diff --git a/http-signature-normalization-warp/src/lib.rs b/http-signature-normalization-warp/src/lib.rs
index 92492ca..38970be 100644
--- a/http-signature-normalization-warp/src/lib.rs
+++ b/http-signature-normalization-warp/src/lib.rs
@@ -1,11 +1,43 @@
 use http::{header::HeaderMap, Method};
-pub use http_signature_normalization_http::{Config, verify::Unverified};
+pub use http_signature_normalization_http::{
+    verify::{Algorithm, DeprecatedAlgorithm, Unverified},
+    Config,
+};
 use std::{future::Future, pin::Pin};
 use warp::{path::FullPath, Filter, Rejection};
 
+pub fn prepare_unverified(
+    config: Config,
+) -> impl Filter<Extract = (Unverified,), Error = Rejection> + Clone {
+    warp::any()
+        .map(move || config.clone())
+        .and(warp::header::headers_cloned())
+        .and(warp::method())
+        .and(warp::path::full())
+        .and(warp::query::raw())
+        .and_then(
+            move |config: Config,
+                  headers: HeaderMap,
+                  method: Method,
+                  path: FullPath,
+                  query: String| {
+                let path_and_query = format!("{}?{}", path.as_str(), query).parse().unwrap();
+
+                async move {
+                    config
+                        .begin_verify(&method, Some(&path_and_query), headers)
+                        .map_err(|_| warp::reject::not_found())
+                }
+            },
+        )
+}
+
 pub fn verify<T>(
     config: Config,
-    verifier: impl Fn(Unverified) -> Pin<Box<dyn Future<Output = Result<T, ()>> + Send>> + Clone + Send + Sync,
+    verifier: impl Fn(Unverified) -> Pin<Box<dyn Future<Output = Result<T, ()>> + Send>>
+        + Clone
+        + Send
+        + Sync,
 ) -> impl Filter<Extract = (T,), Error = Rejection> + Clone
 where
     T: Send,
@@ -32,9 +64,7 @@ async fn do_verify<T>(
     let path_and_query = format!("{}?{}", path.as_str(), query).parse().unwrap();
 
     match config.begin_verify(&method, Some(&path_and_query), headers) {
-        Ok(v) => verifier(v)
-            .await
-            .map_err(|_| warp::reject::not_found()),
+        Ok(v) => verifier(v).await.map_err(|_| warp::reject::not_found()),
         Err(_) => Err(warp::reject::not_found()),
     }
 }
diff --git a/src/verify.rs b/src/verify.rs
index 3c8f38a..86f4fa8 100644
--- a/src/verify.rs
+++ b/src/verify.rs
@@ -347,7 +347,10 @@ mod tests {
         let time1 = Utc::now().timestamp();
         let time2 = Utc::now().timestamp();
 
-        let h = format!(r#"Signature keyId="my-key-id",algorithm="hs2019",created="{}",expires="{}",headers="(request-target) (created) (expires) date content-type",signature="blah blah blah""#, time1, time2);
+        let h = format!(
+            r#"Signature keyId="my-key-id",algorithm="hs2019",created="{}",expires="{}",headers="(request-target) (created) (expires) date content-type",signature="blah blah blah""#,
+            time1, time2
+        );
 
         parse_signature(&h)
     }
@@ -357,7 +360,10 @@ mod tests {
         let time1 = Utc::now().timestamp();
         let time2 = Utc::now().timestamp();
 
-        let h = format!(r#"Signature keyId="my-key-id",algorithm="rsa-sha256",created="{}",expires="{}",signature="blah blah blah""#, time1, time2);
+        let h = format!(
+            r#"Signature keyId="my-key-id",algorithm="rsa-sha256",created="{}",expires="{}",signature="blah blah blah""#,
+            time1, time2
+        );
 
         parse_signature(&h)
     }
@@ -366,7 +372,10 @@ mod tests {
     fn parses_header_succesfully_3() {
         let time1 = Utc::now().timestamp();
 
-        let h = format!(r#"Signature keyId="my-key-id",algorithm="rsa-sha256",created="{}",headers="(request-target) (created) date content-type",signature="blah blah blah""#, time1);
+        let h = format!(
+            r#"Signature keyId="my-key-id",algorithm="rsa-sha256",created="{}",headers="(request-target) (created) date content-type",signature="blah blah blah""#,
+            time1
+        );
 
         parse_signature(&h)
     }