With the cipher receiving considerable attention from cryptanalysts world-wide, a picture of the security oered by RC5 has been quick to develop.
Acceptance of the cipher is growing, and RC5 has been discussed for inclusion
in various standards eorts and has been published by the IETF in
RFC2040 [1]. Three years on, it seems that the RC5 block cipher oers a
computationally inexpensive way of providing secure encryption