There are subtle issues of cryptography, replay attacks, and various other forms of attack that are easily overlooked.
加密、重播攻击和其中各种形式的攻击中有各种细微问题容易被忽视。
A replay attack is where a valid message is intercepted and replayed back to the service.
重播攻击是这样一类攻击：它可以拦截有效的消息，然后再将该消息重播回服务。
As mentioned above, a replay attack by some malicious third party is the most convenient attack.
正如上文所提到的，来自某个恶意第三方的再现攻击是最容易遭受到的攻击。
This attack can be combined with Replay attack to bypass authentication, and with Single message XDoS to increase its impact.
这种攻击可以与应答攻击联合使用，以绕过身份验证，并且再加上单消息XDoS来增加其危害程度。
Replay attack — Re-sending a previously valid message for malicious effect, possibly where only parts of the message (such as the security token) are replayed.
应答攻击——为实现恶意的效果，重新发送一个以前曾经有效的消息，其中可能只是重放部分消息(如安全令牌)。
If Enterprise C re-sends the order to Enterprise B then Enterprise B will accept it as another order from Enterprise A (a replay attack by Enterprise C).
如果丙企业将该订单重复发送给乙企业，那么乙企业就会将其当作另一个来自甲企业的订单（来自丙企业的再现攻击）。
Replay attack prevention: Each issued U-Prove token also contains a token-specific public key that is known only to the Prover.
重放攻击（Replay attack）防护：每个发布的U-Prove令牌中还包含专门针对每个令牌的公钥，这只有验证方才知道。
If an attacker re-sends the request to the Amazon SQS service, the repetition of its signature identifies the request as a capture-replay attack, and Amazon Web Services blocks the it.
如果攻击者重新向AmazonSQS服务发送请求，则重复的签名表示该请求属于捕获重放攻击，AmazonWeb服务将会阻塞它。
In their scheme users can change their passwords freely and the remote system does not need the directory of passwords or verification tables, and replay attack can be avoided.
在他们的方案中，用户能随意更改口令，远程系统不需要存储用户的口令表或验证表，并能防止重放攻击。
By using authentication, this solution avoids the counterfeit attack and replay attack directed against the Mobile IP register process.
该方案通过对移动IP注册消息的认证，避免了针对注册过程的假冒攻击和重发攻击。
In the test, it can replay both attack traffic and background traffic, and work well with other software in the system.
在测试中，该系统能够准确回放我们产生的攻击流量与背景流量，在测试中同测试平台其他软件配合量良好。
Replay attack is a method which has lots of bad influences to network information security.
重播攻击是一种会对网络信息安全造成很大影响的攻击方法。
But it still has some security hidden troubles, for instance: replay attack, password guessing, inter-session chosen plaintext attacks.
但仍存在一些隐患，例如：重放攻击、密码猜测、会话中选择明文攻击等等。
This two-way identity authentication scheme effectively prevents imitate attack, replay attack and decimal fraction attack. And the security of authentication system is enhanced.
此方案能够进行双向的身份验证，有效地防止了冒充攻击、重放攻击和小数攻击，从而提高了认证系统的安全性。
The WEB service secure communication model can satisfy the basic requirements of secure communication, and performs replay attack resistance efficiently.
WEB服务安全通信模型能够满足安全通信的基本要求，并且能够较为高效地抵御重传攻击。
The two-way identity authentication is implemented and the security of the host and the users is assured, which can keep them from imitate attack, replay attack and small number attack.
由此实现了双向的身份验证，同时保证了服务器和用户的安全，可以有效的防止冒充攻击、重放攻击、小数攻击。
Experimental results show that, this protocol can effectively avoid the problem of clock synchronization when only use timestamp, and good anti-replay attack capacity.
实验结果表明，该协议能避免单纯采用时间戳所带来的时钟同步问题，具有较好的抗重放攻击能力。
Experimental results show that, this protocol can effectively avoid the problem of clock synchronization when only use timestamp, and good anti-replay attack capacity.
实验结果表明，该协议能避免单纯采用时间戳所带来的时钟同步问题，具有较好的抗重放攻击能力。
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