[Resource Topic] 2001/043: Cryptanalysis of the Vesta-2M Stream Cipher

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Cryptanalysis of the Vesta-2M Stream Cipher

Authors: Marina Pudovkina


In this paper the security of the stream cipher Vesta-2M is investigated. Cryptanalytic algorithm is developed for a known plaintext attack where only a small segment of plaintext is assumed to be known. The complexity the attack is estimated the time of searching through the square root of all possible initial states.

ePrint: https://eprint.iacr.org/2001/043

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