public string[] GetPublicKey()
{
RSACrypto crypto = new RSACrypto();
RSAItem item = new RSAItem();
string privateKey = "", publicKey = "";
crypto.CreateKeys(out privateKey, out publicKey);
item.PrivateKey = privateKey;
item.PublickKey = publicKey;
item.Guid = Guid.NewGuid().ToString();
item.CreateTime = DateTime.Now;
RedisHelper.Add(item.Guid, item);
string[] arry = new string[2];
arry[0] = item.Guid;
arry[1] = RSAConvert.PemPublicKeyByXml(item.PrivateKey);
return(arry);
}