use of java.security.ProviderException in project android_frameworks_base by ResurrectionRemix.
the class AndroidKeyStoreSpi method setSecretKeyEntry.
private void setSecretKeyEntry(String entryAlias, SecretKey key, java.security.KeyStore.ProtectionParameter param) throws KeyStoreException {
if ((param != null) && (!(param instanceof KeyProtection))) {
throw new KeyStoreException("Unsupported protection parameter class: " + param.getClass().getName() + ". Supported: " + KeyProtection.class.getName());
}
KeyProtection params = (KeyProtection) param;
if (key instanceof AndroidKeyStoreSecretKey) {
// KeyStore-backed secret key. It cannot be duplicated into another entry and cannot
// overwrite its own entry.
String keyAliasInKeystore = ((AndroidKeyStoreSecretKey) key).getAlias();
if (keyAliasInKeystore == null) {
throw new KeyStoreException("KeyStore-backed secret key does not have an alias");
}
if (!keyAliasInKeystore.startsWith(Credentials.USER_SECRET_KEY)) {
throw new KeyStoreException("KeyStore-backed secret key has invalid alias: " + keyAliasInKeystore);
}
String keyEntryAlias = keyAliasInKeystore.substring(Credentials.USER_SECRET_KEY.length());
if (!entryAlias.equals(keyEntryAlias)) {
throw new KeyStoreException("Can only replace KeyStore-backed keys with same" + " alias: " + entryAlias + " != " + keyEntryAlias);
}
// This is the entry where this key is already stored. No need to do anything.
if (params != null) {
throw new KeyStoreException("Modifying KeyStore-backed key using protection" + " parameters not supported");
}
return;
}
if (params == null) {
throw new KeyStoreException("Protection parameters must be specified when importing a symmetric key");
}
// Not a KeyStore-backed secret key -- import its key material into keystore.
String keyExportFormat = key.getFormat();
if (keyExportFormat == null) {
throw new KeyStoreException("Only secret keys that export their key material are supported");
} else if (!"RAW".equals(keyExportFormat)) {
throw new KeyStoreException("Unsupported secret key material export format: " + keyExportFormat);
}
byte[] keyMaterial = key.getEncoded();
if (keyMaterial == null) {
throw new KeyStoreException("Key did not export its key material despite supporting" + " RAW format export");
}
KeymasterArguments args = new KeymasterArguments();
try {
int keymasterAlgorithm = KeyProperties.KeyAlgorithm.toKeymasterSecretKeyAlgorithm(key.getAlgorithm());
args.addEnum(KeymasterDefs.KM_TAG_ALGORITHM, keymasterAlgorithm);
int[] keymasterDigests;
if (keymasterAlgorithm == KeymasterDefs.KM_ALGORITHM_HMAC) {
// JCA HMAC key algorithm implies a digest (e.g., HmacSHA256 key algorithm
// implies SHA-256 digest). Because keymaster HMAC key is authorized only for one
// digest, we don't let import parameters override the digest implied by the key.
// If the parameters specify digests at all, they must specify only one digest, the
// only implied by key algorithm.
int keymasterImpliedDigest = KeyProperties.KeyAlgorithm.toKeymasterDigest(key.getAlgorithm());
if (keymasterImpliedDigest == -1) {
throw new ProviderException("HMAC key algorithm digest unknown for key algorithm " + key.getAlgorithm());
}
keymasterDigests = new int[] { keymasterImpliedDigest };
if (params.isDigestsSpecified()) {
// Digest(s) explicitly specified in params -- check that the list consists of
// exactly one digest, the one implied by key algorithm.
int[] keymasterDigestsFromParams = KeyProperties.Digest.allToKeymaster(params.getDigests());
if ((keymasterDigestsFromParams.length != 1) || (keymasterDigestsFromParams[0] != keymasterImpliedDigest)) {
throw new KeyStoreException("Unsupported digests specification: " + Arrays.asList(params.getDigests()) + ". Only " + KeyProperties.Digest.fromKeymaster(keymasterImpliedDigest) + " supported for HMAC key algorithm " + key.getAlgorithm());
}
}
} else {
// Key algorithm does not imply a digest.
