2 papers
cs.CR2022
Zero Trust Federation: Sharing Context under User Control toward Zero Trust in Identity Federation
Koudai Hatakeyama, Daisuke Kotani, Yasuo Okabe
To securely control access to systems, the concept of Zero Trust has been proposed. Access Control based on Zero Trust concept removes implicit trust and instead focuses on evaluat…
cs.CR2022
Key Management Based on Ownership of Multiple Authenticators in Public Key Authentication
Koudai Hatakeyama, Daisuke Kotani, Yasuo Okabe
Public key authentication (PKA) has been deployed in various services to provide stronger authentication to users. In PKA, a user manages private keys on her devices called authent…