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Description: 使用VB写的加密算法库，包括Blowfish, IDEA, Triple DES (3DES), DES, DESE, Gost, Skipjack, TEA, Cast5, Serpent-128, Serpent-192, Serpent-256, Rijndael-128, Rijndael-192, Rijndael-256, RC2, RC4, and Twofish), six popular hash algorithms (SHA-1, SHA-256, MD2, MD4, MD5, and RipeMD), 还有 Huffman和Base64算法.
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Description: 本人基于William Stalling的《密码学与网络安全》实现的128位DES加密算法-William Stalling on "Cryptography and Network Security" Achieving 128 - DES encryption algorithm
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Size: 37681 |
Author: 谢星伟 |
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Description: IDEA是一个分组长度为64位的分组密码算法，密钥长度为128位（抗强力攻击能力比DES强），同一算法既可加密也可解密。
IDEA的“混淆”和“扩散”设计原则来自三种运算，它们易于软、硬件实现（加密速度快）：
-IDEA is a packet length of the 64 block cipher algorithms, key length of 128 (anti strong offensive capability than-DES), the same encryption algorithm can be declassified. IDEA's "confusion" and "proliferation" design principles from the three operators, easy software and hardware to achieve (encryption speed) :
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Description: MD5的全称是Message-digest Algorithm 5（信息-摘要算法），在90年代初由MIT Laboratory for Computer Science和RSA Data Security Inc,的Ronald L. Rivest开发出来，经MD2、MD3和MD4发展而来。它的作用是让大容量信息在用数字签名软件签署私人密钥前被\"压缩\"成一种保密的格式（就是把一个任意长度的字节串变换成一定长的大整数）。不管是MD2、MD4还是MD5，它们都需要获得一个随机长度的信息并产生一个128位的信息摘要。虽然这些算法的结构或多或少有些相似，但MD2的设计与MD4和MD5完全不同，那是因为MD2是为8位机器做过设计优化的，而MD4和MD5却是面向32位的电脑。这三个算法的描述和c语言源代码在Internet RFC 1321中有详细的描述（http://www.ietf.org/rfc/rfc1321.txt），这是一份最权威的文档，由Ronald L. Rivest在1992年8月向IETF提交。
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Author: wangweiyang |
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Description: libGringotts是一个小型、易于使用的、完全线程的C语言库，最初为Gringotts开发。它的目的是将数据封闭在一个加密和压缩的文件中。它使用加密算法（(RIJNDAEL 128/256, SERPENT, TWOFISH, CAST256, SAFER+, LOKI97, 用于加密的3DES, 以及哈希函数的SHA1和 RIPEMD-160)来确保数据尽可能安全，并允许用户对所有使用的加密、哈希函数和压缩算法有完全的控制。 -libGringotts is small, is easy to use, the entire line
regulation C language storehouse, at first is the Gringotts
development. Its goal is the data seal in an encryption and in the
compression document. It uses the encryption algorithm ((RIJNDAEL
12.8/256, million SERPENT, TWOFISH, CAST256, SAFER, LOKI97, uses in
3DES which encrypts, as well as Hasche function SHA1 and RIPEMD-160)
guarantee the data to be as far as possible safe, and the permission
user to all uses encryption, the Hasche function and the compression
algorithm has the complete control.
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Author: 薛某某 |
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Description: 使用VB写的加密算法库，包括Blowfish, IDEA, Triple DES (3DES), DES, DESE, Gost, Skipjack, TEA, Cast5, Serpent-128, Serpent-192, Serpent-256, Rijndael-128, Rijndael-192, Rijndael-256, RC2, RC4, and Twofish), six popular hash algorithms (SHA-1, SHA-256, MD2, MD4, MD5, and RipeMD), 还有 Huffman和Base64算法.- Uses encryption algorithm storehouse which VB writes, including
Blowfish, IDEA, Triple DES (3DES), DES, DESE, Gost, Skipjack, TEA,
Cast5, Serpent-128, Serpent-192, Serpent-256, Rijndael-128,
Rijndael-192, Rijndael-256, RC2, RC4, and Twofish), six popular hash
algorithms (SHA-1, SHA-256, MD2, MD4, MD5, and RipeMD), but also has
Huffman and the Base64 algorithm
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Author: none |
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Description: 本人基于William Stalling的《密码学与网络安全》实现的128位DES加密算法-William Stalling on "Cryptography and Network Security" Achieving 128- DES encryption algorithm
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Size: 37888 |
Author: 谢星伟 |
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Description: 程序采用当前最先进的Rijndael算法作为核心算法，带有可变块长和可变密钥长度的迭代块密码。块长和密钥长度可以分别指定成 128、192 或 256 位。假设一台一秒内可找出DES密钥的机器(如，每秒试255个密钥)，如果用它来找出Rijndael的密钥，大约需要149万亿年。程序内部还使用了其它算法和符合密钥学的数据结构。多线程操作，保证加密时程序界面流畅,程序是用VS2005,C#做的，现将源程序发布在此。供初学者学习，希望对大家有所帮助。-procedures using the most advanced as a core Rijndael algorithm, with variable block length and variable length of the key block iterative password. Block length and key length can be designated as bit or 256. A second assumption Taiwan can identify with the DES key machines (for example, 255 per second key test), if it is used to identify the key Rijndael, approximately 149 Letters. Internal procedures are also used with other key algorithm and data structure of school. Multithreading operation to ensure that encryption program interface and smooth procedure is hashed, C# done. now source release here. For beginners learning, we hope to help.
