diff --git a/polyfuzzy/src/fmd2.rs b/polyfuzzy/src/fmd2.rs
index b78b7bd..9cd0acc 100644
--- a/polyfuzzy/src/fmd2.rs
+++ b/polyfuzzy/src/fmd2.rs
@@ -40,6 +40,14 @@ pub struct FlagCiphertexts {
     c: Vec<u8>,
 }
 
+impl FlagCiphertexts {
+    /// Return the bits of the flag ciphertext.
+    #[inline]
+    pub fn bits(&self) -> &[u8] {
+        &self.c
+    }
+}
+
 impl From<GenericFlagCiphertexts> for FlagCiphertexts {
     fn from(value: GenericFlagCiphertexts) -> Self {
         FlagCiphertexts {
diff --git a/polyfuzzy/src/fmd2_compact/mod.rs b/polyfuzzy/src/fmd2_compact/mod.rs
index a97802d..9338a71 100644
--- a/polyfuzzy/src/fmd2_compact/mod.rs
+++ b/polyfuzzy/src/fmd2_compact/mod.rs
@@ -99,6 +99,14 @@ pub struct FmdPublicKey(PointEvaluations);
 #[derive(Debug, Clone)]
 pub struct FlagCiphertexts(GenericFlagCiphertexts);
 
+impl FlagCiphertexts {
+    /// Return the bits of the flag ciphertext.
+    #[inline]
+    pub fn bits(&self) -> &[u8] {
+        &self.0.c.0
+    }
+}
+
 /// Cache of expanded FMD public keys.
 #[derive(Debug, Clone)]
 struct ExpandedKeyCache {