在给软件进行代码签名时，如何使用多张证书？

If you are web developer and going to lunch your any app or software in the market for users then how will users trust your software or app that it is not compromised by third party? So for that you need to sign the software code through code signing certificate. If you are still confuse regarding how it works and what benefits it gives then read more at here https://www.clickssl.net/blog/code-signing-security-for-mobile-application-developer

https://www.trustasia.com/solutions/signtools.htm
这个符合你的要求，一直在用，有问题也可以发出来讨论。

@namebus 看起来很好用， wosign 那个一搞就闪退，还不清楚能不能多证书。。

http://www.onlinedown.net/soft/113034.htm
这个是老牌的了，最早是在华军网站看到的，后面才知道他们的网站。