Anonymoususer852: Added note about redshirt2.

2025-09-23T03:37:25Z

Added note about redshirt2.

Anonymoususer852: Created page with "{{FormatInfo |formattype=electronic |subcat=Encryption |magic=52 45 44 53 48 49 52 54 (REDSHIRT)
4F 4E 45 54 49 4D 45 52 45 44 53 48 49 52 54 (ONETIMEREDSHIRT) |released=..."

2025-09-22T17:22:21Z

Created page with "{{FormatInfo |formattype=electronic |subcat=Encryption |magic=52 45 44 53 48 49 52 54 (REDSHIRT)<br />4F 4E 45 54 49 4D 45 52 45 44 53 48 49 52 54 (ONETIMEREDSHIRT) |released=..."

New page

{{FormatInfo
|formattype=electronic
|subcat=Encryption
|magic=52 45 44 53 48 49 52 54 (REDSHIRT)<br />4F 4E 45 54 49 4D 45 52 45 44 53 48 49 52 54 (ONETIMEREDSHIRT)
|released=2001
}}
'''Redshirt''' was used in the [[wikipedia:Uplink (video game)|Uplink (video game)]]<ref>[https://forums.introversion.co.uk/viewtopic.php?f=44&t=32354 just want to asking about .dat in uplink - Introversion.co.uk forum]</ref> to bring challenges towards players who are curious in nature. The featured game itself is about computer hacking, so the pseudo encryption was used to encrypt save games for instance to prevent players cheating the game<ref>[https://forums.introversion.co.uk/viewtopic.php?p=416942#p416942 fatal crash on start up - Introversion.co.uk forum]</ref>, or by encrypting portions of game assets to cater for easter eggs, like the game bible series that were distributed on separate discs<ref>[https://uplinkfan.blogspot.com/2011/10/getting-book-2-of-uplink-game-bible.html Getting Book 2 of the Uplink Game Bible - UplinkFan on blogspot.com]</ref> or shared on peer-to-peer file sharing software like Kazaa.<ref>[https://uplinkfan.blogspot.com/2011/10/getting-book-4-of-uplink-game-bible.html Getting Book 4 of the Uplink Game Bible - UplinkFan on blogspot.com]</ref>

Earlier versions of Redshirt uses simple XOR encryption scheme<ref>[https://crypto.stackexchange.com/a/1557 How can I break REDSHIRT / REDSHIRT2 encryption? - Stack Exchange]</ref> Latter revisions incorporated features like one-time-pad (OTP) encryption<ref>[https://uplinkfan.blogspot.com/2011/10/getting-book-2-of-uplink-game-bible.html Getting Book 2 of the Uplink Game Bible - UplinkFan on blogspot.com]</ref>.

== Identification ==
'''Redshirt''' typically begins with HEX {{magic|52 45 44 53 48 49 52 54}} which corresponds to ASCII string "<code>REDSHIRT</code>". Redshirt with one-time-pad (OTP) encryption begins with HEX {{magic|4F 4E 45 54 49 4D 45 52 45 44 53 48 49 52 54}} which corresponds to ASCII string "<code> ONETIMEREDSHIRT</code>".

== Software ==
=== Windows ===
* https://web.archive.org/web/20040219012231/http://www.stewsburntmonkey.com/redshirt.exe
* Uplink Developer CD has these under tools folder.

=== Linux/Unix ===
* http://www.mario-konrad.ch/blog/software/redshirt/index.html

=== Macintosh ===
* http://www.cytheraguides.com/archives/ambrosia_addons/uplink/ - the file in question is called "RedshirtX.sit"

=== Non-OS specific ===
==== Python ====
* [https://crypto.stackexchange.com/a/1557 How can I break REDSHIRT / REDSHIRT2 encryption? - Stack Exchange]

==== Rust ====
* https://lib.rs/crates/redshirt - upstream repository: https://github.com/FaultyRAM/redshirt-rs

