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add description for key update. #109

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merged 1 commit into from
Apr 16, 2024
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@jyao1 jyao1 commented Apr 8, 2024

Fix #55
Fix #53

@jyao1 jyao1 requested a review from sameo April 8, 2024 12:25
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In TEE-IO architecture, there are 2 sessions established between the host TSM
and the device: SPDM session and IDE session. Both sessions use AES-GCM-256
keys to protect the data. As such, the host software needs to update the
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keys to protect the data. As such, the host software needs to update the
keys to protect the data. As such, the host supervisor domain manager needs to update the

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Also, is this a needs or a must ?

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I don't think we can put mandatory requirement for an untrusted software.

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@jyao1 jyao1 force-pushed the key_update branch 2 times, most recently from 03395da to 25c2183 Compare April 16, 2024 07:29
@sameo sameo merged commit e01a141 into riscv-non-isa:main Apr 16, 2024
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@jyao1 jyao1 deleted the key_update branch October 8, 2024 09:00
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add section for IDE_KM IdeKeyRefresh add section for SPDM Session KeyUpdate
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