public void performTest() throws Exception {
byte[] salt = new byte[16];
int iCount = 100;
for (int i = 0; i != salt.length; i++) {
salt[i] = (byte) i;
}
OpenSSLPBEParametersGenerator pGen = new OpenSSLPBEParametersGenerator();
pGen.init(PBEParametersGenerator.PKCS5PasswordToBytes(password), salt, iCount);
ParametersWithIV params = (ParametersWithIV) pGen.generateDerivedParameters(keySize, ivSize);
SecretKeySpec encKey =
new SecretKeySpec(((KeyParameter) params.getParameters()).getKey(), baseAlgorithm);
Cipher c;
if (baseAlgorithm.equals("RC4")) {
c = Cipher.getInstance(baseAlgorithm, "SC");
c.init(Cipher.ENCRYPT_MODE, encKey);
} else {
c = Cipher.getInstance(baseAlgorithm + "/CBC/PKCS7Padding", "SC");
c.init(Cipher.ENCRYPT_MODE, encKey, new IvParameterSpec(params.getIV()));
}
byte[] enc = c.doFinal(salt);
c = Cipher.getInstance(algorithm, "SC");
PBEKeySpec keySpec = new PBEKeySpec(password, salt, iCount);
SecretKeyFactory fact = SecretKeyFactory.getInstance(algorithm, "SC");
c.init(Cipher.DECRYPT_MODE, fact.generateSecret(keySpec));
byte[] dec = c.doFinal(enc);
if (!Arrays.areEqual(salt, dec)) {
fail("" + algorithm + "failed encryption/decryption test");
}
}
public void performTest() throws Exception {
byte[] salt = new byte[digest.getDigestSize()];
int iCount = 100;
digest.doFinal(salt, 0);
PKCS12ParametersGenerator pGen = new PKCS12ParametersGenerator(digest);
pGen.init(PBEParametersGenerator.PKCS12PasswordToBytes(password), salt, iCount);
ParametersWithIV params = (ParametersWithIV) pGen.generateDerivedParameters(keySize, ivSize);
SecretKeySpec encKey =
new SecretKeySpec(((KeyParameter) params.getParameters()).getKey(), baseAlgorithm);
Cipher c;
if (baseAlgorithm.equals("RC4")) {
c = Cipher.getInstance(baseAlgorithm, "SC");
c.init(Cipher.ENCRYPT_MODE, encKey);
} else {
c = Cipher.getInstance(baseAlgorithm + "/CBC/PKCS7Padding", "SC");
c.init(Cipher.ENCRYPT_MODE, encKey, new IvParameterSpec(params.getIV()));
}
byte[] enc = c.doFinal(salt);
c = Cipher.getInstance(algorithm, "SC");
PBEKeySpec keySpec = new PBEKeySpec(password, salt, iCount);
SecretKeyFactory fact = SecretKeyFactory.getInstance(algorithm, "SC");
c.init(Cipher.DECRYPT_MODE, fact.generateSecret(keySpec));
byte[] dec = c.doFinal(enc);
if (!Arrays.areEqual(salt, dec)) {
fail("" + algorithm + "failed encryption/decryption test");
}
//
// get the parameters
//
AlgorithmParameters param = checkParameters(c, salt, iCount);
//
// try using parameters
//
c = Cipher.getInstance(algorithm, "SC");
keySpec = new PBEKeySpec(password);
c.init(Cipher.DECRYPT_MODE, fact.generateSecret(keySpec), param);
checkParameters(c, salt, iCount);
dec = c.doFinal(enc);
if (!Arrays.areEqual(salt, dec)) {
fail("" + algorithm + "failed encryption/decryption test");
}
//
// try using PBESpec
//
c = Cipher.getInstance(algorithm, "SC");
keySpec = new PBEKeySpec(password);
c.init(
Cipher.DECRYPT_MODE,
fact.generateSecret(keySpec),
param.getParameterSpec(PBEParameterSpec.class));
checkParameters(c, salt, iCount);
dec = c.doFinal(enc);
if (!Arrays.areEqual(salt, dec)) {
fail("" + algorithm + "failed encryption/decryption test");
}
}