In this dissertation, two new proxy signature schemes from bilinear pairing are proposed, which are all based on discrete logarithm problem on GDH group. In the first scheme, the proxy signing ability can be revoked during the period of validity. Then, the malicious signer can not sign messages any more. Moreover, in this scheme secure channels are not needed.

本文基于GDH群的離散對數(shù)問題結(jié)合短簽名的特點設(shè)計了兩個代理簽名體制亚洲一级AV黄片，第一個體制可以在證書的有效期內(nèi)撤銷代理簽名權(quán)www被啪啪舒服了，從而防止不誠實的代理簽名者繼續(xù)簽名，而且無需安全信道一级大黄片电影。

Based on discrete logarithms problem,this paper proposes a secure shared signature scheme.

基于離散對數(shù)問題福利在线你懂的，本文給出了一種安全的共享簽名方案。

This was supposed to make the financial system more secure by dispersing risk more widely.

這種做法理應(yīng)使得整個金融系統(tǒng)更加安全女人与拘猛交69，因為它更廣泛的分散了風險精品偷拍第50页视频。

In addition, secure camps tend to remain in existence for more than 6 to 9 months; that is, displaced person situations tend to exist much longer than desired or anticipated.

另外，避難所在6到9個月以上都有存在的必要欧美y，也就是說欧美亚洲欧美亚洲日韩中文视频，患者作為災(zāi)民的狀況會比預(yù)期持續(xù)更長的時間黄色高潮视频在线免费观看。

Once inside the secure zone, you will disrobe .

一旦進入保安區(qū)，你們要脫掉衣服

The continuous process of after the course, hardcover book circle back use live cavity back, that is, the book sealed shell and the nucleus Raphe Magnus only book block of jiaji Division of the phase ring bond, and then lining, book and book-sealed shell system secure.

經(jīng)過工藝的不斷改革和提高亚洲欧美中文日韩V日本，現(xiàn)今圓背精裝書基本上采用活腔背无吗黄片免费视频，即書封殼的中縫僅與書芯的脊部相黏結(jié)，再利用環(huán)襯作用超碰超干，將書芯與書封殼套合牢固一级二级黄色视。

Other Accessories To make your dome even more comfortable and secure.

其他配件為了使您的穹頂更加舒適和安全。

Machine doorframe with embedded design, anti-picklock, security more secure.

機器門框采用內(nèi)嵌式設(shè)計国产熟女一区另类，防撬鎖AV人妻精品无码一区，安全更有保障。

People are looking for and studying the secure substitute which is better than DOP .

人們在尋找和研究比DOP更安全欧美乱辈伦小说、性能更好的代用品色区在线。

It's as if I came full circle I left my secure job, home, relationship, and community six years ago to explore the world (along with nurturing my dream and passion - my book, and everything that comes with that).

就好像一個循環(huán)一樣，六年前日韩乱伦一区二区，為了探知一個未知的新世界91国在线播放，我離開了有保障的工作，家庭欧美美国性交肛交高清，拋棄了所有的關(guān)系性欧美牲交╳XXⅩ╳视频。