The Java™ Tutorials
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Export the Public Key Certificate
Trail: Security Features in Java SE
Lesson: Exchanging Files
Section: Steps for the Contract Sender

Export the Public Key Certificate

You now have a signed JAR file sContract.jar. Recipients wanting to use this file will also want to authenticate your signature. To do this, they need the public key that corresponds to the private key you used to generate your signature. You supply your public key by sending them a copy of the certificate that contains your public key. Copy that certificate from the keystore examplestanstore to a file named StanSmith.cer via the following:

keytool -export -keystore examplestanstore
-alias signLegal -file StanSmith.cer

You will be prompted for the store password.

Once they have that certificate and the signed JAR file, your recipient can use the jarsigner tool to authenticate your signature. See Steps for the Contract Receiver.

Previous page: Sign the JAR File
Next page: Steps for the Contract Receiver