src/crypto/blake/blake2b/blake2b.bend source

src/crypto/blake/blake2b/blake2b.bend on the hub · documented module

# Generated by tools/generators/blake2b_gen.py; do not edit by hand.import Baseimport ./types.bend as Timport ./compress.bend as Fdef read31(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, w19: U32, w20: U32, w21: U32, w22: U32, w23: U32, w24: U32, w25: U32, w26: U32, w27: U32, w28: U32, w29: U32, w30: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w31) = pair  (a,F.compress(h,t,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,w20,w21,w22,w23,w24,w25,w26,w27,w28,w29,w30,w31))def read30(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, w19: U32, w20: U32, w21: U32, w22: U32, w23: U32, w24: U32, w25: U32, w26: U32, w27: U32, w28: U32, w29: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w30) = pair  read31(index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,w20,w21,w22,w23,w24,w25,w26,w27,w28,w29,w30,Array.get(U32,a,U32.add(index,31)))def read29(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, w19: U32, w20: U32, w21: U32, w22: U32, w23: U32, w24: U32, w25: U32, w26: U32, w27: U32, w28: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w29) = pair  read30(index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,w20,w21,w22,w23,w24,w25,w26,w27,w28,w29,Array.get(U32,a,U32.add(index,30)))def read28(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, w19: U32, w20: U32, w21: U32, w22: U32, w23: U32, w24: U32, w25: U32, w26: U32, w27: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w28) = pair  read29(index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,w20,w21,w22,w23,w24,w25,w26,w27,w28,Array.get(U32,a,U32.add(index,29)))def read27(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, w19: U32, w20: U32, w21: U32, w22: U32, w23: U32, w24: U32, w25: U32, w26: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w27) = pair  read28(index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,w20,w21,w22,w23,w24,w25,w26,w27,Array.get(U32,a,U32.add(index,28)))def read26(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, w19: U32, w20: U32, w21: U32, w22: U32, w23: U32, w24: U32, w25: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w26) = pair  read27(index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,w20,w21,w22,w23,w24,w25,w26,Array.get(U32,a,U32.add(index,27)))def read25(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, w19: U32, w20: U32, w21: U32, w22: U32, w23: U32, w24: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w25) = pair  read26(index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,w20,w21,w22,w23,w24,w25,Array.get(U32,a,U32.add(index,26)))def read24(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, w19: U32, w20: U32, w21: U32, w22: U32, w23: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w24) = pair  read25(index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,w20,w21,w22,w23,w24,Array.get(U32,a,U32.add(index,25)))def read23(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, w19: U32, w20: U32, w21: U32, w22: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w23) = pair  read24(index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,w20,w21,w22,w23,Array.get(U32,a,U32.add(index,24)))def read22(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, w19: U32, w20: U32, w21: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w22) = pair  read23(index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,w20,w21,w22,Array.get(U32,a,U32.add(index,23)))def read21(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, w19: U32, w20: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w21) = pair  read22(index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,w20,w21,Array.get(U32,a,U32.add(index,22)))def read20(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, w19: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w20) = pair  read21(index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,w20,Array.get(U32,a,U32.add(index,21)))def read19(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w19) = pair  read20(index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,Array.get(U32,a,U32.add(index,20)))def read18(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w18) = pair  read19(index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,Array.get(U32,a,U32.add(index,19)))def read17(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w17) = pair  read18(index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,Array.get(U32,a,U32.add(index,18)))def read16(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w16) = pair  read17(index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,Array.get(U32,a,U32.add(index,17)))def