CryptLib库的官方手册(pdf)。CryptLib是一个加密安全工具包,利用此加密库接口,可以很容易地为各种应用系统提供安全服务,如加/解密、数字签名、认证等。该文件只是一个官方手册(pdf)文件，请大家看好了再下载。-CryptLib library' s official manual (pdf). CryptLib is an encryption security toolkit, the use of this encryption library interface, you can easily provide security for a variety of applications services such as encryption/decryption, digital signature, authentication and so on. The document is an official handbook (pdf) files, please optimistic about re-download.