KEY MANAGEMENT METHOD AND RELATED DEVICE
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United States of America
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Issued Date -
Mar 6, 2025
app pub date -
Sep 4, 2024
filing date -
Sep 4, 2024
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Abstract
This specification provides a key management method and a related device, which are applied to security hardware. The method includes: preventing, in response to a start instruction for the electronic device, the CPU from being started, and encrypting a second key corresponding to the security hardware by using the stored first key; sending an encrypted second key to the storage medium, so that the storage medium decrypts the encrypted second key by using the first key, and stores a decrypted second key, where the second key is stored in volatile storage space of the storage medium, and the second key is used to encrypt data when the data is written into the storage medium, and decrypt data when the data is read; and controlling, in response to that the storage medium successfully stores the second key, the CPU to be started.
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