CAEC adds confidential shared memory to Arm CCA, cutting inter-CVM communication cost by up to 209x versus encryption through hypervisor-visible memory while preserving isolation and adding attestable sharing.
PORTAL: Fast and Secure Device Access with Arm CCA for Modern Arm Mobile System-on-Chips (SoCs)
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CAEC: Confidential, Attestable, and Efficient Inter-CVM Communication with Arm CCA
CAEC adds confidential shared memory to Arm CCA, cutting inter-CVM communication cost by up to 209x versus encryption through hypervisor-visible memory while preserving isolation and adding attestable sharing.