def fuse_step

bend-collections-laws-crypto@1.0.0.0 · proofs/crypto/blake/blake3/loop.bend:114

import Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/blake/blake3/types.bend as T
import bend-collections-laws-crypto@1.0.0.0/src/crypto/blake/blake3/blake3.bend as K
import bend-collections-laws-crypto@1.0.0.0/spec/crypto/blake/blake3.bend as S
import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/blake/blake3/array.bend as A
import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/blake/blake3/chunk.bend as CH

114def fuse_step(+p: Nat, +t: U32, +index: U32, +len: Nat, +s: K.Stack, q: Array<U32> & T.Out,
115    rec: @a2: Array<U32> -> @s2: K.Stack -> {K.chunks(p,U32.inc(t),U32.add(index,256),len,(a2,s2)) == run(s2,S.chunks(p,U32.inc(t),U32.add(index,256),len,S.chunk_at(p,U32.inc(t),U32.add(index,256),len,a2))) : T.Out}
116  ) -> {K.chunks(p,U32.inc(t),U32.add(index,256),len,K.pushed(s,CH.outcv(q))) == run(s,S.chunks(1n+p,t,index,len,q)) : T.Out}:
117  (a,o) = q
118  fuse_step2(p,t,index,len,s,a,o,A.reify(a),rec)