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miglee

木虫 (正式写手)

[交流] 求代理服务器、调查是否能打开网站

以下是学术网站或专家个人网址，小民无法打开，特向广大网友求助：
调查国内是否可以登录这些网站，并寻求代理服务器。

希望大家支持！

1.你可以打开以下网站吗？

http://www.minrank.org
http://www.cryptosystem.net
http://www.nicolascourtois.me.uk
http://www.nicolascourtois.net

请回复你可以打开的网址；如果不能打开任何网址，请回复：None

2.求以上任一网站的代理服务器（重金酬谢）
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1楼2009-10-28 10:12:54
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liwhite

铁杆木虫 (著名写手)
第一个、第二个地址打开之后都是同一个页面
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5楼2009-10-28 10:33:58
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liwhite

铁杆木虫 (著名写手)
★
miglee(金币+1):谢谢参与
MinRank Foundation.
promoting Multivariate Cryptography




(..) Current encryption technology is based on mathematics developed in the 17th and 18th centuries, elliptic curve cryptography brings it forward into the mathematics of the 19th century (...)


Whitfield Diffie, the inventor of public key cryptography, and now chief security officer at Sun Microsystems, during RSA Conference, Paris, October 2002.

For the 20-th and 21-st centuries, we propose Multivariate Cryptography, that is based on Algebraic Geometry.



Interesting links:

Multivariate/Algebraic Cryptanalysis:
Algebraic attacks on block ciphers: AES, Rijndael, Serpent, Camellia, DES, etc..
Algebraic attacks on stream ciphers
Interesting links: Multivariate Cryptography:
The McEliece_based short signature scheme CFS
The HFE cryptosystem home page
The Minrank Zero-knowledge identification scheme
Quartz /Flash /Sflash signature schemes
Nicolas Courtois research page
TTM cryptosystem, GPT cryptosystem.

打开后觉得很奇怪呢，是不是这个东东哦？
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4楼2009-10-28 10:32:48
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miglee

木虫 (正式写手)
引用回帖:
Originally posted by liwhite at 2009-10-28 10:33:
第一个、第二个地址打开之后都是同一个页面

网址1和2的内容可能相同。
网址3和4的内容可能相同。

请问你是用代理服务器打开的吗？

[ Last edited by miglee on 2009-10-28 at 10:41 ]
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7楼2009-10-28 10:35:18
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liwhite

铁杆木虫 (著名写手)
第三个地址打开是：
Nicolas T. Courtois research page







My research: publications, presentations, talks, reports, courses, slides, + echoes in the press/Internet.



Nicolas T. Courtois, Sean O'Neil and Jean-Jacques Quisquater:  Practical Algebraic Attacks on the Hitag2 Stream Cipher, In 12th Information Security Conference, ISC 2009, Pisa, Italy 7-9 September 2009, Springer LNCS.
Also will be presented at eSmart, the european smart card security conference, September 22-25, Sophia Antipolis, French Riviera, with proceedings (slides presented) being published as a CD-ROM.  
   Card-only attacks on MiFare Crypto-1 cipher.

