Related Clues:
- Encrypted
- Needing crackers, say
- Secret, as a message
- Emulated Hammurabi
- Like a cryptogram
- In secret language
- Rendered unreadable
- Not easy to read
- Encrypted, as a message
- Written in a secret language
- Like some wartime messages
- Put into bars, say
- Enciphered
- Encrypted, prearranged for secrecy
- Hard to read, maybe