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300_encrypt
- 加密算法 Test Driver for Crypto++, a C++ Class Library of Cryptographic Primitives: - To generate an RSA key cryptest g - To encrypt and decrypt a string using RSA cryptest r - To calculate MD5, SHS, and RIPEMD-160 message digests:
sharpprivacy_src
- SharpPrivacy - OpenPGP for C#: SharpPrivacy is an OpenPGP implementation in C#. It can be used to encrypt and sign data, created OpenPGP compatible keys, and a lot more. This article explains how to use the library in your own .NET application or
RSA解密和加密算法的实现和应用
- RSA算法 :首先, 找出三个数, p, q, r, 其中 p, q 是两个相异的质数, r 是与 (p-1)(q-1) 互质的数...... p, q, r 这三个数便是 person_key,接著, 找出 m, 使得 r^m == 1 mod (p-1)(q-1)..... 这个 m 一定存在, 因为 r 与 (p-1)(q-1) 互质, 用辗转相除法就可以得到了..... 再来, 计算 n = pq....... m, n 这两个数便是 public_key ,编码过程是, 若资料为 a,
CRC.rar
- CRC-16算法的C语言实现(以常见的CRC-ITU为例引出的比特型算法)。,CRC-16 algorithm of the C language (in common CRC-ITU as an example of bit-based algorithm for extraction).
MD5ArchiveValidator
- 一个命令行下的MD5校验工具 ,用法:MD5AV [-c] [-f<FolderName>] [-h] [-n<FileName>] [-o<OutputFolder>] [-r] [-v] [-x<FolderName]-MD5ArchiveValidator (MD5AV) is a utility to confirm the accurate storage of files through MD5 Checksums. For each fil
dvb_ca_port_code
- dvb ca 移植接口代码及文档说明。有对ST、V、I、C卡的处理说明,并给出了怎样使一台机顶盒支持多种智能卡的伪代码! -dvb ca transplant interface code and documentation. There ST, V, I, C cards to deal with that, and given how to make a set-top box supports a wide range of smart cards Pseudocode!
RSA
- 输入明文,用rsa算法加密,然后输出加密后的密文,再用此算法解密,输出解密后的明文。-Input plaintext, using rsa encryption algorithm, and then the output encrypted ciphertext, and then decrypt this algorithm, the output of the plaintext after decryption.
4bits_BCH
- BCH 算法 编译码c code,t=4, k=4096-communication and storage system ECC algorithms
1008
- Julius Caesar曾经使用过一种很简单的密码。对于明文中的每个字符,将它用它字母表中后5位对应的字符来代替,这样就得到了密文。比如字符A用F来代替。如下是密文和明文中字符的对应关系。 密文 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 明文 V W X Y Z A B C D E F G H I J K L M N O P Q R S T U 你的任务是对给定的密文进行解密得到明文。 你需要注意
CProgramming
- InsightThis a very different book on the C language! In an easy, conversational style, Peter van der Linden, of Sun s compiler and OS kernel group, presents dozens of astonishing examples drawn from practical experience, including: - Software th
sm4
- GM/T 0002-2012 SM4分组密码 c code-GM/T 0002-2012 SM4 block cipher c code
DesCrypt
- vc2008工程, C++实现的DES加密和解密静态库,可以对文件加密和解密,也可以内存中加密和解密,及使用实例,测试通过。-请键入文字或网站地址,或者上传文档。 取消 Vc2008 gōngchéng, C++shíxiàn de DES jiāmì hé jiěmì jìngtài kù, kěyǐ duì wénjiàn jiāmì hé jiěmì, yě kěyǐ nèicún zhōng jiāmì hé jiěmì, jí shǐyòng shílì, cèshì tōng
de4dot-2.0.3
- C#反编译神器,基本上C#写的程序都能反编译。-de4dot is an open source (GPLv3) .NET deobfuscator and unpacker written in C#. It will try its best to restore a packed and obfuscated assembly to almost the original assembly. Most of the obfuscation can be completely restore
RSA
- 利用C\C++实现RSA算法的加、解密运算。 具体包括: 1)利用扩展的Euclid计算 a mod n 的乘法逆元; 2)Miller-Rabin素性测试算法对一个给定的大数进行测试; 3)实现的运算,并计算; 4)利用Euler定理手工计算,并与3)计算的结果对比; 5)实现RSA算法。并对 I LOVE NANJING UNIVERSITY OF AERONAUTICS AND ASTRONAUTICS 加解密。说明:为了方便实现,分组可以小一点,比如两个字母一组。
de4dot-master-SOURCE
- de4dot is an open source (GPLv3) .NET deobfuscator and unpacker written in C#. It will try its best to restore a packed and obfuscated assembly to almost the original assembly. Most of the obfuscation can be completely restored (eg. string encryption
Cipher
- 置换密码算法的原理是不改变明文字符,只将字符在明文中的排列顺序改变,从而实现明文信息的加密。置换密码也叫换位密码。 试编程实现矩阵换位密码。它的加密方法是将明文中的字母按照给定的顺序安排在一个矩阵中,然后用根据密钥提供的顺序重新组合矩阵中的字母,形成密文。例如,明文为attack begins at five,密钥为cipher,将明文按照每行6个字母的形式排在矩阵中,如下形式: a t t a c k b e g i n s a t f i v e 根据密钥ciphe