Abstract: Provided are a method and device for reporting a capacity, a method and device for key agreement, a terminal and a communication device and system. The terminal sends anti-pseudo base station capacity indication information to the communication device, and the anti-pseudo base station capacity indication information can indicate an anti-pseudo base station capacity of the terminal to the communication device. The communication device can determine the anti-pseudo base station capacity of the terminal after acquiring the anti-pseudo base station capacity indication information sent by the terminal, and perform an authentication and key agreement process matching the anti-pseudo base station capacity of the terminal and an anti-pseudo base station capacity of a target base station.

Abstract: Provided are an authentication processing method and device, a storage medium, and an electronic device. The method includes that: a terminal receives an authentication request message from an authentication function; and in cases where authentication on the authentication request message fails, the terminal feeds back an authentication failure message to the authentication function. In cases where the cause of the authentication failure is a Message Authentication Code (MAC) failure and in cases where a cause of authentication failure is a Synchronization (Sync) failure, the terminal feeds back authentication failure messages of the same type to the authentication function.

Abstract: An anti-pseudo base station method and apparatus, and a computer-readable storage medium are provided. The anti-pseudo base station method includes: sending, by a base station, first anti-pseudo base station capacity information to a mobile terminal, wherein the first anti-pseudo base station capacity information is used for identifying an anti-pseudo base station capacity of the base station.

Abstract: Provided are an authentication processing method and device, a storage medium and an electronic device, the method includes: a terminal receives a first authentication request message from a network side; the terminal determines whether the number of times of receiving the first authentication request message is greater than a predetermined threshold; and when the number of times is greater than the predetermined threshold, the terminal stops responding to the first authentication request message.

Abstract: Provided are a key derivation method and device. The method includes: acquiring a slice identifier corresponding to a network slice to which a user equipment is currently attached, where the slice identifier uniquely identifies the network slice; and transmitting the slice identifier to a designated communication device. The slice identifier is configured to instruct the designated communication device to derive, according to the slice identifier, an intermediate key required by the network slice. By means of the technical solution described above, the problem in the related art that a slice function cannot be implemented normally due to the fact that different network slices probably use the same intermediate key may be solved, and different network slices may correspond to different intermediate keys, thereby avoiding a case that the slicing function cannot be implemented normally caused by allocating the same intermediate key to different network slices.

Abstract: An electrical assembly includes an electrical connector mounted upon a PCB and receiving a CPU therein, and a liquid Nitrogen heat dissipation device is mounted upon the PCB and intimately seated upon the CPU to remove the heat therefrom. The liquid Nitrogen heat dissipation device includes a case forming a chamber to receive the liquid Nitrogen therein. A plurality of fixing arms extend outwardly and radially to fix the liquid Nitrogent heat dissipation device in position. A fixing seat is attached upon the PCB to precisely located the CPU in position with regard to the electrical connector.

Abstract: A recommendation system uses a trained two-headed attention fused autoencoder to generate likelihood scores indicating a likelihood that a user will interact with a content item if that content item is suggested or otherwise presented to the user. The autoencoder is trained to jointly learn features from two sets of training data, including user review data and implicit feedback data. One or more fusion stages generate a set of fused feature representations that include aggregated information from both the user reviews and user preferences. The fused feature representations are inputted into a preference decoder for making predictions by generating a set of likelihood scores. The system may train the autoencoder by including an additional NCE decoder that further helps with reducing popularity bias. The trained parameters are stored and used in a deployment process for making predictions, where only the reconstruction results from the preference decoder are used as predictions.

Abstract: The present application discloses a method, device, and system for providing security credentials to access a non-public network. The method includes receiving, by a terminal, an identifier of a first network and corresponding encryption information. The first network includes a non-public network. The encryption information includes encrypted security credentials for the first network. The terminal receives the identifier of the first network and the corresponding encryption information from a second network that is different from the first network. The method further includes decrypting, by the terminal, the encryption information. The encryption information is decrypted based at least in part on default credentials corresponding to the identifier of the first network. The security credentials of the first network are obtained based at least in part on the decrypted encryption information.

Abstract: Methods, systems, and devices related to related to digital wireless communication, and more specifically, to techniques related to securing a user authentication procedure. In one exemplary aspect, a method for wireless communication includes transmitting an authentication message from a network node. The method also includes determining a failure value indicating a reason for failure of the authentication message. The method also includes encrypting the failure value and an identifier. The method also includes transmitting an encrypted response message to the network node. In another exemplary aspect, a method for wireless communication includes transmitting an authentication message to a terminal. The method also includes receiving an encrypted response message from the terminal. The method also includes decrypting the encrypted response message to determine the failure value and the indicator.

