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Tiny Cipher 1.5

Rating:	Your rating: None Average: 5 (4 votes)
Category:	Utilities
Year released:	1998
Author:	David Gillies
Publisher:	David Gillies

Download install-tiny-c.sit (841.24 KB)
For System 7.0 - 7.6 - Mac OS 9

Manual

Emulation
This app works with: SheepShaver, Basilisk II, Mini vMac

Tiny Cipher is an easy to use, solid encryption program for a 68k or PPC Macintosh, running Mac OS 7.0 to 9.2.2.

Tiny Cipher is fast in operation on both PPC or 68k Mac, it also offers secure file deletion of up to 7 overwrites of data.

Above download link now working. Thanks.
MD5 Checksum: 08a8f8b186f30468318d5e970e2c8761 *install-tiny-c.sit

Based on Needham & Wheeler's TEA (Tiny Encryption Algorithm) and using an updated version of TEA, (XTEA).

Perhaps not the most robust encryption (against dedicated encryption cracking), see Wikipedia entry, but likely good enough to lock yourself out of your own software permanently should you ever lose your own password (more than good enough to lock me out anyway)

"As of 2004, the best attack reported on XTEA is a related-key differential attack on 27 out of 64 rounds of XTEA, requiring 2^20.5 chosen plaintexts and a time complexity of 2^115.15 (Ko et al., 2004)."

Distribution Details and Copyright.
Tiny Cipher is copyright © David A. G. Gillies 1995-1998. All rights reserved.
Tiny Cipher is freeware. That means you can give it to your friends, install it on your machine at work, put it on a disk of free software, whatever.

Full Copyright details are included in the installation software.

Compatibility
Architecture: 68k PPC

Runs under Mac OS 7.0 to 9.2.2 - 68k & PPC CPU. Original Macintosh or clone, Mini vMac, Basilisk II or Sheepshaver, all OK.