diff --git a/src/lib_crypto/crypto_box.ml b/src/lib_crypto/crypto_box.ml
index c38b98183..f3379eee7 100644
--- a/src/lib_crypto/crypto_box.ml
+++ b/src/lib_crypto/crypto_box.ml
@@ -208,3 +208,5 @@ let secret_key_encoding =
 
 let nonce_encoding =
   Data_encoding.Fixed.bytes nonce_size
+let neuterize : secret_key -> public_key = Box.neuterize
+let equal : public_key -> public_key -> bool = Box.equal
diff --git a/src/lib_crypto/crypto_box.mli b/src/lib_crypto/crypto_box.mli
index 409e56548..4dc912df3 100644
--- a/src/lib_crypto/crypto_box.mli
+++ b/src/lib_crypto/crypto_box.mli
@@ -92,3 +92,6 @@ val secret_key_size : int
 val public_key_encoding : public_key Data_encoding.t
 val secret_key_encoding : secret_key Data_encoding.t
 val nonce_encoding : nonce Data_encoding.t
+
+val neuterize : secret_key -> public_key
+val equal : public_key -> public_key -> bool