Apple inc. (20250094567). Consistent Speculation of Pointer Authentication: Difference between revisions
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==Inventor(s)== | ==Inventor(s)== | ||
[[:Category:John D Pape of Cedar Park TX | [[:Category:John D Pape of Cedar Park TX US|John D Pape of Cedar Park TX US]][[Category:John D Pape of Cedar Park TX US]] | ||
[[:Category:Deepankar Duggal of Sunnyvale CA | [[:Category:Deepankar Duggal of Sunnyvale CA US|Deepankar Duggal of Sunnyvale CA US]][[Category:Deepankar Duggal of Sunnyvale CA US]] | ||
[[:Category:Christopher M Tsay of Austin TX | [[:Category:Christopher M Tsay of Austin TX US|Christopher M Tsay of Austin TX US]][[Category:Christopher M Tsay of Austin TX US]] | ||
[[:Category:Andrew H Lin of Mountain View CA | [[:Category:Andrew H Lin of Mountain View CA US|Andrew H Lin of Mountain View CA US]][[Category:Andrew H Lin of Mountain View CA US]] | ||
[[:Category:Corey C Stappenbeck of Sunnyvale CA | [[:Category:Corey C Stappenbeck of Sunnyvale CA US|Corey C Stappenbeck of Sunnyvale CA US]][[Category:Corey C Stappenbeck of Sunnyvale CA US]] | ||
==Consistent Speculation of Pointer Authentication== | ==Consistent Speculation of Pointer Authentication== | ||
Latest revision as of 17:52, 22 March 2025
Consistent Speculation of Pointer Authentication
Organization Name
Inventor(s)
John D Pape of Cedar Park TX US
Deepankar Duggal of Sunnyvale CA US
Christopher M Tsay of Austin TX US
Andrew H Lin of Mountain View CA US
Corey C Stappenbeck of Sunnyvale CA US
Consistent Speculation of Pointer Authentication
This abstract first appeared for US patent application 20250094567 titled 'Consistent Speculation of Pointer Authentication
Original Abstract Submitted
in an embodiment, a processor includes hardware circuitry which may be used to authenticate instruction operands. the processor may execute instructions that perform operand authentication both speculatively and non-speculatively. during speculative execution of such instructions, the processor may execute authentication such that no differences in observable state of the processor, relative to authentication result, are detectable via a side channel. during speculative execution, a result of authentication may be deferred until speculative execution of the instruction, and additional instructions, may be completed. upon resolution of a condition that indicates acceptance of the speculative execution, a speculative execution result may cause a processor exception and stalling of execution at the instruction to be performed.