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SHA算法,一个安全散列算法,通过把数据变成相应的消息摘要,根据迭代值,进行四次循环运算而产生的消息摘要.-SHA algorithm, a secure hash algorithm, the data into corresponding news summary, according to the value iteration, for the fourth cycle of operation and the news summary.
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SHA-1(Secure Hash Algorithm)是美国国家标准局(National Institute of Standard and Technology NIST)为了配合数位签章演算法(Digital Signature Algorithm DSA)的使用所发布的联邦资讯处理标准-FIPS PUB 180-1(Federal Information Processing Standard Publication 180-1),而SHA-1 则是SHA-1 (FIPS180)的改良版
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Digital Signature Algorithm (DSA)是Schnorr和ElGamal签名算法的变种,被美国NIST作为DSS(DigitalSignature Standard)。算法中应用了下述参数:
p:L bits长的素数。L是64的倍数,范围是512到1024;
q:p - 1的160bits的素因子;
g:g = h^((p-1)/q) mod p,h满足h < p - 1, h^((p-1)/q) mod p > 1;
x:x
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美国安全散列算法,可兼容于嵌入式C程序.已在ICC, KEIL中得到验证,U.S. Secure Hash Algorithm, compatible embedded C program. Has ICC, KEIL been tested in
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SHA是一种数据加密算法,现在已成为公认的最安全的散列算法之一,并被广泛使用,这个是源代码-Baidu Encyclopedia SHA sha_ is a data encryption algorithm, development and improvement of the algorithm encrypted experts over the years have been increasingly sophisticated, and now has become recognize
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安全哈希算法(Secure Hash Algorithm)主要适用于数字签名标准(Digital Signature Standard DSS)里面定义的数字签名算法(Digital Signature Algorithm DSA)。-Secure hash algorithm (Secure Hash Algorithm) is mainly applied to digital signature standard (Digital Signature Standard DSS) which
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安全散列算法的另一种verilog实现,对面积的要求更小,但损失了速度,但在一般系统中,完全可以满足大部分需要了-Secure Hash Algorithm another Verilog realization of the demands of a smaller area, but a loss of speed, but in the general system, fully satisfy the needs of the most
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the hash function FORK-256,256位的安全散列验证算法,SHA-256的替代者。-the hash function FORK-256,256-bit secure hash authentication algorithm, SHA-256 replacement for him.
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This project demonstrates the use of secure hash functions technique
to implement a file encryption / decryption system.
This implemented application can encrypt / decrypt multiple files
on the fly using a password. The password supplied by the
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SHA-2 (Secure Hash Algorithm 2) hash function, written in C language.
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this an open source HMAC message authentication implementation in C language with secure hash algorithm SHA -this is an open source HMAC message authentication implementation in C language with secure hash algorithm SHA
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his a C++ class that implements the Secure Hash Algorithm SHA-1. The purpose of the algorithm is to calculate a strong hash of given bit string. By "strong", we mean that it is very difficult to find a different bit string that results in the same ha
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sha1(安全哈希算法)主要适用于数字签名标准里面的定义的数字签名算法。-sha1 (Secure Hash Algorithm) is mainly used inside the definition of digital signature standard digital signature algorithm.
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安全散列算法(Secure Hash Algorithm)能计算出一个数字消息所对应到的,长度固定的字符串(又称消息摘要)。且若输入的消息不同,它们对应到不同字符串的机率很高;而SHA是FIPS所认证的五种安全散列算法。-sha1 classic C/C++ algorithm
Version 1.5- 2005-01-01
- 64-bit compiler compatibility added
- Made variable wiping optional (defi
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Secure Hash Algorithm(安全哈希算法)进行了简要描述,并对SHA-1算法的原理进行了深入分析。同时采用目前流行的C#语言对SHA-1算法进行了具体研究,设计了SHA-1加密系统。测试结果表明:加密系统可以准确实现中文信息和其他信息的SHA-1加密。-Secure Hash Algorithm (Secure Hash Algorithm), a brief descr iption of the SHA-1 algorithm and the principle of in-
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内含安全散列算法的工具和各C语言代码实现-Secure Hash Algorithm contains the tools and the C language code
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secure hash algorithm
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J安全散列算法是数字签名等密码学应用中重要的
工具!目前最常用的安全散列算法是"#$ &算法’它被广泛
地应用于电子商务等信息安全领域!为了满足应用对安全散
列算法计算速度的需要’该文提出了一种快速计算"#$ &
算法的硬件结构!该方法通过改变硬件结构(引入中间变量’
达到缩短关键路径的目的’进而提高计算速度!这种硬件结
构在)*&+,-工艺下的$"./实现可以达到0*12345的数
据吞吐量’是改进前的两倍以上6它在782$上实现的性能
也接近目前"#$ &算法
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MD5是一个安全的散列算法,输入两个不同的明文不会得到相同的输出值,根据输出值,不能得到原始的明文,即其过程不可逆;所以要解密MD5没有现成的算法,只能用穷举法,把可能出现的明文,用MD5算法散列之后,把得到的散列值和原始的数据形成一个一对一的映射表,通过比在表中比破解密码的MD5算法散列值,通过匹配从映射表中找出破解密码所对应的原始明文。
对信息系统或者网站系统来说,MD5算法主要用在用户注册口令的加密,对于普通强度的口令加密,可以通过以下三种方式进行破解:
(1)在线查询密码。一些在
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SHA加密算法,安全哈希算法(Secure Hash Algorithm)主要适用于数字签名标准(Digital Signature Standard DSS)里面定义的数字签名算法(Digital Signature Algorithm DSA)。-SHA encryption algorithm, Secure Hash Algorithm (Secure Hash Algorithm) is mainly applied to Digital Signature Standard (Dig
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