Patent ID: 11928247
Assignee: CVITEK CO. LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 5:
6. A decryption and verification device for AI model protection, comprising:
a verification unit configured to, in a trusted execution environment, verify a signed image file according to a public key;
an image reading unit configured to, in the trusted execution environment, obtain an encrypted model password and an encrypted AI model according to the image file;
a model password decryption unit configured to, in the trusted execution environment, decrypt the encrypted model password to obtain a model password;
a key derivation unit configured to, in the trusted execution environment, derive a model key according to the model password and a derivation function; and
a model decryption unit configured to, in the trusted execution environment, decrypt the encrypted AI model according to the model key to obtain the AI model.