read15(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w15) = pair  read16(index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,Array.get(U32,a,U32.add(index,16)))def read14(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w14) = pair  read15(index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,Array.get(U32,a,U32.add(index,15)))def read13(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w13) = pair  read14(index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,Array.get(U32,a,U32.add(index,14)))def read12(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w12) = pair  read13(index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,Array.get(U32,a,U32.add(index,13)))def read11(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w11) = pair  read12(index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,Array.get(U32,a,U32.add(index,12)))def read10(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w10) = pair  read11(index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,Array.get(U32,a,U32.add(index,11)))def read9(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w9) = pair  read10(index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,Array.get(U32,a,U32.add(index,10)))def read8(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w8) = pair  read9(index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,Array.get(U32,a,U32.add(index,9)))def read7(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w7) = pair  read8(index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,Array.get(U32,a,U32.add(index,8)))def read6(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w6) = pair  read7(index,t,h,w0,w1,w2,w3,w4,w5,w6,Array.get(U32,a,U32.add(index,7)))def read5(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w5) = pair  read6(index,t,h,w0,w1,w2,w3,w4,w5,Array.get(U32,a,U32.add(index,6)))def read4(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w4) = pair  read5(index,t,h,w0,w1,w2,w3,w4,Array.get(U32,a,U32.add(index,5)))def read3(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w3) = pair  read4(index,t,h,w0,w1,w2,w3,Array.get(U32,a,U32.add(index,4)))def read2(+index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w2) = pair  read3(index,t,h,w0,w1,w2,Array.get(U32,a,U32.add(index,3)))def read1(+index: U32, t: T.Counter, h: T.Chain, w0: U32, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w1) = pair  read2(index,t,h,w0,w1,Array.get(U32,a,U32.add(index,2)))def read0(+index: U32, t: T.Counter, h: T.Chain, pair: Array<U32> & U32) -> Array<U32> & T.Chain:  (a,w0) = pair  read1(index,t,h,w0,Array.get(U32,a,U32.add(index,1)))def absorb(a: Array<U32>, +index: U32, t: T.Counter, h: T.Chain) -> Array<U32> & T.Chain:  read0(index,t,h,Array.get(U32,a,index))# Only the first n bytes of the word are message bytes; the rest are zero.def keep(w: U32, n: Nat) -> U32:  match n:    case 0n: 0    case 1n: U32.and(w,255)    case 2n: U32.and(w,65535)    case 3n: U32.and(w,16777215)    case _: wdef mask(w: U32, +pos: Nat, +remain: Nat) -> U32:  keep(w,Nat.sub(remain,pos))def last31(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, w19: U32, w20: U32, w21: U32, w22: U32, w23: U32, w24: U32, w25: U32, w26: U32, w27: U32, w28: U32, w29: U32, w30: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w31) = pair  F.compress_last(h,t,mask(w0,0n,remain),mask(w1,4n,remain),mask(w2,8n,remain),mask(w3,12n,remain),mask(w4,16n,remain),mask(w5,20n,remain),mask(w6,24n,remain),mask(w7,28n,remain),mask(w8,32n,remain),mask(w9,36n,remain),mask(w10,40n,remain),mask(w11,44n,remain),mask(w12,48n,remain),mask(w13,52n,remain),mask(w14,56n,remain),mask(w15,60n,remain),mask(w16,64n,remain),mask(w17,68n,remain),mask(w18,72n,remain),mask(w19,76n,remain),mask(w20,80n,remain),mask(w21,84n,remain),mask(w22,88n,remain),mask(w23,92n,remain),mask(w24,96n,remain),mask(w25,100n,remain),mask(w26,104n,remain),mask(w27,108n,remain),mask(w28,112n,remain),mask(w29,116n,remain),mask(w30,120n,remain),mask(w31,124n,remain))def last30(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, w19: U32, w20: U32, w21: U32, w22: U32, w23: U32, w24: U32, w25: U32, w26: U32, w27: U32, w28: U32, w29: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w30) = pair  last31(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,w20,w21,w22,w23,w24,w25,w26,w27,w28,w29,w30,Array.get(U32,a,U32.add(index,31)))def last29(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, w19: U32, w20: U32, w21: U32, w22: U32, w23: U32, w24: U32, w25: U32, w26: U32, w27: U32, w28: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w29) = pair  last30(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,w20,w21,w22,w23,w24,w25,w26,w27,w28,w29,Array.get(U32,a,U32.add(index,30)))def