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Brute-force resistant Pointer-Authentication using RISC-V co-processor

Peri, Lalit PrasadVirginia Tech2025

… are embedded in the upper bits in pointers using tweakable block ciphers like QARMA [1], but these 16-bit PAC space remains susceptible to brute-force attacks, particularly under speculative execution vulnerabilities such as PACMAN [2]. To overcome these limitations, this thesis proposes a pointer …

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