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def comm16.core

bend-osdev-gf@0.1.1.0 · PROOF.bend:7544

import bend-osdev-gf@0.1.1.0/PROOF.bend as PROOF
import Base
import bend-osdev-gf@0.1.1.0/gfm.bend as M

7544def comm16.core(+a: U32, +b: U32) -> {M.gfm.mul.raw(M.Gfm.gf16(), M.Gfm.elt(M.Gfm.gf16(), a), M.Gfm.elt(M.Gfm.gf16(), b)) == M.gfm.mul.raw(M.Gfm.gf16(), M.Gfm.elt(M.Gfm.gf16(), b), M.Gfm.elt(M.Gfm.gf16(), a)) : U32}:
7545  match a b:
7546    case U32{WCon{+a0, WCon{+a1, WCon{+a2, WCon{+a3, +ra}}}}} U32{WCon{+b0, WCon{+b1, WCon{+b2, WCon{+b3, +rb}}}}}:
7547      %Equal.sym(U32, M.Gfm.elt(M.Gfm.gf16(), U32{WCon{a0, WCon{a1, WCon{a2, WCon{a3, ra}}}}}), U32{WCon{a0, WCon{a1, WCon{a2, WCon{a3, Word.zero(28n)}}}}}, elt_bits4(a0, a1, a2, a3, ra)) : {M.gfm.mul.raw(M.Gfm.gf16(), _, M.Gfm.elt(M.Gfm.gf16(), U32{WCon{b0, WCon{b1, WCon{b2, WCon{b3, rb}}}}})) == M.gfm.mul.raw(M.Gfm.gf16(), M.Gfm.elt(M.Gfm.gf16(), U32{WCon{b0, WCon{b1, WCon{b2, WCon{b3, rb}}}}}), M.Gfm.elt(M.Gfm.gf16(), U32{WCon{a0, WCon{a1, WCon{a2, WCon{a3, ra}}}}})) : U32}
7548      %Equal.sym(U32, M.Gfm.elt(M.Gfm.gf16(), U32{WCon{a0, WCon{a1, WCon{a2, WCon{a3, ra}}}}}), U32{WCon{a0, WCon{a1, WCon{a2, WCon{a3, Word.zero(28n)}}}}}, elt_bits4(a0, a1, a2, a3, ra)) : {M.gfm.mul.raw(M.Gfm.gf16(), U32{WCon{a0, WCon{a1, WCon{a2, WCon{a3, Word.zero(28n)}}}}}, M.Gfm.elt(M.Gfm.gf16(), U32{WCon{b0, WCon{b1, WCon{b2, WCon{b3, rb}}}}})) == M.gfm.mul.raw(M.Gfm.gf16(), M.Gfm.elt(M.Gfm.gf16(), U32{WCon{b0, WCon{b1, WCon{b2, WCon{b3, rb}}}}}), _) : U32}
7549      %Equal.sym(U32, M.Gfm.elt(M.Gfm.gf16(), U32{WCon{b0, WCon{b1, WCon{b2, WCon{b3, rb}}}}}), U32{WCon{b0, WCon{b1, WCon{b2, WCon{b3, Word.zero(28n)}}}}}, elt_bits4(b0, b1, b2, b3, rb)) : {M.gfm.mul.raw(M.Gfm.gf16(), U32{WCon{a0, WCon{a1, WCon{a2, WCon{a3, Word.zero(28n)}}}}}, _) == M.gfm.mul.raw(M.Gfm.gf16(), M.Gfm.elt(M.Gfm.gf16(), U32{WCon{b0, WCon{b1, WCon{b2, WCon{b3, rb}}}}}), U32{WCon{a0, WCon{a1, WCon{a2, WCon{a3, Word.zero(28n)}}}}}) : U32}
7550      %Equal.sym(U32, M.Gfm.elt(M.Gfm.gf16(), U32{WCon{b0, WCon{b1, WCon{b2, WCon{b3, rb}}}}}), U32{WCon{b0, WCon{b1, WCon{b2, WCon{b3, Word.zero(28n)}}}}}, elt_bits4(b0, b1, b2, b3, rb)) : {M.gfm.mul.raw(M.Gfm.gf16(), U32{WCon{a0, WCon{a1, WCon{a2, WCon{a3, Word.zero(28n)}}}}}, U32{WCon{b0, WCon{b1, WCon{b2, WCon{b3, Word.zero(28n)}}}}}) == M.gfm.mul.raw(M.Gfm.gf16(), _, U32{WCon{a0, WCon{a1, WCon{a2, WCon{a3, Word.zero(28n)}}}}}) : U32}
7551      comm16.bits(a0, a1, a2, a3, b0, b1, b2, b3)

Uses (9)

Used by (1)