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jiamijiemicodesource
- 计算机信息的保密显得越来越重要。数据保密变换，或密码技术，是对计算机信息进行保护的最实用和最可靠的方法。现阶段计算机硬盘以及其他大容量存储介质代替了纸张成为信息存储的主要方式,随之带来的信息安全问题也日渐突出,电子文档的信息安全成为一个至关重要的问题.电子文档的安全问题发生在两个场合:动态的传输途中、静态的存储形式.对于电子文档的传输安全,可以通过数据加密技术先加密再传输、保证电子文档的合法性和完整性 要完成的工作： 1． 对网络安全的基本概念和基本原理有一个了解。 2． 对各
s-des算法分析及实现
- :ＤＥＳ体制是ＩＳＯ颁布的数据加密标准,通过对ＤＥＳ算法的分析,提出了用Ｃ语言实现数据加密标准ＤＥＳ算法,通过循环或迭代,将简单的基本运算(例如左移、右移、模2加法等)和变换(选择函数、置换函数)构造成数据流的非线性变换(加密变换或解密变换),从而实现对计算机数据进行密码保护。着重介绍了用Ｃ语言实现其加密的主要过程。关键词:数据加密 ＤＥＳ Ｃ语言-: DES system is ISO issued by the Data Encryption Standard, DES algorithm
dct_508cycles
- 这是linux环境下的DCT变换的程序，应用ADI的汇编指令，程序完整（包括makefile文件），使用交叉编译环境，可直接在ADIBlakefinDSP上运行-This is a linux environment DCT transform process, the application of ADI' s compilation of instructions, complete the procedure (including the makefile file), use th
an_intellegent_audio_water_marking_based_on_dwt-s
- All three, Discrete Wavelet Transform (DWT) - Singular Value Decomposition (SVD) and Adaptive Tabu Search (ATS) have been used as mathematical tools for embedding data into an audio signal. In this paper, we present a new robust audio waterma
AES
- 详细描述了AES加密算法的过程及S盒变换，用VHDL语言描述，通俗易懂-AES encryption algorithm is described in detail the process and transform S box, with the VHDL language to describe, easy to understand
luaghing
- 一款用C语言编写的虚拟魔方程序，含有原代码，大约300行，含有随机变换等功能。初学和精通C语言的网友可别错过哟！-A virtual Rubik s Cube program written in C, containing the original code, about 300 lines, containing a random transform functions. Beginners and proficient users of the C language can not mis
dnst
- This program can be used to do S transform for data either in SAC format or segy format.you can also do denoising use that program.
csumcpfruser
- Add-on to transform csum_partial_copy_nocheck in checksumcopy.S into csum_partial_copy_from_user by adding exception records.
sha1-armv7-neon
- sha1-armv7-neon.S - ARM NEON accelerated SHA-1 transform function.
sha2-ce-core
- sha2-ce-core.S - core SHA-224 SHA-256 transform using v8 Crypto Extensions.
sha512-armv7-neon
- sha512-armv7-neon.S - ARM NEON assembly implementation of SHA-512 transform.
canoncam-gcan.tar
- Canon camera unfortunately does not plug&play its flash memory card as mass storage but the camera appears in Scanners and cameras list. It seems logical but it brings many problems because it s not possible to open files stored in the camera directl