.Pow(v, d); msg = Convert.ToInt16(Math.Pow(v,d) % Convert.ToDouble(n)); txtdecrypt.Text = Convert.ToString(msg); } This is the code im doing for decryption in rsa algorithm but i got a problem in power operation. For a small power value,the power operation …

Im trying to do the encryption and decryption in sha1 with the help of SHA1CyptoServiceProvider. The encryption of SHA1 is performed well but i need the code for decryption of SHA1. Encryption code: string p="hai"; //input text SHA1CyptoServiceProvider encrypt=new SHA1CyptoServiceProvider(). byte[] enctxt=encrypt.ComputeHash(Encoding.Default.GetBytes(p)); foreach(byte temp in enctxt) { out=temp.ToString("x"); }

private void decrypt_Click(object sender, EventArgs e) { v = Convert.ToDouble (txtencrypt.Text); t = Math.Pow(v, d); MessageBox.Show(Convert.ToString(t)); MessageBox.Show(""+t.ToString()); MessageBox.Show("" + Convert.ToDecimal(n)); msg = Convert.ToInt16(Math.Pow(v,d) % Convert.ToDouble(n)); txtdecrypt.Text = Convert.ToString(msg); } this is the code im working now for rsa decryption. the problem im getting is the pow function return in exponential …