@drikin
論文見つけました
Eavesdropping of Magnetic Secure Transmission Signals and Its Security Implications for a Mobile Payment Protocol - IEEE Xplore
https://ieeexplore.ieee.org/iel7/6287639/6514899/08419696.pdf&ved=2ahUKEwjwkOe5utrkAhWSKqYKHadwCToQFjAYegQIAhAB