jarsigner Questions

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We use HSM for APK signing and in order to support new "APK Signature Scheme v2" do we need to use apksigner going forward to support both Scheme 1 & 2? jarsigner - supports only "APK Signatur...
Colosseum asked 24/3, 2017 at 18:29

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I'm automating some things that involve the android keytool and jarsigner. The tool takes a keystore, the password for the keystore, the alias name, and the password for the alias / key, and I'm tr...
Rhumb asked 30/5, 2014 at 2:5

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Some time ago I wrote a program to sign jars in our build process. Which worked for a couple of months without any problems. Now the jarsigner outputs (without changing anything!): jarsigner: una...
Intensive asked 11/10, 2016 at 13:5

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I'm wanting to sign a jar using jarsigner, then verify it using a Java application which does not have the signed jar as part of it's classpath (i.e. just using a filesystem location of the jar) N...
Loganiaceous asked 3/9, 2009 at 15:32

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The case: I am maintaining a Java applet which uses the BouncyCastle libraries bcpkix-jdk15on-149.jar, and bcprov-jdk15on-149.jar. Problem is when the applet is run on a JRE version 7_u40 enabled ...
Happening asked 26/9, 2013 at 13:24

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I have very little programming knowledge.I am able to open jar signer through the command prompt then I get various jar signer options,which i do not know how to use them.Can anyone explain me what...
Cephalad asked 30/1, 2014 at 13:13

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Disclaimer: I know the basics of signing an APKs and I have a problem with only one of my projects and only when signing with Microsoft Windows as the OS. I am building my APK with Maven and sign ...
Inchmeal asked 5/1, 2012 at 7:22

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I'm trying to code sign a JAR file and am using JDK 1.7u1. We acquired a GoDaddy Code Signing certificate and I followed the instructions (Approach 1) here: http://help.godaddy.com/article/4780 Th...
Hippel asked 5/12, 2011 at 15:53

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I've been banging my head against this for a few days and am completely stumped. Here's the rundown: I've got an Eclipse plugin project using Tycho to build via Maven 3 Within Maven I've got the ...
Basuto asked 16/8, 2013 at 19:53

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I recently uploaded my application to the android market however it's refusing to run when downloaded due to the error Package file was not signed correctly I first published the packet using ...
Oreilly asked 25/3, 2010 at 21:7

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I am trying to generate a pfx file to use as a signing mechanism for some JAR files as per these instructions. To create the pfx file I am using the following command openssl pkcs12 -export -in ...
Giagiacamo asked 15/1, 2014 at 13:15

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How can you add additional parameters to a jar's manifest file when signing it? I have a javaws app that uses some external libraries. Starting with java7u25 there is a need for additional paramete...
Disinter asked 27/6, 2013 at 8:51

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I am getting the error: [signjar] jarsigner: attempt to rename C:\workspace\line_editor\lib\icon.jar to C:\workspace\line_editor\lib\icon.jar.orig failed when attempting to self sign a se...
Nab asked 17/1, 2011 at 14:31

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Adding a timestamp to our jar's causes our maven build to take ~4 times longer than usual. Timestamp is necessary for release builds, but we don't need it for snapshot builds. How would we configur...
Fight asked 4/1, 2013 at 21:3

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Quick background: We release a webstart application, which includes our own application jars and numerous third-party jars. Webstart requires that all distributed jars referred to by the jnlp file ...
Benignity asked 27/9, 2012 at 4:33

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I get the following error on a self-signed jar: jar verified. Warning: This jar contains entries whose certificate chain is not validated. Re-run with the -verbose and -certs options for more de...
Platinotype asked 8/11, 2011 at 11:25

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Since the latest Java update, two of my applets are displaying a warning pop-up to our users even though both of the jar files we are using are signed. I have verified they are signed using t...
Alisa asked 8/5, 2013 at 13:1

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I have a library of MD5 hashes of public keys used to sign various jars, and a mapping to their respective keystores which we use to sign different APKs. What I'd like to be able to do is identify ...
Conto asked 3/12, 2012 at 22:29

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Just recently I have had a problem with a key store. I know there are plenty of questions about this problem already. I have read them all and Googled furiously. Error: keytool error: java.io.IOE...
Iceboat asked 23/11, 2012 at 20:35

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The Java Security dialog is shown when loading a signed applet. What does the Java Security dialog look like?
Scalise asked 20/10, 2012 at 7:31

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Just noted that you can´t sign Android APKs with the Java 1.7 jarsigner. So I wonder why this is and what is the difference between the 1.6 and 1.7 signer?
Poly asked 5/1, 2012 at 8:27

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I need to change expiry date of jar being signed by a certificate to say 30 days. Hence I execute in sequence (I provide relevant inputs for the first command). But in-spite of the -validity option...
Waal asked 24/3, 2011 at 12:52

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I've signed my jar with a key that I generated using keytool. At runtime, how do I verify that the jar hasn't been modified? The goal is to use the certificate information and verify that each cl...
Licketysplit asked 11/2, 2011 at 14:17

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We have several maven projects, which are built on the build server. In some cases we want to sign our deliverables. We use Maven Jarsigner Plugin to do that. We face the following questions: W...
Trochilus asked 30/8, 2010 at 6:50

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Warning: The signer certificate has expired. I get the following when I try to sign with jarsigner, and the output jar doesn't get generated. How do I renew my jar signature?
Syllabi asked 15/8, 2010 at 23:25

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