2 papers
quant-ph2008
Secure Quantum Passwords
Masahiro Hotta, Masanao Ozawa
We propose a quantum authentication protocol that is robust against the theft of secret keys. In the protocol, disposable quantum passwords prevent impersonation attacks with stole…
gr-qc1998
Asymptotic Isometry and Two Dimensional Anti-de Sitter Gravity
Masahiro Hotta
We analyze canonical asymptotic isometry of two dimensional AdS dilaton gravity in detail.