E4M

E4MOriginal author(s)| Paul Le Roux

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Initial release| 1997; 29 years ago (1997)
Final release|

2.02a / 2000; 26 years ago (2000)[1][2]

Operating system| Windows 9x, Windows NT
Size| 465 kB
Type| Transparent disk encryption
License| Free software[3]

Encryption for the Masses (E4M) is a free disk encryption software for Windows NT and Windows 9x families of operating systems. E4M is discontinued; it is no longer maintained. Its author, former criminal cartel boss Paul Le Roux, joined Shaun Hollingworth (the author of the Scramdisk) to produce the commercial encryption product DriveCrypt for the security company SecurStar.

The popular source-available freeware program TrueCrypt is based on E4M's source code.[4] However, TrueCrypt uses a different container format than E4M, which makes it impossible to use one of these programs to access an encrypted volume created by the other.

## Contents

* 1 Allegation of stolen source code
* 2 See also
* 3 References
* 4 External links

## Allegation of stolen source code

Shortly after TrueCrypt version 1.0 was released in February 2004, the TrueCrypt Team reported receiving emails from Wilfried Hafner, manager of SecurStar, claiming that Paul Le Roux had stolen the source code of E4M from SecurStar as an employee. According to the TrueCrypt Team, the emails stated that Le Roux illegally distributed E4M, and authored an illegal license permitting anyone to base derivative work on E4M and distribute it freely, which Hafner alleges Le Roux did not have any right to do, claiming that all versions of E4M always belonged only to SecurStar. For a time, this led the TrueCrypt Team to stop developing and distributing TrueCrypt.[5]

## See also

* On-the-fly encryption (OTFE)
* Disk encryption
* Disk encryption software
* Comparison of disk encryption software

## References

1. ↑ "Download E4M". E4M Encryption Software Unofficial Site. http://members.multimania.co.uk/e4m.
2. ↑ Dean, Sarah (2001-07-29). "On-The-Fly Encryption: A Comparison". Sarah Dean. http://www.sdean12.org/Comparison_OTFCrypto.htm.
3. ↑ "License agreement for Encryption for the Masses". Paul Le Roux. 2000. http://cyberside.planet.ee/truecrypt/License-E4M.TXT.
4. ↑ "truecrypt-archive/doc/License-v3.1.txt at master · DrWhax/truecrypt-archive". 3 July 2011. https://github.com/DrWhax/truecrypt-archive/blob/master/doc/License-v3.1.txt.
5. ↑ TrueCrypt Team (2004-02-03). "P. Le Roux (author of E4M) accused by W.Hafner (SecurStar)". Newsgroup: alt.security.scramdisk. Usenet: a7b8b26d77f67aa7c5cc3f55b84c3975@news.teranews.com. Retrieved 2014-05-28.

* Geldenhuys, Kotie (October 2019). "Crime series - from coder to kingpin - a complicated web of activities" (in en). Servamus Community-based Safety and Security Magazine 112 (10): 42–47. https://hdl.handle.net/10520/EJC-189c08d49d. Retrieved 17 May 2025. (accessible from the Sabinet database via the Wikipedia Library)

* Bakic, M. (2019-11-01). "Crime series - from coder to kingpin - a complicated web of criminal activities - part 2" (in en). Servamus Community-based Safety and Security MagazineVol. 112, No. 11 112 (11): 42–47. https://hdl.handle.net/10520/EJC-192cffac75. Retrieved 17 May 2025. (accessible from the Sabinet database via the Wikipedia Library)

* Geldenhuys, Kotie (5 December 2019). "Crime Series - from coder to kingpin : a complicated web of criminal activities: Part 3 (final)". Servamus Community-based Safety and Security Magazine 112 (12): 42–49. https://hdl.handle.net/10520/EJC-19cc07a173. Retrieved 17 May 2025. (accessible from the Sabinet database via the Wikipedia Library)

## External links

* Archived version of official website

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