Papers by Fabrice Lozachmeur
HAL (Le Centre pour la Communication Scientifique Directe), Aug 6, 2023
The paper presents an instruction set extension for the CV32E40P RISC-V processor core to protect... more The paper presents an instruction set extension for the CV32E40P RISC-V processor core to protect cryptosystems against side channel attacks using masking at high orders. A first masking order is fixed in hardware at synthesis time. Then a higher masking order is obtained using software composition over the hardware one. The solution has been implemented, validated and evaluated in FPGA.
ICASSP 2019 - 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)
HAL is a multidisciplinary open access archive for the deposit and dissemination of scientific re... more HAL is a multidisciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L'archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d'enseignement et de recherche français ou étrangers, des laboratoires publics ou privés.
▶ An encryption function encrypts a plaintext p into a ciphertext c using a secret key k ▶ A decr... more ▶ An encryption function encrypts a plaintext p into a ciphertext c using a secret key k ▶ A decryption function decrypts the ciphertext c into the plaintext p using the same secret key k The only secret parameter is the secret key k.
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Papers by Fabrice Lozachmeur