c# aes cryptostream specified padding mode is not valid for this algorithm的解決方法 -凯发ag旗舰厅登录网址下载

 //解密數據
            using (var ss = file.openread(@"d:\qq.d.flac"))
            {
                using (filestream w = new filestream(@"d:\qq.flac", filemode.create))
                {
                    using (var cs = aesstream.streamdecrypt(w, "qq"))
                    {
                        ss.seek(0, seekorigin.begin);
                        for (int i = 0; i < ss.length; i = 4096)
                        {
                            byte[] chunkdata = new byte[4096];
                            int bytesread = 0;

　　　　　　　　        //updates the underlying data source or repository with the current state of the buffer, then clears the buffer.
                            if (!cs.hasflushedfinalblock)
                            {
                                cs.flushfinalblock();
                            }
                            bytesread = ss.read(chunkdata, 0, chunkdata.length);

                            if (i > 4096*1024)
                            {
                                break;
                            }
                            cs.write(chunkdata, 0, bytesread);
                        }
                    }
                }
            }

转载于:https://www.cnblogs.com/kzwrcom/p/6879853.html

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