查看会员资料
用 户 名：geeta*****
发送消息- Email：用户隐藏
- Icq/MSN：
- 电话号码：
- Homepage：
- 会员简介：
最新会员发布资源
cmac
- Additive ciphers are elumnerable to cipher text only attacks using exhaustive key searches (brute force attacks). The key domain of the additive cipher is very small,they are only 26 keys. However only 26 combinations.We have to search that is way at