Tresor (file encryption)
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Tresor is a file encryption tool for the Macintosh. It is simple to use,
fast, and offers very high cryptographic security. It is available in
native versions for 68k Macs and PowerMacs as well as in a FAT version and
requires MacOS 7.0 minimum. Tresor is shareware. The registration fee is 20
Tresor encrypts any file using the IDEA™ block encryption algorithm.
Encryption uses self-selected passwords. For decryption, the same password
that was used for encryption will be needed again.
IDEA™ (International Data Encryption Algorithm) uses data blocks of 64 bits
and a key length of 128 bits. The algorithm was developed at the Institute
for Signal and Information Processing of the Swiss Federal Institute of
Technology, Zurich, by James L. Massey and Xuejia Lai and is regarded as
the most secure block algorithm publicly available today (significantly
safer than the de facto industry standard DES). IDEA™ is patented, and any
use of the algorithm is thus subject to a license from Ascom Systec Ltd. By
paying the registration fee, you automatically acquire the right to use the
IDEA™ algorithm with Tresor.
Thanks to IDEA™, Tresor offers the highest level of cryptographic security
and protects your confidential documents from unauthorized inquisitive
eyes. Carefully choosing your passwords with Tresor will even protect you
from opponents with a $100 million budget (like the NSA).
Before you download Tresor, you should make sure that your country does not
restrict the import or use of strong cryptography.
You can download Tresor from:
WarLord's Download Page
Tresor 1.2.0 Generic PPC Version English
Tresor 1.2.0 G4 Version English
1.0.2 68k obsolete
Strong Encryption methods. Great people who make the program, ask them
anything and they will help you out. As always check out their website or email them with any