block encryption 中文意思是什麼

block encryption 解釋
分塊加密
  • block : n 1 片，塊，大塊；粗料，毛料；木料；石料；金屬塊；【建築】塊料，砌塊；【地質學；地理學】地塊。2 ...
  • encryption : 編成密碼
  1. Data encryption standard cipher block chaining packet encryption

    數據加密標準密碼分組鏈接分組加密
  2. Cipher block chaining mode is the default cipher mode for xml encryption

    密碼塊鏈接（ cbc ）模式是xml加密的默認密碼模式。
  3. As regards cryptographic algorithm, according to database encryption requirement for cryptosystem, we adopt block cipher, which is high intensity and fast, based on analysing and comparing several popular cryptographic algorithm ; and resolve cipher message expansion problem through making improvement of block cipher with " cipher message whmovement "

    在數據的加密演算法上，本文在分析比較目前常用的加密演算法的基礎上，依據數據庫加密對密碼系統的要求，採用了保密強度大且速度快的分組密碼；並用「密文挪用法」對分組密碼進行改進，解決了加密后數據擴張的問題。
  4. Specifies the block cipher mode to use for encryption

    指定用於加密的塊密碼模式。
  5. In the design and analysis of block cipher, considering the noncontinuity of encryption and decryption of advanced encryption standard - rijndael algorithm and the arbitrariness of the choice of polynomialm ( x ), we change the modular polynomial and the polynomials used in process of encryption and decryption, which the encryption polynomial and the decryption polynomial are the same polynomials in our choices. the new algorithm have more continuity

    在分組密碼的設計與分析方面：針對美國即將推出的高級加密標準rijndael演算法的加解密的不一致性和rijndael演算法中模多項式的選取隨意性，我們修改了rijndael演算法中的模多項式和加解密所用的多項式，使得加解密取相同的多項式，這樣加密與解密具有更多相容性。
  6. Abstract aiming at the defects of diffusion function with lower diffusing speed and needing multiple round iteration to resist differential attack in the image encryption algorithm based on chaotic block cipher, a new chaotic image encryption algorithm based on output ? cryptograph mixed feedback was proposed

    摘要針對現有基於混沌分組密碼的圖像加密演算法中，擴散函數擴散速度慢、需要多輪迭代才能抵抗差分攻擊的缺點，提出了一種新的基於密文和輸出混合反饋的混沌圖像加密演算法。
  7. In cryptography, the additional characters added to a plaintext message, to ensure that its length is an integral number of blocks for encryption by a block cipher

    在密碼學中，為了使明文信息的長度為分組密碼加密中所用的塊的整數倍，而在明文中添加的附加字元。
  8. In view of the commonly - used block cipher and public key cryptography, this article focuses on the improvement we have made for the algorithms about aes, dbs, ecc and rsa. based on the dsp chip tms320c6201 from ti company, we have accomplished the speed of 0. 92 usec per aes encryption / decryption, 1. 335 usec per dbs encryption / decryption, and 3

    針對目前信息安全體系中常用的分組密碼和公鑰密碼演算法，本文著重改進了des 、 aes的快速演算法實現，並在基於ti公司dsp晶元tms320c6201的系統中實現了0 . 92usec加（解）密一個aes分組， 1 . 335usec加（解）密一個des分組， 3 . 585usec加（解）密一個tdea分組；同時通過改造，使montgomery約化更易於進行并行處理，並通過改進橢圓曲線密碼（ ecc ）底層運算和倍點演算法，使得rsa和橢圓曲線密碼的實現速度得到了極大的提高。
  9. Block ciphers use the same encryption algorithm for each block

    塊密碼對每個塊使用相同的加密演算法。
  10. Block encryption protocol

    分組加密協議
  11. The resulting encryption provides a higher level of security than a simple block encryption

    所產生的加密比簡單的塊加密提供更高的安全級別。
  12. In this demonstration, i use the tripledes block encryption algorithm of the sunjce cryptography provider

