CPC G06F 21/64 (2013.01) [G06F 21/602 (2013.01); H04L 9/0825 (2013.01); H04L 9/0863 (2013.01); H04L 9/3236 (2013.01)] | 10 Claims |
1. An encryption and signature device for AI model protection, comprising:
a key derivation unit configured to derive a model key according to a model password and a derivation function;
a model encryption unit configured to encrypt an AI model according to the model key to generate an encrypted AI model;
a model password encryption unit configured to encrypt the model password to generate an encrypted model password;
an image generation unit configured to generate an image file according to the encrypted model password and the encrypted AI model; and
a signature unit configured to sign the image file according to a private key to obtain a signed image file.
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