About Cryptanalysis of One Fully Homomorphic Cryptosystem Based on Factorization Problem
We present a known plaintext attack (KPA) on a recently proposed fully homomorphic cryptosystem baseball scoreboards for sale (FHC), based on the problem of big integers factoring.We show that the considered FHC is insecure against KPA even if only one pair (plaintext, ciphertext) was intercepted by an adversary.The complexity of the proposed KPA d