Master of Science thesis Fighting Spam

}
Debugger.debug(Cryptotools.class, 3, "Certificate generated");
Debugger.debug(Cryptotools.class, 3, "Command: " + command);
public static boolean generateKeyPair(String alias, String keystorefilename, String
algorithm, int keysize,
String storepass, String keypass, String[]
data) throws Exception
{
//data = {firstname,lastname,orgUnit,orgName,locality,state,country}
Runtime rt = Runtime.getRuntime();
String cmd = "keytool -genkey -alias " + alias + " -keystore " + keystorefilename
+ " -keyalg " + algorithm
+ " -keysize " + keysize + " -dname \"CN=" + data[0] + " " + data[1] + ",
OU=" + data[2] + ", O=" + data[3]
+ ", L=" + data[4] + ", S=" + data[5] + ", C=" + data[6] + "\" -storepass " +
storepass + " -keypass "
+ keypass;
Debugger.debug(Cryptotools.class, 3, "Command: " + cmd);
Process proc = rt.exec(cmd);
proc.waitFor();
KeyStore ks = KeyStore.getInstance("JKS");
File file = new File(keystorefilename);
ks.load(new FileInputStream(file), storepass.toCharArray()); // must be changed
to "correct" path
}
return ks.containsAlias(alias);
public static PrivateKey getKey(String keystorefilepath, String alias, String
keystorepass, String keypass) throws
Exception
{
KeyStore ks = KeyStore.getInstance("JKS");
ks.load(new FileInputStream(new File(keystorefilepath)),
keystorepass.toCharArray());
return(PrivateKey) ks.getKey(alias, keypass.toCharArray());
}
public static byte[] generateCertRequest(String alias, String keystorefilename,
String keystorepass, String keypass) throws
Exception
{
String cmd = "keytool -certreq -alias " + alias + " -keystore " +
keystorefilename + " -storepass "
+ keystorepass + " -keypass " + keypass + " -file " + alias + ".csr";
Runtime rt = Runtime.getRuntime();
Process proc = rt.exec(cmd);
proc.waitFor();
File file = new File(alias + ".csr");
return FileHandler.readBytes(file);
}
public static SecretKey generateAESKey()
{
try
{
KeyGenerator kgen = KeyGenerator.getInstance("AES");
kgen.init(encryptedKeySize); // 192 and 256 bits may not be available
// Generate the secret key specs.
return kgen.generateKey();
}
catch(Exception e)
{
System.out.println("Exception in generateKey: " + e);
396