feat: pgp decrypt

src/pgpcardutil.rs

@@ -18,3 +18,20 @@ pub fn get_card_user_sw1_81(pass: &str) -> XResult<OpenPGPCardUser> {
     }
 }
 
+pub fn get_card_user_sw1_82(pass: &str) -> XResult<OpenPGPCardUser> {
+    match OpenPGPCard::list_cards() {
+        Ok(list) => {
+            // pw1_82 for decrypt
+            // PKCSv1.5
+            if list.is_empty() {
+                return simple_error!("Cannot find any card");
+            }
+            match list.into_iter().next().unwrap().verify_pw1_82(pass) {
+                Result::Ok(user) => Ok(user),
+                Result::Err(_) => simple_error!("Verify pw1_82 OpenPGP card failed"),
+            }
+        }
+        Err(e) => simple_error!("Read OpenPGP card failed: {}", e),
+    }
+}
+