Cvitek Co. Ltd.

Shenzhen Suanhai Technology Co. Ltd.

Tsung-Hsien Lin

Jen-Shi Wu

Wei-Chun Chang

Hsiao-Ming Chang

Hao-Cing Jhou

Chia-Lin Lu

Yuan-Hsiang Kuo

A computing device for floating-point mathematic operation using look-up table is provided. The computing device includes: a bit arrangement unit used for receiving a floating-point input data and performing a bit arrangement or a format conversion on the floating-point input data to generate multiple index blocks; a first look-up table unit group used for receiving the index blocks and performing look-up operation using the index blocks as index to generate a plurality of look-up table results; and an operation unit used for performing operation on the look-up table results of the first look-up table unit group to generate an operation output.

Computing method and computing device for floating-point mathematic operation using lookup table

An encryption and signature device for AI model protection is provided. The encryption and signature device for AI model protection includes a key derivation unit, a model encryption unit, a model password encryption unit, an image generation unit and a signature unit. The key derivation unit is configured to derive a model key according to a model password and a derivation function. The model encryption unit is configured to encrypt an AI model according to the model key to generate an encrypted AI model. The model password encryption unit is configured to encrypt the model password to generate an encrypted model password. The image generation unit is configured to generate an image file according to the encrypted model password and the encrypted AI model. The signature unit is configured to sign the image file according to a private key to obtain a signed image file.

Methods and devices for AI model integrity and secrecy protection

Growing community of inventors

Zhubei, Taiwan

Tsung-Hsien Lin