本资料主要实现了文字图像的加解密，主要应用的算法有五种，分别是DES，AES，RSA，ECC，MD5，其中椭圆离散曲线加密算法较难。-This information is mainly to achieve the text image encryption and decryption, mainly used the algorithm has five, respectively is the DES, AES, RSA, ECC, MD5, which discrete ellipti