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Author: huji |
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Description: DES( Data Encryption Standard)算法，于1977年得到美国政府的正式许可，是一种用56位密钥来加密64位数据的方法。
IDEA是International Data Encryption Algorithm 的缩写,是1990年由瑞士联邦技术学院来学嘉X.J.Lai 和Massey提出的建议标准算法称作PES( Proposed Encryption Standard) 。Lai 和Massey 在1992 年进行了改进强化了抗差分分析的能力改称为IDEA 它也是对64bit大小的数据块加密的分组加密算法密钥长度为128位它基于“相异代数群上的混合运算”设计思想算法用硬件和软件实现都很容易且比DES在实现上快的多。IDEA自问世以来，已经经历了大量的详细审查，对密码分析具有很强的抵抗能力，在多种商业产品中被使用。-DES (Data Encryption Standard) algorithm. in 1977 the United States government's official permission, is a key 56 to 64 data encryption methods. IDEA is the International Data Encryption Algorith m initials yes in 1990 by the Swiss Federal Institute of Technology Xuejia Lai X. J. Massey, and the recommendations of the standard operator France called the PES (Proposed Encryption Standard). Lai and Massey in 1992 by improving strengthened against differential analysis of the capacity it renamed IDEA is the size of the 64 bit encryption of the data block encryption algorithm key to a length of 128 based on "different algebra Groups of mixed operation "design algorithm with hardware and software and is easy to achieve than in DES soon have more. Since the inception of IDEA has go
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Author: zengzl |
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Description: IDES加密解密文本文件,使用64位数据分组,128位密钥进行加密.-IDES text file encryption and decryption, the use of data to a 64, 128-key encryption.
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Author: liudongxiao |
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Description: 3DES算法是增强型的DES算法,使用128位密钥长度, CBC模式使用反馈机制的分组密码使用模式.-3DES algorithm is enhanced by DES algorithm, the use of 128-bit key length, CBC mode of use of a feedback mechanism password usage patterns.
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Author: liudongxiao |
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Description: 前几天刚下的一个ASP的AES源码
输入keySize密钥长度(128、192、256),Src明文字符串，Key密钥字符串,
明文字符串不能超过 &HFFFF长度,输出：密文十六进制字符串
-just a few days ago under an ASP source input keySize AES key length (128, 192,256), Src expressly string, Key Key string, the string can not exceed expressly
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Author: 段锐凡 |
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Description: MD5的全称是Message-digest Algorithm 5（信息-摘要算法），在90年代初由MIT Laboratory for Computer Science和RSA Data Security Inc,的Ronald L. Rivest开发出来，经MD2、MD3和MD4发展而来。它的作用是让大容量信息在用数字签名软件签署私人密钥前被"压缩"成一种保密的格式（就是把一个任意长度的字节串变换成一定长的大整数）。不管是MD2、MD4还是MD5，它们都需要获得一个随机长度的信息并产生一个128位的信息摘要。虽然这些算法的结构或多或少有些相似，但MD2的设计与MD4和MD5完全不同，那是因为MD2是为8位机器做过设计优化的，而MD4和MD5却是面向32位的电脑。这三个算法的描述和c语言源代码在Internet RFC 1321中有详细的描述（http://www.ietf.org/rfc/rfc1321.txt），这是一份最权威的文档，由Ronald L. Rivest在1992年8月向IETF提交。
-err
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Author: wangweiyang |
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Description: 高级加密标准（AES）是一个用来代替数据加密标准（DES）的算法。目前使用的一般为128,196和256位密钥，这三种密钥都是
相当安全的-Advanced Encryption Standard (AES) is used to replace the Data Encryption Standard (DES) algorithm. Currently used in general for 128,196 and 256-bit keys, these three keys are quite safe
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Author: panjijun |
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Description: AES作为新一代的数据加密标准汇聚了强安全性、高性能、高效率、易用和灵活等优点。AES设计有三个密钥长度:128,192,256位，相对而言，AES的128密钥比DES的56密钥强1021倍。AES算法主要包括三个方面：轮变化、圈数和密钥扩展。-AES as a new generation of Data Encryption Standard security brings together strong, high performance, high efficiency, the advantages of easy-to-use and flexible. AES has three key design Length: 128192256, relatively speaking, AES 128-key keys than DES 56-fold strong 1021. AES algorithm mainly includes three aspects: round of changes in the number and key ring expansion.
