---------------Ultima IV---------------
A 4am crack                  2017-12-19
---------------------------------------

Name: Ultima IV
Genre: RPG
Year: 1985
Credits: Lord British
Publisher: Origin Systems
Media: 2 double-sided 5.25-inch disks
OS: Protected.DOS

This disk was automatically cracked by
Passport. Here is the transcript for
side A:

                 --v--

READING FROM S6,D1
T00,S00 FOUND DOS 3.3 BOOTLOADER
T00,S01 FOUND ENCRYPTED RWTS, KEY=$D6
USING DISK'S OWN RWTS
WRITING TO S5,D2
T01,S02 ERASING SERIAL NUMBER 000876
T01,S02,$B0: B5 -> AD
T01,S02,$B7: D5 -> 9B
T00,S0B ERASING SERIAL NUMBER 000876
T00 DECRYPTING RWTS BEFORE WRITING
T00,S01,$07: 99 -> 2C
T00,S01,$93: 4C00B8 -> ACE5B7
T00,S05,$15: A52F -> A900
CRACK COMPLETE.

                 --^--

More information and source code is
available at
https://archive.org/details/Passport4am

Sides B, C, and D are unprotected.

Quod erat liberandum.

                   ~

This crack was demonstrated live at
Kansasfest 2017.

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A 4am crack                    No. 1591
------------------EOF------------------