diff --git a/src/encryption.rs b/src/encryption.rs
new file mode 100644
index 0000000..c32d36c
--- /dev/null
+++ b/src/encryption.rs
@@ -0,0 +1,19 @@
+use crate::{Error, InputKeyMaterialList};
+
+pub fn encrypt(
+	ikml: &InputKeyMaterialList,
+	key_context: &[impl AsRef<[u8]>],
+	data: impl AsRef<[u8]>,
+	data_context: &[impl AsRef<[u8]>],
+) -> Result<String, Error> {
+	unimplemented!("encrypt");
+}
+
+pub fn decrypt(
+	ikml: &InputKeyMaterialList,
+	key_context: &[impl AsRef<[u8]>],
+	data: impl AsRef<[u8]>,
+	data_context: &[impl AsRef<[u8]>],
+) -> Result<Vec<u8>, Error> {
+	unimplemented!("decrypt");
+}
diff --git a/src/lib.rs b/src/lib.rs
index e807e46..dade1c7 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,9 +1,13 @@
+#[cfg(feature = "encryption")]
+mod encryption;
 mod error;
 #[cfg(any(feature = "encryption", feature = "ikm-management"))]
 mod ikm;
 #[cfg(any(feature = "encryption", feature = "ikm-management"))]
 mod scheme;
 
+#[cfg(feature = "encryption")]
+pub use encryption::{decrypt, encrypt};
 pub use error::Error;
 #[cfg(any(feature = "encryption", feature = "ikm-management"))]
 pub use ikm::InputKeyMaterialList;