private void button3_Click(object sender, EventArgs e)
{
byte[] priKey = PKCS8.PrivateKeyInfo.Encode(CertificateLoader.ConvertPrivateKeyToRSA(certificate.PrivateKeyInfo.PrivateKey));
if (File.Exists(textBox2.Text))
{
MessageBox.Show("파일이 이미 존재함", "오류", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
using (FileStream fs = new FileStream(textBox2.Text, FileMode.Create, FileAccess.Write))
{
fs.Write(priKey, 0, priKey.Length);
fs.Flush();
}
MessageBox.Show("내보냈습니다.", "결과", MessageBoxButtons.OK, MessageBoxIcon.Information);
}