piatok 11. októbra 2024

Crypto chip / The Codestar module add-on board

›
The CodeStar module was designed for encryption and decryption of information for personal computers. The board was inserted into a free co...
streda 11. októbra 2023

Slovak cryptodevice - a fax with encoder - model HC-4400-09

›
 A fax with an encoder , model HC-4400-09 from the Swiss Company Crypto AG , was placed at Ministry of Foreign Affairs of the Slovak Republ...
streda 22. februára 2023

Spanish Embassy's cipher machine break by Czechoslovakian Secret Service and KGB

›
How the Czechoslovak secret service ŠtB breaks the encryption machine Gretag TC 803 at the Spanish embassy in Prague: https://www.info.cz/z...
štvrtok 15. októbra 2020

Military Ciphers according to cpt. Frybort

›
Article about military ciphers by cpt. Bedřich Frýbort, in "Vojenský svět", 1937, 11 and 12, vol. V. I. part, pp. 438-9, II.part: ...
streda 14. októbra 2020

Miracle over miracles

›
Title of the article: " Miracle over Miracles ", which was published on 15.04.1939, writes about kryptograph by certain danish in...
utorok 13. októbra 2020

Časový tunel do minulosti - kryptografia a inkvizícia

›
 Program Čs. rozhlasu v Bratislave na 5.12.1932: Obidve témy, ktoré ma obzvlášť zaujímajú: kryptografie, prednáška prof. Evžena Římana , kto...
pondelok 5. októbra 2020

Challenge Grille cipher / Flamm's Kryptograph

›
Flamm's Kryptograph , patented in USA, 1875. A newspaper article published in the past covers an encrypted message written by the anon...