HP 48 Security Programs

hpcalc.org - HP 48 Archive

HP 48 Security Programs

The first size listed is the downloaded file size and the second size listed is the size on the calculator.

There are 35 files totaling 865KB in this category.

Clave (details)	2KB/1KB
Protects the calculator with an access code.
By José M. Alarcón Aguin.	1998/05/11

Clave (details)	4KB/1KB
Protects your HP with a password.
By Julian Salvador Arnal.	2001/02/14

CodeLock 1.00 (details)	4KB/2KB
Lock your HP 48 with a five-key password.
By Scott Thompson.	2008/08/14

CodeLock 1.3 (details)	4KB/2KB
This library for preventing unauthorized entry into your 48G series calculator is based on the CODELOCK Library written by Scotty Thompson for the 48S series. The library will also set the flags to the user's preferences upon a system restart.
By Todd Eckrich.	1997/08/21

Coder 1.3 (details)	2KB/1KB
Another simple cryptography program.
By Simone Rapisarda.	1998/06/08

Codes (details)	2KB/2KB
Another protection program.
By Francois Dang Ngoc (MaskDog).	1998/06/07

Cryptage (details)	1KB/1KB
Cryptography library.
By Tristan Derbanne.	1998/12/20

Crypto 1.0 (details)	51KB/20KB
This software is designed to encrypt and decrypt a text file with a 128-bit secret code. Written in assembly language and User RPL for the 48S/G and 49G/G+.
By Rémi Janelle.	2004/05/09

Cryptoge (details)	5KB/5KB
Several encryption programs.
Author unknown.	1998/06/08

Cryptor 2.1 (details)	1KB/1KB
Password protects any object.
By Alexandre Coulom.	1998/06/11

Cryptor48 (details)	3KB/1KB
Password protects any object. Very fast, written entirely in system RPL and assembly language.
By Pierre-Yvan Beaurang (HpRip) (H).	2000/08/06

Cycle-Crypt (details)	2KB/3KB
Cryptography program.
By AnarcHP.	1997/08/31

DigiPass 1.1 (details)	9KB/12KB
Another password-protection program. With digital sound.
By David Winter (HPManiac) (H).	1997/08/31

Encoder/Decoder 1.1 (details)	3KB/1KB
Very simple cryptography program.
By Ty (H).	1998/01/29

Encryption (details)	7KB/1KB
Encryption program; XOR stream cipher with 32-bit random IV, 12-digit numeric key.
By John H Meyers.	1998/07/02

Enigma 1.0 (details)	292KB/2KB
A faithful emulation of the German Enigma cipher machine. Does both three- and four-rotor variants. Written in System RPL.
By Kiyoshi Akima (H).	2006/05/14

Gateway 2.7.1 (details)	10KB/2KB
Startup password protection program with 4-digit password. For the S series prior to revision J. Also includes a beta version of 2.8.
By Erik Bryntse and Simone Rapisarda.	1997/12/12

HP Lock 3.1 (details)	7KB/2KB
Locks your HP 48 with password to prevent unauthorized access. While HP 48 is locked, it handles activated alarms, ON+XX key combinations, reset through a hole under the rubber foot and even 'Recover Memory?' + [YES] situations (if you manage to cause one) - as long as your calculator is locked and HPLOCK is in its memory, the calculator will remain locked. It also enables you to encrypt and store away HOME with sub directories before lending your HP 48, and has a user customizable display for password entry.
By Ludvik Krulik.	1997/08/21

HP Password (details)	7KB/1KB
Another password protection program. The only way to bypass this is a memory clear.
By Joel Gregorie.	1999/05/31

HP-Encrypt (details)	3KB/1KB
Encryption program which encrypts strings. Written in System RPL.
By Thomas Gasche.	1999/01/01

hpCRYPTER 1.0 (details)	3KB/2KB
Password-protection program.
By P0UP0V.	1997/08/21

Lock (details)	2KB/1KB
Small password protection program like HPLock.
By Samuel Mathieson.	1998/02/15

LockHP 2.0 (details)	2KB/3KB
Locks the HP 48 with a user-set password.
By Chad Rivoli.	1998/11/07

Login 2.3 (details)	2KB/1KB
Yet another password protection library.
By Alexandre Coulom.	1998/06/11

MD5 Encryption (details)	5KB/5KB
MD5 Encryption program. Fast: in System RPL and assembly language.
By Steve VanDevender.	2000/03/03

OffCode (details)	3KB/2KB
Requires a preset password to be entered for the calculator to warmstart.
Author unknown.	1998/10/25

PassSave (details)	26KB/5KB
Keeps track of all your passwords in an encrypted database. Requires Steve VanDevender's MD5 Encryption library. Includes source code.
By Norbert Göb.	2000/03/18

Protect (details)	5KB/1KB
Another "lock" program to password-protect the HP 48. Incompatible with Java.
By Paquot Christophe.	1997/08/21

S/KEY (details)	40KB/16KB
Generates a passphrase using MD4 or MD5.
By Steve VanDevender.	1998/11/04

Security (details)	1KB/1KB
Simple program to make it difficult for uninformed people to use your HP.
By Christopher Degen.	1998/05/20

SENU - Simple ENcoding Utility 0.1 (details)	7KB/1KB
Simple ENcoding Utility allows one to (de)cipher strings.
By Przemyslaw Holubowski.	2003/07/28

Sound Lock 1.2 (details)	9KB/12KB
This is a protection program for the 48G(X), with digital sound! Similar to DigiPass by HPManiac (uses his sound clips), but this one is stable and can't be broken even with the reset hole. A library with option for changing passwords.
By Silvo Srpcic (HPWebster).	2004/09/14

TooManySecrets (details)	336KB/1KB
Allows you to encrypt and decrypt any string using a numeric password.
By Giuseppe Belfiore.	2009/04/25

Watch-Dog 1.0 (details)	2KB/2KB
Yet another password-protection program, for the S series only.
By David Winter (HPManiac) (H).	1998/06/09

WipeMem 1.0 (details)	3KB/1KB
Security enhancement program. Wipes off any sensitive information from calculator memory which may be left there by some security application (MD5LIB for example).
By Robert Tiismus (H).	2000/12/07

Part of the HP Calculator Archive,
Copyright 1997-2011 Eric Rechlin.