== Sample files ==
* [https://discmaster.textfiles.com/view/17646/Ambrosia%20Software%20CD-ROM%20(Ambrosia%20Software,%20Inc.)(2002).bin/pc/Games/Adventure/Uplink/Uplink%201.3.3/Data/data.dat data.dat - Uplink 1.3.3 - Ambrosia Software CD-ROM (Ambrosia Software, Inc.)(2002).bin - Discmaster.textfiles.com]
* [https://discmaster.textfiles.com/view/17646/Ambrosia%20Software%20CD-ROM%20(Ambrosia%20Software,%20Inc.)(2002).bin/pc/Games/Adventure/Uplink/Uplink%201.3.3/Data/world.dat world.dat - Uplink 1.3.3 - Ambrosia Software CD-ROM (Ambrosia Software, Inc.)(2002).bin - Discmaster.textfiles.com]

== References ==
<references/>

[[Category:Game data files]]
[[Category:Introversion Software]]
[[Category:Uplink (Game)]]

@@ Line 7: / Line 7: @@
 '''Redshirt''' was used in the [[wikipedia:Uplink (video game)|Uplink (video game)]]<ref>[https://forums.introversion.co.uk/viewtopic.php?f=44&t=32354 just want to asking about .dat in uplink - Introversion.co.uk forum]</ref> to bring challenges towards players who are curious in nature. The featured game itself is about computer hacking, so the pseudo encryption was used to encrypt save games for instance to prevent players cheating the game<ref>[https://forums.introversion.co.uk/viewtopic.php?p=416942#p416942 fatal crash on start up - Introversion.co.uk forum]</ref>, or by encrypting portions of game assets to cater for easter eggs, like the game bible series that were distributed on separate discs<ref>[https://uplinkfan.blogspot.com/2011/10/getting-book-2-of-uplink-game-bible.html Getting Book 2 of the Uplink Game Bible - UplinkFan on blogspot.com]</ref> or shared on peer-to-peer file sharing software like Kazaa.<ref>[https://uplinkfan.blogspot.com/2011/10/getting-book-4-of-uplink-game-bible.html Getting Book 4 of the Uplink Game Bible - UplinkFan on blogspot.com]</ref>
-Earlier versions of Redshirt uses simple XOR encryption scheme<ref>[https://crypto.stackexchange.com/a/1557 How can I break REDSHIRT / REDSHIRT2 encryption? - Stack Exchange]</ref> Latter revisions incorporated features like one-time-pad (OTP) encryption<ref>[https://uplinkfan.blogspot.com/2011/10/getting-book-2-of-uplink-game-bible.html Getting Book 2 of the Uplink Game Bible - UplinkFan on blogspot.com]</ref>.
+Earlier versions of Redshirt uses simple XOR encryption scheme<ref>[https://crypto.stackexchange.com/a/1557 How can I break REDSHIRT / REDSHIRT2 encryption? - Stack Exchange]</ref> Latter revisions incorporated features like one-time-pad (OTP) encryption<ref>[https://uplinkfan.blogspot.com/2011/10/getting-book-2-of-uplink-game-bible.html Getting Book 2 of the Uplink Game Bible - UplinkFan on blogspot.com]</ref>. Certain revisions of redshirt2 used a different technique.<ref>[https://forums.introversion.co.uk/viewtopic.php?p=424012&sid=acd88a8fd17623597924e191fe40d933#p424012 Redshirt2 and Hex Editor - Introversion.co.uk forum]</ref>
 == Identification ==

Redshirt - Revision history

Anonymoususer852: Added note about redshirt2.

Anonymoususer852: Created page with "{{FormatInfo |formattype=electronic |subcat=Encryption |magic=52 45 44 53 48 49 52 54 (REDSHIRT)4F 4E 45 54 49 4D 45 52 45 44 53 48 49 52 54 (ONETIMEREDSHIRT) |released=..."

Anonymoususer852: Created page with "{{FormatInfo |formattype=electronic |subcat=Encryption |magic=52 45 44 53 48 49 52 54 (REDSHIRT)
4F 4E 45 54 49 4D 45 52 45 44 53 48 49 52 54 (ONETIMEREDSHIRT) |released=..."