last28(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, w19: U32, w20: U32, w21: U32, w22: U32, w23: U32, w24: U32, w25: U32, w26: U32, w27: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w28) = pair  last29(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,w20,w21,w22,w23,w24,w25,w26,w27,w28,Array.get(U32,a,U32.add(index,29)))def last27(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, w19: U32, w20: U32, w21: U32, w22: U32, w23: U32, w24: U32, w25: U32, w26: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w27) = pair  last28(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,w20,w21,w22,w23,w24,w25,w26,w27,Array.get(U32,a,U32.add(index,28)))def last26(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, w19: U32, w20: U32, w21: U32, w22: U32, w23: U32, w24: U32, w25: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w26) = pair  last27(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,w20,w21,w22,w23,w24,w25,w26,Array.get(U32,a,U32.add(index,27)))def last25(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, w19: U32, w20: U32, w21: U32, w22: U32, w23: U32, w24: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w25) = pair  last26(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,w20,w21,w22,w23,w24,w25,Array.get(U32,a,U32.add(index,26)))def last24(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, w19: U32, w20: U32, w21: U32, w22: U32, w23: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w24) = pair  last25(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,w20,w21,w22,w23,w24,Array.get(U32,a,U32.add(index,25)))def last23(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, w19: U32, w20: U32, w21: U32, w22: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w23) = pair  last24(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,w20,w21,w22,w23,Array.get(U32,a,U32.add(index,24)))def last22(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, w19: U32, w20: U32, w21: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w22) = pair  last23(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,w20,w21,w22,Array.get(U32,a,U32.add(index,23)))def last21(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, w19: U32, w20: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w21) = pair  last22(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,w20,w21,Array.get(U32,a,U32.add(index,22)))def last20(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, w19: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w20) = pair  last21(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,w20,Array.get(U32,a,U32.add(index,21)))def last19(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, w18: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w19) = pair  last20(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,w19,Array.get(U32,a,U32.add(index,20)))def last18(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, w17: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w18) = pair  last19(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,w18,Array.get(U32,a,U32.add(index,19)))def last17(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, w16: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w17) = pair  last18(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,w17,Array.get(U32,a,U32.add(index,18)))def last16(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, w15: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w16) = pair  last17(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,w16,Array.get(U32,a,U32.add(index,17)))def last15(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, w14: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w15) = pair  last16(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,w15,Array.get(U32,a,U32.add(index,16)))def last14(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, w13: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w14) = pair  last15(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,w14,Array.get(U32,a,U32.add(index,15)))def last13(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, w12: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w13) = pair  last14(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,w13,Array.get(U32,a,U32.add(index,14)))def last12(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, w11: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w12) = pair  last13(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,w12,Array.get(U32,a,U32.add(index,13)))def last11(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, w10: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w11) = pair  