/// Number of Rescue base field ciphertexts for the encrypted MXE keys.
/// - 1 for the x25519 private key
/// - 5 for the Rescue scalar field key
/// - 1 for the AES-128 key
/// - 1 for the AES-192 key
/// - 2 for the AES-256 key
/// - 2 for the ed25519 secret key
/// - 1 for the ElGamal secret key
pub const MXE_KEYS_ENC_COUNT: usize = 13;