def bits.xor_xor
bend-osdev-cipher-modes@0.1.0.0 · PROOF.bend:1613
import bend-osdev-cipher-modes@0.1.0.0/PROOF.bend as PROOF
import Base
import bend-osdev-bytes@0.1.0.0/bytes.bend as B
import bend-osdev-word64@0.1.0.0/word64.bend as W
1613def bits.xor_xor(a: U32, y: U32) -> {B.byte(U32.xor(B.byte(U32.xor(a, y)), y)) == B.byte(a) : U32}:
1614 match a y:
1615 case U32{WCon{a0, WCon{a1, WCon{a2, WCon{a3, WCon{a4, WCon{a5, WCon{a6, WCon{a7, WCon{a8, WCon{a9, WCon{a10, WCon{a11, WCon{a12, WCon{a13, WCon{a14, WCon{a15, WCon{a16, WCon{a17, WCon{a18, WCon{a19, WCon{a20, WCon{a21, WCon{a22, WCon{a23, WCon{a24, WCon{a25, WCon{a26, WCon{a27, WCon{a28, WCon{a29, WCon{a30, WCon{a31, WNil{}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} U32{WCon{y0, WCon{y1, WCon{y2, WCon{y3, WCon{y4, WCon{y5, WCon{y6, WCon{y7, WCon{y8, WCon{y9, WCon{y10, WCon{y11, WCon{y12, WCon{y13, WCon{y14, WCon{y15, WCon{y16, WCon{y17, WCon{y18, WCon{y19, WCon{y20, WCon{y21, WCon{y22, WCon{y23, WCon{y24, WCon{y25, WCon{y26, WCon{y27, WCon{y28, WCon{y29, WCon{y30, WCon{y31, WNil{}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}:
1616 %Equal.sym(Word(8n), Word.xor(8n, Word.xor(8n, WCon{a0, WCon{a1, WCon{a2, WCon{a3, WCon{a4, WCon{a5, WCon{a6, WCon{a7, WNil{}}}}}}}}}, WCon{y0, WCon{y1, WCon{y2, WCon{y3, WCon{y4, WCon{y5, WCon{y6, WCon{y7, WNil{}}}}}}}}}), WCon{y0, WCon{y1, WCon{y2, WCon{y3, WCon{y4, WCon{y5, WCon{y6, WCon{y7, WNil{}}}}}}}}}), WCon{a0, WCon{a1, WCon{a2, WCon{a3, WCon{a4, WCon{a5, WCon{a6, WCon{a7, WNil{}}}}}}}}}, bx.rword(8n, WCon{a0, WCon{a1, WCon{a2, WCon{a3, WCon{a4, WCon{a5, WCon{a6, WCon{a7, WNil{}}}}}}}}}, WCon{y0, WCon{y1, WCon{y2, WCon{y3, WCon{y4, WCon{y5, WCon{y6, WCon{y7, WNil{}}}}}}}}})) : {U32{W.W64.bits.cat(8n, 24n, _, Word.zero(24n))} == B.byte(U32{WCon{a0, WCon{a1, WCon{a2, WCon{a3, WCon{a4, WCon{a5, WCon{a6, WCon{a7, WCon{a8, WCon{a9, WCon{a10, WCon{a11, WCon{a12, WCon{a13, WCon{a14, WCon{a15, WCon{a16, WCon{a17, WCon{a18, WCon{a19, WCon{a20, WCon{a21, WCon{a22, WCon{a23, WCon{a24, WCon{a25, WCon{a26, WCon{a27, WCon{a28, WCon{a29, WCon{a30, WCon{a31, WNil{}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}) : U32}
1617 {==}