This code snippet gets the default keystore used by the Java keytool and displays the list of aliases along with the key type (certificate or private key). import java.io.File; import java.io.FileInputSt... The default keystore used by the above code is: $HOME/.keystore .

Syntax highlighted XML schema for JSF 2.0 Application Configuration Resource File ( faces-config.xml ). Almost 3000 lines! <?xml version="1.0" encoding="UTF-8"?> <xsd:sch...

This exception occurs when trying to get a private key: PrivateKey privateKey = (PrivateKey) keyStore.getK... Stack trace: Exception in thread "main" java.security.Unrecover... which was caused by giving a wrong private key password. The solution is to correct the key password in your code, or change the password in the keystore to match that in your code: keytool -keypasswd -alias mykey -keypass oldpasswo...

The javax.xml.crypto and javax.xml.crypto.dsig packages are not available in Android (as of version 2.3). Therefore, standard Java API does not work. But you can use the Apache Santuario library to do that. Here are the steps: Download the xml security source distribution (curently version 1.4.4). Build with ant. Create your own library jar (only the apache classes, no javax): jar -cf xmlsec-1.4.4.jar -C build/classes org Copy xmlsec-1.4.4.jar to the libs directory of your Android project. Here's the Java code: import java.io.*; import javax.xml.parsers.*; ...

PHP compares two arrays element for element for equality. Two arrays are considered equal when they have the same number of elements, and for each element key and value both match. Test code: <?php $cmp = array( array(array(1), array(1... Outputs: array(1) { [0]=> int(1) } array(2)...

This Java code fragment gets the list of signatures associated with the named package. Usually, there's only one signature for a package. But if the signing key was signed by another key, or the package was signed with multiple keys, then there'll be multiple signatures. try { PackageInfo pkgInfo = getPackageManag...

Key points: Use java.awt.Robot to capture a screen region as java.awt.image.BufferedImage . Use javax.imageio.ImageIO to write image out to a file. import java.awt.AWTException; import java.awt.R...

There's no difference between a Java HTTP client and a Java HTTPS client. Ignore JavaWorld Java Tip 96 , it's way too old. The following code gets an HTTP page as well as an HTTPS page. import java.io.*; import java.net.*; pub... There's one catch . If you are using the code on a test server with a self-signed certificate, it fails. In that case, I would suggest that you download the certificate from the server and import it to your keystore as a trusted key. You may also need to add a subject alternative name to the certificate if the host name does not match the certificate. You may also choose to use a custom TrustManager and HostnameVerifier to ignore the certificate verification errors.

Create an openssl configuration file which enables subject alternative names ( openssl.cnf ): [req] distinguished_name = req_distinguished_... Create a certificate request using above configuration file: C:\work>openssl req -new -key testServer.key -out ... Verify the request was created successfully: C:\work>openssl req -text -noout -in testServer.cs... (Optional) self-sign the certificate request: C:\work>openssl x509 -req -days 3650 -in testServe...

Generate key valid for 10 years (3650 days). Since no -keystore option is given, the key is stored in the default keystore $HOME/.keystore . C:\tmp>keytool -genkey -keyalg rsa -alias myke... Create the applet jar: jar -cf myapplet.jar com/my/applet Sign jar: C:\tmp>jarsigner myapplet.jar mykey Enter Passp... Verify signature: C:\tmp>jarsigner -verify -verbose -certs myapplet....