Java TOTP/HOTP library for two-factor authentication (2FA). RFC 6238 compliant with constant-time verification, replay attack prevention, QR code generation, and zero required dependencies. Drop-in 2FA for Spring Boot and Java applications.
Version ▼VulnerabilitiesRepositoryUsagesDate
1.0.x
1.0.3Central
0
Apr 05, 2026
1.0.1Central
0
Feb 15, 2026
1.0.0Central
0
Feb 07, 2026