    在這個演示中，我使用了sunjce密碼術供應商的tripledes塊加密演算法。
  13. Because this behavior can be used to crack a cipher, cipher modes are introduced that modify the encryption process based on feedback from earlier block encryptions

    由於此行為可用來破解密碼，引入了根據以前塊加密的反饋修改加密過程的密碼模式。
  14. In cbc mode, blocks of text are encrypted sequentially, with the result of the previous block encryption being used to alter the current plaintext block before it is encrypted

    在cbc模式中，文本塊是連續加密的，在加密當前明文塊之前，用前一次塊加密的結果修改當前明文塊。
  15. Section 2 studies the database access management technology based on microsoft sql server 2000 which is the nuclear technology of database management module in data synchronization system sever, and emphisizes on ole db database access technology. section 3 introduces two kinds of block cipher algorithm used in data synchronization system. : gost algorithm and rijndael algorithm, meanwhile offers interfaces in which encryption algorithm can be userdefined. this is the necleus of encryption module in data synchronization system server and client. section 4 studies network transmission management technology. this section mainly explores programming model and the network interface technology using completion ports to develop server which is the key technology of network transmission management module in data synchronized system server and client. section 5 introdues the brief using approach in data synchronized system server and client as well as some improvement suggestion

    第二部分研究了基於microsoftsolserver2000的數據庫訪問管理技術，著重介紹oledb數據庫訪問技術。它是數據同步系統服務器端數據庫管理模塊的核心技術。第三部分介紹了數據同步系統中利用的兩種分組密碼演算法： gost演算法和rijndael演算法，同時給出了一個用戶可以自定義加密演算法的介面。
  16. The computer data encryption card pcijmc2000 en / decrypts data with dsp running software encryption program and fpga sealed with block cipher

    計算機數據加密卡pcijmc2000採用dsp與fpga實現數據加、解密， fpga中固化有分組密碼演算法， dsp運行軟體加密演算法。
  17. Firstly, we discuss the general concepts of computer security and cryptology and describe the mostly used modem encryption methods and public key technologies including other typical algorithms. secondly, we put up a new combined security algorithm applied in the data transmission at network system on the base of introducing permutation code encryption ( a new type of block cipher ), and design the transmission system

    本文首先討論了數據加密技術中主要的數據加密方法，詳細討論了傳統密碼加密方法和公開密鑰加密方法及其他典型加密方法，並介紹了一種新型的分組密碼演算法?排列碼加密演算法，進而提出了一種應用於網路數據傳輸中的安全演算法。
  18. I use a block cipher algorithm for encryption that requires the clear data bytes to be in blocks of 8 bytes, so i pad the last incomplete block with some characters

    我對需要將明文數據位元組放在8位元組塊的加密使用塊密碼演算法，所以我用一些字元填充最後一個不完整的塊。
  19. The block cipher is one of the two aspects of the modern applied cryptography systems. it has some characteristics - the fast speed, the easy standardization, convenient implement by software and hardware, and so on. the block cipher always is the main parts of the data encryption, digital signature, authentication and key management in the security of information and network

    分組密碼是現代密碼體制發展的兩個方向之一，它具有速度快、易於標準化和便於軟硬體實現等特點，通常是信息與網路安全中實現數據、數字簽名、認證和密鑰管理的核心體制，因此分組密碼在計算通信和信息系統安全領域中具有廣泛的應用。
  20. The additional operation to pad 0 or 1 to the beginning of the message blocks makes the length extension attack not to be work. the method to construct the encryption block based on aes makes the algorithm stay safe under the differential cryptanalysis. the secure domain extension method makes it resist on the multi - collision attack

    演算法附加的填充操作使它能抵抗長度擴展攻擊、所採用的基於aes的加密模塊使它能抵抗差分分析、採用的安全的域擴展使它能抵抗多沖突攻擊、採用的安全pgv方案使它能有效抵抗固定點攻擊;總體上，它能達到
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