Examples with AlgorithmParameters java.security.AlgorithmParameters used on opensource projects

Example 26 with AlgorithmParameters

use of java.security.AlgorithmParameters in project platform_frameworks_base by android.

the class ESTHandler method buildCSR.

private byte[] buildCSR(ByteBuffer octetBuffer, OMADMAdapter omadmAdapter, HTTPHandler httpHandler) throws IOException, GeneralSecurityException {
    //Security.addProvider(new BouncyCastleProvider());
    Log.d(TAG, "/csrattrs:");
    /*
        byte[] octets = new byte[octetBuffer.remaining()];
        octetBuffer.duplicate().get(octets);
        for (byte b : octets) {
            System.out.printf("%02x ", b & 0xff);
        }
        */
    Collection<Asn1Object> csrs = Asn1Decoder.decode(octetBuffer);
    for (Asn1Object asn1Object : csrs) {
        Log.d(TAG, asn1Object.toString());
    }
    if (csrs.size() != 1) {
        throw new IOException("Unexpected object count in CSR attributes response: " + csrs.size());
    }
    Asn1Object sequence = csrs.iterator().next();
    if (sequence.getClass() != Asn1Constructed.class) {
        throw new IOException("Unexpected CSR attribute container: " + sequence);
    }
    String keyAlgo = null;
    Asn1Oid keyAlgoOID = null;
    String sigAlgo = null;
    String curveName = null;
    Asn1Oid pubCrypto = null;
    int keySize = -1;
    Map<Asn1Oid, ASN1Encodable> idAttributes = new HashMap<>();
    for (Asn1Object child : sequence.getChildren()) {
        if (child.getTag() == Asn1Decoder.TAG_OID) {
            Asn1Oid oid = (Asn1Oid) child;
            OidMappings.SigEntry sigEntry = OidMappings.getSigEntry(oid);
            if (sigEntry != null) {
                sigAlgo = sigEntry.getSigAlgo();
                keyAlgoOID = sigEntry.getKeyAlgo();
                keyAlgo = OidMappings.getJCEName(keyAlgoOID);
            } else if (oid.equals(OidMappings.sPkcs9AtChallengePassword)) {
                byte[] tlsUnique = httpHandler.getTLSUnique();
                if (tlsUnique != null) {
                    idAttributes.put(oid, new DERPrintableString(Base64.encodeToString(tlsUnique, Base64.DEFAULT)));
                } else {
                    Log.w(TAG, "Cannot retrieve TLS unique channel binding");
                }
            }
        } else if (child.getTag() == Asn1Decoder.TAG_SEQ) {
            Asn1Oid oid = null;
            Set<Asn1Oid> oidValues = new HashSet<>();
            List<Asn1Object> values = new ArrayList<>();
            for (Asn1Object attributeSeq : child.getChildren()) {
                if (attributeSeq.getTag() == Asn1Decoder.TAG_OID) {
                    oid = (Asn1Oid) attributeSeq;
                } else if (attributeSeq.getTag() == Asn1Decoder.TAG_SET) {
                    for (Asn1Object value : attributeSeq.getChildren()) {
                        if (value.getTag() == Asn1Decoder.TAG_OID) {
                            oidValues.add((Asn1Oid) value);
                        } else {
                            values.add(value);
                        }
                    }
                }
            }
            if (oid == null) {
                throw new IOException("Invalid attribute, no OID");
            }
            if (oid.equals(OidMappings.sExtensionRequest)) {
                for (Asn1Oid subOid : oidValues) {
                    if (OidMappings.isIDAttribute(subOid)) {
                        if (subOid.equals(OidMappings.sMAC)) {
                            idAttributes.put(subOid, new DERIA5String(omadmAdapter.getMAC()));
                        } else if (subOid.equals(OidMappings.sIMEI)) {
                            idAttributes.put(subOid, new DERIA5String(omadmAdapter.getImei()));
                        } else if (subOid.equals(OidMappings.sMEID)) {
                            idAttributes.put(subOid, new DERBitString(omadmAdapter.getMeid()));
                        } else if (subOid.equals(OidMappings.sDevID)) {
                            idAttributes.put(subOid, new DERPrintableString(omadmAdapter.getDevID()));
                        }
                    }
                }
            } else if (OidMappings.getCryptoID(oid) != null) {
                pubCrypto = oid;
                if (!values.isEmpty()) {
                    for (Asn1Object value : values) {
                        if (value.getTag() == Asn1Decoder.TAG_INTEGER) {
                            keySize = (int) ((Asn1Integer) value).getValue();
                        }
                    }
                }
                if (oid.equals(OidMappings.sAlgo_EC)) {
                    if (oidValues.isEmpty()) {
                        throw new IOException("No ECC curve name provided");
                    }
                    for (Asn1Oid value : oidValues) {
                        curveName = OidMappings.getJCEName(value);
                        if (curveName != null) {
                            break;
                        }
                    }
                    if (curveName == null) {
                        throw new IOException("Found no ECC curve for " + oidValues);
                    }
                }
            }
        }
    }
    if (keyAlgoOID == null) {
        throw new IOException("No public key algorithm specified");
    }
    if (pubCrypto != null && !pubCrypto.equals(keyAlgoOID)) {
        throw new IOException("Mismatching key algorithms");
    }
    if (keyAlgoOID.equals(OidMappings.sAlgo_RSA)) {
        if (keySize < MinRSAKeySize) {
            if (keySize >= 0) {
                Log.i(TAG, "Upgrading suggested RSA key size from " + keySize + " to " + MinRSAKeySize);
            }
            keySize = MinRSAKeySize;
        }
    }
    Log.d(TAG, String.format("pub key '%s', signature '%s', ECC curve '%s', id-atts %s", keyAlgo, sigAlgo, curveName, idAttributes));
    /*
          Ruckus:
            SEQUENCE:
              OID=1.2.840.113549.1.1.11 (algo_id_sha256WithRSAEncryption)

