RFPasswordGeneratoriOS 密码生成器

 RFPasswordGenerator是一款密码产生器。

用法:

1. 把RFPasswordGenerator的类拖到你的项目中；
2. #import "RFPasswordGenerator.h"
3. 选用三个安全选项：

NSString *myHighSecurityPassword = [RFPasswordGenerator generateHighSecurityPassword];

NSString *myMediumSecurityPassword = [RFPasswordGenerator generateMediumSecurityPassword];

NSString *myLowSecurityPassword = [RFPasswordGenerator generateLowSecurityPassword]