Verifies JAR files with the jarsigner command line tool. It will take a named file in the jar attribute. Nested paths are also supported
| Attribute | Description | Required |
| jar | the jar file to verify | Yes, unless nested paths have been used. |
| alias | the alias to verify under | Yes. |
| storepass | password for keystore integrity. Note that jarsigner does not read the password from stdin during verification, so the password must be send via a command line interface and may be visible to other users of the system. | No. |
| keystore | keystore location | No |
| storetype | keystore type | No |
| keypass | password for private key (if different) | No |
| certificates | (true | false) display information about certificates | No; default false |
| verbose | (true | false) verbose output when verifying | No; default false |
| strict | (true | false) strict checking when verifying. since Ant 1.9.1. |
No; default false |
| maxmemory | Specifies the maximum memory the jarsigner VM will use. Specified in the style of standard java memory specs (e.g. 128m = 128 MBytes) | No |
| executable | Specify a particular jarsigner executable
to use in place of the default binary (found in the same JDK as
Apache Ant is running in).Must support the same command line options as the Sun JDK jarsigner command. since Ant 1.8.0. |
No |
| providername | name of a cryptographic service provider's name when listed in the security properties file. since Ant 1.9.14. | No |
| providerclass | name of a cryptographic service provider's master class file when the service provider is not listed in the security properties file. since Ant 1.9.14. | No |
| providerarg | Represents an optional string input argument for
the constructor of provider_class_name. Ignored
if providerclass is not set.
since Ant 1.9.14. |
No |
| Attribute | Description | Required |
| path | path of JAR files to verify. since Ant 1.7 | No |
| fileset | fileset of JAR files to verify. | No |
| sysproperty | JVM system properties, with the syntax of Ant environment variables | No, and only one can be supplied |
| arg | Use this to specify a keytool
command line argument not
explicitly supported via an attribute.
since Ant 1.9.14. |
No |
<verifyjar jar="${dist}/lib/ant.jar"
alias="apache-group" storepass="secret"/>
verifies the ant.jar with alias "apache-group" accessing the keystore and private key via "secret" password.