【摘要】 详述了基于CryptoAPI的一个安全控制类在VB环境下的设计与实现。使用该类 可方便地在VB应用程序中实现对称密钥、公开密钥和数字签名算法，并且不受中英文编码方 式的限制。更多还原

【Abstract】 Based on CryptoAPI, this paper designs and implements a security cont rol class in VB.This class can be flexibly used in VB to implement such cryptogr aphy algorithms as Symmetric Key, Public Key and Digital Signature.Furthermor e,the protected data involves as well Chinese characters as English ones.更多还原