fix #4319

7 years ago · 0b72803dd4
1 changed files with 8 additions and 2 deletions
--- a/lib/keystore.py
+++ b/lib/keystore.py
@ -677,12 +677,18 @@ def load_keystore(storage, name):
    return k


-def is_old_mpk(mpk):
+def is_old_mpk(mpk: str) -> bool:
    try:
        int(mpk, 16)
    except:
        return False
-    return len(mpk) == 128
+    if len(mpk) != 128:
+        return False
+    try:
+        ecc.ECPubkey(bfh('04' + mpk))
+    except:
+        return False
+    return True


 def is_address_list(text):