if (params.isDigestsSpecified()) {
keymasterDigests = KeyProperties.Digest.allToKeymaster(params.getDigests());
} else {
keymasterDigests = EmptyArray.INT;
}
}
args.addEnums(KeymasterDefs.KM_TAG_DIGEST, keymasterDigests);
@KeyProperties.PurposeEnum int purposes = params.getPurposes();
int[] keymasterBlockModes = KeyProperties.BlockMode.allToKeymaster(params.getBlockModes());
if (((purposes & KeyProperties.PURPOSE_ENCRYPT) != 0) && (params.isRandomizedEncryptionRequired())) {
for (int keymasterBlockMode : keymasterBlockModes) {
if (!KeymasterUtils.isKeymasterBlockModeIndCpaCompatibleWithSymmetricCrypto(keymasterBlockMode)) {
throw new KeyStoreException("Randomized encryption (IND-CPA) required but may be violated by" + " block mode: " + KeyProperties.BlockMode.fromKeymaster(keymasterBlockMode) + ". See KeyProtection documentation.");
}
}
}
args.addEnums(KeymasterDefs.KM_TAG_PURPOSE, KeyProperties.Purpose.allToKeymaster(purposes));
args.addEnums(KeymasterDefs.KM_TAG_BLOCK_MODE, keymasterBlockModes);
if (params.getSignaturePaddings().length > 0) {
throw new KeyStoreException("Signature paddings not supported for symmetric keys");
}
int[] keymasterPaddings = KeyProperties.EncryptionPadding.allToKeymaster(params.getEncryptionPaddings());
args.addEnums(KeymasterDefs.KM_TAG_PADDING, keymasterPaddings);
KeymasterUtils.addUserAuthArgs(args, params.isUserAuthenticationRequired(), params.getUserAuthenticationValidityDurationSeconds(), params.isUserAuthenticationValidWhileOnBody(), params.isInvalidatedByBiometricEnrollment());
KeymasterUtils.addMinMacLengthAuthorizationIfNecessary(args, keymasterAlgorithm, keymasterBlockModes, keymasterDigests);
args.addDateIfNotNull(KeymasterDefs.KM_TAG_ACTIVE_DATETIME, params.getKeyValidityStart());
args.addDateIfNotNull(KeymasterDefs.KM_TAG_ORIGINATION_EXPIRE_DATETIME, params.getKeyValidityForOriginationEnd());
args.addDateIfNotNull(KeymasterDefs.KM_TAG_USAGE_EXPIRE_DATETIME, params.getKeyValidityForConsumptionEnd());
if (((purposes & KeyProperties.PURPOSE_ENCRYPT) != 0) && (!params.isRandomizedEncryptionRequired())) {
// Permit caller-provided IV when encrypting with this key
args.addBoolean(KeymasterDefs.KM_TAG_CALLER_NONCE);
}
} catch (IllegalArgumentException | IllegalStateException e) {
throw new KeyStoreException(e);
}
Credentials.deleteAllTypesForAlias(mKeyStore, entryAlias, mUid);
String keyAliasInKeystore = Credentials.USER_SECRET_KEY + entryAlias;
int errorCode = mKeyStore.importKey(keyAliasInKeystore, args, KeymasterDefs.KM_KEY_FORMAT_RAW, keyMaterial, mUid, // flags
0, new KeyCharacteristics());
if (errorCode != KeyStore.NO_ERROR) {
throw new KeyStoreException("Failed to import secret key. Keystore error code: " + errorCode);
}
}
use of java.security.ProviderException in project android_frameworks_base by ResurrectionRemix.
the class AndroidKeyStoreHmacSpi method ensureKeystoreOperationInitialized.
