Bacteria numbers in water of coastal shellfish culture area around Qingdao were examined in April, August and October 1998 respectively. The results showed that
Chosen Ciphertext Attack(CCA)security on the standard model is widely accepted as the standard security notion for the public key cryptosystem.The existing CCA-
The weight hierarchy of a [n; kI q] linear code C over Fq is the sequence(d1,… dr,… dk), where dr is the smallest support weight of an r-dimensional subcode o