import java.security.KeyPairGenerator;
import java.security.SecureRandom;
import java.security.PublicKey;
import java.security.PrivateKey;
KeyPairGenerator keyPairGen = KeyPairGenerator.getInstance("RSA");
keyPairGen.initialize(2048, SecureRandom.getInstanceStrong());
KeyPair keyPair = keyPairGen.genKeyPair();
PublicKey publicKey = keyPair.getPublic();
PrivateKey privateKey = keyPair.getPrivate();
See also sun.security.tools.keytool.CertAndKeyGen.
[Desktop Entry]
Encoding=UTF-8
Name=Calculator
Name[fr]=Calculatrice
...
Comment=Perform calculations
Comment[fr]=Effectue des calculs compliqués
...
Exec=gcalctool
Icon=accessories-calculator
Terminal=false
Type=Application
StartupNotify=true
Categories=GNOME;GTK;Utility;Calculator
For details see https://help.gnome.org/admin//system-admin-guide/2.32/menustructure-desktopentry.html.en
For all Java process you can set proxy settings from command line:
-Dhttp.proxyHost=localhost -Dhttp.proxyPort=8080 -Dhttps.proxyHost=localhost -Dhttps.proxyPort=8443
For details see: Java Networking Properties
For JBoss EAP 6 >, you can set this with:
<server xmlns="urn:jboss:domain:1.7">
<extensions>
...
</extensions>
<system-properties>
<property name="http.proxyHost" value="localhost"/>
<property name="http.proxyPort" value="8080"/>
<property name="https.proxyHost" value="localhost"/>
<property name="https.proxyPort" value="8443"/>
</system-properties>
<management>
</server>
What is Clickjacking? https://en.wikipedia.org/wiki/Clickjacking
See also:
What is CSP, Content Security Policy? https://www.owasp.org/index.php/Content_Security_Policy
See also:
This is a security feature that helps prevent attacks based on MIME-type confusion.
BufferedReader reader = null;
try {
reader = new BufferedReader(new InputStreamReader(new FileInputStream("filename.txt"), "UTF-8"));
String string = reader.readLine();
} finally {
if (reader != null) {
reader.close();
}
}
Writer writer = null;
try {
writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("filename.txt"), "UTF-8"));
writer.write(string);
} finally {
if (writer != null) {
writer.close();
}
}