Nicolas T. Courtois: The Dark Side of Security by Obscurity and Cloning MiFare Classic Rail and Building Passes Anywhere, Anytime , new attack requires only 300 queries to the card and will appear in SECRYPT 2009 - International Conference on Security and Cryptography: 7-10 July 2009, Milan, Italy. A version of this paper is available here.
This paper concerns more than 1 billion of smart cards and compromises very heavily the security of thousands of buildings and several train/bus/parking payment systems in Europe and elsewhere (allowing for example unauthorized access to buildings, travel for free, free parking etc.). Other researchers also found other and different card-only attacks on MiFare Classic but they are more than 10 times more difficult to handle in terms of online time (more queries to the card, for example when standing or sitting next to the victim).
The best practical attack currently known on MiFare Classic is actually a combination of our attack with 300 queries to find the first key (estimated time: 10 seconds with Proxmark3), and the Nested Authentication attack from the Oakland paper to recover all the other keys (which is extremely fast).
Nicolas T. Courtois: Self-similarity Attacks on Block Ciphers and Application to KeeLoq, In International Workshop on Coding and Cryptography, May 10-15, 2009, Ullensvang, Norway.
Algebraic attacks on MiFare Crypto-1 cipher. At eprint.iacr.org/2008/166/ This work was a bit of disappointment: we could recover the key in 12 seconds but this automated cryptanalysis, we did not realise how weak this cipher actually was, and later Dutch researchers have shown a simpler and better attack that does the job in less than 0.1 seconds (in contrast our attack is more generally applicable and can also break Hitag2, to appear soon).
Nicolas Courtois: Improved Brute Force Attacks on KeeLoq, In 6th ESCAR conference - Embedded Security in Cars 2008. Hotel Hafen Hamburg (Germany), 18-19 November 2008.
Nicolas Courtois and Blandine Debraize: Algebraic Description and Simultaneous Linear Approximations of Addition Modulo 2^n, In ICICS 2008, 10th International Conference on Information and Communications Security, 20 - 22 October, 2008, Birmingham, UK. Will appear in LNCS, Springer.Also was presented at SASC 2008 workshop, Lausanne, Switzerland, 13-14 February 2008.
Press report Zlamany szyfr karty Oyster, on the Internet service of Gazeta Wyborcza, one of the biggest Polish daily newspapers.
Côme Berbain, Olivier Billet, Anne Canteaut, Nicolas Courtois, Henri Gilbert, Louis Goubin, Aline Gouget, Louis Granboulan, Cédric Lauradoux, Marine Minier, Thomas Pornin and Hervé Sibert: Sosemanuk , a Fast Software-Oriented Stream Cipher, In New Stream Cipher Designs, The eSTREAM Finalists, LNCS 4986, pp. 98-118, Springer, 2008.
Côme Berbain, Olivier Billet, Anne Canteaut, Nicolas Courtois, Blandine Debraize, Henri Gilbert, Louis Goubin, Aline Gouget, Louis Granboulan, Cédric Lauradoux, Marine Minier, Thomas Pornin and Hervé Sibert: Decim v2, In New Stream Cipher Designs, The eSTREAM Finalists, LNCS 4986, pp. 140-151, Springer, 2008.
Nicolas Courtois, Gregory V. Bard and Andrey Bogdanov: Periodic Ciphers with Small Blocks and Cryptanalysis of KeeLoq , In Tatra Mountains Mathematic Publications, post-proceedings of Tatracrypt 2007 conference, 2009.
Sean O'Neil, Nicolas Courtois: Reverse-engineered Philips/NXP Hitag2 Cipher, presented at the rump session of FSE 2008, Lausanne, 12 February 2008. Source code + nice picture can be found here.
  Nicolas Courtois, Gregory V. Bard and David Wagner: Algebraic and Slide Attacks on KeeLoq. This paper describes 1) the first successful algebraic attack in history on a full round real-life block cipher 2) the fastest attack ever found on KeeLoq. The complexity of the latter is about 2^28  KeeLoq encryptions on average, and can be even 2^23  for a fraction of keys (see our next paper in preparation, not in FSE proceedings). The paper was presented at Fast Software Encryption 2008, Lausanne, Switzerland, February 10-13, 2008, and appears in LNCS Springer, 2008.
See also a VERY OLD version, NOT up-to-date: eprint/2007/062/.
