Cryptographic Security Analysis of T-310. - Nicolas T. Courtois; Klaus Schmeh; Jörg Drobick; Jacques Patarin; Maria-Bristena Oprisanu; Matteo Scarlata; Om Bhallamudi (IACR Cryptol. ePrint Arch., 2017)

Feistel ciphers in East Germany in the communist era. - Nicolas T. Courtois; Jörg Drobick; Klaus Schmeh (Cryptologia, 2018)