Codes & Ciphers

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Across
  1. 4. A person who makes maps.
  2. 6. To uncover or make visible.
  3. 7. Known by only a few people.
  4. 9. A method used to disguise a message.
  5. 11. To mix up letters, words, or symbols.
  6. 13. Text before it is encrypted.
  7. 16. A picture or mark that represents something.
  8. 17. A person who solves or breaks codes.
  9. 18. To keep something out of sight.
  10. 19. To make information secret.
  11. 22. in reverse order.
  12. 23. Not for everyone to see.
  13. 25. To put information into code form.
  14. 26. Related to computers and electronic information.
  15. 28. To turn a message into cipher form.
  16. 30. A piece of information used to unlock a code.
  17. 31. The study of breaking secret codes.
  18. 33. To send information from one place to another.
  19. 35. A written copy of spoken or recorded information.
  20. 39. A picture used to show an idea or feeling.
  21. 40. The science of making secret codes.
  22. 42. To find the answer to a problem.
  23. 43. convert a coded message into readable text.
Down
  1. 1. To discover or notice something.
  2. 2. To successfully break a code.
  3. 3. A code that uses dots and dashes.
  4. 5. To discover the meaning of a coded message.
  5. 8. Text after it has been encrypted.
  6. 10. Unable to be seen.
  7. 12. The practice of hiding information inside another message.
  8. 13. To keep safe from harm or loss.
  9. 14. To make sure something stays safe.
  10. 15. A tool or machine designed for a purpose.
  11. 20. To capture a message before it reaches its destination.
  12. 21. Information sent from one person to another.
  13. 24. The process of turning information into secret form.
  14. 27. Replacing one thing with another in a code.
  15. 28. Intended to be kept private.
  16. 29. To keep something secret or hidden.
  17. 32. An old communication system using signals over wires.
  18. 34. To change words from one language or form to another.
  19. 36. The process of turning secret information back into readable form.
  20. 37. Protected from danger or access.
  21. 38. A system of symbols or rules used to send information.
  22. 41. To make known or show.