law involution
bend-collections-laws-crypto@1.0.0.0 · proofs/crypto/chacha/involution.bend:203
import bend-collections-laws-crypto@1.0.0.0/proofs/crypto/chacha/involution.bend as Involution
import Base
import bend-collections-laws-crypto@1.0.0.0/spec/crypto/chacha.bend as R
203law involution:
204 for +r: Nat
205 for +kb: List<&2, U32>
206 for +c: U32
207 for +nb: List<&2, U32>
208 for +pt: List<&2, U32>
209 {R.encrypt_rounds(r, kb, c, nb, R.encrypt_rounds(r, kb, c, nb, pt)) == pt : List<&2, U32>}