METHOD AND SYSTEM FOR SHARING CONTENTS WITH REMOVABLE STORAGE
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
N/A
app pub date -
Jan 3, 2017
filing date -
Jun 28, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Disclosed is a content sharing method and system using an external memory. A method for transmitting encrypted contents to an external memory device list includes receiving a device list and public keys for devices, encrypting a domain key by using a public key to generate at least one device domain key, and transmitting the device domain key to the external memory. The method for performing encrypted contents further includes checking a public key of a device, extracting a device domain key corresponding to a public key checked by at least one device domain key stored in an external memory, decoding the extracted device domain key, decoding the encrypted contents by using the decoded device domain key, and performing the decoded encrypted contents. According to the present invention, since a single piece of contents stored in an external memory is reproducible by a plurality of devices, the existing problem of repeatedly settling the single piece of contents is solved and external memory resources are efficiently used.
First Claim
Other Claims data not available