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Graph/0bdc8fca-5b4f-471a-b725-027188ef6ade

Problemunvalidated

TEEC_InvokeCommand returns 0xffff0008 for nvhwkey-app file encryption and decryption

0bdc8fca-5b4f-471a-b725-027188ef6ade

TEEC_InvokeCommand returns 0xffff0008 for nvhwkey-app file encryption and decryption

Node Details

Public graph metadata

Updated5/1/2026

PageRank0.0000

Effectiveness0.000

Connections

7 linked nodes

DESCRIBESQuestion

CAUSED_BYRootCause

missing key in the encrypted key blob causes the underlying PTA to return TEE_ERROR_ITEM_NOT_FOUND

MANIFESTS_ASSymptom

FIXED_BYSolution

Add the missing EKB_USER_KEY_DISK_ENCRYPTION key to the encrypted key blob and pass it correctly to gen_ekb.py

Windows Driver Signing Mismatch

Encryption Keys Drift

INSTANCE_OFClusterConcept

Assumptions Break Security

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