在多FPGA上实现基于字典的ZIP文档口令恢复  

IMPLEMENTING DICTIONARY-BASED PASSWORD RECOVERY FOR ZIP DOCUMENTS ON MULTI-FPGA

作　　者：李龙谱[1] 斯雪明[2] 张志鸿[1] 张少岗[3] 

机构地区：[1]郑州大学信息工程学院 [2]解放军信息工程大学信息工程学院 [3]中国人民解放军71620部队司令部

出　　处：《计算机应用与软件》2015年第6期292-295,共4页Computer Applications and Software

摘　　要：相对穷举攻击,字典攻击是一种更加高效的文档破解方式,但在高速破解情况下,字典攻击对存储空间与读取速度有较高的需求。针对批量ZIP类型加密文档的口令恢复需求,提出一种基于多FPGA的字典破解方案,实现了FPGA之间的高速字典传输,解决了字典攻击的口令传输瓶颈问题,并在FPGA与通用服务器间进行了性能和功耗的对比实验。结果表明该方案有效可行,相对通用服务器在性能有明显提高,在功耗上有显著降低。With respect to the brute-force attack,dictionary attack is a more efficient way to crack the document,but it has a higher demand on the storage space and speed requirements in the case of high speed crack.For the password recovery demand in bulk of ZIP-type encrypted documents,this paper proposes a multi-FPGA based dictionary attack scheme,it realises the high-speed dictionary transmission between FPGA,and solves the problem of the password transmission bottleneck in dictionary attack.Contrast experiments in regard to the performance and power consumption of the scheme are carried out between the FPGA and the universal server,results show that the scheme is effective and feasible.Comparing with the universal server,its performance has obvious improvement,and the power consumption has noticeable decrease as well.

关 键 词：FPGA 口令恢复 ZIP 字典传输 

分 类 号：TP3[自动化与计算机技术—计算机科学与技术]