How to use

getKeySize

method

in

org.spongycastle.openssl.jcajce.PEMUtilities

public static SecretKey generateSecretKeyForPKCS5Scheme2(JcaJceHelper helper, String algorithm, char[] password, byte[] salt, int iterationCount)
  throws NoSuchProviderException, NoSuchAlgorithmException, InvalidKeySpecException
{
  SecretKeyFactory keyGen = helper.createSecretKeyFactory("PBKDF2with8BIT");
  SecretKey sKey = keyGen.generateSecret(new PBEKeySpec(password, salt, iterationCount, PEMUtilities.getKeySize(algorithm)));
  return new SecretKeySpec(sKey.getEncoded(), algorithm);
}

public static SecretKey generateSecretKeyForPKCS5Scheme2(JcaJceHelper helper, String algorithm, char[] password, byte[] salt, int iterationCount)
  throws NoSuchProviderException, NoSuchAlgorithmException, InvalidKeySpecException
{
  SecretKeyFactory keyGen = helper.createSecretKeyFactory("PBKDF2with8BIT");
            
  SecretKey sKey = keyGen.generateSecret(new PBEKeySpec(password, salt, iterationCount, PEMUtilities.getKeySize(algorithm)));
  return new SecretKeySpec(sKey.getEncoded(), algorithm);
}

public static SecretKey generateSecretKeyForPKCS5Scheme2(JcaJceHelper helper, String algorithm, char[] password, byte[] salt, int iterationCount, AlgorithmIdentifier prf)
  throws NoSuchProviderException, NoSuchAlgorithmException, InvalidKeySpecException
{
  String prfName = (String)PRFS.get(prf.getAlgorithm());
  if (prfName == null)
  {
    throw new NoSuchAlgorithmException("unknown PRF in PKCS#2: " + prf.getAlgorithm());
  }
  SecretKeyFactory keyGen = helper.createSecretKeyFactory(prfName);
  SecretKey sKey = keyGen.generateSecret(new PBEKeySpec(password, salt, iterationCount, PEMUtilities.getKeySize(algorithm)));
  return new SecretKeySpec(sKey.getEncoded(), algorithm);
}