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从BIOS控制计算机安全
- 纵观市场上的安全产品,从网络防火墙到各种网络加密、个人数字签证以及早期硬盘锁,均未能对个人计算机本身进行实质性的保护。这些安全机制大都基于这样一种原理:利用一个软件,输入一个特定的密码,经过验证后即可获得合法身份,从而实现各种操作,如购物、收发公文、浏览甚至修改机密数据。众所周知,这种基于纯密码的机制是很脆弱的,所以,许多关键行业和部门都采用了软、硬结合的方式,如设立各种Smart卡认证机制。在银行工作的职工,每人都有一张代表自己电子身份的IC卡,每天上班,必须先刷卡才能进入银行的业务系统。这种
bank
- 银行家算法,操作系统的安全状态和安全序列,死锁和避免死锁的银行家算法-Banker' s algorithm, the operating system' s security status and security sequence, deadlock and the bankers algorithm avoid deadlock
bank
- 银行家算法是一种最有代表性的避免死锁的算法。要解释银行家算法,必须先解释操作系统安全状态和不安全状态。该程序实现有效描述。-Banker' s algorithm is one of the most representative of the deadlock avoidance algorithms. To explain the banker' s algorithm, we must first explain the operating system security st
Bank
- 模拟银行家算法,实现自动分配资源及遍历输出所以安全序列-Simulation of the banker' s algorithm to achieve automatic allocation of resources and traverse the output so the security sequence
EIP经典案例ESB实践之Mule实现
- EIP经典案例Load Broker————Mule ESB实践(When shopping for a loan, a customer usually calls several banks to find the deal with the best possible interest rate. Each bank asks the customer for his or her social security number, the amount of the loan, and th
Bank
- 1.根据所需进程数量和资源数目进行动态开辟内存 2.检查用户输入是否正确 3.进行安全性检测 4.使用银行家算法为进程分配资源(1. dynamically open up memory according to the number of required processes and the number of resources 2. check whether the user is correct or not 3. security detection 4. use the