_ 今年の目標の一つとして、プログラミングの勉強のために「毎日何でもいいから何かコードを書く」ことにしようと決めたのだが、早速初日から失敗してしまった(そもそもPCにコンパイラが入っていなかったことに気が付いた)。日付が変わってしまったが、さっき急いで書いたhello_worldを初日分ということにしよう。
_ IACR ePrint 2015/1249まで確認済み、ECCC 2003年分まで確認済み
_ 気になった論文:Quantum Cryptography Beyond Quantum Key Distribution
, Anne Broadbent and Christian Schaffner, http://eprint.iacr.org/2015/1242
Quantum cryptography is the art and science of exploiting quantum mechanical effects in order to perform cryptographic tasks. While the most well-known example of this discipline is quantum key distribution (QKD), there exist many other applications such as quantum money, randomness generation, secure two- and multi-party computation and delegated quantum computation. Quantum cryptography also studies the limitations and challenges resulting from quantum adversaries---including the impossibility of quantum bit commitment, the difficulty of quantum rewinding and the definition of quantum security models for classical primitives.
In this review article, aimed primarily at cryptographers unfamiliar with the quantum world, we survey the area of theoretical quantum cryptography, with an emphasis on the constructions and limitations beyond the realm of QKD.
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