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AMD's PSP is ARM TrustZone, there is no way AMD could open it in their current chips, they don't own the IP and ARM is vehemently opposed. Due to the outcry, th
by StudentStuff 7y ago
AMD's PSP is ARM TrustZone, there is no way AMD could open it in their current chips, they don't own the IP and ARM is vehemently opposed. Due to the outcry, they are more likely to build their own secure enclave/supervisor processor in the next major rework of Zen, which they would own the IP of.
- shmerl 7y agoThat would be good. Opposed ARM should get lost.
- walterbell 7y agoThere are open-source TrustZone implementations (OP-TEE). AMD could drop Arm and move to a RISC-V based secure enclave. Google is developing OpenTitan as open hardware based on RISC-V.