secure hash algorithm 中文意思是什麼
secure hash algorithm
解釋
安全保密擾亂演算法-
The algorithm have the good one - way property, high sensitivity to initial values and good security due to the intrinsic characteristic of chaotic system and rijndael algorithm. the simulation experiment demonstrates the convenience and good hash performance ; 3 ) a new scheme of digital voice secure communication was proposed based on chaotic modulation without additional synchronization. the modulation sequence generated by chaotic logical mapping was used to encrypt the digital voice signal
混沌系統和rijndael演算法的固有特點使該演算法具有較好的安全性、對初值有高度的敏感性以及較好的單向性能，並且易於實現，是一種有效的單向hash函數； 3 ）研究了一種無需同步的基於混沌調制的數字語音保密通信系統的方案，利用邏輯映射產生混沌調制序列，以該序列作為密碼對數字語音進行加密處理，為了更好的隱匿信號特徵，混沌調制在小波分解的基礎上，對不同的通道使用不同的參數進行，並借鑒混沌掩蓋對信息信號進行了限幅處理，使密文完全隨機化。 -
A secure authentication and key exchange protocol is designed in this thesis, which could prevent man - in - the - middle attack, increasing the reliability of authentication and security of key exchange. the data encryption module is implemented by openssl including symmetry key algorithm, public key algorithm, hash function. the system ’ s function is tested finally, the data transmission rate using different encryption algorithm
研究並設計了一套基於數字證書和數字簽名技術的身份認證協議和密鑰交換協議，能夠有效地防止中間人的竊取和篡改，提高了身份認證的可靠性和密鑰交換的安全性;利用openssl標準庫函數實現系統的數據加密模塊，實現對稱加密、非對稱加密以及信息摘要的常用演算法。 -
This article brings forward an application of a new encryption algorithm and secret hash digital signature that aim at the insecure factors. at the base of these algorithms we can realize the secure credit card system, which can accelerate the development of credit card. in this paper we firstly discuss the general concepts of applied cryptography, and then introduce the mostly used modern encryption methods and technologies
本文首先介紹了應用密碼學的基本概念，然後介紹了目前常用的加密技術，認真分析了對稱密鑰加密方法、公開密鑰加密方法等加密技術的優缺點，提出了一種新型的分組加密方法? ?排列碼加密解密演算法以及基於該演算法的保密散列數字簽名演算法，並將其應用於信用卡系統，從而在一定程度上降低了信用卡因遺失、被盜、假卡等因素造成的損失。
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