- RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
- private void btencoding_Click(object sender, EventArgs e)
- {
- if (mbox.Text == "")
- {
- MessageBox.Show("加密文字信息不能为空!");
- return;
- }
- if (publickey.Text == "")
- {
- MessageBox.Show("请生成公钥!");
- return;
- }
- try
- {
- string pubKey = publickey.Text;
- byte[] mw = ASCIIEncoding.ASCII.GetBytes(mbox.Text);
- RSACryptoServiceProvider crypt = new RSACryptoServiceProvider();
- crypt.FromXmlString(pubKey);
- mw = crypt.Encrypt(mw, false);
- string encryttext = Convert.ToBase64String(mw);//加密后的结果怎样处理解决显示乱码问题
- cbox.Text = encryttext;
- }
- catch
- {
- MessageBox.Show("请检查是否打开公匙或者公匙是否损坏!");
- }
- }
- private void btdecoding_Click(object sender, EventArgs e)
- {
- if (cbox.Text == "")
- {
- MessageBox.Show("请生成密钥!");
- return;
- }
- try
- {
- RSACryptoServiceProvider crypt = new RSACryptoServiceProvider();
- byte[] bytes = Convert.FromBase64String(cbox.Text);//从密文框中取出的字符串正确处理才能解密
- string prtKey = privatekey.Text;
- crypt.FromXmlString(prtKey);
- byte[] decryptbyte = crypt.Decrypt(bytes, false);
- string decrypttext = Encoding.Default.GetString(decryptbyte);
- mbox.Text = decrypttext;
- }
- catch (CryptographicException ex)
- {
- //MessageBox.Show("请检查是否打开私匙或者私匙是否损坏!");
- MessageBox.Show(ex.ToString());
- } if (cbox.Text == "")
- {
- MessageBox.Show("请生成密钥!");
- return;
- }
- }
- //该片段来自于http://www.codesnippet.cn/detail/0501201614348.html
来源: http://www.codesnippet.cn/detail/0501201614348.html