Abstract: One or more computing devices, systems, and/or methods are provided. In an example, a method comprises storing an application image comprising a non-secure portion in a memory. A first debug request comprising a first target address is received. Halting of a processor is inhibited responsive to the first target address being within a protected region for a portion of non-secure code.

Abstract: One or more computing devices, systems, and/or methods are provided. In an example of the techniques presented herein, a system comprises a processor, a first interrupt source configured to generate a first non-secure interrupt, and an interrupt blocking unit configured to block the first non-secure interrupt responsive to the processor operating in a secure state.

Abstract: Systems, methods, and devices authenticate operations for secured execution environments. Methods include performing, using one or more processing elements of a secured execution environment, a first cryptographic computation on a portion of code to generate a result. Methods also include determining, using the one or more processing elements, an authenticated version of a cryptographic value, the authenticated version of the cryptographic value being determined based on a signature computation and a second cryptographic computation that is an asymmetric cryptographic computation. Methods further include determining, using the one or more processing elements, if the result of the first cryptographic computation is verified based, at least in part, on a comparison with the authenticated version of the cryptographic value.

Abstract: One or more computing devices, systems, and/or methods are provided. In an example, a method comprises storing a first application image and a second application image in an application image memory, designating the first application image as active, receiving a first address for accessing the application image memory from a processor, modifying the first address based on a first offset between a base starting address of the first application image and a starting physical address of the first application image in the application image memory to generate a second address, and accessing the application image memory using the second address.

Abstract: One or more computing devices, systems, and/or methods are provided. In an example, a method comprises storing an application image comprising a non-secure portion in a memory. A first debug request comprising a first target address is received. Halting of a processor is inhibited responsive to the first target address being within a protected region for a portion of non-secure code.

Abstract: One or more computing devices, systems, and/or methods are provided. In an example, a method comprises executing an application image to initialize a computing system. System state data associated with the initializing of the computing system is stored in a hardware register having at least one lockable until reset bit. A fault condition is identified responsive to the system state data not matching an expected value.

Abstract: One or more computing devices, systems, and/or methods are provided. In an example of the techniques presented herein, a system comprises a processor, a first interrupt source configured to generate a first non-secure interrupt, and an interrupt blocking unit configured to block the first non-secure interrupt responsive to the processor operating in a secure state.

Abstract: One or more computing devices, systems, and/or methods are provided. In an example, a method comprises storing a first application image and a second application image in an application image memory, designating the first application image as active, receiving a first address for accessing the application image memory from a processor, modifying the first address based on a first offset between a base starting address of the first application image and a starting physical address of the first application image in the application image memory to generate a second address, and accessing the application image memory using the second address.

Abstract: Systems, methods, and devices authenticate operations for secured execution environments. Methods include performing, using one or more processing elements of a secured execution environment, a first cryptographic computation on a portion of code to generate a result. Methods also include determining, using the one or more processing elements, an authenticated version of a cryptographic value, the authenticated version of the cryptographic value being determined based on a signature computation and a second cryptographic computation that is an asymmetric cryptographic computation. Methods further include determining, using the one or more processing elements, if the result of the first cryptographic computation is verified based, at least in part, on a comparison with the authenticated version of the cryptographic value.