eprint.iacr.orgpaperUniform Sharing in Multiple Stages: Towards Second-Order Security
Presents an automated masking technique, extending the MultiStage approach, that gives second-order security in the glitch-extended probing model for arbitrary functions. It keeps fresh-mask requirements minimal as in NullFresh and avoids structural limits of earlier schemes. Applied to PRINCE, Midori and SKINNY, with formal verification in SILVER and PROLEAD and TVLA leakage testing on FPGA.
TL;DR Automated second-order, low-randomness hardware masking (MultiStage extension) verified on PRINCE, Midori and SKINNY with SILVER, PROLEAD and FPGA TVLA.
Organisations named here
- CANS 2026
- glitch-extended probing model
- Midori
- PRINCE
- SKINNY
Technologies named here
- SILVER
- PRINCE lightweight block cipher
- PROLEAD
- Midori lightweight block cipher
- TVLA
- SKINNY lightweight block cipher
- MultiStage
- FPGA
- NullFresh
- Threshold Implementation
Techniques named here
- Side-Channel Analysis of cryptographic implementations
- Masking schemes as SCA countermeasure
- Uniform sharing in multiple stages
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