( < simplified DES, "lihtsustatud DES")

olemus
šifri DES õppeotstarbeline variant
= educational variant of the DES cipher

ülevaateid
https://doc.sagemath.org/html/en/reference/cryptography/sage/crypto/block_cipher/sdes.html

turvalisus
https://eprint.iacr.org/2002/045.pdf