Sökning: "cryptology"

Visar resultat 1 - 5 av 14 uppsatser innehållade ordet cryptology.

  1. 1. Models, Keys, and Cryptanalysis: Evaluating historical statistical language models in cryptanalysis of homophonic substitution ciphers

    Kandidat-uppsats, Göteborgs universitet/Institutionen för filosofi, lingvistik och vetenskapsteori

    Författare :Filip Fornmark; [2023-01-19]
    Nyckelord :statistical language models; cryptanalysis; historical cryptology; homophonic substitution;

    Sammanfattning : This thesis presents an empirical study connected to historical cryptography and especially within the framework of the research project DECRYPT. One of the research questions in the DECRYPT project relates to the use of language models for automatic cryptanalysis. LÄS MER

  3. 2. Evaluating and Fine-Tuning a Few-Shot Model for Transcription of Historical Ciphers

    Master-uppsats, Uppsala universitet/Institutionen för lingvistik och filologi

    Författare :Ingrid Eliasson; [2023]
    Nyckelord :historical ciphers; few-shot learning; automatic transcription;

    Sammanfattning : Thousands of historical ciphers, encrypted manuscripts, are stored in archives across Europe. Historical cryptology is the research field concerned with studying these manuscripts - combining the interest of humanistic fields with methods of cryptography and computational linguistics. LÄS MER

  4. 3. Privacy Preserving Biometric Multi-factor Authentication

    Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

    Författare :Emil Gedenryd; [2023]
    Nyckelord :Fully Homomorphic Encryption; Machine Learning; Biometric Authentication; Technology and Engineering;

    Sammanfattning : This thesis investigates the viability of using Fully Homomorphic Encryption and Machine Learning to construct a privacy-preserving biometric multi-factor authentication system. The system is based on the architecture described as ”Model K - Store distributed, compare distributed” in ISO/IEC 24745:2022 and uses the Torus Fully Homomorphic Encryption scheme proposed by Chillotti et al. LÄS MER

  5. 4. The Influence of Language Models on Decryption of German Historical Ciphers

    Master-uppsats, Uppsala universitet/Institutionen för lingvistik och filologi

    Författare :Justyna Sikora; [2022]
    Nyckelord :historical cryptology; historical language models; historical ciphers;

    Sammanfattning : This thesis assesses the influence of language models on decryption of historical German ciphers. Previous research on language identification and cleartext detection indicates that it is beneficial to use historical language models (LM) while dealing with historical ciphers as they can outperform models trained on present-day data. LÄS MER

  7. 5. Implementing two Threshold Private Set Intersection Protocols based on Homomorphic Encryption

    Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

    Författare :Anton Jeppsson; [2021]
    Nyckelord :Private Set Intersection; Homomorphic Encryption; Cryptology; Technology and Engineering;

    Sammanfattning : Private set intersection is a technique for finding the intersection of (two) parties' sets without disclosing anything else, and it finds it use in e.g. contact discovery, finding friends who are already on a social platform. LÄS MER