SECORA™ ID Key S USB Java Card™ based FIDO2 authenticator solution The SLJ38DUA283KE is a member of the SECORA™ ID Key family, optimized for FIDO security key applications. The SLJ38DUA283KE is a Java Card™ solution with pre-loaded FIDO2 applet (CTAP2.1) from the Infineon Applet Collection. It offers an efficient OS, an easy implementation, a rapid design-in, and a fast time-to-market for FIDO security key implementations for device-bound passkeys.