def lengths

bend-collections-laws-crypto@1.0.0.0 · src/crypto/aes/gcm.bend:119

import Base

119# [len(A)]_64 || [len(C)]_64, in bits.
120def lengths(+aad: List<&2, U32>, +c: List<&2, U32>) -> List<&2, U32>:
121  List.append(&2, U32, octets(8n, Nat.mul(8n, List.length(&2, U32, aad))),
122    octets(8n, Nat.mul(8n, List.length(&2, U32, c))))