diff --git a/lib/src/lib.rs b/lib/src/lib.rs
index 0b77b95..839cd2e 100644
--- a/lib/src/lib.rs
+++ b/lib/src/lib.rs
@@ -57,11 +57,19 @@ impl From<&str> for BytesPattern {
             }
         }
 
+        let bytes = HEXUPPER
+            .decode(elements.join("").as_bytes())
+            .expect("decode pattern");
+
+        Self::from((bytes, mask))
+    }
+}
+
+impl From<(Vec<u8>, Vec<bool>)> for BytesPattern {
+    fn from(x: (Vec<u8>, Vec<bool>)) -> Self {
         let mut s = Self {
-            bytes: HEXUPPER
-                .decode(elements.join("").as_bytes())
-                .expect("decode pattern"),
-            mask,
+            bytes: x.0,
+            mask: x.1,
             pi: Vec::<usize>::new(),
         };
         s.prefix_function();