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

Example 76 with KeyPairGenerator

use of java.security.KeyPairGenerator in project mobile-center-sdk-android by Microsoft.

the class CryptoRsaHandler method generateKey.

/*
     * We don't run this code prior to Android 4.4 hence no 4.3 secure random problem.
     */
@Override
@SuppressWarnings("deprecation")
@SuppressLint({ "InlinedApi", "TrulyRandom" })
public void generateKey(CryptoUtils.ICryptoFactory cryptoFactory, String alias, Context context) throws Exception {
    Calendar writeExpiry = Calendar.getInstance();
    writeExpiry.add(Calendar.YEAR, ENCRYPT_KEY_LIFETIME_IN_YEARS);
    KeyPairGenerator generator = KeyPairGenerator.getInstance(KeyProperties.KEY_ALGORITHM_RSA, ANDROID_KEY_STORE);
    generator.initialize(new KeyPairGeneratorSpec.Builder(context).setAlias(alias).setSubject(new X500Principal("CN=" + alias)).setStartDate(new Date()).setEndDate(writeExpiry.getTime()).setSerialNumber(BigInteger.TEN).setKeySize(RSA_KEY_SIZE).build());
    generator.generateKeyPair();
}

Example 77 with KeyPairGenerator

use of java.security.KeyPairGenerator in project OpenAM by OpenRock.

the class JwtSessionMapperTest method newKeyPair.

/**
     * Generate a random RSA public-private key pair.
     *
     * @return The public-private KeyPair.
     */
static KeyPair newKeyPair() {
    try {
        KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA");
        keyPairGenerator.initialize(1024);
        return keyPairGenerator.generateKeyPair();
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
        return null;
    }
}

Example 78 with KeyPairGenerator

use of java.security.KeyPairGenerator in project OpenAM by OpenRock.

the class KeyPairProviderImpl method newKeyPair.

private KeyPair newKeyPair(String algorithm, int keySize) {
    try {
        KeyPairGenerator generator = KeyPairGenerator.getInstance(algorithm);
        generator.initialize(keySize);
        return generator.generateKeyPair();
    } catch (NoSuchAlgorithmException nsaE) {
        throw new IllegalArgumentException("Unsupported key algorithm " + algorithm, nsaE);
    }
}

Example 79 with KeyPairGenerator

use of java.security.KeyPairGenerator in project OpenAM by OpenRock.

the class JwtGenerator method main.

public static void main(String[] args) throws Exception {
    if (args.length != 3) {
        System.out.println("Usage: JwtGenerator <subject> <issuer> <audience>");
        System.exit(1);
    }
    KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
    keyGen.initialize(512);
    KeyPair keyPair = keyGen.genKeyPair();
    PublicKey publicKey = keyPair.getPublic();
    long validTime = System.currentTimeMillis() + 1000 * 60 * 60 * 24 / 2;
    String jwt = new JwtBuilderFactory().jws(new SigningManager().newRsaSigningHandler(keyPair.getPrivate())).headers().alg(JwsAlgorithm.RS256).done().claims(new JwtClaimsSet(json(object(field("iss", args[0]), field("sub", args[1]), field("aud", args[2]), field("exp", validTime / 1000))).asMap())).build();
    System.out.println("JWT: " + jwt);
    Calendar expiry = Calendar.getInstance();
    expiry.add(Calendar.DAY_OF_YEAR, 7);
    X509CertInfo info = new X509CertInfo();
    CertificateValidity interval = new CertificateValidity(new Date(), new Date(validTime));
    BigInteger sn = new BigInteger(64, new SecureRandom());
    X500Name owner = new X500Name("CN=ForgeRock,L=Bristol,C=GB");
    info.set(X509CertInfo.VALIDITY, interval);
    info.set(X509CertInfo.SERIAL_NUMBER, new CertificateSerialNumber(sn));
    info.set(X509CertInfo.SUBJECT, new CertificateSubjectName(owner));
    info.set(X509CertInfo.ISSUER, new CertificateIssuerName(owner));
    info.set(X509CertInfo.KEY, new CertificateX509Key(publicKey));
    info.set(X509CertInfo.VERSION, new CertificateVersion(CertificateVersion.V3));
    AlgorithmId algo = new AlgorithmId(AlgorithmId.sha256WithRSAEncryption_oid);
    info.set(X509CertInfo.ALGORITHM_ID, new CertificateAlgorithmId(algo));
    // Sign the cert to identify the algorithm that's used.
    X509CertImpl cert = new X509CertImpl(info);
    cert.sign(keyPair.getPrivate(), "SHA256withRSA");
    System.out.println("Certificate:");
    BASE64Encoder encoder = new BASE64Encoder();
    System.out.println(X509Factory.BEGIN_CERT);
    encoder.encodeBuffer(cert.getEncoded(), System.out);
    System.out.println(X509Factory.END_CERT);
}

Example 80 with KeyPairGenerator

use of java.security.KeyPairGenerator in project android_frameworks_base by ResurrectionRemix.

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();
}