public async Task <FileStreamResult> GetKeyRSA([FromForm] KeysDataTaken requestdata)
 {
     RSA.GenerateKeys(requestdata);
     return(await DownloadZip());
 }
 public async Task <FileStreamResult> GetKeyDiffie([FromForm] KeysDataTaken requestdata)
 {
     Diffie_Hellman.GenerateKeys(requestdata);
     return(await DownloadZip());
 }