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Author: Xu Enliang |
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Description: DES, 3DES, AES-128, AES-256 encryption and decryption.
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Author: Tong Liu |
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Description: AES VERILOG CODE 128 192 32DES比較-AES VERILOG CODE 128 192 32DES Comparison
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Author: 蕭嵎之 |
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Description: 128为最快速的DES算法例子，新学习的童鞋可以-128 DES algorithm is the fastest example, new shoes can learn a good look. . .
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Author: DouMen |
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Description: Synchronisation fréquentielle (CFO)
Le processus d’estimation en utilisant le préambule comprend les étapes suivantes :
- Extraire le premier symbole de préambule à partir du paquet reç u.
- Multiplier les 128 premiers échantillons avec le conjugué complexe des 128 échantillons du premier symbole de préambule.
- Estimation de l’angle entre les 128 multiplications.
- Calculer la moyenne des vecteurs d angle.
- Divisez la valeur moyenne par 2?.- Synchronisation fréquentielle (CFO)
Le processus d’estimation en utilisant le préambule comprend les étapes suivantes :
- Extraire le premier symbole de préambule à partir du paquet reç u.
- Multiplier les 128 premiers échantillons avec le conjugué complexe des 128 échantillons du premier symbole de préambule.
- Estimation de l’angle entre les 128 multiplications.
- Calculer la moyenne des vecteurs d angle.
- Divisez la valeur moyenne par 2?.
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Author: mejsi |
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Description: 通过C语言实现的AES CMAC加密和解密算法。上传文件为完整的VC6工程目录。AES加密算法即密码学中的高级加密标准（Advanced Encryption Standard，AES），又称Rijndael加密法，是美国联邦政府采用的一种区块加密标准。这个标准用来替代原先的DES，已经被多方分析且广为全世界所使用。经过五年的甄选流程，高级加密标准由美国国家标准与技术研究院 （NIST）于2001年11月26日发布于FIPS PUB 197，并在2002年5月26日成为有效的标准。AES 算法基于排列和置换运算。排列是对数据重新进行安排，置换是将一个数据单元替换为另一个。AES 使用几种不同的方法来执行排列和置换运算。 AES 是一个迭代的、对称密钥分组的密码，它可以使用128、192 和 256 位密钥，并且用 128 位（16字节）分组加密和解密数据。与公共密钥密码使用密钥对不同，对称密钥密码使用相同的密钥加密和解密数据。通过分组密码返回的加密数据的位数与输入数据相同。迭代加密使用一个循环结构，在该循环中重复置换和替换输入数据。(AES CMAC encryption and decryption algorithm C language. VC6 upload files to complete the project directory . AES encryption algorithm that is Cryptography Advanced Encryption Standard (Advanced Encryption Standard, AES), also known as Rijndael encryption method, a block encryption standard adopted by the U.S. federal government . This standard is used to replace the original DES, has been widely analyzed and multi used around the world . After five years of the selection process , the Advanced Encryption Standard by the American National Institute of Standards and Technology (NIST) on November 26, 2001 Posted in FIPS PUB 197, and May 26, 2002 became effective standards . AES algorithm based on permutation and substitution operations. Data re- arrangement is arranged , is replaced with a replacement unit of data to another . AES using several different methods to perform alignment and replacement operations. AES is an iterative , symmetric key block password , it can use 128, 192, and )
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Author: lixiaoke |
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