METHOD FOR INITIALIZING A COMPUTERIZED SYSTEM AND COMPUTERIZED SYSTEM AGAINST ROLLBACK ATTACKS

摘要

A method for initializing a computerized system (1) by executing a boot-script (5) having an associated private security key (X i ), wherein the computerized system (1) comprises a first secure storage device (2) for storing a plurality of public keys (Y 1 - Y N ) each having a public key index (k 1 - k N ) assigned thereto and a second secure storage device (3) for storing a current key index (k), wherein the boot-script (5) is only executed if a public key (Y i ) selected from the plurality of public keys (Y 1 - Y N ) is uniquely related to the private security key (X i ) such as to form a unique key pair with the private security key (X i ) and has a booting key index (k i ) having a predetermined relationship with the current key index (k).