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encryption

加密,是以某種特殊的算法改變原有的信息數據,使得未授權的用戶即使獲得了已加密的信息,但因不知解密的方法,仍然無法了解信息的內容。在航空學中,指利用航空攝影像片上已知的少數控制點,通過對像片測量和計算的方法在像對或整條航攝帶上增加控制點的作業。
  • ava加密擴展即Java Cryptography Extension

    ava加密擴展即Java Cryptography Extension,簡稱JCE。它是Sun的加密服務軟件,包含了加密和密匙生成功能。JCE是JCA(Java Cryptography Architecture)的一種擴展。 JCE沒有規定具體的加密算法,但提供了一個框架,加密算法的具體實現可以作為服務提供者加入。除了JCE框架之外,JCE軟件包還包含了SunJCE服務提供者,其中包括許多有用的加密算法,比如DES(Data encryption Standard)和Blowfish。 為簡單計,在本文中我們將用DES算法加密和解密字節碼。下面是用JCE加密和解密數據必須遵循的基本步驟: 步驟1:生成一個安全密匙。在加密或解密任何數據之前需要有一個密匙。密匙是隨同被加密的應用一起發布的一小段數據,Listing 3顯示了如何生成一個密匙。 【Listing 3:生成一個密匙】

    標簽: Cryptography Extension Java ava

    上傳時間: 2015-03-26

    上傳用戶:nanxia

  • FlexCompress is a high-speed compression library developed to provide archive functionality for your

    FlexCompress is a high-speed compression library developed to provide archive functionality for your applications. This solution provides flexible compression and strong encryption algorithms that allows you to integrate archiving or backup features into your programs in a fast and easy way.

    標簽: functionality FlexCompress compression high-speed

    上傳時間: 2015-04-04

    上傳用戶:s363994250

  • 這是一篇有關混沌在視頻中加密的文章

    這是一篇有關混沌在視頻中加密的文章,題目為:A fast video encryption scheme based-on chaos。不過看看懂還是要花一些時間的,不過我可以和大家交流。還有這是英文作寫。

    標簽: 混沌 加密 視頻

    上傳時間: 2015-04-09

    上傳用戶:zhaiyanzhong

  • Base64 demonstrates how easy it is to decipher plaintext usernames and passwords. Never login to a

    Base64 demonstrates how easy it is to decipher plaintext usernames and passwords. Never login to a public network resource unless some type of encryption is being used, secure socket layer is one example. Most FTP sites also use plaintext passwords.

    標簽: demonstrates plaintext passwords usernames

    上傳時間: 2013-12-04

    上傳用戶:aeiouetla

  • rsa加密算法的vc實現

    rsa加密算法的vc實現,可以實現1024位的加密-the source code of rsa algorithm in vc,which can do 1024bits encryption.

    標簽: rsa 加密算法

    上傳時間: 2014-08-24

    上傳用戶:蟲蟲蟲蟲蟲蟲

  • PeerSec Networks MatrixSSL?is an embedded SSL implementation designed for small footprint applicatio

    PeerSec Networks MatrixSSL?is an embedded SSL implementation designed for small footprint applications and devices. PeerSec Networks offers a fully supported, commercial version as well as an open source version that is available for download. PeerSec MatrixSSL allows secure management of remote devices. Several secure embedded Web servers also use MatrixSSL for their encryption layer.

    標簽: implementation applicatio MatrixSSL footprint

    上傳時間: 2014-01-18

    上傳用戶:561596

  • Make and answer phone calls Detect tone and pulse digit from the phone line Capture Caller ID

    Make and answer phone calls Detect tone and pulse digit from the phone line Capture Caller ID Support blind transfer, single-step transfer/conference, consultation transfer/conference, hold, unhold. Control of the local phone handset, microphone and speaker of the modem Send and receive faxes Play and record on the phone line or sound card Play music in background mode Silence detection VU Meter Wave sound editor that allows your end-users to edit their own sound files. Voice recognition and voice synthesis. Full control over the serial port device ZModem file transfer utility File compression and encryption utility

    標簽: phone and Capture Detect

    上傳時間: 2013-11-30

    上傳用戶:水中浮云

  • What Does the code DO? Sometimes we may desire to hide our file contents from others.One of the poss

    What Does the code DO? Sometimes we may desire to hide our file contents from others.One of the possible way is encrypting these files.Here a simple encryption technique is used(In VB - The same technique can be implemented in "c" also.) Program flow Explained * Open the File to be encrypted for Binary Access Read(Say Source File) * Open a temparory file where encrypted data is stored for Binary Access Write(Say Destination File) * Loop through the Source File Byte by Byte * For each byte read from the file, Complement the data. (Using Not operator (in C we have to use "~" operator) * Write Complemented Data to Destination File * Delete the Source File * Rename Destination file as Source File(Now encryption is over)

    標簽: Sometimes the contents desire

    上傳時間: 2013-12-25

    上傳用戶:playboys0

  • The Microsoft® Cryptographic Application Programming Interface (CryptoAPI) provides services that

    The Microsoft® Cryptographic Application Programming Interface (CryptoAPI) provides services that enable application developers to add authentication, encoding, and encryption to their Microsoft Win32® -based applications. Application developers can use the functions in the CryptoAPI without knowing anything about the underlying implementation, in much the same way as they can use a graphics library without knowing anything about the particular graphics hardware configuration.

    標簽: Cryptographic Application Programming Microsoft

    上傳時間: 2013-12-27

    上傳用戶:pinksun9

  • This library allows creating, modifying and extracting zip archives in the compatible way with PKZIP

    This library allows creating, modifying and extracting zip archives in the compatible way with PKZIP (2.5 and higher) and WinZip. Supported are all possible operations on the zip archive: creating, extracting, adding, deleting files from the archive, modifications of the existing archive. There is also the support for creating and extracting multiple disk archives (on non-removable devices as well) and for password encryption and decryption. This module uses compression and decompression functions from zlib library by Jean-loup Gailly and Mark Adler.

    標簽: compatible extracting modifying creating

    上傳時間: 2014-12-22

    上傳用戶:chfanjiang

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