Abstract. Group signature is a major cryptographic tool allowing
anonymous access to a service. However, in practice, access to a service is usually granted for some periods of time, which implies tha
在Android开发中，当我们在使用第三方SDK时，经常会遇到“Signature Does Not Match”的错误。这个错误意味着应用程序的签名与SDK的期望签名不匹配，导致SDK无法正常工作。接下来，我们将详细介绍这个问题的原因，以及如何解决这个错误。
## 问题原因
在Android应用程序中，每个应用都有一个独特的数字签名，用来验证应用的身份和来源。当我们在应用中使用第三方SDK时
Group signature, introduced by Chaum and van Heyst [10], enables anonymous,
yet accountable, authentication to a service. In such a system, a so-called group
manager has the responsibility of a group
Abstract. Group signature is a major cryptographic tool allowing
anonymous access to a service. However, in practice, access to a service is usually granted for some periods of time, which implies tha
Group signature, introduced by Chaum and van Heyst [10], enables anonymous,
yet accountable, authentication to a service. In such a system, a so-called group
manager has the responsibility of a group
