The Journal of China Universities of Posts and Telecommunications
Secure and efficient anonymous proxy signature scheme in the random oracle model
ZHANG De-dong, MA Zhao-feng, NIU Xin-xin, LI Guo-you
Acta Metallurgica Sinica(English letters) . 2013, (4): 87 -92 .  DOI: 10.1016/S1005-8885(13)60074-6

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