本文介绍了失落的旧密钥库，需要签订新的密钥库中的应用的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
I have lost the old keystore for Android app published on Market. I don't want to republish it with different package.
- Can I get old certificate through signed original old apk?
- Can I signed the apk with multiple keystore?
解决方案
No, public-private key security mechanism are setup specifically to avoid being able to reconstruct the certificate.
If you've lost your keystore then you're basically stuck.
Always backup your keystore and store it in a secure place (or places).
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