server/crates/arbiter-crypto/src/integrity.rs

@@ -0,0 +1,6 @@
+use crate::hashing::Hashable;
+
+pub trait Integrable: Hashable {
+    const KIND: &'static str;
+    const VERSION: i32 = 1;
+}

server/crates/arbiter-crypto/src/lib.rs

@@ -1,6 +1,7 @@
 #[cfg(feature = "authn")]
 pub mod authn;
 pub mod hashing;
+pub mod integrity;
 #[cfg(feature = "safecell")]
 pub mod safecell;
 

server/crates/arbiter-server/src/crypto/integrity/v1.rs

@@ -52,10 +52,7 @@ pub const INTEGRITY_SUBKEY_TAG: &[u8] = b"arbiter/db-integrity-key/v1";
 
 pub type HmacSha256 = Hmac<Sha256>;
 
-pub trait Integrable: Hashable {
-    const KIND: &'static str;
-    const VERSION: i32 = 1;
-}
+pub use arbiter_crypto::integrity::Integrable;
 
 fn payload_hash(payload: &impl Hashable) -> [u8; 32] {
     let mut hasher = Sha256::new();