feat: v0.5.4, many updates

src/util_env.rs

@@ -1,15 +1,18 @@
 use std::env;
 
+use rust_util::{debugging, warning};
+
 use crate::consts;
 
 pub fn get_default_encryption_algorithm() -> Option<&'static str> {
     let env_default_algorithm = env::var(consts::TINY_ENCRYPT_ENV_DEFAULT_ALGORITHM).ok();
+    debugging!("Environment variable {} = {:?}", consts::TINY_ENCRYPT_ENV_DEFAULT_ALGORITHM, env_default_algorithm);
     if let Some(env_algorithm) = env_default_algorithm {
         let lower_default_algorithm = env_algorithm.to_lowercase();
         match lower_default_algorithm.as_str() {
             "aes" | "aes/gcm" => return Some(consts::TINY_ENC_AES_GCM),
             "chacha20" | "chacha20/poly1305" => return Some(consts::TINY_ENC_CHACHA20_POLY1305),
-            _ => {}
+            _ => { warning!("Not matched any algorithm: {}", env_algorithm); }
         }
     }
     None