Cryptanalysis of the CFB mode of the DES with a reduced number of rounds
CRYPTO '93 Proceedings of the 13th annual international cryptology conference on Advances in cryptology
A New Class of Stream Ciphers Combining LFSR and FCSR Architectures
INDOCRYPT '02 Proceedings of the Third International Conference on Cryptology: Progress in Cryptology
Optimized Self-Synchronizing Mode of Operation
FSE '01 Revised Papers from the 8th International Workshop on Fast Software Encryption
New approaches to the design of self-synchronizing stream ciphers
EUROCRYPT'91 Proceedings of the 10th annual international conference on Theory and application of cryptographic techniques
A near-practical attack against b mode of HBB
ASIACRYPT'05 Proceedings of the 11th international conference on Theory and Application of Cryptology and Information Security
Two attacks against the HBB stream cipher
FSE'05 Proceedings of the 12th international conference on Fast Software Encryption
Efficient collision search attacks on SHA-0
CRYPTO'05 Proceedings of the 25th annual international conference on Advances in Cryptology
Finding collisions in the full SHA-1
CRYPTO'05 Proceedings of the 25th annual international conference on Advances in Cryptology
How to break MD5 and other hash functions
EUROCRYPT'05 Proceedings of the 24th annual international conference on Theory and Applications of Cryptographic Techniques
Chosen ciphertext attack on a new class of self-synchronizing stream ciphers
INDOCRYPT'04 Proceedings of the 5th international conference on Cryptology in India
The Self-synchronizing Stream Cipher Moustique
New Stream Cipher Designs
Correlated keystreams in MOUSTIQUE
AFRICACRYPT'08 Proceedings of the Cryptology in Africa 1st international conference on Progress in cryptology
Towards a spectral approach for the design of self-synchronizing stream ciphers
Cryptography and Communications
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Self-Synchronizing Stream Ciphers (SSSC) are a particular class of symmetric encryption algorithms, such that the resynchronization is automatic, in case of error during the transmission of the ciphertext. In this paper, we extend the scope of chosen-ciphertext attacks against SSSC. Previous work in this area include the cryptanalysis of dedicated constructions, like KNOT, HBB or SSS. We go further to break the last standing dedicated design of SSSC, i.e. the ECRYPT proposal MOSQUITO. Our attack costs about 270 computation steps, while a 96-bit security level was expected. It also applies to ΓΥ (an ancestor of MOSQUITO) therefore the only secure remaining SSSC are block-cipher-based constructions.