Abstract: The disclosure is directed to a display apparatus, including: a display configured to display a user interface for presenting an electronic program guide; and a first controller configured to: send a first request including live broadcast information to cause a server to determine replay data according to a first live broadcast program included in the live broadcast information; receive the replay data from the server, and control the electronic program guide to display a second live broadcast program with a visual replay identifier.

Abstract: An optical modulator includes a substrate, a first dielectric layer over the substrate, a rib waveguide including a PN junction on the first dielectric, a second dielectric layer over the rib waveguide and a stressor layer including a metal, where the first or the second dielectric is between the stressor layer and the PN junction.

Abstract: Disclosed are a control method for focus movement on an EPG user interface and a display device. The method includes: displaying a television broadcast program on a display screen; receiving an instruction for displaying an EPG user interface, and displaying the EPG user interface on the display screen in response to the instruction; and receiving an instruction for indicating the movement of a focus along a channel arrangement direction in the EPG user interface, and in response to the instruction, determining a new position to which the focus moves in a target television channel according to the position of a pre-selected reference broadcast program, so as to control the focus to move to a target broadcast program corresponding to the new position.

Abstract: Disclosed are a control method for focus movement on an EPG user interface and a display device. The method includes: displaying a television broadcast program on a display screen; receiving an instruction for displaying an EPG user interface, and displaying the EPG user interface on the display screen in response to the instruction; and receiving an instruction for indicating the movement of a focus along a channel arrangement direction in the EPG user interface, and in response to the instruction, determining a new position to which the focus moves in a target television channel according to the position of a pre-selected reference broadcast program, so as to control the focus to move to a target broadcast program corresponding to the new position.

Abstract: Disclosed are a control method for focus movement on an EPG user interface and a display device. The method includes: displaying a television broadcast program on a display screen; receiving an instruction for displaying an EPG user interface, and displaying the EPG user interface on the display screen in response to the instruction; and receiving an instruction for indicating the movement of a focus along a channel arrangement direction in the EPG user interface, and in response to the instruction, determining a new position to which the focus moves in a target television channel according to the position of a pre-selected reference broadcast program, so as to control the focus to move to a target broadcast program corresponding to the new position.

Abstract: A concrete curing agent, a curing coating layer and a preparation method thereof, the concrete curing agent comprises a hardening agent and a hydrophobic agent, the raw materials of the hardening agent comprises the following raw materials in parts by weight: 0.1-10 parts of fluorosilicate salt and 100 parts of water, and the hydrophobic agent comprises the following raw materials in parts by weight: 0.1-10 parts of a base catalyst, 1-10 parts of a silane coupling agent, 0.1-10 parts of hydrogen-containing silicone oil, 5-10 parts of a cross-linking agent, 10-100 parts of silica sol and 100-1000 parts of water. The present invention can significantly improve the strength, hardness and hydrophobicity, impermeability and freeze-thaw resistance of surface of concrete before and after hardening, and effectively improves the service life of concrete structures.

Abstract: Disclosed are a control method for focus movement on an EPG user interface and a display device. The method includes: displaying a television broadcast program on a display screen; receiving an instruction for displaying an EPG user interface, and displaying the EPG user interface on the display screen in response to the instruction; and receiving an instruction for indicating the movement of a focus along a channel arrangement direction in the EPG user interface, and in response to the instruction, determining a new position to which the focus moves in a target television channel according to the position of a pre-selected reference broadcast program, so as to control the focus to move to a target broadcast program corresponding to the new position.

Abstract: A concrete curing agent, a curing coating layer and a preparation method thereof, the concrete curing agent comprises a hardening agent and a hydrophobic agent, the raw materials of the hardening agent comprises the following raw materials in parts by weight: 0.1-10 parts of fluorosilicate salt and 100 parts of water, and the hydrophobic agent comprises the following raw materials in parts by weight: 0.1-10 parts of a base catalyst, 1-10 parts of a silane coupling agent, 0.1-10 parts of hydrogen-containing silicone oil, 5-10 parts of a cross-linking agent, 10-100 parts of silica sol and 100-1000 parts of water. The present invention can significantly improve the strength, hardness and hydrophobicity, impermeability and freeze-thaw resistance of surface of concrete before and after hardening, and effectively improves the service life of concrete structures.

Abstract: TLB poisoning attacks take advantage of security issues of translation lookaside buffer (TLB) management on SEV processors in Secure Encrypted Virtualization (SEV) virtual machines (VMs). In various embodiments, a hypervisor may poison TLB entries between two processes of a SEV VM to compromise the integrity and confidentiality of the SEV VM. Variants of TLB poisoning attacks and end-to-end attacks are shown to be successful on both Advanced Micro Devices (AMD) SEV and SEV-Encrypted State (SEV-ES). Countermeasures for thwarting TLB poisoning attacks include hardware-enforced TLB flush processes and re-exec schemes that, among other things, prevent attackers from manipulating TLB entries and causing a privileged victim process to execute malicious code in an attempt to bypass a password authentication.

Abstract: TLB poisoning attacks take advantage of security issues of translation lookaside buffer (TLB) management on SEV processors in Secure Encrypted Virtualization (SEV) virtual machines (VMs). In various embodiments, a hypervisor may poison TLB entries between two processes of a SEV VM to compromise the integrity and confidentiality of the SEV VM. Variants of TLB poisoning attacks and end-to-end attacks are shown to be successful on both Advanced Micro Devices (AMD) SEV and SEV-Encrypted State (SEV-ES). Countermeasures for thwarting TLB poisoning attacks include hardware-enforced TLB flush processes and re-exec schemes that, among other things, prevent attackers from manipulating TLB entries and causing a privileged victim process to execute malicious code in an attempt to bypass a password authentication.

