DES算法的入口参数有三个:Key、Data、Mode。其中Key为8个字节共64位,是DES算法的工作密钥;Data也为8个字节64位,是要被加密或被解密的数据;Mode为DES的工作方式,有两种:加密或解密,如果Mode为加密,则用Key去把数据Data进行加密,生成Data的密码形式作为DES的输出结果;如Mode为解密,则用Key去把密码形式的数据Data解密,还原为Data的明码形式作为DES的输出结果。在使用DES时,双方预先约定使用的”密码”即Key,然后用Key去加密数据;接收方得到密文后使用同样的Key解密得到原数据,这样便实现了安全性较高的数据传输。
上传时间: 2017-05-21
上传用户:水口鸿胜电器
DATA REGION is about matlab and OFDM
上传时间: 2013-12-17
上传用户:894898248
this is the sample code for reading data from aduc 848 adc. this is the c file.
上传时间: 2014-02-04
上传用户:大三三
this is the sample file for displaying data on lcd for energy meter for pic microcontroller
标签: for microcontroller displaying energy
上传时间: 2013-12-30
上传用户:ddddddos
A book on Algorithms and Data structures using C++
标签: Algorithms structures using book
上传时间: 2014-01-10
上传用户:yyyyyyyyyy
J2ME mobile application to upload data to a Java Servlet
标签: application Servlet mobile upload
上传时间: 2017-05-24
上传用户:123啊
Java Servlet to capture data from a Java Mobile appication and save the data in Mysql database
标签: Java data appication database
上传时间: 2017-05-24
上传用户:zm7516678
Bluetooth application to send data to any mobile phone with bluetooth access
标签: application Bluetooth bluetooth access
上传时间: 2017-05-24
上传用户:dyctj
data structures教案,第一章数组与广义表
标签: structures data 教案
上传时间: 2014-01-23
上传用户:yangbo69
A paper that I presented on Supervisory Control and Data Acquisition (SCADA) won the second prize at the symposium conducted by the Electrical and Electronics Engineering department of the SRM University. Other topics on which I presented papers were Performance enhancement of wireless sensor networks using directional antennas, Smart card application and wireless communication. Also my research idea titled “Wavelet Based Image Compression Using SPIHT Algorithm “secured third prize in a technical festival.
标签: Supervisory Acquisition presented Control
上传时间: 2014-01-12
上传用户:zhouli