public static void main(String[] args) throws Exception {
// Generate 20 serial numbers with dup and a special order
int count = 20;
BigInteger[] serials = new BigInteger[count];
for (int i = 0; i < count; i++) {
serials[i] = BigInteger.valueOf(i * 7 % 10);
}
// Generates a CRL
X509CRLEntry[] badCerts = new X509CRLEntry[count];
for (int i = 0; i < count; i++) {
badCerts[i] =
new X509CRLEntryImpl(serials[i], new Date(System.currentTimeMillis() + i * 1000));
}
X500Name owner = new X500Name("CN=CA");
X509CRLImpl crl = new X509CRLImpl(owner, new Date(), new Date(), badCerts);
KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA");
crl.sign(kpg.genKeyPair().getPrivate(), "SHA1withRSA");
byte[] data = crl.getEncodedInternal();
// Check the encoding
checkData(crl, data, serials);
// Load a CRL from raw data
CertificateFactory cf = CertificateFactory.getInstance("X.509");
X509CRLImpl crl2 = (X509CRLImpl) cf.generateCRL(new ByteArrayInputStream(data));
// Check the encoding again
data = crl2.getEncodedInternal();
checkData(crl2, data, serials);
}
@Override
public void setAlgorithm(KeyAgreementType dhMode) {
if (keyType != null && keyType.keyType == dhMode.keyType) return;
keyType = dhMode;
KeyPairGenerator kpg = null;
try {
switch (keyType.keyType) {
case KeyAgreementType.DH_MODE_DH3K:
algorithm = "DH";
kpg = KeyPairGenerator.getInstance(algorithm, "ZBC");
kpg.initialize(576);
keyPair = kpg.genKeyPair();
break;
case KeyAgreementType.DH_MODE_EC25:
algorithm = "ECDH";
kpg = KeyPairGenerator.getInstance(algorithm, "ZBC");
// kpg.initialize(256);
kpg.initialize(ECNamedCurveTable.getParameterSpec("P-256"));
keyPair = kpg.genKeyPair();
break;
case KeyAgreementType.DH_MODE_EC38:
algorithm = "ECDH";
kpg = KeyPairGenerator.getInstance(algorithm, "ZBC");
// kpg.initialize(384);
kpg.initialize(ECNamedCurveTable.getParameterSpec("P-384"));
keyPair = kpg.genKeyPair();
break;
default:
break;
}
keyFactory = KeyFactory.getInstance(algorithm, "ZBC");
} catch (Exception e) {
e.printStackTrace();
}
}
public void generateLocalKeyPair(String fullUserId) {
String userId = Address.stripResource(fullUserId);
OtrDebugLogger.log("generating local key pair for: " + userId);
KeyPair keyPair;
try {
KeyPairGenerator kpg = KeyPairGenerator.getInstance(KEY_ALG);
kpg.initialize(KEY_SIZE);
keyPair = kpg.genKeyPair();
} catch (NoSuchAlgorithmException e) {
OtrDebugLogger.log("no such algorithm", e);
return;
}
OtrDebugLogger.log("SUCCESS! generating local key pair for: " + userId);
// Store Private Key.
PrivateKey privKey = keyPair.getPrivate();
PKCS8EncodedKeySpec pkcs8EncodedKeySpec = new PKCS8EncodedKeySpec(privKey.getEncoded());
this.store.setProperty(userId + ".privateKey", pkcs8EncodedKeySpec.getEncoded());
// Store Public Key.
PublicKey pubKey = keyPair.getPublic();
storeLocalPublicKey(userId, pubKey);
store.save();
}
/*
* Get a temporary RSA KeyPair.
