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格密码体制是量子时代公钥密码体制的典型的一种,能抵抗量子计算的攻击,并具有良好的线性结构,在应用中加解密速度较快。分析了格及格上困难问题,对比了已知的安全加密体制,利用格困难问题构建公钥加密体制提高信息的安全性。
Grid cryptography is a typical one of the public key cryptosystems in the quantum age. It can resist the attack of quantum computation and has a good linear structure. It is faster in encryption and decryption in applications. This paper analyzes the difficulties of passing the grid, compares the known safety encryption system, and uses the grid difficult problem to construct the public key encryption system to improve the information security.