Essays about: "Oriol Closa"

Found 2 essays containing the words Oriol Closa.

  1. 1. LSTM-attack on polyalphabetic cyphers with known plaintext : Case study on the Hagelin C-38 and Siemens and Halske T52

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Oriol Closa; [2023]
    Keywords : ;

    Abstract : Polyalphabetic cyphers have been used for centuries and well into the 1970s to transmit all kinds of messages. Since then, computers and modern cryptography have taken over making bruteforce attacks unfeasible when designed properly. READ MORE

  2. 2. Decyphering the Geheimschreiber, a Machine Learning approach : Recreating and breaking the Siemens and Halske T52 used during World War II to secure communications in Sweden

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Oriol Closa Márquez; [2019]
    Keywords : ;

    Abstract : Historically, rotor cyphers have been used in order to secure written communications. Mechanical machines provided continuous streams of characters for encoding secret messages that were sent to the other part of the continent by means of telephone cables or radio. READ MORE