1 files changed, 31 insertions, 0 deletions
diff --git a/src/auth.rs b/src/auth.rs
new file mode 100644
index 0000000..90ce4a5
--- /dev/null
+++ b/src/auth.rs
@@ -0,0 +1,31 @@
+use argon2::{Argon2, PasswordHash, PasswordVerifier, password_hash::{
+    Error, PasswordHasher, SaltString, rand_core::OsRng
+}};
+
+pub fn hash_password(password: &str) -> Result<String, Error> {
+    let argon2 = Argon2::default();
+    let salt = SaltString::generate(&mut OsRng);
+    Ok(argon2.hash_password(password.as_bytes(), &salt)?.to_string())
+}
+
+pub fn check_password(password: &str, password_hash: &str) -> Result<bool, Error> {
+    let argon2 = Argon2::default();
+    let hash = PasswordHash::new(password_hash)?;
+    Ok(argon2.verify_password(password.as_bytes(), &hash).is_ok())
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_password_hashing() {
+
+        let passwords = vec!["password", "test1", "random"];
+
+        for password in &passwords {
+            let hash = hash_password(password).unwrap();
+            assert!(check_password(password, &hash).unwrap());
+        }
+    }
+}