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CP-consensus: a Blockchain Protocol Based on Synchronous Timestamps of Compass Satellite
blockchainBlockchain consensus throughput
2017/11/1
Bitcoin, the first decentralized cryptocurrency, achieves great success but also encounters many challenges. In this paper, we mainly focus on Bitcoin's five challenges: low network synchronization; p...
A Real-time Inversion Attack on the GMR-2 Cipher Used in the Satellite Phones
Satellite Phone Stream Cipher GMR-2
2017/7/6
The GMR-2 cipher is a kind of stream cipher currently being used in Inmarsat satellite phones. It has been proven that such cipher can be cracked using only one frame known keystream but with a modera...
High-precision Secure Computation of Satellite Collision Probabilities
Secure Computation Numerical Analysis
2016/3/23
The costs of designing, building, launching and maintaining satellites make satellite operators extremely motivated to protect their on-orbit assets. Unfortunately, privacy concerns present a serious ...
Secure Floating-Point Arithmetic and Private Satellite Collision Analysis
secure floating-point arithmetics satellite collision analysis benchmark results
2014/3/5
In this paper we show that it is possible and, indeed, feasible to use secure multiparty computation for calculating the probability of a collision between two satellites. For this purpose, we first d...
