加密（10） 功能：（1）输入任意一段明文M，以及密钥K （2）根据以下公式将其转换为密文C。 Ci = mi + K ,其中i = 0,1,……n-1 , K 为密钥； （3）具有输入输出界面。 ,Encryption (10) functions: (1) the importation of any section of an express M, and the key K (2) in accordance with the following for

RSA算法,实现完整。将两个大素数相乘十分容易，但那时想要对其乘积进行因式分解却极其困难，因此可以将乘积公开作为加密密钥。-RSA algorithm based on a very simple fact: the number multiplies two large prime number is very easy, but then to factorization of its product is extremely difficult, so it can be disclose

A new stream cipher, Grain-128, is proposed. The design is very small in hardware and it targets environments with very limited resources in gate count, power consumption, and chip area. Grain-128 supports key size of 128 bits and IV size of 96 bits.