A wireless communication device communicates with a GPRS wireless network where ciphering has gone out of sync between the wireless communication device and the wireless network. The wireless communication device triggers an authentication procedure that re-synchronizes the ciphering. Following the trigger, the wireless communication device and the wireless network continue the authentication procedure so that ciphering parameters can be negotiated again and data communication can resume.

A system and method are disclosed for activating remote monitoring functionality of a personal wireless device associated with a released individual. After incarceration, former inmates are released under a variety of different circumstances, many of which require follow-up check-ins with case managers or other individuals. As part of their release, inmates often agree to multiple restrictions and requirements. In order to better monitor compliance with those requirements, a personal wireless device assigned to the released individual can be programmed with certain rules and automatically trigger when a violation is detected. As a result of a detected violation, the personal wireless device activates certain devices, such as a camera, microphone, etc., to capture data in order to remotely monitor the released individual. A case manager can also manually activate monitoring.

A system and method are disclosed for activating remote monitoring functionality of a personal wireless device associated with a released individual. After incarceration, former inmates are released under a variety of different circumstances, many of which require follow-up check-ins with case managers or other individuals. As part of their release, inmates often agree to multiple restrictions and requirements. In order to better monitor compliance with those requirements, a personal wireless device assigned to the released individual can be programmed with certain rules and automatically trigger when a violation is detected. As a result of a detected violation, the personal wireless device activates certain devices, such as a camera, microphone, etc., to capture data in order to remotely monitor the released individual. A case manager can also manually activate monitoring.

This invention provides a secure method for sending data—private, arrival-time messaging. Private, arrival-time messaging is based on classical physics and not quantum mechanics. It insures a private language for communicators with privately-synchronized clocks. In this method, there is no encrypted message available to an eavesdropper. A private message is mapped onto a time measurement known only to an intended sender and an intended receiver such that a third party knowing only the arrival time of the message and not the time measurement can never know the private message.

Disclosed herein are systems, methods, and non-transitory computer-readable storage media for erasing user data stored in a file system. The method includes destroying all key bags containing encryption keys on a device having a file system encrypted on a per file and per class basis, erasing and rebuilding at least part of the file system associated with user data, and creating a new default key bag containing encryption keys. Also disclosed herein is a method of erasing user data stored in a remote file system encrypted on a per file and per class basis. The method includes transmitting obliteration instructions to a remote device, which cause the remote device to destroy all key bags containing encryption keys on the remote device, erase and rebuild at least part of the file system associated with user data, and create on the remote device a new default key bag containing encryption keys.

Disclosed herein are systems, methods, and non-transitory computer-readable storage media for erasing user data stored in a file system. The method includes destroying all key bags containing encryption keys on a device having a file system encrypted on a per file and per class basis, erasing and rebuilding at least part of the file system associated with user data, and creating a new default key bag containing encryption keys. Also disclosed herein is a method of erasing user data stored in a remote file system encrypted on a per file and per class basis. The method includes transmitting obliteration instructions to a remote device, which cause the remote device to destroy all key bags containing encryption keys on the remote device, erase and rebuild at least part of the file system associated with user data, and create on the remote device a new default key bag containing encryption keys.

Techniques for providing data protection in an integrated circuit are provided. A method according to these techniques includes exchanging messages with an off-chip, non-volatile memory to securely initialize an anti-replay counter (ARC) value in the integrated circuit based on an ARC value stored in the off-chip, non-volatile memory, and maintaining the ARC value stored in the integrated circuit such that the ARC value stored in the integrated circuit remains synchronized with the ARC value stored in the off-chip, non-volatile memory.

A computer-implemented method for processing an asset within a supply chain includes: providing a first distributed ledger maintained by nodes within a first distributed consensus network; providing a second distributed ledger maintained by nodes within a second distributed consensus network; creating the asset by a supply chain first entity associated with at least one node within the first network, and providing a digital certificate uniquely associated with the asset for authentication; creating a first transaction record in the first distributed ledger representing an asset transfer and its associated digital certificate from the first entity to a supply chain second entity associated with at least one node within the first network; and creating a second transaction record in the second distributed ledge representing an asset transfer and its associated digital certificate from the second entity to a supply chain third entity associated with at least one node within the second network.

A computer-implemented method for processing an asset within a supply chain includes: providing a first distributed ledger maintained by nodes within a first distributed consensus network; providing a second distributed ledger maintained by nodes within a second distributed consensus network; creating the asset by a supply chain first entity associated with at least one node within the first network, and providing a digital certificate uniquely associated with the asset for authentication; creating a first transaction record in the first distributed ledger representing an asset transfer and its associated digital certificate from the first entity to a supply chain second entity associated with at least one node within the first network; and creating a second transaction record in the second distributed ledge representing an asset transfer and its associated digital certificate from the second entity to a supply chain third entity associated with at least one node within the second network.

Block header hashes of a blockchain are used as tokens for time stamps. Since the blockchain is ubiquitous with the block header hashes randomly generated and are practically immutable, the time stamps using the block header hashes are secure. A time stamping system uses a block header hash as a time stamp can be used to time stamp digitalized representation of a physical object. The time stamped digitalized representation of a physical object can be used as proof of current ownership of the physical object if the time stamp is adequately recent.