Various aspects of a method and system for digital rights management of encrypted digital content are disclosed herein. The method includes determination of a seed value from a pre-stored vault file that corresponds to a registered user. The determination of the seed value is based on biometric information provided by the registered user. The method further includes generation of a set of intermediate values based on the determined seed value. The generation of the set of intermediate values is based on a pre-determined rule. The method further includes determination of a content key based on the generated set of intermediate values.