private void ensureKeystoreOperationInitialized() throws InvalidKeyException {
if (mChunkedStreamer != null) {
return;
}
if (mKey == null) {
throw new IllegalStateException("Not initialized");
}
KeymasterArguments keymasterArgs = new KeymasterArguments();
keymasterArgs.addEnum(KeymasterDefs.KM_TAG_ALGORITHM, KeymasterDefs.KM_ALGORITHM_HMAC);
keymasterArgs.addEnum(KeymasterDefs.KM_TAG_DIGEST, mKeymasterDigest);
keymasterArgs.addUnsignedInt(KeymasterDefs.KM_TAG_MAC_LENGTH, mMacSizeBits);
OperationResult opResult = mKeyStore.begin(mKey.getAlias(), KeymasterDefs.KM_PURPOSE_SIGN, true, keymasterArgs, // no additional entropy needed for HMAC because it's deterministic
null, mKey.getUid());
if (opResult == null) {
throw new KeyStoreConnectException();
}
// Store operation token and handle regardless of the error code returned by KeyStore to
// ensure that the operation gets aborted immediately if the code below throws an exception.
mOperationToken = opResult.token;
mOperationHandle = opResult.operationHandle;
// If necessary, throw an exception due to KeyStore operation having failed.
InvalidKeyException e = KeyStoreCryptoOperationUtils.getInvalidKeyExceptionForInit(mKeyStore, mKey, opResult.resultCode);
if (e != null) {
throw e;
}
if (mOperationToken == null) {
throw new ProviderException("Keystore returned null operation token");
}
if (mOperationHandle == 0) {
throw new ProviderException("Keystore returned invalid operation handle");
}
mChunkedStreamer = new KeyStoreCryptoOperationChunkedStreamer(new KeyStoreCryptoOperationChunkedStreamer.MainDataStream(mKeyStore, mOperationToken));
}
use of java.security.ProviderException in project android_frameworks_base by ResurrectionRemix.
the class AndroidKeyStoreHmacSpi method engineDoFinal.
@Override
protected byte[] engineDoFinal() {
try {
ensureKeystoreOperationInitialized();
} catch (InvalidKeyException e) {
throw new ProviderException("Failed to reinitialize MAC", e);
}
byte[] result;
try {
result = mChunkedStreamer.doFinal(null, 0, 0, // no signature provided -- this invocation will generate one
null, // no additional entropy needed -- HMAC is deterministic
null);
} catch (KeyStoreException e) {
throw new ProviderException("Keystore operation failed", e);
}
resetWhilePreservingInitState();
return result;
}
use of java.security.ProviderException in project android_frameworks_base by ResurrectionRemix.
the class AndroidKeyStoreUnauthenticatedAESCipherSpi method loadAlgorithmSpecificParametersFromBeginResult.
@Override
protected final void loadAlgorithmSpecificParametersFromBeginResult(@NonNull KeymasterArguments keymasterArgs) {
mIvHasBeenUsed = true;
// NOTE: Keymaster doesn't always return an IV, even if it's used.
byte[] returnedIv = keymasterArgs.getBytes(KeymasterDefs.KM_TAG_NONCE, null);
if ((returnedIv != null) && (returnedIv.length == 0)) {
returnedIv = null;
}
if (mIvRequired) {
if (mIv == null) {
mIv = returnedIv;
} else if ((returnedIv != null) && (!Arrays.equals(returnedIv, mIv))) {
throw new ProviderException("IV in use differs from provided IV");
}
} else {
if (returnedIv != null) {
throw new ProviderException("IV in use despite IV not being used by this transformation");
}
}
}
use of java.security.ProviderException in project jdk8u_jdk by JetBrains.
the class FinalizeHalf method test.
static void test(String algo, Provider provider, boolean priv, Consumer<Key> method) throws Exception {
KeyPairGenerator generator;
try {
generator = KeyPairGenerator.getInstance(algo, provider);
} catch (NoSuchAlgorithmException nsae) {
return;
}
System.out.println("Checking " + provider.getName() + ", " + algo);
KeyPair pair = generator.generateKeyPair();
Key key = priv ? pair.getPrivate() : pair.getPublic();
pair = null;
for (int i = 0; i < 32; ++i) {
System.gc();
}
try {
method.accept(key);
} catch (ProviderException pe) {
failures++;
}
}
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