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2的16次幂正整数d与n,编写计算d-1 (mod n) 的程序;
2、对于三个不超过2的16次幂正整数a、e与n,编写计算ae (mod n) 的程序。
在上述程序基础上写出下列程序:
(1) 对给定的10000以内数判定其是否为素数;
(2) 进行ElGamal体制的加密与签名。
-two of 16 power-positive integer d and n, calculate the preparation of d-1 (mod n); 2. For not m
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这个程序是网络信息安全概论课的课程实践,自己动手编写一个具于1024位大数
运算的ELGamal加密系统。
ELGamal 依赖大数运算,目前主流ELGamal算法都建立在512 到1024位的大数运算之上。
而大多数的编译器只能支持到64位的整数运算,即我们在运算中所使用的整数必须小
于等于64位,即:0xffffffffffffffff,也就是18446744073709551615,这远远达不
到RSA 的需要,于是需要专门建立大数运算库来解决这一问题-network
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本项目实现Elgalma体制的加解密,公私钥生成后分别放于不同的文件中。用该密码体制实现了对任意数据类型的加解密以及实现了数据签名验证算法。本项目中我实现的是32位的算法。其中,数字签名验证算法是对hash摘要值(SHA-1算法产生的)进行签名,并进行验证。,The project implementation Elgalma system encryption and decryption, public and private key to generate, after put in a
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采用C++实现公钥加密算法ELGamal对文件的加、解密,The use of C++ realization of public key encryption algorithm on the document ELGamal Encryption and Decryption
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另一种公开密钥加密算法的Pascal实现和例子。实现了签名和确认- Another kind of public key encryption algorithm Pascal
realization and example. Realized has signed and confirmed
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Implementation Of ELGAMAL Public key encryption in C . it can use very long key os size 2007 decimal digit.
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el gamal decryption and encryption example
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ElGamal算法既能用于数据加密也能用于数字签名,其安全性依赖于计算有限域上离散对数这一难题。
-ElGamal algorithm is used for both data encryption can also be used for digital signatures, their safety depends on the calculation of the discrete logarithm over finite fields this problem.
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Elgamal encryption project, created with visual basic 6. Support text files input and output. Generate automatic public and private key.
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实现模逆,模幂,AES,ElGamal的密码加解密功能-To achieve modular inversion, modular power, AES, ElGamal encryption and decryption of the password
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使用vc实现的elgamal算法,可以实现对文件的加解密,效率很高,欢迎下载-Use vc achieved elgamal algorithm can be achieved on the document encryption and decryption, efficient, please download the
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密码学课设Elgamal加密算法 vc++下实现的-Elgamal encryption algorithm
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elagmal加解密程序,用于非对称加密解密程序,带有测试数据-elagmal encryption and decryption program for non-symmetric encryption and decryption procedures, with test data
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使用bouncy castle 的jar包实现的ElGamal加密模块,以及测试用例,需要导入bouncy castle包(内附),并且你需要在JDK的JRE环境中,或者是JRE环境中配置上local_policy.jar和US_export_policy.jar(压缩包内已有jdk6和7的)。
切换到 JDK_Home \jre\lib\security目录下,对应覆盖local_policy.jar和US_export_policy.jar两个文件。同时,你可能有必要在 JRE_Hom
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----------ElGamal encryption- ----------ElGamal encryption------
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Elgamal密码算法,用mfc做的界面,实现elgamal的加密、解密和签名-Elgamal cryptographic algorithms, interface with mfc do realize elgamal encryption, decryption and signature
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Elgamal加密的实现,产生大数,进行大数运算。分为密钥产生、加密、解密三部分。-Elgamal encryption implementations, resulting in large numbers, were large numbers operation. Divided key generation, encryption, decryption three parts.
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椭圆曲线密码,可用于非对称方法的加密解密等,在C程序上运行(Elliptic curve cryptography, can be used for asymmetric methods of encryption, decryption, etc., running on the C program)
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利用polarssl里提取的大数库做的elgamal加密和签名(ElGamal encryption and signature using large library extracted from polarssl)
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实现elgamal加解密
在VC6.0下面(Realization of ElGamal encryption and decryption)
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