var doc = new jsPDF({
    encryption: {
        userPassword: "user",
        ownerPassword: "owner",
        userPermissions: ["print", "modify", "copy", "annot-forms"]
        // try changing the user permissions granted
    }
});

doc.setFontSize(40);
doc.text("Octonyan loves jsPDF", 35, 25);
doc.addImage("examples/images/Octonyan.jpg", "JPEG", 15, 40, 180, 180);

var doc = new jsPDF({
    // jsPDF supports encryption of PDF version 1.3.
    // Version 1.3 just uses RC4 40-bit which is kown to be weak and is NOT state of the art.
    // Keep in mind that it is just a minimal protection.
    encryption: {
        userPassword: "user",
        ownerPassword: "owner",
        userPermissions: ["print", "modify", "copy", "annot-forms"]
        // try changing the user permissions granted
    }
});

doc.setFontSize(40);
doc.text("Octonyan loves jsPDF", 35, 25);
doc.addImage("examples/images/Octonyan.jpg", "JPEG", 15, 40, 180, 180);

Add security notice for encryption
Add security notice for encryption