本文主要是介绍利用jarsigner命令查看jar文件签名及去除jar文件原有签名方法，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
查看jar文件签名
jarsigner -verify -verbose -certs <jar-file>
# 例如
jarsigner -verify -verbose -certs jetty-jmx-10.0.15.jar 0 Tue Apr 11 12:25:30 CST 2023 META-INF/0 Tue Apr 11 12:25:28 CST 2023 org/0 Tue Apr 11 12:25:28 CST 2023 org/eclipse/0 Tue Apr 11 12:25:28 CST 2023 org/eclipse/jetty/0 Tue Apr 11 12:25:28 CST 2023 org/eclipse/jetty/jmx/0 Tue Apr 11 12:25:30 CST 2023 META-INF/maven/0 Tue Apr 11 12:25:30 CST 2023 META-INF/maven/org.eclipse.jetty/0 Tue Apr 11 12:25:30 CST 2023 META-INF/maven/org.eclipse.jetty/jetty-jmx/15550 Tue Apr 11 12:25:28 CST 2023 org/eclipse/jetty/jmx/MetaData.class6833 Tue Apr 11 12:25:28 CST 2023 org/eclipse/jetty/jmx/MetaData$AttributeInfo.class6178 Tue Apr 11 12:25:28 CST 2023 org/eclipse/jetty/jmx/MetaData$OperationInfo.class9324 Tue Apr 11 12:25:28 CST 2023 org/eclipse/jetty/jmx/ConnectorServer.class15975 Tue Apr 11 12:25:28 CST 2023 org/eclipse/jetty/jmx/MBeanContainer.class2967 Tue Apr 11 12:25:28 CST 2023 org/eclipse/jetty/jmx/ConnectorServer$JMXRMIServerSocketFactory.class5450 Tue Apr 11 12:25:28 CST 2023 org/eclipse/jetty/jmx/ObjectMBean.class3208 Tue Apr 11 12:25:28 CST 2023 META-INF/NOTICE.txt25604 Tue Apr 11 12:25:28 CST 2023 META-INF/LICENSE1844 Tue Apr 11 12:24:26 CST 2023 META-INF/maven/org.eclipse.jetty/jetty-jmx/pom.xml63 Tue Apr 11 12:25:30 CST 2023 META-INF/maven/org.eclipse.jetty/jetty-jmx/pom.properties371 Tue Apr 11 12:25:28 CST 2023 module-info.class1801 Tue Apr 11 12:25:30 CST 2023 META-INF/MANIFEST.MFs = signature was verifiedm = entry is listed in manifestk = at least one certificate was found in keystorejar is unsigned.去除jar文件原有签名
zip -d <jar-file> META-INF/*.SF META-INF/*.RSA META-INF/*.DSA META-INF/*.MF
# 例如:
zip -d test.jar META-INF/*.SF META-INF/*.RSA META-INF/*.DSA META-INF/*.MF
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