private static void setupJurisdictionPolicies() throws Exception { String javaHomeDir = System.getProperty("java.home"); String sep = File.separator; String pathToPolicyJar = javaHomeDir + sep + "lib" + sep + "security" + sep; File exportJar = new File(pathToPolicyJar, "US_export_policy.jar"); File importJar = new File(pathToPolicyJar, "local_policy.jar"); URL jceCipherURL = ClassLoader.getSystemResource("javax/crypto/Cipher.class"); if ((jceCipherURL == null) || !exportJar.exists() || !importJar.exists()) { throw new SecurityException("Cannot locate policy or framework files!"); } // Read jurisdiction policies. CryptoPermissions defaultExport = new CryptoPermissions(); CryptoPermissions exemptExport = new CryptoPermissions(); loadPolicies(exportJar, defaultExport, exemptExport); CryptoPermissions defaultImport = new CryptoPermissions(); CryptoPermissions exemptImport = new CryptoPermissions(); loadPolicies(importJar, defaultImport, exemptImport); // Merge the export and import policies for default applications. if (defaultExport.isEmpty() || defaultImport.isEmpty()) { throw new SecurityException("Missing mandatory jurisdiction " + "policy files"); } defaultPolicy = defaultExport.getMinimum(defaultImport); // Merge the export and import policies for exempt applications. if (exemptExport.isEmpty()) { exemptPolicy = exemptImport.isEmpty() ? null : exemptImport; } else { exemptPolicy = exemptExport.getMinimum(exemptImport); } }