METHOD AND ELECTRONIC DEVICE FOR MANAGING DIGITAL KEYS

Provided is a method performed by a first electronic device, for managing keys for accessing a plurality of services, the method comprising:creating a plurality of instances corresponding to each of a plurality of service providers (SPs) in an applet, wherein the applet is installed in a security domain (SD);storing a data for a secure channel to an instance, the instance being used to a service provider (SP), wherein the data is received from the service provider;generating a ultra wide band (UWB) session key for a second electronic device based on the stored data;generating a scrambled timestamp sequence (STS) based on the UWB session key; and performing a secure ranging using the STS.