Methods and systems for providing access control to secured data

摘要: In a system for providing access control management to electronic data, techniques secure the data and keep secured at all times are disclosed. According one embodiment, file or document includes two parts: an attachment, referred as header, encrypted portion. The header security information that points rules key. facilitate restrictive essentially determine who/when/how/where can be accessed. key is used encrypt/decrypt Only those who have proper privileges permitted retrieve