陷门

基于单向陷门函数的TMN协议的改进

An Improvement of the TMN Protocol Based on Trapdoor Oneway Functions

根据单向陷门函数的陷门性质，文章设计了一种安全有效的基于RSA的概率公钥密码算法，并对其正确性进行了证明。

Based on trapdoor one-way function , this paper presents a RSA - based probabilistic public-key algorithm with security and efficiency and the correctness of algorithm was proved .

该方案将Chebyshev多项式的状态空间扩展到实数域，从而利用Chebyshev多项式的半群特性构成具有单向带陷门的公钥加密算法，同时又可以避免上述已知密文的攻击。

In the paper we extend the state space of Chebyshev polynomials to the real number domain , employ the semi-group property of Chebyshev polynomials to construct a one-way door-trap function , and avoid the attack .

一次签名是一类基于无陷门单向函数的快速的数字签名，结合使用Merkle树来进行密钥管理，可用来构造组播源认证方案。

One-time Signature is a type of signature scheme which is very fast based on one way function without trapdoor . Together with Merkle Tree , One-time Signature can be used to construct a solution to Multicast Source Authentication problem .

该协议的安全性基于陷门置换的存在性。

Their protocol is based on the existence of trapdoor permutations .

关于陷门背包公开钥密码系统的注记

A note on the trap-door knapsack public - key cryptosystem

对一种双陷门加密体制的分析与改进

Analysis and improvement of a double - trapdoor encryption scheme

提出了一种基于陷门的密码攻击方法，并给出了几个例子。

Cryptographic attack based on trapdoor is presented , examples are given .

对陷门单向函数加密模型的新思考

A New Consideration on the Trapdoor One-Way Function Encryption Model

基于遍历矩阵的单向（陷门）函数的构造方案

Scheme to Construct One-Way ( Trapdoor ) Functions Based on Ergodic Matrices

基于“陷门渐缩”原理的公钥算法

Pubic Key Algorithm Based on a Principle of Trap Knapsack

此外，本方案没有使用陷门离散对数。

Moreover , this scheme does not use the discrete logarithm with trapdoors .

半群上的一类陷门单向映射

A Class of Trap-Door One-Way Mappings on a Semigroup

代数整数环上的一类陷门单向函数

A kind of trap-door one-way function over algebraic integers

本文首次给出半群S上的一类陷门单向映射。

This paper presents a class of trap-door one-way mappings on a semigroup .

基于陷门收缩原理的公钥算法

A Kind of Public Key Algorithm Based on the Principle of " Trap Knapsack "

关于一类陷门单向函数

A kind of trap-door one-way functions

针对这种情况，提出了一个不使用陷门单向函数的电子现金方案，该方案的最大特点是没有使用陷门信息，具有匿名可撤销性。

Aimed to this condition a fair E-cash scheme is proposed without using trapdoor one-way function .

基于陷门的密码攻击

Cryptographic Attack Based on Trapdoor

构成一种公钥加密方案的关键是找到一个带陷门的单向函数。

It is essential to discover a one-way trap-door function in constructing a public-key encryption ( scheme . )

分组密码中的陷门设计

Trapdoor in Block Ciphers

并分析了对背包体制的常用攻击方法，寻找陷门被破解的原因。

And analyses the common attacking method to knapsack cryptosystem , seeks the reason how the trapdoors were found .

设计一种基于离散对数的单向多陷门函数，用于减小更新组密钥时的计算量和通信量。

The one-way multi-trapdoor function based on discrete logarithms is designed to reduce the communication and calculation overheads while updating group keys .

并利用它们的超递增序列特性，将其应用在常规的陷门背包公钥密码体制中。

Because this sequence has the properties of super increasing sequence , it can be applied to general public key cryptosystems of the trapdoor knapsack .

本文首先提出了B-f-△条件，这一条件的存在性等价于单向陷门函数的存在性。

In this paper , " B-f - Δ" condition is presented , the existence of which is equivalent to that of one-way trapdoor function .

为此提出了具有辅助随机变量的陷门单向函数这一概念，用它可以统一概率公钥加密的陷门单向函数模型。

E. trapdoor one-way function with an auxiliary random variable , by which we can also unify the trapdoor one-way function model of probabilistic public key encryptions .

该算法在经典陷门渐缩算法的基础上进行了改进，提出了一种产生私有密钥的新方法。并对算法的复杂度和保密强度进行了分析。

A new algorithm which produce private key is given by improving " trap knapsack " algorithm and its time complexity and degrees of security are analysed .

利用不定方程理论及中国剩余定理，我们设计了一类陷门背包公开钥密码系统，它们具有更好的安全性。

Using the theorem of linear Diophantine equations and the Chinese remainder theorem , we have constructed a class of trap-door knapsack public-key cryptosystems , which have a better security .

它是基于单向陷门函数的一种密码体系，同时基于一种数学难题，可以这样说它研究的核心就是利用数学函数去构造加密算法。

It is based one-way trapdoor function a cryptosystem and a mathematical difficult problem , it could such say , it studies on the core Utilization for mathematical function to structure encryption .

为防止破译，本文采取变形的非超递增序列作为陷门背包向量，来提高背包公钥密码体制的安全性。

In order to prevent encrypting system from being broken , the variant non - super increasing sequence is used as the trapdoor knapsack vector to improve the security of public key cryptosystems .