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Krolypto v1.4

FILE INFORMATION

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Ranked as 18 on our top rated list with a weighted average of 8.81.

krolypto.zip
Filename krolypto.zip
Title Krolypto v1.4
Description Krolypto is a security solution for your TI-83 Plus/Silver Edition. It provides encryption and decryption facilities, using the Blowfish, GOST, and RC6 algorithms. It also provides password protection abilities for the apps menu, the memory menu, and upon startup. Due to export restrictions, you may not download Krolypto if you are from Afghanistan, Cuba, Iran, Iraq, Libya, North Korea, Sudan, Syria, or any other country, organization, or company on the United States Commerce Department's "Denied Parties List." Version 1.4 fixes some bugs in the key entry and startup password entry input routines. My apologies for the grammatical typo in the readme.
Author Michael Vincent (michael@radicalsoft.org)
Category TI-83/84 Plus Flash Misc. Programs
File Size 138,337 bytes
File Date and Time Sun Aug 13 00:20:44 2006
Documentation Included? Yes
Source Code Included? Yes

SCREEN SHOTS

RATING

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REVIEWS

Review
Review by  Nick Liu
Reviewed on 2008-03-06
Krolypto is a great way to lock out other people. There are serious problems with Kroylpto v1.4 though. With Omnicalc turned on and Apps, Memory, and/or Programs protection on, there is a way to get to the Apps, and Memory without the password.

From the Home Screen:

[PRGM] [PRGM] [APPS] then you are in the Apps menu

[PRGM] [PRGM] [2ND] [+] then you are in the Memory menu

When saying that you have to reset all memory to use Krolypto again, that is not true. With DoorsCS6 by Kerm Martain, just erase the file called "calcdb2" and Krolypto is avaliable for use again.

Krolypto is a really good way to lock out normal people, but the advanced users can't be tricked. I got some advanced and regular calculator users to try to break through Kroypto with Omnicalc and DoorsCS6:

1 out of 5 advanced users fully trashed Kroylpto's protection with only a RAM reset

2 out of 5 advanced users got past the startup lock by resetting the RAM

0 out of 7 regular users got past any Krolypto security

Usage: 9/10 (Easy, but to protect your keys, you have to archive AppVar krolypto)

Memory: 10/10 (Its an Application)

Compatibility: 2/10 (ruins MirageOS hooks, drops protection with Omnicalc, and DoorsCS6 can override Krolypto)

Encryption: 10/10 (unbeatable)

Quality: 9/10 (scrolling through programs to encrypt/decrypt take a while)

Overall w/Omnicalc and DoorsCS6: 4/10 (You're very vunerable with Omnicalc and DoorsCS6)

Overall wo/ Omnicalc and Doors CS6: 9/10 (Amazing protection)


See 4 more reviews

ARCHIVE CONTENTS

Archive Contents
Name Size
krolypto.8xk    37601
krolypto.html    13694
KEYGEN.EXE    26478
krolypto_source.zip    98336

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