Systems and methods for remote ownership and content control of media files on untrusted systems

A method comprising:

• receiving, from a remote client device, a request to access encrypted content within a superfile, the request comprising user credential information, the superfile stored in a memory device of the remote client device and comprising encrypted content;
• determining a level of authorization to access the encrypted content;
• in response to determining the level of authorization:
• providing cryptographic information to the remote client device;
• and
• while the superfile is open at the remote client device, receiving and storing usage information from the remote client device associated with the encrypted content.

A method comprising:

• receiving, from a remote client device, an indication of a creation of a new superfile;
• creating one or more records in a data store associated with the new superfile;
• storing one or more cryptographic keys in the one or more records, one of the one or more keys used to encrypt content in the superfile;
• and
• receiving and storing a copy of the superfile.