Here again the program worked smoothly. It identified the encrypted files and, once I supplied a password, decrypted them. AEFSDR can't solve every file encryption problem.

How to Encrypt any File, Folder, or Drive on Your System Trust us, it’s safer this way. Photograph: Peter Dazeley/Getty Images ...

This paper introduces an applied problem-solving task, set in the context of cryptography and embedded in a network of computer-based tools. This designed learning environment engaged students in a ...