| 密码算法的现状和发展研究 |
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| 引用本文： | 秦志光.密码算法的现状和发展研究[J].计算机应用,2004,24(2):1-4. |
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| 作者姓名： | 秦志光 |
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| 作者单位： | 电子科技大学,计算机科学与工程学院,四川,成都,610054 |
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| 摘 要： | 密码技术的核心是密码算法。该文在介绍密码学基本概念的基础上，论述和分析了密码算法的发展现状。在对称(私钥)密码算法方面，重点研究DES存在的问题和AES的特点；在公钥密码算法方面，重点研究RSA及其应用中存在的问题、ECC的优点及应注意的问题、NTRU算法的特点等。最后对密码算法本身及其应用等的未来作了展望。
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| 关 键 词： | 密码技术 算法 高级加密标准（AES） 椭圆曲线加密体制（ECC） NTRU算法（NTRU） |
| 文章编号： | 1001-9081(2004)02-0001-04 |
| 修稿时间： | 2003年12月30 |
Cryptography Algorithm- Survey and Trends |
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| QIN Zhi-guang.Cryptography Algorithm- Survey and Trends[J].journal of Computer Applications,2004,24(2):1-4. |
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| Authors: | QIN Zhi-guang |
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| Abstract: | Cryptography algorithm is the core of cryptography technology. Based on the introduction of some theoretical backgrounds, this paper discusses and analyses the update state of the cryptography algorithm. In studying symmetric-key (secret key) cryptography algorithm, the disadvantages of DES and the advantages of AES are analysed. In studying public-key cryptography algorithm, RSA and its unfavorable situation, ECC and its benefits, and some precautions in using ECC are discussed. Besides, NTRU is described and investigated. The paper ends with the perspectives of cryptography algorithm ,its applications and standardization. |
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| Keywords: | cryptography technology algorithm Advanced Encryption Standard(AES) Elliptic Curve Cryptosystem(ECC) Number Theory Research Unit algorithm(NTRU) |
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