Tag: preservation

• Reconstructing the CCED 4.0 Encrypted Disk: 1991 Copy Protection, Reverse-Engineered

  2025-12-01

  Reconstructing the CCED 4.0 encrypted disk, reverse engineering the 1991 copy protection scheme to recover the encryption and key material, with the result and caveats spelled out.

• Reconstructing a Bitlock Key Disk: Reverse-Engineering 90s Disk Copy Protection

  2025-11-30

  Reconstructing a Bitlock key disk, reverse engineering 1990s disk copy protection to recover the key material from the floppy, and the gotchas flagged along the way.