Previous Updates (refresh pages
for newest version)
If your last visit has been a while
ago, this page lists all previous updates to catch up
reading.
04-02-2023 KL-7 Tech &
History Added ducument
transition Signal Security Agency to Army Security
Agency.
22-01-2023 Operation Tinker
Bell Maggie Koo is the 21st to
complete Operation Tinker Bell.
18-01-2023 KL-7 Tech & History
development KL-7 and its rotors rearranged
chronologically
13-01-2023 Operation
Tinker Bell Mr. Reis is the
20th person to complete Operation Tinker Bell.
10-01-2023 KL-7
Tech & History doc request
HL-1 tape readers and KLX-7 adaptors by FRG.
08-01-2023 Crypto Box Challenge
10th from 82 participants completed the Crypto Box
Challenge.
04-01-2023 KL-7 Tech & History
added info and document on development of KL-7 rotors.
02-01-2023 KL-7 Tech & History
more docs an info on security and development US/UK
crypto.
29-12-2022 KL-7 Tech &
History Added document security
assessment US/UK cryptographic equipment.
24-12-2022 KL-7 Tech & History
Added info and docs CCM, and BRUTUS vs ADONIS on
AFSAM-47.
21-12-2022 SIGINT Chatter
Cyber Security
Videos from Gary Ruddell's cyber website
09-12-2022 KL-7
Tech & History Added doc
NSA COMSEC Material Program AFSAM-7 & 47B
07-12-2022 KL-7
Tech & History Added
documents procurement AFSAM-7 by FBI.
05-12-2022 KL-7 Tech & History
Added audio samples of KL-7 startup, rotors and
enciphering.
30-11-2022 Hagelin Crypto
AG Added different ways crypto
machines were weakened.
17-11-2022 One-time
Pad Added menu to the various
sections of the OTP page.
16-11-2022 Enigma
at School Olin College website
migrated, links interim by Internet Archive.
06-11-2022 SIGINT Chatter The Royal Navy
Communications Branch Museum/Library
30-10-2022 KL-7 Tech &
History Added links description
and use KL-7 by British Royal Navy.
14-10-2022 KL-7
Tech & History Added
motor-generator cross section and generator details.
14-10-2022 KL-7 Tech & History
Drawing and text motor drive and timing unit enhanced.
06-10-2022 KL-7
Tech & History Details
motor-generator versions and circuit speed control.
24-09-2022 KL-7 Tech &
History Added diagram HL-1 tape
reader and KLX-7 Keyboard adapter.
24-09-2022 KL-7 Tech & History
Explained printing and sequence of characters on print
drum.
10-09-2022 KL-7 Tech & History
AFSAM-7 (KL-7) in White House Signals Det and Air Force
One.
09-09-2022 KL-7 Tech & History
Patent conflict Small vs Hagelin and related files in
docs section.
03-09-2022 KL-7 Tech & History
Patent issues and related files in documents section.
03-09-2022 KL-7
Tech & History Discussions
release AFSAM-7 with Friedman, Sinkov, Small et al.
02-08-2022 SIGINT Chatter
Joseph Helmich – The KL-7 for Cash Spy
Case.
02-08-2022 KL-7 Tech & History
FBI operation Hookshot & docs ASA analysis battle at
Ia Drang.
27-07-2022 SIGINT Chatter History of the TSEC/KL-7 Documented.
21-07-2022 KL-7
Tech & History NSA doc use
KL-7 by South Korea and Nationalist China.
21-07-2022 KL-7 Tech & History
Added ASA analysis use of KL-7 by South Vietnamese Army.
21-07-2022 KL-7 Tech & History
Added CIA/FBI history & more in CIA/FBI documents
section.
19-07-2022 KL-7
Tech & History Added CIA
report and FBI letters on AFSAM-7/KL-7.
19-07-2022 Technical Details Enigma Enhanced old wiring diagrams Enigma machine.
05-07-2022 KL-7
Tech & History Added NATO
document KL-7 key list restrictions France.
26-05-2022 KL-7 Tech &
History Expansion KL-7 in
service, graphics and spy case.
26-05-2022 KL-7 Tech & History
Crypto strength, compartmentalization vs "in
depth" analysis.
02-05-2022 SIGINT Chatter Podcast Nuggets Episode 9 with four amazing
interviews.
21-04-2022 Book Review The Third
Reich Is Listening: Inside German Codebreaking 1939-45.
10-04-2022 Cold War Signals Added
player controls to listen to audio samples.
31-03-2022 All pages Graphical improvements and rearrangements.
Refresh pages!
22-03-2022 About
this site Added readability
tips to enlarge pages and font settings.
15-03-2022 Elite
Box Challenge Announcing the
Elite Box Challenge will start on March 18.
10-03-2022 KL-7
Tech & History Added
several NATO documents related to the KL-7 crypto
machine.
17-02-2022 Cipher Machines and
Cryptology moved to new domain!
17-02-2022 The old website URL definitively offline
(preserved at Internet Archive).
17-02-2022 The now obsolete website addresses:
17-02-2022
"http://users.telenet.be/d.rijmenants"
17-02-2022 "http://users.telenet.be/d.rijmenants.index.htm"
17-02-2022 "http://users.telenet.be/d.rijmenants.index-nl.htm"
17-02-2022 Updates archive old website no longer
available.