June 26, 2024
            
                
                How to sign an F-Droid repository with a hardware security module (HSM) like the YubiHSM.
             
        
        
            January 14, 2023
            
                
                Some thoughts on the Threema analysis carried out by a research team at ETH Zürich.
             
        
        
            February 22, 2019
            
                
                Erläuterungen und Erklärungen zur aktuellen Kritik an der Qualität des Schweizer E-Voting-Programmcodes.
             
        
        
            November 09, 2018
            
                
                A reply to a statement by the canton of St. Gallen in the context of Swiss E-Voting test runs (German).
             
        
        
            January 08, 2014
            
                
                How to improve Firefox SSL/TLS security by enabling TLS 1.2 and disabling insecure ciphersuites.