          RFC-7030:
            SEQUENCE:
              OID=1.2.840.113549.1.9.7 (challengePassword)
              SEQUENCE:
                OID=1.2.840.10045.2.1 (algo_id_ecPublicKey)
                SET:
                  OID=1.3.132.0.34 (secp384r1)
              SEQUENCE:
                OID=1.2.840.113549.1.9.14 (extensionRequest)
                SET:
                  OID=1.3.6.1.1.1.1.22 (mac-address)
              OID=1.2.840.10045.4.3.3 (eccdaWithSHA384)

              1L, 3L, 6L, 1L, 1L, 1L, 1L, 22
         */
    // ECC Does not appear to be supported currently
    KeyPairGenerator kpg = KeyPairGenerator.getInstance(keyAlgo);
    if (curveName != null) {
        AlgorithmParameters algorithmParameters = AlgorithmParameters.getInstance(keyAlgo);
        algorithmParameters.init(new ECNamedCurveGenParameterSpec(curveName));
        kpg.initialize(algorithmParameters.getParameterSpec(ECNamedCurveGenParameterSpec.class));
    } else {
        kpg.initialize(keySize);
    }
    KeyPair kp = kpg.generateKeyPair();
    X500Principal subject = new X500Principal("CN=Android, O=Google, C=US");
    mClientKey = kp.getPrivate();
    // !!! Map the idAttributes into an ASN1Set of values to pass to
    // the PKCS10CertificationRequest - this code is using outdated BC classes and
    // has *not* been tested.
    ASN1Set attributes;
    if (!idAttributes.isEmpty()) {
        ASN1EncodableVector payload = new DEREncodableVector();
        for (Map.Entry<Asn1Oid, ASN1Encodable> entry : idAttributes.entrySet()) {
            DERObjectIdentifier type = new DERObjectIdentifier(entry.getKey().toOIDString());
            ASN1Set values = new DERSet(entry.getValue());
            Attribute attribute = new Attribute(type, values);
            payload.add(attribute);
        }
        attributes = new DERSet(payload);
    } else {
        attributes = null;
    }
    return new PKCS10CertificationRequest(sigAlgo, subject, kp.getPublic(), attributes, mClientKey).getEncoded();
}

Example 27 with AlgorithmParameters

use of java.security.AlgorithmParameters in project platform_frameworks_base by android.

the class AndroidKeyStoreUnauthenticatedAESCipherSpi method engineGetParameters.

