use of org.bouncycastle.crypto.InvalidCipherTextException in project oxAuth by GluuFederation.
the class JweDecrypterImpl method decryptCipherText.
@Override
public String decryptCipherText(String encodedCipherText, byte[] contentMasterKey, byte[] initializationVector, byte[] authenticationTag, byte[] additionalAuthenticatedData) throws InvalidJweException {
if (getBlockEncryptionAlgorithm() == null) {
throw new InvalidJweException("The block encryption algorithm is null");
}
if (contentMasterKey == null) {
throw new InvalidJweException("The content master key (CMK) is null");
}
if (initializationVector == null) {
throw new InvalidJweException("The initialization vector is null");
}
if (authenticationTag == null) {
throw new InvalidJweException("The authentication tag is null");
}
if (additionalAuthenticatedData == null) {
throw new InvalidJweException("The additional authentication data is null");
}
try {
if (getBlockEncryptionAlgorithm() == BlockEncryptionAlgorithm.A128GCM || getBlockEncryptionAlgorithm() == BlockEncryptionAlgorithm.A256GCM) {
final int MAC_SIZE_BITS = 128;
byte[] cipherText = Base64Util.base64urldecode(encodedCipherText);
KeyParameter key = new KeyParameter(contentMasterKey);
AEADParameters aeadParameters = new AEADParameters(key, MAC_SIZE_BITS, initializationVector, additionalAuthenticatedData);
SecretKeySpec sks = new SecretKeySpec(contentMasterKey, "AES");
BlockCipher blockCipher = new AESEngine();
CipherParameters params = new KeyParameter(sks.getEncoded());
blockCipher.init(false, params);
GCMBlockCipher aGCMBlockCipher = new GCMBlockCipher(blockCipher);
aGCMBlockCipher.init(false, aeadParameters);
byte[] input = new byte[cipherText.length + authenticationTag.length];
System.arraycopy(cipherText, 0, input, 0, cipherText.length);
System.arraycopy(authenticationTag, 0, input, cipherText.length, authenticationTag.length);
int len = aGCMBlockCipher.getOutputSize(input.length);
byte[] out = new byte[len];
int outOff = aGCMBlockCipher.processBytes(input, 0, input.length, out, 0);
aGCMBlockCipher.doFinal(out, outOff);
String plaintext = new String(out, Charset.forName(Util.UTF8_STRING_ENCODING));
return plaintext;
} else if (getBlockEncryptionAlgorithm() == BlockEncryptionAlgorithm.A128CBC_PLUS_HS256 || getBlockEncryptionAlgorithm() == BlockEncryptionAlgorithm.A256CBC_PLUS_HS512) {
byte[] cipherText = Base64Util.base64urldecode(encodedCipherText);
byte[] cek = KeyDerivationFunction.generateCek(contentMasterKey, getBlockEncryptionAlgorithm());
Cipher cipher = Cipher.getInstance(getBlockEncryptionAlgorithm().getAlgorithm());
IvParameterSpec ivParameter = new IvParameterSpec(initializationVector);
cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(cek, "AES"), ivParameter);
byte[] decodedPlainTextBytes = cipher.doFinal(cipherText);
String decodedPlainText = new String(decodedPlainTextBytes, Charset.forName(Util.UTF8_STRING_ENCODING));
// Integrity check
String securedInputValue = new String(additionalAuthenticatedData, Charset.forName(Util.UTF8_STRING_ENCODING)) + "." + encodedCipherText;
byte[] cik = KeyDerivationFunction.generateCik(contentMasterKey, getBlockEncryptionAlgorithm());
SecretKey secretKey = new SecretKeySpec(cik, getBlockEncryptionAlgorithm().getIntegrityValueAlgorithm());
Mac mac = Mac.getInstance(getBlockEncryptionAlgorithm().getIntegrityValueAlgorithm());
mac.init(secretKey);
byte[] integrityValue = mac.doFinal(securedInputValue.getBytes(Util.UTF8_STRING_ENCODING));
if (!Arrays.equals(integrityValue, authenticationTag)) {
throw new InvalidJweException("The authentication tag is not valid");
}
return decodedPlainText;
} else {
throw new InvalidJweException("The block encryption algorithm is not supported");
}
} catch (InvalidCipherTextException e) {
throw new InvalidJweException(e);
} catch (NoSuchPaddingException e) {
throw new InvalidJweException(e);
} catch (BadPaddingException e) {
throw new InvalidJweException(e);
} catch (InvalidAlgorithmParameterException e) {
throw new InvalidJweException(e);
} catch (NoSuchAlgorithmException e) {
throw new InvalidJweException(e);
} catch (IllegalBlockSizeException e) {
throw new InvalidJweException(e);
} catch (UnsupportedEncodingException e) {
throw new InvalidJweException(e);
} catch (NoSuchProviderException e) {
throw new InvalidJweException(e);
} catch (InvalidKeyException e) {
throw new InvalidJweException(e);
} catch (InvalidParameterException e) {
throw new InvalidJweException(e);
}
}
use of org.bouncycastle.crypto.InvalidCipherTextException in project gocd by gocd.
