def pick_eq

bend-collections-laws-crypto@1.0.0.0 · proofs/crypto/argon2/index.bend:89

import Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/blake/blake2b/types.bend as T
import bend-collections-laws-crypto@1.0.0.0/src/crypto/argon2/types.bend as A
import bend-collections-laws-crypto@1.0.0.0/src/crypto/argon2/argon2.bend as I
import bend-collections-laws-crypto@1.0.0.0/spec/crypto/argon2/argon2.bend as SA

89def pick_eq(+indep: Bool, +addr: A.Block, +idx: Nat, +prev: A.Block) -> {I.pick(indep, addr, idx, prev) == SA.pick(indep, addr, idx, prev) : T.Lane}:
90  match indep:
91    case True{}:
92      lane_eq(addr, Nat.mod(idx, 128n))
93    case False{}:
94      lane_eq(prev, 0n)