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Example 31 with ProviderException

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);
    }
}
Also used : KeymasterArguments(android.security.keymaster.KeymasterArguments) ProviderException(java.security.ProviderException) KeyStoreException(java.security.KeyStoreException) KeyProtection(android.security.keystore.KeyProtection) KeyCharacteristics(android.security.keymaster.KeyCharacteristics)

Example 32 with ProviderException

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));
}
Also used : KeymasterArguments(android.security.keymaster.KeymasterArguments) ProviderException(java.security.ProviderException) OperationResult(android.security.keymaster.OperationResult) InvalidKeyException(java.security.InvalidKeyException)

Example 33 with ProviderException

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;
}
Also used : ProviderException(java.security.ProviderException) KeyStoreException(android.security.KeyStoreException) InvalidKeyException(java.security.InvalidKeyException)

Example 34 with ProviderException

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");
        }
    }
}
Also used : ProviderException(java.security.ProviderException)

Example 35 with ProviderException

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++;
    }
}
Also used : KeyPair(java.security.KeyPair) ProviderException(java.security.ProviderException) KeyPairGenerator(java.security.KeyPairGenerator) NoSuchAlgorithmException(java.security.NoSuchAlgorithmException) Key(java.security.Key)

Aggregations

ProviderException (java.security.ProviderException)128 KeymasterArguments (android.security.keymaster.KeymasterArguments)30 InvalidKeyException (java.security.InvalidKeyException)26 OperationResult (android.security.keymaster.OperationResult)25 KeyStoreException (android.security.KeyStoreException)20 KeyCharacteristics (android.security.keymaster.KeyCharacteristics)20 DERBitString (com.android.org.bouncycastle.asn1.DERBitString)15 InvalidAlgorithmParameterException (java.security.InvalidAlgorithmParameterException)15 BigInteger (java.math.BigInteger)13 IOException (java.io.IOException)12 NoSuchAlgorithmException (java.security.NoSuchAlgorithmException)12 ASN1Integer (com.android.org.bouncycastle.asn1.ASN1Integer)10 DERInteger (com.android.org.bouncycastle.asn1.DERInteger)10 ByteArrayOutputStream (java.io.ByteArrayOutputStream)10 RSAKeyGenParameterSpec (java.security.spec.RSAKeyGenParameterSpec)10 GeneralSecurityException (java.security.GeneralSecurityException)6 KeyStoreException (java.security.KeyStoreException)6 NoSuchProviderException (java.security.NoSuchProviderException)6 KeymasterCertificateChain (android.security.keymaster.KeymasterCertificateChain)5 KeyProtection (android.security.keystore.KeyProtection)5