Abstract: TLB poisoning attacks take advantage of security issues of translation lookaside buffer (TLB) management on SEV processors in Secure Encrypted Virtualization (SEV) virtual machines (VMs). In various embodiments, a hypervisor may poison TLB entries between two processes of a SEV VM to compromise the integrity and confidentiality of the SEV VM. Variants of TLB poisoning attacks and end-to-end attacks are shown to be successful on both Advanced Micro Devices (AMD) SEV and SEV-Encrypted State (SEV-ES). Countermeasures for thwarting TLB poisoning attacks include hardware-enforced TLB flush processes and re-exec schemes that, among other things, prevent attackers from manipulating TLB entries and causing a privileged victim process to execute malicious code in an attempt to bypass a password authentication.

Abstract: AMD's Secure Encrypted Virtualization (SEV) is a hardware extension available in AMD's EPYC™ server processors to support confidential cloud computing. Although known attacks against SEV, which exploit its lack of encryption in the virtual machine (VM) control block or the lack of integrity protection of the encrypted memory and nested page tables, have been addressed in subsequent releases of SEV-Encrypted State (SEV-ES) and SEV-Secure Nested Paging (SEV-SNP), a new CipherLeaks attack presents a previously unexplored vulnerability for SEV-ES and SEV-SNP. The attack allows a privileged adversary to infer a guest VM's execution states or recover certain plaintext, e.g., to steal private keys from the constant-time implementation of the Rivest-Shamir-Adleman (RSA) algorithm and the Elliptic Curve Digital Signature Algorithm (ECDSA) in the latest OpenSSL library.

Abstract: AMD's Secure Encrypted Virtualization (SEV) is a hardware extension available in AMD's EPYC™ server processors to support confidential cloud computing. Although known attacks against SEV, which exploit its lack of encryption in the virtual machine (VM) control block or the lack of integrity protection of the encrypted memory and nested page tables, have been addressed in subsequent releases of SEV-Encrypted State (SEV-ES) and SEV-Secure Nested Paging (SEV-SNP), embodiments of a new Cipher Leaks attack present previously unexplored vulnerabilities for SEV-ES and SEV-SNP. The attack embodiments allow a privileged adversary to infer a guest VM's execution state or recover certain plaintext, e.g., to steal private keys from the constant-time implementation of the Rivest-Shamir-Adleman (RSA) algorithm and the Elliptic Curve Digital Signature Algorithm (ECDSA) in the latest OpenSSL library.

Abstract: AMD's Secure Encrypted Virtualization (SEV) is a hardware extension available in AMD's EPYC™ server processors to support confidential cloud computing. Although known attacks against SEV, which exploit its lack of encryption in the virtual machine (VM) control block or the lack of integrity protection of the encrypted memory and nested page tables, have been addressed in subsequent releases of SEV-Encrypted State (SEV-ES) and SEV-Secure Nested Paging (SEV-SNP), a new CipherLeaks attack presents a previously unexplored vulnerability for SEV-ES and SEV-SNP. The attack allows a privileged adversary to infer a guest VM's execution states or recover certain plaintext, e.g., to steal private keys from the constant-time implementation of the Rivest-Shamir-Adleman (RSA) algorithm and the Elliptic Curve Digital Signature Algorithm (ECDSA) in the latest OpenSSL library.

Abstract: The present disclosure discloses a W-containing high-nickel ternary cathode material, including both spherical secondary particles and single-crystal particles. There is basically no W inside the single-crystal particles, and the spherical secondary particles are doped with W.

Abstract: Disclosed are a control method for focus movement on an EPG user interface and a display device. The method includes: displaying a television broadcast program on a display screen; receiving an instruction for displaying an EPG user interface, and displaying the EPG user interface on the display screen in response to the instruction; and receiving an instruction for indicating the movement of a focus along a channel arrangement direction in the EPG user interface, and in response to the instruction, determining a new position to which the focus moves in a target television channel according to the position of a pre-selected reference broadcast program, so as to control the focus to move to a target broadcast program corresponding to the new position.

Abstract: The embodiments of the present disclosure relate to the technical field of EPGs, and disclosed thereby are a control method for focus movement on an EPG user interface and a display device, the method comprising: displaying a television broadcast program on a display screen; receiving an instruction for displaying an EPG user interface, and displaying the EPG user interface on the display screen in response to the instruction; and receiving an instruction for indicating the movement of a focus along a channel arrangement direction in the EPG user interface, and in response to the instruction, determining a new position to which the focus moves in a target television channel according to the position of a pre-selected reference broadcast program, so as to control the focus to move to a target broadcast program corresponding to the new position.

Abstract: The embodiments of the present disclosure relate to the technical field of EPGs, and disclosed thereby are a control method for focus movement on an EPG user interface and a display device, the method comprising: displaying a television broadcast program on a display screen; receiving an instruction for displaying an EPG user interface, and displaying the EPG user interface on the display screen in response to the instruction; and receiving an instruction for indicating the movement of a focus along a channel arrangement direction in the EPG user interface, and in response to the instruction, determining a new position to which the focus moves in a target television channel according to the position of a pre-selected reference broadcast program, so as to control the focus to move to a target broadcast program corresponding to the new position.