为确保不同配电网需求数据存储效率,提出基于Hadoop的配电网需求数据存储安全控制方法.采用稀疏字典稀疏分解配电网需求数据,利用字典原子代替数据字节,将压缩数据输入Hadoop分布式平台中,通过客户端专用通道生成公钥和私钥,以密钥流的形式存入Hadoop节点,双密钥加密需求数据,制定数据密文存储规则,控制需求数据放置位置,实现配电网需求数据安全存储.结果表明,提出的方法在面临恶意攻击时,文件处理速度较快,有效提高了数据存储效率.
In order to ensure the data storage efficiency of different distribution network demand,a security control method for distribution network demand data storage based on Hadoop was proposed.The sparse dictionary was used to sparsely decompose the demand data of the distribution network,the dictionary atom was used to replace the data bytes,the compressed data was input into the Hadoop distributed platform,the public key and the private key were generated through the dedicated channel of the client,and the key was stored in the Hadoop node in the form of key stream,the demand data was encrypted with double keys,the data ciphertext storage rules were formulated,the placement of the demand data was controlled,and the demand data of the distribution network is stored safely.The experimental results showed that the proposed method had a faster file processing speed in the face of malicious at-tacks,which effectively improved the data storage efficiency.