PERSON@1 and PERSON@2 , the primary designers of Kerberos version NUMBER@1 , published that version in the late NUMBER@2 , although they had targeted it primarily for ORGANIZATION@1 .

PERSON@1 and PERSON@2 , the primary designers of Kerberos version NUMBER@1 -LRB- which used the DES encryption algorithm with 56-bit keys -RRB- , published that version in NUMBER@3 , although they had targeted it primarily for ORGANIZATION@1 .
