<PackageReference Include="BouncyCastle.Cryptography" Version="2.3.0" />

Msg

class Msg
namespace Org.BouncyCastle.Pqc.Crypto.Picnic { internal class Msg { internal byte[][] msgs; internal int pos; internal int unopened; internal Msg(PicnicEngine engine) { msgs = new byte[engine.numMPCParties][]; for (int i = 0; i < engine.numMPCParties; i++) { msgs[i] = new byte[engine.andSizeBytes]; } pos = 0; unopened = -1; } } }