System and method of granting a user data processor access to a container of user data

Disclosed herein are systems and methods for granting a user data processor access to a cryptocontainer of user data. In one aspect, an exemplary method comprises, creating a cryptocontainer for user's data, wherein the cryptocontainer receives at least one element of the user's data and encrypts the element; for the user data processor, establishing rights for accessing the element using a first key, and forming at least one access structure, the forming including, placing the first key in the access structure based on the established rights, receiving, from the user data processor, a second key linked to the user data processor which is to be used for accessing the first key, and encrypting the first key with the second key; and when a request for access to the cryptocontainer is received, granting, to the user data processor, access to the cryptocontainer based on the formed at least one access structure.