From 04c00bc7c9b8a92514a7390d2a315c4538ccc689 Mon Sep 17 00:00:00 2001
From: Victor Lopez <victor@dusk.network>
Date: Wed, 4 Nov 2020 15:38:33 +0100
Subject: [PATCH] Re-add serialized size const fn for cipher

---
 src/cipher/cipher.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/cipher/cipher.rs b/src/cipher/cipher.rs
index 742ae7c..9ec9f5b 100644
--- a/src/cipher/cipher.rs
+++ b/src/cipher/cipher.rs
@@ -12,7 +12,9 @@ use dusk_plonk::jubjub::AffinePoint;
 use dusk_plonk::prelude::*;
 use hades252::{ScalarStrategy, Strategy, WIDTH};
 
-use super::{CIPHER_BYTES_SIZE, CIPHER_SIZE, MESSAGE_CAPACITY};
+use super::{
+    CIPHER_BYTES_SIZE, CIPHER_SIZE, ENCRYPTED_DATA_SIZE, MESSAGE_CAPACITY,
+};
 
 pub use super::CipherError;
 
@@ -143,6 +145,11 @@ impl PoseidonCipher {
         MESSAGE_CAPACITY
     }
 
+    /// Bytes consumed on serialization of the poseidon cipher
+    pub const fn serialized_size() -> usize {
+        ENCRYPTED_DATA_SIZE
+    }
+
     /// Encrypt a slice of scalars into an internal cipher representation
     ///
     /// The message size will be truncated to [`MESSAGE_CAPACITY`] bits