T239: Difference between revisions

Revision as of 23:10, 28 June 2025 view source Retr0id (talk \| contribs) 12 edits Document PAC, Memory Encryption ← Older edit		Revision as of 23:18, 28 June 2025 view source Retr0id (talk \| contribs) 12 edits Document lack of memory authentication Newer edit →
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	It is likely that encryption is tweaked on a per-physical-address basis. So, an attacker with control of the external memory bus cannot e.g. relocate data from one address to another.		It is likely that encryption is tweaked on a per-physical-address basis. So, an attacker with control of the external memory bus cannot e.g. relocate data from one address to another.

			There is no memory authentication, however. So in the event of external memory tampering, the CPU will read back garbled plaintext (effectively, random bytes).