基于Montgomery算法的智能卡RSA密码协处理器  

Montgomery Algorithm Based RSA Cryptography Coprocessor for Smart Card Application

作　　者：刘丽蓓[1] 邵丙铣[1] 

机构地区：[1]复旦大学国家微电子材料与元器件微分析中心,上海200433

出　　处：《微电子学》2003年第5期399-402,共4页Microelectronics

摘　　要：　对Montgomery算法进行了改进,提供了一种适合智能卡应用、以RISC微处理器形式实现的RSA密码协处理器。该器件的核心部分采用了两个32位乘法器的并行流水结构,其功能部件是并发操作的,指令执行亦采用了流水线的形式。在10MHz的时钟频率下,加密1024位明文平均仅需3ms,解密平均需177ms。A new VLSI architecture of RSA cryptography coprocessor based on the RISC microprocessor structure is designed by using a modified Montgomery algorithm The kernel of the device is two 32bit multipliers with pipelining structure, which operate concurrently At a clock rate of 10 MHz, it takes only 3 ms to encrypt and 177 ms to decrypt 1024bit message on average The designed performance and specifications of the RSA cryptography coprocessor makes it suitable for smart card applications

关 键 词：MONTGOMERY算法 智能卡 RSA密码 MonPro模来器 协处理器 公钥密码体制 

分 类 号：TN918.2[电子电信—通信与信息系统] TN492[电子电信—信息与通信工程]