Security Task Group Update And RISC V security Extension
summary
Security group shifts focus to crypto extensions that piggyback on the vector extension, using vector functional units to do wide arithmetic and expose vectorized multiplies to software; proposal supports Galois field types and a special key type, type widths from 1–12 then 16/24/32/48 up to 4096 with escape codes for odd sizes (e.g. 521, 16384). Encoding uses one major opcode, a function field for algorithms, reserved algorithm codes for library compatibility, and a three‑operand form with a reduction polynomial in the third register.
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