/usr/share/keyrings/ is in ubuntu-extras-keyring 2010.09.27.
This file is owned by root:root, with mode 0o755.
| File | Mime Type | Owner | Mode | Size | 
|---|---|---|---|---|
| 
    
        
    
    
    ..
    
        
    
 | ||||
| 
    
    
    /usr/share/keyrings/ubuntu-extras-keyring-removed-keys.gpg
    
 | application/x-empty | root:root | 0o644 | 0 bytes | 
| 
    
    
    /usr/share/keyrings/ubuntu-extras-keyring.gpg
    
 | application/x-gnupg-keyring | root:root | 0o644 | 591 bytes |