private void buttonRSADecrypt_Click(object sender, EventArgs e)
{
if (busy)
{
return;
}
if (ReceiverRSA == null)
{
MessageError("你还没有私钥！");
return;
}
else if (RecEncryptedDESKey == 0)
{
MessageError("请先加载加密传送密钥！");
return;
}
RecKey = new Bitset(64);
try
{
BigInteger result = ReceiverRSA.DecryptBlock(RecEncryptedDESKey);
RecKey.PasteBigInteger(result);
textBoxRecKey.Text = RecKey.ToString();
textBoxRecRSAOutput.Text = result.ToString();
Log("RSA解密成功");
MessageHint("RSA解密成功，得到DES密钥！");
}
catch
{
MessageError("文件不合法，RSA私钥与加密文件不匹配。");
RecKey = null;
}
}
