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| 1 | An attack on hash function HAVAL-128显示文摘In this paper, we give a fast attack against hash function——HAVAL-128.HAVAL was presented by Y. L. Zheng et al. at Auscrypto’92. It can be processed in 3, 4 or 5 passes, and produces 128, 160, 192, or 224-bit fingerprint. We break the HAVAL with 128-bit fingerprint. The conclusion is that, given any 1024-bit message m, we just make some modifications about m, and the modified message m can collide with another message m’ only with probability 1/27, where m’ = m + △m, in which Am is a fixed difference selected in advance. In addition, two collision examples for HAVAL-128 are given in this paper. | WANG Xiaoyun FENG Dengguo YU Xiuyuan | 2005 | Science in China(Series F)2005，48，5： | 9 |
| 2 | IMPROVEMENT OF NONREPUDIABLE THRESHOLD MULTI-PROXY THRESHOLD MULTI-SIGNATURE SCHEME WITH SHARED VERIFICATION显示文摘In 2005, Bao, et al. [Appl. Math. and Comput., vol.169, No.2, 2005] showed that Tzeng, et al.’s nonrepudiable threshold multi-proxy multi-signature scheme with shared verification was insecure, and proposed an improved scheme with no Share Distribution Center (SDC). This paper shows that Bao, et al.’s scheme suffers from the proxy relationship inversion attack and forgery attack, and pro- poses an improvement of Bao, et al.’s scheme. | Xie Qi Wang Jilin Yu Xiuyuan | 2007 | Journal of Electronics(China)2007，24，6： | 2 |
| 3 | On the estimation of the weakly composite numbers显示文摘 | YU Xiuyuan | 1989 | J of Shandong University1989，24，1： | 1 |
| 4 | The Average Order of Powers of Digit - sums 显示文摘 | YU Xiuyuan | 1996 | Chinese Science Bulletin1996，41，7： | 1 |
| 5 | A theorem on the transcendence and its applications显示文摘 | Yu Xiuyuan | 1997 | Science in China(A)1997，40，8： | 1 |
| 6 | A theorem on the transcendency of a function显示文摘For the transcendency of the limit of a sequence of algebraical functions, a theorem is given. | YU Xiuyuan Hangzhou Teachers College, Hangzhou 310012, China | 1998 | Chinese Science Bulletin1998，43，1： | 0 |
| 7 | Toll-like receptor 4-mediated signaling regulates IL-7-driven proliferation and differentiation of B-cell precursors显示文摘Lipopolysaccharide (LPS ) 被知道是由通过像使用费的受体发信号的成熟 B 房间的有势力使活跃之物 4 (TLR4 ) 。然而,它在早 B 房间开发的影响不是明确的。当比作 C3H/HeN 老鼠时, TLR4 变异的 C3H/HeJ 老鼠在骨头髓在 pro-B 和 pre-B 房间的数字显示出增加。当有教养时,面对 IL-7, pro-B 的增长和大 pre-B,房间被 LPS 显著地禁止,可能由于减少的 IL-7 receptor-α(IL-7Rα) 表示。同时, IgM +/IgD+ B 房间的产生极大地在 pro-B 和 pre-B 房间的 IL-7 文化被提高。与这些结果一致,有 LPS 的处理便于采纳地转移的 B220 + IgM − IgD − 先锋进 IgD + 房间。总的来说,这些数据建议 LPS 在早 B 房间开发有深刻影响,它可以在象细菌的感染那样的生理、病理学的条件下面贡献 deregulated B 房间发展。 | Qian Li Dongmei Han WeiWang Xiaoqing Liu Xiuyuan Sun Jun Zhang Rong Li Yu Zhang | 2014 | Cellular & Molecular Immunology2014，11，2： | 0 |
| 8 | 关于数列极限超越性的一个注记显示文摘利用对代数数序列的极限超越性的分析,我们给出了Mabler关于缺项级数超越性定理的一个推广. | Yu Xiuyuan (Department of Mathematics) | 1997 | 杭州教育学院学报1997，1，6： | 0 |
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