THE TUTORIAL LIBRARY
Suppose you have used the jarsigner tool to sign a Java ARchive (JAR) file. Clients that want to use the file will want to authenticate your signature.
Read tutorialOnce you've imported a certificate authenticating the public key of the CA you submitted your certificate signing request to (or there's already such a certificate in the "cacerts"
Read tutorialYou need to replace your self-signed certificate with a certificate chain, where each certificate in the chain authenticates the public key of the signer of the previous certificat
Read tutorialSo far all we've got is a self-signed certificate. A certificate is more likely to be trusted by others if it is signed by a Certification Authority (CA). To get such a signature,
Read tutorialThe first thing you need to do is create a keystore and generate the key pair. You could use a command such as the following:
Read tutorialTo verify a signed JAR file, that is, to verify that the signature is valid and the JAR file has not been tampered with, use a command such as the following: jarsigner -verify sbun
Read tutorialSuppose you have a JAR file named bundle.jar and you'd like to sign it using the private key of the user whose keystore alias is jane in the keystore named mystore in the working d
Read tutorialThe jar tool combines multiple files into a single JAR archive file. jar is a general-purpose archiving and compression tool, based on ZIP and the ZLIB compression format. However,
Read tutorialThe compiler has a set of standard options that are supported on the current development environment and will be supported in future releases. An additional set of non-standard opt
Read tutorialAssuming you have a folder named greetings and you have copied all your java source files in that folder, you can compile all of these files with a single command rather than compi
Read tutorialOne source file, Hello.java, defines a class called greetings.Hello. The greetings directory is the package directory both for the source file and the class file and is off the cur
Read tutorialThe equals() method compares two objects for equality and returns true if they are equal. The equals() method provided in the Object class uses the identity operator (==) to determ
Read tutorialOne example today. A better developer tomorrow.