Book
Passkey no Subete (Everything About Passkeys)
Adoption, UX Design, and Implementation
agektmr, Masaru Kurahayashi, Kosuke Koiwai
Summary
A Japanese-language guide to passkeys, the passwordless authentication technology co-developed by companies including the three major platform providers Apple, Google, and Microsoft, now being adopted across services from large enterprises to small and midsize businesses, written by agektmr, Masaru Kurahayashi, and Kosuke Koiwai. The book answers what a passkey is, then compares it against the shortcomings of earlier authentication technology to explain what passkeys do better and what characteristics matter when adopting them. It works through UX design for the registration, authentication, and account-management screens a passkey implementation needs, and explains concrete implementation in detail for websites as well as iOS and Android. Coverage runs from the history that precedes passkeys through to the current specification.
Target Readers
- Planning and product-management staff evaluating whether to adopt passkeys for their service
- Web designers and frontend developers who need to design the registration, authentication, and account-management screens a passkey implementation requires
- Security staff and authentication-design owners who need passkey implementation explained concretely for both websites and native iOS and Android apps
Tags
Colophon
- Publisher
- Gijutsu-Hyohron
- ISBN
- 978-4-297-14653-5
- Published
- Jan 2025
- List price
- ¥3,300incl. taxMay differ from the actual selling price on Amazon
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Prerequisites
- Recommended
Ango Gijutsu Nyumon, 3rd Edition (An Introduction to Cryptography)
Alice in the Land of Secrets
Hiroshi Yuki
Reason: Passkeys apply public-key cryptography to authentication. Reading this after the crypto basics makes it click why no password is stored on the server and why phishing resistance emerges — down to verifying the challenge signature.