last12(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,w11,Array.get(U32,a,U32.add(index,12)))def last10(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, w9: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w10) = pair  last11(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,w10,Array.get(U32,a,U32.add(index,11)))def last9(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, w8: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w9) = pair  last10(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,w9,Array.get(U32,a,U32.add(index,10)))def last8(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, w7: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w8) = pair  last9(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,w8,Array.get(U32,a,U32.add(index,9)))def last7(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, w6: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w7) = pair  last8(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,w7,Array.get(U32,a,U32.add(index,8)))def last6(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, w5: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w6) = pair  last7(remain,index,t,h,w0,w1,w2,w3,w4,w5,w6,Array.get(U32,a,U32.add(index,7)))def last5(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, w4: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w5) = pair  last6(remain,index,t,h,w0,w1,w2,w3,w4,w5,Array.get(U32,a,U32.add(index,6)))def last4(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, w3: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w4) = pair  last5(remain,index,t,h,w0,w1,w2,w3,w4,Array.get(U32,a,U32.add(index,5)))def last3(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, w2: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w3) = pair  last4(remain,index,t,h,w0,w1,w2,w3,Array.get(U32,a,U32.add(index,4)))def last2(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, w1: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w2) = pair  last3(remain,index,t,h,w0,w1,w2,Array.get(U32,a,U32.add(index,3)))def last1(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, w0: U32, pair: Array<U32> & U32) -> T.Chain:  (a,w1) = pair  last2(remain,index,t,h,w0,w1,Array.get(U32,a,U32.add(index,2)))def last0(+remain: Nat, +index: U32, t: T.Counter, h: T.Chain, pair: Array<U32> & U32) -> T.Chain:  (a,w0) = pair  last1(remain,index,t,h,w0,Array.get(U32,a,U32.add(index,1)))# The last block holds the final 1..128 bytes (0 for the empty message).def final(a: Array<U32>, +index: U32, +remain: Nat, t: T.Counter, h: T.Chain) -> T.Chain:  last0(remain,index,F.bump(t,U32.from_nat(remain)),h,Array.get(U32,a,index))def blocks(n: Nat, +index: U32, +remain: Nat, t: T.Counter, pair: Array<U32> & T.Chain) -> T.Chain:  match n pair:    case 0n Tuple{a,h}: final(a,index,remain,t,h)    case 1n+p Tuple{a,h}:      +t2 = F.bump(t,128)      blocks(p,U32.add(index,32),remain,t2,absorb(a,index,t2,h))# IV with the parameter block folded into h0: digest length 64, no key, fanout 1, depth 1.def initial() -> T.Chain:  T.H{T.W{4072524104,1779033703},T.W{2227873595,3144134277},T.W{4271175723,1013904242},T.W{1595750129,2773480762},T.W{2917565137,1359893119},T.W{725511199,2600822924},T.W{4215389547,528734635},T.W{327033209,1541459225}}def unchecked(a: Array<U32>, +length: Nat) -> T.Chain:  +n = Nat.div(Nat.sub(length,1n),128n)  blocks(n,0,Nat.sub(length,Nat.mul(n,128n)),T.C{0,0,0,0},(a,initial()))def digest(h: T.Chain) -> Array<U32>:  match h:    case T.H{T.W{l0,u0},T.W{l1,u1},T.W{l2,u2},T.W{l3,u3},T.W{l4,u4},T.W{l5,u5},T.W{l6,u6},T.W{l7,u7}}:      a = Array.new(U32,4n,0)      a = Array.set(U32,a,0,l0)      a = Array.set(U32,a,1,u0)      a = Array.set(U32,a,2,l1)      a = Array.set(U32,a,3,u1)      a = Array.set(U32,a,4,l2)      a = Array.set(U32,a,5,u2)      a = Array.set(U32,a,6,l3)      a = Array.set(U32,a,7,u3)      a = Array.set(U32,a,8,l4)      a = Array.set(U32,a,9,u4)      a = Array.set(U32,a,10,l5)      a = Array.set(U32,a,11,u5)      a = Array.set(U32,a,12,l6)      a = Array.set(U32,a,13,u6)      a = Array.set(U32,a,14,l7)      a = Array.set(U32,a,15,u7)      adef checked(valid: Bool, a: Array<U32>, length: Nat) -> Maybe<&1,Array<U32>>:  match valid:    case False{}: None{}    case True{}: Some{digest(unchecked(a,length))}def sized(+length: Nat, pair: Array<U32> & U32) -> Maybe<&1,Array<U32>>:  (a,capacity) = pair  checked(Nat.is_le(length,Nat.mul(4n,U32.to_nat(capacity))),a,length)# BLAKE2b-512, unkeyed. The message is packed little-endian, four bytes per word;# byte_length is its length in bytes (None when it exceeds 4 * capacity). The# digest is 16 little-endian words (64 bytes).def blake2b(words: Array<U32>, byte_length: Nat) -> Maybe<&1,Array<U32>>:  sized(byte_length,Array.size(U32,words))