Abstract: proviced is an authentication method based on a GBA, and the method includes: a BSF receives an initialization request message sent by a UE, wherein the initialization request message carries a first identifier of the UE, and the first identifier comprises at least one of the following: a SUCI, an identifier converted from the SUCI, and a TMPI associated with the subscriber identity; the BSF acquires an AV of the UE according to the first ID; the BSF completes GBA authentication with the UE according to the acquired AV. In this way, the privacy of the SUPI is protected for the UE, and the SUCI or the identifier converted from the SUCI is used to perform the bootstrapping process of the GBA, thereby improving the security of the GBA authentication process.

Abstract: An electrical connector assembly for connecting the CPU and the printed circuit board, includes an electrical connector and a back plate respectively mounted upon two opposite surfaces of the printed circuit board. A fastening seat partially surrounds the connector for securing a heat sink which is downwardly seated upon the CPU for heat dissipation. The back plate forms a plurality of securing studs extending through the fastening seat. The heat sink further includes a plurality of tubular securing nuts respectively surrounded by the corresponding coil springs and secured to the corresponding securing studs in an adjustable manner so as to impose the downward force upon the heat sink to urge the heat sink to abut downwardly against the CPU for heat dissipation of the CPU.

Abstract: Embodiments of the prevent disclosure provide a network access authentication method and device.

Abstract: A fastening mechanism for retaining a heat sink upon the CPU includes a fastening seat surrounding the connector, and a pair of fastening clips. The fastening seat includes four alignment posts at four corners, and the pair of fastening clips are attached at two corresponding diagonal corners. Each fastening clip includes a mounting section secured to the corresponding post, a latching section for temporarily holding the heat sink, and a resilient arm for upwardly urging the heat sink. Each alignment post is equipped with a screw nut and a coil spring so as to reinforce the downward pressing forces against the heat sink for assuring reliable connection between the CPU and the contacts of the electrical connector for better electrical transmission and intimate contact between the CPU and the heat sink for efficient heat dissipation.

Abstract: An electrical connector assembly includes an insulative housing, a plurality of contacts retained to the housing, a metallic frame/fastener surrounding the housing, a retainer/clip positioned upon the housing and retaining a CPU thereon. The metallic frame includes four positioning posts at four corners, and the retainer includes a frame part to form a receiving space for receiving the CPU therein, and further includes four metallic retaining supports embedded within four corners of the retainer corresponding to the four positioning posts so as to allow the four positioning posts to extending therethrough in the vertical direction.

Abstract: A securing mechanism for retaining a CPU to an electrical connector mounted upon a top surface of the PCB, includes a fastening device mounted upon the top surface of the PCB beside the electrical connector, and a back plate mounted upon the undersurface of the PCB and located between the PCB and a metallic case. The fastening device cooperates with the back plate to be secured to the PCB via a first set of fixing units. The case forms an opening/recessed region to receive a thickened central region of the back plate and is secured to the back plate via a second set of fixing units surrounding said opening. The thickened central region is fully received within the opening in the vertical direction. The first set of fixing units are located in the central region of the back plate.

Abstract: An electrical connector includes an insulative base and an insulative cover moveable relative to the base along the front-to-back direction. A lever includes an actuating bar sandwiched between the base and the cover and is rotated to move the cover relative to the base. A metallic reinforcement piece is embedded within the base adjacent to the actuating bar. The metallic reinforcement piece includes a main part in compliance with a receiving groove of the base receiving the actuating bar therein, and a pair of wings at two opposite transverse side edge of the receiving groove.

Abstract: An electrical card connector includes an insulative housing, a plurality of contacts retained to the housing, a metallic shield attached to the housing and cooperating with the housing to form a receiving cavity for receiving therein an electrical card, and a card holding mechanism located beside the receiving cavity. The card holding mechanism includes a slider, a spring abutting against the slider and deformable in the front-to-back direction, and a resilient locking device. The locking device includes a securing part retained to the slider, a resilient arm extending from the securing part with a locking protrusion for engagement within a locking notch of the electrical card. The slider provides an abutment face. The free end of the locking arm is adapted to abut against the abutment face when the electrical card is inserted into or withdrawn from the receiving cavity to outwardly deflect the resilient arm.

Abstract: A fastening mechanism for retaining a heat sink upon the CPU includes a fastening seat surrounding the connector, and a pair of fastening clips. The fastening seat includes four alignment posts at four corners, and the pair of fastening clips are attached at two corresponding diagonal corners.

Abstract: An electrical assembly includes an electrical connector mounted upon the PCB to receive a CPU therein. A securing seat is fixed on the PCB with four upwardly extending posts. A heat sink is secured to the posts by the screw nuts and seated upon the CPU. A auxiliary retention piece is located upon the securing seat around one post so as to prevent the CPU from excessively tilting due to the screw nut fastening occurring on an opposite diagonal corner.