一个请求也可能会因为某些业务原因失败，如津贴用光了、签名丢失等等。
A request may also fail for some business reasons, e.g. the allowance is used up, a signature is missing, etc.
该签名是消息体的一种表示；如果消息体发生改变，则签名验证就将失败。
The signature is a representation of the message body; if the body has been changed, the signature verification will fail.
生成签名后，对XFDL文档的任何修改都将造成签名验证失败。
After the signature is generated, any changes to the XFDL document can make a signature fail to verify.
图像签名验失败！
该文提出了一种新的数字签名方案—失败终止记名签名方案，该方案具有失败终止数字签名与记名数字签名方案的优点。
In this paper we propose a kind of new signature scheme called fail-stop nominative signature scheme that is the combination of fail-stop and nominative signature.
失败-停止签名是一类不依赖于攻击者计算能力假设的数字签名技术，即使攻击者拥有无限的计算能力，签名者也可以证明一个签名是伪造的。
Fail-stop signature schemes provide security even if a forger possesses unlimited computation power by enabling the sender to provide a proof on forgery if it occurs.
失败-停止签名是一类不依赖于攻击者计算能力假设的数字签名技术，即使攻击者拥有无限的计算能力，签名者也可以证明一个签名是伪造的。
To prevent a forger with unlimited computational power from forging a signature and protect the signers benefit, a new and efficient fail-stop signature scheme was proposed.
个人签名胜利无需解释，失败不容解释。
个人签名胜利无需解释，失败不容解释。
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