def sp.tail_masked
bend-osdev-cipher-modes@0.1.0.0 · PROOF.bend:552
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-cipher-modes@0.1.0.0/cipher_modes.bend as M
552
553def sp.tail_masked(ys: List<&2, U32>) -> {B.mask(M.cm.split.tail(M.cm.split(B.mask(ys)))) == M.cm.split.tail(M.cm.split(B.mask(ys))) : List<&2, U32>}:
554 match ys:
555 case Nil{}:
556 li.mask_mask(Nil{})
557 case Con{+y0, +r0}:
558 match r0:
559 case Nil{}:
560 li.mask_mask(Con{y0, Nil{}})
561 case Con{+y1, +r1}:
562 match r1:
563 case Nil{}:
564 li.mask_mask(Con{y0, Con{y1, Nil{}}})
565 case Con{+y2, +r2}:
566 match r2:
567 case Nil{}:
568 li.mask_mask(Con{y0, Con{y1, Con{y2, Nil{}}}})
569 case Con{+y3, +r3}:
570 match r3:
571 case Nil{}:
572 li.mask_mask(Con{y0, Con{y1, Con{y2, Con{y3, Nil{}}}}})
573 case Con{+y4, +r4}:
574 match r4:
575 case Nil{}:
576 li.mask_mask(Con{y0, Con{y1, Con{y2, Con{y3, Con{y4, Nil{}}}}}})
577 case Con{+y5, +r5}:
578 match r5:
579 case Nil{}:
580 li.mask_mask(Con{y0, Con{y1, Con{y2, Con{y3, Con{y4, Con{y5, Nil{}}}}}}})
581 case Con{+y6, +r6}:
582 match r6:
583 case Nil{}:
584 li.mask_mask(Con{y0, Con{y1, Con{y2, Con{y3, Con{y4, Con{y5, Con{y6, Nil{}}}}}}}})
585 case Con{+y7, +r7}:
586 match r7:
587 case Nil{}:
588 li.mask_mask(Con{y0, Con{y1, Con{y2, Con{y3, Con{y4, Con{y5, Con{y6, Con{y7, Nil{}}}}}}}}})
589 case Con{+y8, +r8}:
590 match r8:
591 case Nil{}:
592 li.mask_mask(Con{y0, Con{y1, Con{y2, Con{y3, Con{y4, Con{y5, Con{y6, Con{y7, Con{y8, Nil{}}}}}}}}}})
593 case Con{+y9, +r9}:
594 match r9:
595 case Nil{}:
596 li.mask_mask(Con{y0, Con{y1, Con{y2, Con{y3, Con{y4, Con{y5, Con{y6, Con{y7, Con{y8, Con{y9, Nil{}}}}}}}}}}})
597 case Con{+y10, +r10}:
598 match r10:
599 case Nil{}:
600 li.mask_mask(Con{y0, Con{y1, Con{y2, Con{y3, Con{y4, Con{y5, Con{y6, Con{y7, Con{y8, Con{y9, Con{y10, Nil{}}}}}}}}}}}})
601 case Con{+y11, +r11}:
602 match r11:
603 case Nil{}:
604 li.mask_mask(Con{y0, Con{y1, Con{y2, Con{y3, Con{y4, Con{y5, Con{y6, Con{y7, Con{y8, Con{y9, Con{y10, Con{y11, Nil{}}}}}}}}}}}}})
605 case Con{+y12, +r12}:
606 match r12:
607 case Nil{}:
608 li.mask_mask(Con{y0, Con{y1, Con{y2, Con{y3, Con{y4, Con{y5, Con{y6, Con{y7, Con{y8, Con{y9, Con{y10, Con{y11, Con{y12, Nil{}}}}}}}}}}}}}})
609 case Con{+y13, +r13}:
610 match r13:
611 case Nil{}:
612 li.mask_mask(Con{y0, Con{y1, Con{y2, Con{y3, Con{y4, Con{y5, Con{y6, Con{y7, Con{y8, Con{y9, Con{y10, Con{y11, Con{y12, Con{y13, Nil{}}}}}}}}}}}}}}})
613 case Con{+y14, +r14}:
614 match r14:
615 case Nil{}:
616 li.mask_mask(Con{y0, Con{y1, Con{y2, Con{y3, Con{y4, Con{y5, Con{y6, Con{y7, Con{y8, Con{y9, Con{y10, Con{y11, Con{y12, Con{y13, Con{y14, Nil{}}}}}}}}}}}}}}}})
617 case Con{+y15, +t}:
618 %Equal.sym(List<&2, U32>, M.cm.split.tail(M.cm.split.cons(M.cm.block16(B.byte(y0), B.byte(y1), B.byte(y2), B.byte(y3), B.byte(y4), B.byte(y5), B.byte(y6), B.byte(y7), B.byte(y8), B.byte(y9), B.byte(y10), B.byte(y11), B.byte(y12), B.byte(y13), B.byte(y14), B.byte(y15)), M.cm.split(B.mask(t)))), M.cm.split.tail(M.cm.split(B.mask(t))), sp.cons_tail(M.cm.block16(B.byte(y0), B.byte(y1), B.byte(y2), B.byte(y3), B.byte(y4), B.byte(y5), B.byte(y6), B.byte(y7), B.byte(y8), B.byte(y9), B.byte(y10), B.byte(y11), B.byte(y12), B.byte(y13), B.byte(y14), B.byte(y15)), M.cm.split(B.mask(t)))) : {B.mask(_) == _ : List<&2, U32>}
619 sp.tail_masked(t)