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Security proof of the canonical form of self-synchronizing stream ciphers
2016
Designs, Codes and Cryptography
This paper studies the security level expected by the canonical form of the Self-Synchronizing Stream Cipher (SSSC). A SSSC can be viewed as the combination of a shift register together with a filtering function. The maximum security of such a cipher is reached when the filtering function is random. However, in practice, Pseudo Random Functions (PRF) are used as filtering functions. In this case, it is shown that the security against chosen-ciphertext attacks (IND-CCA security) cannot be
doi:10.1007/s10623-016-0185-8
fatcat:4iau34e5pjamnpxaluphk763mu