def mul_inv_aes.core
bend-osdev-gf@0.1.1.0 · PROOF.bend:3004
import bend-osdev-gf@0.1.1.0/PROOF.bend as PROOF
import Base
import bend-osdev-gf@0.1.1.0/gf.bend as G
3004def mul_inv_aes.core(+a: U32) -> {G.Gf8.mul(G.Gf8.aes(), fixz(G.Gf8.elt(a)), G.Gf8.inv(G.Gf8.aes(), fixz(G.Gf8.elt(a)))) == 1 : U32}:
3005 match a:
3006 case U32{WCon{+b0, WCon{+b1, WCon{+b2, WCon{+b3, WCon{+b4, WCon{+b5, WCon{+b6, WCon{+b7, +r}}}}}}}}}:
3007 %Equal.sym(U32, G.Gf8.elt(U32{WCon{b0, WCon{b1, WCon{b2, WCon{b3, WCon{b4, WCon{b5, WCon{b6, WCon{b7, r}}}}}}}}}), G.Gf8Bits.to(G.Gf8Bits{b0, b1, b2, b3, b4, b5, b6, b7}), elt_bits(b0, b1, b2, b3, b4, b5, b6, b7, r)) : {G.Gf8.mul(G.Gf8.aes(), fixz(_), G.Gf8.inv(G.Gf8.aes(), fixz(_))) == 1 : U32}
3008 mul_inv_aes.bits(b0, b1, b2, b3, b4, b5, b6, b7)