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quant-ph2011★ 6 cited
Non-Interactive Statistically-Hiding Quantum Bit Commitment from Any Quantum One-Way Function
Takeshi Koshiba, Takanori Odaira
We provide a non-interactive quantum bit commitment scheme which has statistically-hiding and computationally-binding properties from any quantum one-way function. Our protocol is…
quant-ph2010
A Weak Quantum Oblivious Transfer
K. Y. Cheong, Min-Hsiu Hsieh, Takeshi Koshiba
Due to the commonly known impossibility results, information theoretic security is considered impossible for oblivious transfer (OT) in both the classical and the quantum world. In…
quant-ph2007★ 12 cited
Security Notions for Quantum Public-Key Cryptography
Takeshi Koshiba
It is well known that Shor's quantum algorithm for integer factorization can break down the RSA public-key cryptosystem, which is widely used in many cryptographic applications. Th…