The MITM attack becomes especially important when talking about proxy servers.
MITM攻击在使用代理服务器的情况中尤其重要。
The browser's same-origin policy does not prevent CSRF attacks because the attack requests are transmitted to the same origin in proxy for the intruding third-party site.
浏览器的同源策略无法阻止CSRF攻击，因为攻击请求被传输到第三方入侵站点的代理中相同的源。
This attack is only possible if the intruder site gets the mashup page to proxy the requests to the corporate mashup server for the intruder site.
这种攻击只在一种情况下可行：入侵者站点使mashup页面为其将请求代理到企业mashup服务器。
Besides having the basic properties of the proxy signature, the new scheme prevents proxy misuse, original signer's forgery and public key substitution attack.
此外，该方案不仅满足代理签名的基本性质，还避免了代理权滥用、原始签名人伪造和公钥替换攻击。
The move was seen by industry observers as an attack by proxy on Android, which powers touch-screen smart phones with many of the same features as Apple's popular iPhone.
行业观察人士认为，苹果此举其实是针对Android，配备这款操作系统的许多智能手机有很多功能与苹果广受欢迎的iPhone一样。
Based on the analysis of attack scheme, an improved proxy multi-signature scheme was proposed.
在全面分析攻击方案的基础上，构造了一种增强的代理多重签名方案。
However, their scheme is insecure by presenting a forgery attack, any receiver can impersonate the proxy signer to sign any message without holding the responsibility.
该文给出的一种攻击方案表明他们的方案是不安全的，任何代理签名的接收者都可以假冒代理人对任意的消息生成有效的签名。
It is shown here that S-L-H scheme is insecure against the public key substitution attack and an improved threshold proxy signature scheme is proposed.
这里指出s - L - H方案不能抵抗公钥替换攻击，并给出了一个改进的门限代理签名方案。
Security analysis results show that compared with L-L-C-Z threshold proxy signcryption protocol, the improved threshold proxy signcryption protocol can withstand the public key substitution attack.
安全分析结果表明，与L - L - C - Z门限代理签密协议相比，该改进门限代理签密协议能够承受接收方公钥替换攻击。
Through the analysis of two proxy blind signature schemes, we want to prove that this two proxy blind signature schemes can not resist forgery attack and both have linkability.
对两个代理盲签方案及其安全性进行分析，证明了这两个方案不具有不可伪造性和不可链接性。
This paper analyzes the security of a certificateless proxy signature scheme and shows that it is insecure against the public key replacement attack in certificateless cryptosystems.
对无证书代理签名方案进行安全性分析，指出该方案对于公钥替换攻击是不安全的，并给出具体的攻击方法。
The firewall is to adopt a new role-based mandatory access control, anti-attack and anti-virus proxy mechanism.
采用一种新型基于角色的强制访问控制，防攻击和防病毒功能的代理机制。
Through the cryptanalysis of a new threshold proxy signature scheme based on bilinear pairings, it is found that the scheme cant resist forgery attack and public-key substitute attack.
给出了对一个已有的高效无证书签名方案的替换公钥攻击，表明了在该方案中，攻击者可以通过替换签名者公钥伪造签名；进而针对该攻击提出了改进方案。
After analyzing a proxy blind signature scheme proposed by Huang et al., it was pointed out that the scheme was insecure against the original signer and signature receiver's forgery attack.
通过对黄辉等人提出的代理盲签名方案的分析，指出该方案不满足不可伪造性，原始签名者和签名接收者都可以伪造代理签名者的盲签名。
After analyzing a proxy blind signature scheme proposed by Huang et al., it was pointed out that the scheme was insecure against the original signer and signature receiver's forgery attack.
通过对黄辉等人提出的代理盲签名方案的分析，指出该方案不满足不可伪造性，原始签名者和签名接收者都可以伪造代理签名者的盲签名。
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