diff --git a/src/encryption.rs b/src/encryption.rs
index 55891e5..0dd8105 100644
--- a/src/encryption.rs
+++ b/src/encryption.rs
@@ -6,6 +6,7 @@ use crate::{storage, InputKeyMaterialList};
 pub(crate) type DecryptionFunction = dyn Fn(&[u8], &EncryptedData, &str) -> Result<Vec<u8>>;
 pub(crate) type EncryptionFunction = dyn Fn(&[u8], &[u8], &str) -> Result<EncryptedData>;
 
+#[derive(Debug)]
 pub(crate) struct EncryptedData {
 	pub(crate) nonce: Vec<u8>,
 	pub(crate) ciphertext: Vec<u8>,
@@ -67,14 +68,14 @@ mod tests {
 		// Encrypt
 		let lst = get_ikm_lst();
 		let res = encrypt(&lst, &[], TEST_DATA, EMPTY_DATA_CTX);
-		assert!(res.is_ok());
+		assert!(res.is_ok(), "res: {res:?}");
 		let ciphertext = res.unwrap();
 		assert!(ciphertext.starts_with("AQAAAA:"));
 		assert_eq!(ciphertext.len(), 98);
 
 		// Decrypt
 		let res = decrypt(&lst, &[], &ciphertext, EMPTY_DATA_CTX);
-		assert!(res.is_ok());
+		assert!(res.is_ok(), "res: {res:?}");
 		let plaintext = res.unwrap();
 		assert_eq!(plaintext, TEST_DATA);
 	}
@@ -84,14 +85,14 @@ mod tests {
 		// Encrypt
 		let lst = get_ikm_lst();
 		let res = encrypt(&lst, TEST_KEY_CTX, TEST_DATA, TEST_DATA_CTX);
-		assert!(res.is_ok());
+		assert!(res.is_ok(), "res: {res:?}");
 		let ciphertext = res.unwrap();
 		assert!(ciphertext.starts_with("AQAAAA:"));
 		assert_eq!(ciphertext.len(), 98);
 
 		// Decrypt
 		let res = decrypt(&lst, TEST_KEY_CTX, &ciphertext, TEST_DATA_CTX);
-		assert!(res.is_ok());
+		assert!(res.is_ok(), "res: {res:?}");
 		let plaintext = res.unwrap();
 		assert_eq!(plaintext, TEST_DATA);
 	}
diff --git a/src/ikm.rs b/src/ikm.rs
index d936ae7..d49ac2b 100644
--- a/src/ikm.rs
+++ b/src/ikm.rs
@@ -181,7 +181,7 @@ mod tests {
 		assert_eq!(lst.ikm_lst.len(), 0);
 
 		let res = lst.add_ikm();
-		assert!(res.is_ok());
+		assert!(res.is_ok(), "res: {res:?}");
 		assert_eq!(lst.id_counter, 1);
 		assert_eq!(lst.ikm_lst.len(), 1);
 		assert!(lst.ikm_lst.first().is_some());
@@ -193,12 +193,12 @@ mod tests {
 			Scheme::XChaCha20Poly1305WithBlake3,
 			Duration::from_secs(crate::DEFAULT_IKM_DURATION),
 		);
-		assert!(res.is_ok());
+		assert!(res.is_ok(), "res: {res:?}");
 		assert_eq!(lst.id_counter, 2);
 		assert_eq!(lst.ikm_lst.len(), 2);
 
 		let res = lst.add_ikm();
-		assert!(res.is_ok());
+		assert!(res.is_ok(), "res: {res:?}");
 		assert_eq!(lst.id_counter, 3);
 		assert_eq!(lst.ikm_lst.len(), 3);
 	}
@@ -211,7 +211,7 @@ mod tests {
 		assert_eq!(lst.ikm_lst.len(), 0);
 
 		let res = lst.export();
-		assert!(res.is_ok());
+		assert!(res.is_ok(), "res: {res:?}");
 		let s = res.unwrap();
 		assert_eq!(&s, "AAAAAA");
 	}
@@ -223,7 +223,7 @@ mod tests {
 		let _ = lst.add_ikm();
 
 		let res = lst.export();
-		assert!(res.is_ok());
+		assert!(res.is_ok(), "res: {res:?}");
 		let s = res.unwrap();
 		assert_eq!(s.len(), 83);
 	}
@@ -233,7 +233,7 @@ mod tests {
 		let s =
 			"AQAAAA:AQAAAAEAAAC_vYEw1ujVG5i-CtoPYSzik_6xaAq59odjPm5ij01-e6zz4mUAAAAALJGBiwAAAAAA";
 		let res = InputKeyMaterialList::import(s);
-		assert!(res.is_ok());
+		assert!(res.is_ok(), "res: {res:?}");
 		let lst = res.unwrap();
 		assert_eq!(lst.id_counter, 1);
 		assert_eq!(lst.ikm_lst.len(), 1);
@@ -256,11 +256,11 @@ mod tests {
 		let lst = InputKeyMaterialList::new();
 
 		let res = lst.export();
-		assert!(res.is_ok());
+		assert!(res.is_ok(), "res: {res:?}");
 		let s = res.unwrap();
 
 		let res = InputKeyMaterialList::import(&s);
-		assert!(res.is_ok());
+		assert!(res.is_ok(), "res: {res:?}");
 		let lst_bis = res.unwrap();
 		assert_eq!(lst_bis.id_counter, lst.id_counter);
 		assert_eq!(lst_bis.id_counter, 0);
@@ -277,11 +277,11 @@ mod tests {
 		}
 
 		let res = lst.export();
-		assert!(res.is_ok());
+		assert!(res.is_ok(), "res: {res:?}");
 		let s = res.unwrap();
 
 		let res = InputKeyMaterialList::import(&s);
-		assert!(res.is_ok());
+		assert!(res.is_ok(), "res: {res:?}");
 		let lst_bis = res.unwrap();
 		assert_eq!(lst_bis.id_counter, lst.id_counter);
 		assert_eq!(lst_bis.id_counter, 10);
@@ -362,7 +362,7 @@ mod tests {
 			Duration::from_secs(crate::DEFAULT_IKM_DURATION),
 		);
 		let res = lst.get_latest_ikm();
-		assert!(res.is_ok());
+		assert!(res.is_ok(), "res: {res:?}");
 		let latest_ikm = res.unwrap();
 		assert_eq!(latest_ikm.id, 3);
 		assert_eq!(latest_ikm.scheme, Scheme::XChaCha20Poly1305WithBlake3);
@@ -386,7 +386,7 @@ mod tests {
 		let _ = lst.add_ikm();
 		for i in 1..=3 {
 			let res = lst.get_ikm_by_id(i);
-			assert!(res.is_ok());
+			assert!(res.is_ok(), "res: {res:?}");
 			let latest_ikm = res.unwrap();
 			assert_eq!(latest_ikm.id, i);
 		}
diff --git a/src/storage.rs b/src/storage.rs
index 3167e44..76a20b6 100644
--- a/src/storage.rs
+++ b/src/storage.rs
@@ -106,7 +106,7 @@ mod tests {
 	#[test]
 	fn decode() {
 		let res = super::decode_cipher(TEST_STR);
-		assert!(res.is_ok());
+		assert!(res.is_ok(), "res: {res:?}");
 		let (id, data) = res.unwrap();
 		assert_eq!(id, TEST_IKM_ID);
 		assert_eq!(data.nonce, TEST_NONCE);