目前大部分的群签名方案中，群公钥的长度和群成员数至少是线性关系，因此在群成员很多时，这类群签名方案很难适用。
In most group signatures, the length of group public key has linear relation with the number of group member at least, so it is hard to adopt such schemes when the number of group member is large.
这里提出了一种一次签名方案，它是一种对于签名生成和签名验证都极为高效的方案，而且签名长度很短，特别适用于组播通信的数据源认证。
We propose a one-time signature scheme with very efficient signing and verifying, and short signatures. Our scheme is well-suited for multicast source authentication.
在以往提出的环签名方案中，签名长度与环成员个数成正比，这是环签名的一个公开问题。
Most proposed ring signature schemes have the problem that the size of ring signatures depends linearly on the group size, that is an open problem.
为具有指定字符数组和签名长度的签名定义标记。
Defines a token for the signature that has the specified character array and signature length.
方案具有可验证性．且签名的长度不随签名者的人数线性增长，并能抵抗各种内部合谋攻击，具有更高的实用性和安全性。
It is a verifiable scheme, and the size of the scheme doesn"t increase with signer number. The scheme could resist all kinds of collusion, which makes it more practicable and safer."
方案具有可验证性．且签名的长度不随签名者的人数线性增长，并能抵抗各种内部合谋攻击，具有更高的实用性和安全性。
It is a verifiable scheme, and the size of the scheme doesn"t increase with signer number. The scheme could resist all kinds of collusion, which makes it more practicable and safer."
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