Experimental algebraic cryptanalysis of block ciphers - web page.
Presentation New Frontiers in Symmetric Cryptanalysis, from the invited talk given by N. Courtois at at ECRYPT workshop Tools for Cryptanalysis in Krakow, 24-25 September, full version is available here.
Nicolas Courtois and Blandine Debraize: Specific S-box Criteria in Algebraic Attacks on Block Ciphers with Several Known Plaintexts, to appear in Post-Proceedings of WEWoRC 2007, Western European Workshop on Research in Cryptology, July 4-6, 2007, Ruhr-University Bochum, Germany. To appear in Springer LNCS 4945.
Full-page magazine article in Polish: "Jak sie wlamac do samochodu znanej marki za pomoca kryptoanalizy?", in monthly magazine of academics and students of Military University of Technology, Warsaw, Poland, Nr 7-9, 136-138, July-September 200, page 12, ISSN 1507-9988.
Nicolas Courtois, Gregory V. Bard: Algebraic Cryptanalysis of the Data Encryption Standard, In 11-th IMA Conference, Cirencester, UK, 18-20 December 2007, Springer LNCS 4887.
Was also presented at ECRYPT workshop Tools for Cryptanalysis in Krakow, 24-25 September. See also eprint.iacr.org/2006/402/.
Presentation New Frontiers in Symmetric Cryptanalysis, from the talk given by N. Courtois at rump session of Eurocrypt 2007, available here. Longer and different version was presented at ECRYPT workshop Tools for Cryptanalysis and is available here.
Press report: w attacks on KeeLoq that is used to unlock doors and deactivate the alarm in many cars, see (in Polish) a report on IPSEC.PL online news service.
Another report in Polish: "Czekasz chwile i wchodzisz do dowolnej limuzyny".
Nicolas Courtois, Gregory V. Bard, Chris Jefferson: Efficient Methods for Conversion and Solution of Sparse Systems of Low-Degree Multivariate Polynomials over GF(2) via SAT-Solvers, eprint/2007/024/. Will be presented at ECRYPT workshop Tools for Cryptanalysis in Krakow, 24-25 September.
Nicolas T. Courtois: How Fast can be Algebraic Attacks on Block Ciphers?, in online proceedings of Dagstuhl Seminar 07021 "Symmetric Cryptography" 07-12 January 2007, E. Biham, H. Handschuh, S. Lucks, V. Rijmen (Eds.), available here. ISSN 1862 - 4405, 2007. Also available from eprint.iacr.org/2006/168.
Invited talk at CLC 2006, Darmstadt, Germany 25-27 September 2006.
Nicolas Courtois, Blandine Debraize and Eric Garrido: On Exact Algebraic [Non-]Immunity of S-boxes Based on Power Functions, eprint/2005/203/. In ACISP 2006, 11th Australasian Conference on Information Security and Privacy. 3 - 5 July 2006. Melbourne. Australia.
New methods for attacking block ciphers, article in Polish "Nowe metody ataków na szyfry blokowe", In Security - Computerworld polish edition, 3 April 2006.
Nicolas Courtois: Cryptanalysis of Sfinks, eprint/2005/243/. In ICISC 2005, LNCS 3935, Springer.
Nicolas Courtois, Louis Goubin: An Algebraic Masking Method to Protect AES Against Power Attacks, eprint/2005/204/. In ICISC 2005, LNCS 3935, Springer.
Nicolas Courtois: The Best Differential Characteristics and Subtleties of the Biham-Shamir Attacks on DES, eprint/2005/202/.
Fast Moving Fronts in Computer Science: interview published on the internet on 1st of July 2005, read it here.
C. Berbain, O. Billet, A. Canteaut, N. Courtois, H. Gilbert, L. Goubin, A. Gouget, L. Granboulan, C. Lauradoux, M. Minier, T. Pornin, and H. Sibert: SOSEMANUK, a fast software-oriented stream cipher, submission to ECRYPT call for stream ciphers and presented at SKEW 2005 workshop in Aarhus, Denmark on 26 May 2005.

C. Berbain, O. Billet, A. Canteaut, N. Courtois, H. Gilbert, L. Goubin, A. Gouget, L. Granboulan, C. Lauradoux, M. Minier, T. Pornin, and H. Sibert: DECIM, a new stream cipher for hardware applications, submission to ECRYPT call for stream ciphers and presented at SKEW 2005 workshop in Aarhus, Denmark on 27 May 2005.

Aline Gouget, Hervé Sibert, Côme Berbain, Nicolas Courtois, Blandine Debraize, Chris Mitchell: Analysis of the Bit-Search Generator and sequence compression techniques, FSE 2005, LNCS 3557, pp. 196-214, Springer, 2006.
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8楼2009-10-28 10:35:38
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