@Nullable
@Override
protected final AlgorithmParameters engineGetParameters() {
    if (!mIvRequired) {
        return null;
    }
    if ((mIv != null) && (mIv.length > 0)) {
        try {
            AlgorithmParameters params = AlgorithmParameters.getInstance("AES");
            params.init(new IvParameterSpec(mIv));
            return params;
        } catch (NoSuchAlgorithmException e) {
            throw new ProviderException("Failed to obtain AES AlgorithmParameters", e);
        } catch (InvalidParameterSpecException e) {
            throw new ProviderException("Failed to initialize AES AlgorithmParameters with an IV", e);
        }
    }
    return null;
}

Example 28 with AlgorithmParameters

use of java.security.AlgorithmParameters in project j2objc by google.

the class AlgorithmParametersTest method test_getProvider.

/**
     * java.security.AlgorithmParameters#getProvider()
     */
public void test_getProvider() throws Exception {
    // test: null value
    AlgorithmParameters ap = new DummyAlgorithmParameters(null, null, "AAA");
    assertNull(ap.getProvider());
    // test: not null value
    ap = new DummyAlgorithmParameters(null, p, "AAA");
    assertSame(p, ap.getProvider());
}

Example 29 with AlgorithmParameters

use of java.security.AlgorithmParameters in project j2objc by google.

the class AlgorithmParametersTest method test_toString.

/**
     * java.security.AlgorithmParameters#toString()
     */
public void test_toString() throws Exception {
    final String str = "AlgorithmParameters";
    MyAlgorithmParameters paramSpi = new MyAlgorithmParameters() {

        protected String engineToString() {
            return str;
        }
    };
    AlgorithmParameters params = new DummyAlgorithmParameters(paramSpi, p, "algorithm");
    assertNull("unititialized", params.toString());
    params.init(new byte[0]);
    assertSame(str, params.toString());
}

Example 30 with AlgorithmParameters

use of java.security.AlgorithmParameters in project j2objc by google.

the class AlgorithmParametersTest method test_initLjava_security_spec_AlgorithmParameterSpec.

/**
     * java.security.AlgorithmParameters#init(java.security.spec.AlgorithmParameterSpec)
     */
public void test_initLjava_security_spec_AlgorithmParameterSpec() throws Exception {
    //
    // test: corresponding spi method is invoked
    //
    final MyAlgorithmParameterSpec spec = new MyAlgorithmParameterSpec();
    MyAlgorithmParameters paramSpi = new MyAlgorithmParameters() {

        protected void engineInit(AlgorithmParameterSpec paramSpec) throws InvalidParameterSpecException {
            assertSame(spec, paramSpec);
            runEngineInit_AlgParamSpec = true;
        }
    };
    AlgorithmParameters params = new DummyAlgorithmParameters(paramSpi, p, "algorithm");
    params.init(spec);
    assertTrue(paramSpi.runEngineInit_AlgParamSpec);
    //
    try {
        params.init(spec);
        fail("No expected InvalidParameterSpecException");
    } catch (InvalidParameterSpecException e) {
    // expected
    }
    params = new DummyAlgorithmParameters(paramSpi, p, "algorithm");
    params.init(new byte[0]);
    try {
        params.init(spec);
        fail("No expected InvalidParameterSpecException");
    } catch (InvalidParameterSpecException e) {
    // expected
    }
    params = new DummyAlgorithmParameters(paramSpi, p, "algorithm");
    params.init(new byte[0], "format");
    try {
        params.init(spec);
        fail("No expected InvalidParameterSpecException");
    } catch (InvalidParameterSpecException e) {
    // expected
    }
    //
    // test: if paramSpec is null
    //
    paramSpi = new MyAlgorithmParameters() {

        protected void engineInit(AlgorithmParameterSpec paramSpec) throws InvalidParameterSpecException {
            // null is passed to spi-provider
            assertNull(paramSpec);
            runEngineInit_AlgParamSpec = true;
        }
    };
    params = new DummyAlgorithmParameters(paramSpi, p, "algorithm");
    params.init((AlgorithmParameterSpec) null);
    assertTrue(paramSpi.runEngineInit_AlgParamSpec);
}