四 、 we adopt encryption and decryption technology based on permutation code 四、我們采用排列碼加密算法進(jìn)行加密、解密。
In this paper we mainly study the realization of digital signature card based on permutation code 本文主要研究基于排列碼加密解密算法的數(shù)字簽名智能卡的實(shí)現(xiàn)。
Permutation code broke through the traditional concept of block algorithm , and improved the encrypt intensity greatly 排列碼加密解密算法突破了傳統(tǒng)的分組密碼的舊觀念,使加密強(qiáng)度有了較大幅度的提高。
Compare dbs aes with permutation code , we found use encryption and decryption technology based on permutation code , can ensure the encrypted software ca n ' t be pirated 對(duì)比des 、 aes ,說明使用排列碼加密算法,是可以保證被加密的軟件安全性的。
The secret hash digital signature is a new siganture method that combines the ideas of rsa public - key algorithm , md5 one - way hash function and permutation code at the same time 保密散列數(shù)字簽名算法利用rsa公鑰密碼體制的原理、 md5單向散列函數(shù)和排列碼加密的思想,構(gòu)造了一種能夠快速實(shí)現(xiàn)數(shù)據(jù)保密、數(shù)字簽名的簽名方案。
The system makes full use of the principle of public key , message digest and permutation code accomplished rapidly data encryption and data transmission , digital signature 應(yīng)用這種安全算法的網(wǎng)絡(luò)數(shù)據(jù)傳輸系統(tǒng)利用公鑰密碼體制的原理、消息摘要和排列碼加密算法的思想,構(gòu)造了一種能夠?qū)崿F(xiàn)數(shù)據(jù)快速加密、快速傳輸、并具有數(shù)字簽名功能的安全傳輸系統(tǒng)。
We regulate a command - response pair for the encryption / decryption operation based on permutation code , combining rsa and md5 used in cos safety module , and bring forward a safety transmission process for documentation 并給排列碼加密解密操作賦予相應(yīng)的命令應(yīng)答對(duì),結(jié)合智能卡操作系統(tǒng)的安全模塊中的rsa算法和md5算法,提出了使用這種數(shù)字簽名卡進(jìn)行文件安全傳輸?shù)倪^程。
The permutation code encryption and its key management and digital signature by rsa contribute to the high intensity combination security algorithm which is verified by both theory analysis and simulation results with high running speed 理論和實(shí)驗(yàn)結(jié)果均表明,應(yīng)用排列碼算法加密明文數(shù)據(jù)并結(jié)合rsa算法進(jìn)行密鑰管理和數(shù)字簽名可以得到加密強(qiáng)度很高的安全算法且算法的運(yùn)行速度也很快。
The secret hash digital signature is a new signature method that combines the ideas of rsa public - key algorithm , md5 one - way hash function and permutation code at the same time , which is more secret , occupies less space and runs in higher speed 保密散列數(shù)字簽名算法結(jié)合了rsa公鑰密碼體制、 md5單向散列函數(shù)和排列碼加密解密算法的思想,實(shí)現(xiàn)了一種速度快、保密性強(qiáng)的數(shù)字簽名方案。
It ' s worth notice that , because the efficiency of public - key cipher is low , we introduce symmetric cipher , permutation code , and asymmetric cipher , rsa algorithm into the system to advance the efficiency of the whole system 值得指出的是,由于公鑰密碼體制效率較低,所以該系統(tǒng)采用對(duì)稱密碼算法和公鑰密碼算法相結(jié)合,采用排列碼加密解密算法和rsa算法相結(jié)合,充分利用兩者的優(yōu)點(diǎn),彌補(bǔ)其不足。