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公开(公告)号：US11431491B2
公开(公告)日：2022-08-30
申请号：US16903209
申请日：2020-06-16
Applicant: STMicroelectronics (Rousset) SAS
Inventor： Thomas Sarno , Yanis Linge
Abstract: Systems and methods for protecting secret or secure information involved in generation of ciphered data by circuitry. The circuitry includes data paths and key paths that operate to perform cipher operations to generate a plurality of key shares and a plurality of data shares using a key and data as input. The data and the key may be masked by at least one mask. The plurality of key shares may be generated using the key and a first mask. The plurality of data shares are generated using key shares, the data, and a second mask.
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