the class TfsMaterialConfigUpdateTest method shouldErrorOutIfEncryptionFails.
@Test
public void shouldErrorOutIfEncryptionFails() throws Exception {
GoCipher mockGoCipher = mock(GoCipher.class);
when(mockGoCipher.encrypt("password")).thenThrow(new InvalidCipherTextException("exception"));
try {
new TfsMaterialConfig(mockGoCipher, new UrlArgument("http://10.4.4.101:8080/tfs/Sample"), "loser", "CORPORATE", "password", "walk_this_path");
fail("Should have thrown up");
} catch (Exception e) {
assertThat(e.getMessage(), is("Password encryption failed. Please verify your cipher key."));
}
}
use of org.bouncycastle.crypto.InvalidCipherTextException in project gocd by gocd.
the class TfsMaterialTest method shouldErrorOutIfEncryptionFails.
@Test
public void shouldErrorOutIfEncryptionFails() throws Exception {
GoCipher mockGoCipher = mock(GoCipher.class);
when(mockGoCipher.encrypt("password")).thenThrow(new InvalidCipherTextException("exception"));
try {
new TfsMaterial(mockGoCipher, new UrlArgument("/foo"), "username", DOMAIN, "password", "");
fail("Should have thrown up");
} catch (Exception e) {
assertThat(e.getMessage(), is("Password encryption failed. Please verify your cipher key."));
}
}
use of org.bouncycastle.crypto.InvalidCipherTextException in project gocd by gocd.
the class TfsMaterialTest method shouldErrorOutIfDecryptionFails.
@Test
public void shouldErrorOutIfDecryptionFails() throws InvalidCipherTextException {
GoCipher mockGoCipher = mock(GoCipher.class);
String fakeCipherText = "fake cipher text";
when(mockGoCipher.decrypt(fakeCipherText)).thenThrow(new InvalidCipherTextException("exception"));
TfsMaterial material = new TfsMaterial(mockGoCipher, new UrlArgument("/foo"), "username", DOMAIN, "password", "");
ReflectionUtil.setField(material, "encryptedPassword", fakeCipherText);
try {
material.getPassword();
fail("Should have thrown up");
} catch (Exception e) {
assertThat(e.getMessage(), is("Could not decrypt the password to get the real password"));
}
}
use of org.bouncycastle.crypto.InvalidCipherTextException in project gocd by gocd.
the class SvnMaterialTest method shouldErrorOutIfEncryptionFails.
@Test
public void shouldErrorOutIfEncryptionFails() throws Exception {
GoCipher mockGoCipher = mock(GoCipher.class);
when(mockGoCipher.encrypt("password")).thenThrow(new InvalidCipherTextException("exception"));
try {
new SvnMaterial("/foo", "username", "password", false, mockGoCipher);
fail("Should have thrown up");
} catch (Exception e) {
assertThat(e.getMessage(), is("Password encryption failed. Please verify your cipher key."));
}
}
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