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[Crack HackELGamaltool

Description: 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 information security Introduction of the course in practice, personally prepared with a majority in the 1024 operations ELGamal encryption system. ELGamal rely on large numbers efficiently, Currently mainstream ELGamal algorithms are built on 512-1024 Operators of large numbers above. Most of the compiler can only support 64-bit integer operations, Operators that we are used to be rounded up to less than 64, namely : 0xffffffffffffffff. 18446744073709551615 is, it is far less than the needs of the RSA, therefore need to establish specialized majority of the operation to resolve this problem
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