BaseCipher ignores supplied IV when PBEParameterSpec used #1846

import org.bouncycastle.jcajce.provider.BouncyCastleFipsProvider;
import javax.crypto.Cipher;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.spec.PBEParameterSpec;
import java.security.SecureRandom;

var keyAlgo = "PBKDF2WITHHMACSHA512";
var cipherAlgo = "2.16.840.1.101.3.4.1.42";

var provider = new BouncyCastleFipsProvider();
var random = SecureRandom.getInstance("SHA1PRNG");

var password = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa".toCharArray();
var pbeKeySpec = new PBEKeySpec(password);

var factory = SecretKeyFactory.getInstance(keyAlgo, provider);
var key = factory.generateSecret(pbeKeySpec);

var salt = new byte[16];
random.nextBytes(salt);
var iv = new byte[16];
random.nextBytes(iv);

var parameterSpec = new PBEParameterSpec(salt, 1000, new IvParameterSpec(iv));

var encryptCipher = Cipher.getInstance(cipherAlgo, provider);
var decryptCipher = Cipher.getInstance(cipherAlgo, provider);

encryptCipher.init(Cipher.ENCRYPT_MODE, key, parameterSpec);
decryptCipher.init(Cipher.DECRYPT_MODE, key, parameterSpec);

var encryptedBytes = encryptCipher.doFinal("testing".getBytes());
var decryptedBytes = decryptCipher.doFinal(encryptedBytes);
var decryptedStr = new String(decryptedBytes, "UTF-8");

System.out.println(decryptedStr);