diff --git a/examples/rs256.rs b/examples/rs256.rs
index ff6c1e3..d685c34 100644
--- a/examples/rs256.rs
+++ b/examples/rs256.rs
@@ -10,7 +10,7 @@ use medallion::{
     Token,
 };
 
-fn load_key(keypath: &str) -> Result<String, Error> {
+fn load_pem(keypath: &str) -> Result<String, Error> {
     let mut key_file = File::open(keypath)?;
     let mut key = String::new();
     key_file.read_to_string(&mut key)?;
@@ -34,13 +34,13 @@ fn new_token(user_id: &str, password: &str) -> Option<String> {
     };
     let token = Token::new(header, claims);
 
-    token.signed(load_key("./privateKey.pem").unwrap().as_bytes()).ok()
+    token.signed(load_pem("./privateKey.pem").unwrap().as_bytes()).ok()
 }
 
 fn login(token: &str) -> Option<String> {
     let token = Token::<DefaultHeader, Registered>::parse(token).unwrap();
 
-    if token.verify(load_key("./publicKey.pub").unwrap().as_bytes()).unwrap() {
+    if token.verify(load_pem("./publicKey.pub").unwrap().as_bytes()).unwrap() {
         token.claims.sub
     } else {
         None
diff --git a/src/crypt.rs b/src/crypt.rs
index da07701..40d2b08 100644
--- a/src/crypt.rs
+++ b/src/crypt.rs
@@ -71,7 +71,7 @@ fn verify_rsa(signature: &str, data: &str, key: &[u8], digest: MessageDigest) ->
 }
 
 #[cfg(test)]
-mod tests {
+pub mod tests {
     use header::Algorithm;
     use std::io::{Error, Read};
     use std::fs::File;
@@ -99,7 +99,7 @@ mod tests {
         let real_sig = "nXdpIkFQYZXZ0VlJjHmAc5_aewHCCJpT5jP1fpexUCF_9m3NxlC7uYNXAl6NKno520oh9wVT4VV_vmPeEin7BnnoIJNPcImWcUzkYpLTrDBntiF9HCuqFaniuEVzlf8dVlRJgo8QxhmUZEjyDFjPZXZxPlPV1LD6hrtItxMKZbh1qoNY3OL7Mwo-WuSRQ0mmKj-_y3weAmx_9EaTLY639uD8-o5iZxIIf85U4e55Wdp-C9FJ4RxyHpjgoG8p87IbChfleSdWcZL3NZuxjRCHVWgS1uYG0I-LqBWpWyXnJ1zk6-w4tfxOYpZFMOIyq4tY2mxJQ78Kvcu8bTO7UdI7iA==";
         let data = format!("{}.{}", header, claims);
 
-        let key = load_key("./examples/privateKey.pem").unwrap();
+        let key = load_pem("./examples/privateKey.pem").unwrap();
 
         let sig = sign(&*data, key.as_bytes(), &Algorithm::RS256);
 
@@ -123,11 +123,11 @@ mod tests {
         let real_sig = "nXdpIkFQYZXZ0VlJjHmAc5_aewHCCJpT5jP1fpexUCF_9m3NxlC7uYNXAl6NKno520oh9wVT4VV_vmPeEin7BnnoIJNPcImWcUzkYpLTrDBntiF9HCuqFaniuEVzlf8dVlRJgo8QxhmUZEjyDFjPZXZxPlPV1LD6hrtItxMKZbh1qoNY3OL7Mwo-WuSRQ0mmKj-_y3weAmx_9EaTLY639uD8-o5iZxIIf85U4e55Wdp-C9FJ4RxyHpjgoG8p87IbChfleSdWcZL3NZuxjRCHVWgS1uYG0I-LqBWpWyXnJ1zk6-w4tfxOYpZFMOIyq4tY2mxJQ78Kvcu8bTO7UdI7iA";
         let data = format!("{}.{}", header, claims);
 
-        let key = load_key("./examples/publicKey.pub").unwrap();
+        let key = load_pem("./examples/publicKey.pub").unwrap();
         assert!(verify(&real_sig, &*data, key.as_bytes(), &Algorithm::RS256).unwrap());
     }
 
-    fn load_key(keypath: &str) -> Result<String, Error> {
+    pub fn load_pem(keypath: &str) -> Result<String, Error> {
         let mut key_file = File::open(keypath)?;
         let mut key = String::new();
         key_file.read_to_string(&mut key)?;
diff --git a/src/lib.rs b/src/lib.rs
index 685fd93..28d7714 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -123,10 +123,9 @@ impl<H, C> PartialEq for Token<H, C>
 mod tests {
     use Claims;
     use Token;
+    use crypt::tests::load_pem;
     use header::Algorithm::{HS256,RS512};
     use header::DefaultHeader;
-    use std::io::{Error, Read};
-    use std::fs::File;
 
     #[derive(Default, Debug, Serialize, Deserialize, PartialEq)]
     struct EmptyClaim { }
@@ -162,19 +161,12 @@ mod tests {
             },
             ..Default::default()
         };
-        let private_key = load_key("./examples/privateKey.pem").unwrap();
+        let private_key = load_pem("./examples/privateKey.pem").unwrap();
         let raw = token.signed(private_key.as_bytes()).unwrap();
         let same = Token::parse(&*raw).unwrap();
 
         assert_eq!(token, same);
-        let public_key = load_key("./examples/publicKey.pub").unwrap();
+        let public_key = load_pem("./examples/publicKey.pub").unwrap();
         assert!(same.verify(public_key.as_bytes()).unwrap());
     }
-
-    fn load_key(keypath: &str) -> Result<String, Error> {
-        let mut key_file = File::open(keypath)?;
-        let mut key = String::new();
-        key_file.read_to_string(&mut key)?;
-        Ok(key)
-    }
 }