*/
KeyPair getRSAKeyPair(boolean export, SecureRandom random) {
int length, index;
if (ExportControl.hasStrongCrypto && !export) {
length = 1024;
index = INDEX_RSA512;
} else {
length = 512;
index = INDEX_RSA1024;
}
KeyPair kp;
EphemeralKeyPair ekp = keys[index];
synchronized (ekp) {
kp = ekp.getKeyPair();
if (kp == null) {
try {
KeyPairGenerator kgen = KeyPairGenerator.getInstance("RSA");
kgen.initialize(length, random);
ekp = new EphemeralKeyPair(kgen.genKeyPair());
kp = ekp.getKeyPair();
keys[index] = ekp;
} catch (Exception e) {
// ignore
}
}
}
return kp;
}
@Test
public void testApply() {
final Crypto crypto = createMock(Crypto.class);
KeyPairGenerator rsaKeyPairGenerator = createMock(KeyPairGenerator.class);
final SecureRandom secureRandom = createMock(SecureRandom.class);
expect(crypto.rsaKeyPairGenerator()).andReturn(rsaKeyPairGenerator);
rsaKeyPairGenerator.initialize(2048, secureRandom);
expect(rsaKeyPairGenerator.genKeyPair()).andReturn(keyPair);
replay(crypto, rsaKeyPairGenerator, secureRandom);
RsaSshKeyPairGenerator supplier =
Guice.createInjector(
new AbstractModule() {
protected void configure() {
bind(Crypto.class).toInstance(crypto);
bind(SecureRandom.class).toInstance(secureRandom);
}
})
.getInstance(RsaSshKeyPairGenerator.class);
assertEquals(
supplier.get(),
ImmutableMap.of(
"public", openSshKey, "private", PRIVATE_KEY.replaceAll("\n", lineSeparator)));
verify(crypto, rsaKeyPairGenerator, secureRandom);
}
public void init(int key_size) throws Exception {
String name = null;
if (key_size == 256) name = "secp256r1";
else if (key_size == 384) name = "secp384r1";
else if (key_size == 521) name = "secp521r1";
else throw new JSchException("unsupported key size: " + key_size);
for (int i = 0; i < 1000; i++) {
KeyPairGenerator kpg = KeyPairGenerator.getInstance("EC");
ECGenParameterSpec ecsp = new ECGenParameterSpec(name);
kpg.initialize(ecsp);
KeyPair kp = kpg.genKeyPair();
prvKey = (ECPrivateKey) kp.getPrivate();
pubKey = (ECPublicKey) kp.getPublic();
params = pubKey.getParams();
d = ((ECPrivateKey) prvKey).getS().toByteArray();
ECPoint w = pubKey.getW();
r = w.getAffineX().toByteArray();
s = w.getAffineY().toByteArray();
if (r.length != s.length) continue;
if (key_size == 256 && r.length == 32) break;
if (key_size == 384 && r.length == 48) break;
if (key_size == 521 && r.length == 66) break;
}
if (d.length < r.length) {
d = insert0(d);
}
}
public KeyPair generateKeyPair() {
try {
KeyPairGenerator generator = KeyPairGenerator.getInstance(ALGORITHM_RSA);
generator.initialize(2048);
return generator.genKeyPair();
} catch (NoSuchAlgorithmException e) {
throw new IllegalStateException(e);
}
}
private static PrivateKey getPrivateKey() throws Exception {
if (PRIVATE_KEY == null) {
KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("DSA");
keyPairGenerator.initialize(1024, new SecureRandom());
KeyPair keyPair = keyPairGenerator.genKeyPair();
PRIVATE_KEY = keyPair.getPrivate();
}
return PRIVATE_KEY;
}
public static void main(String args[]) {
try {
// ReceiveMessageInterface rmiclient;
RmiServer server = new RmiServer();
// rmiclient=(ReceiveMessageInterface)(registry.lookup("rmiclient"));
// rmiclient.generateKeys(publicKey);
KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
keyGen.initialize(1024);
KeyPair keypair = keyGen.genKeyPair();
publicKey = keypair.getPublic();
privateKey = keypair.getPrivate();
BufferedImage image = ImageIO.read(new File("/home/subba/Desktop/test/iris1.bmp"));
// write it to byte array in-memory (jpg format)
ByteArrayOutputStream b = new ByteArrayOutputStream();
ImageIO.write(image, "bmp", b);
// do whatever with the array...
byte[] jpgByteArray = b.toByteArray();
// convert it to a String with 0s and 1s
StringBuilder sb = new StringBuilder();
int i = 0;
for (byte by : jpgByteArray) {
i++;
if (i > 366) break;
sb.append(Integer.toBinaryString(by & 0xFF));
}
sb.append("0000000000000000000000000000000000000000000");
System.out.println(sb.toString().length());
System.out.println(sb.toString());
int token = 170;
StringBuilder sb1 = new StringBuilder();
sb1.append(Integer.toBinaryString(token));
for (int j = 0; j < 102; j++) {
sb1.append("00000000000000000000");
}
System.out.println("Binary is " + sb1.length());
for (i = 0; i < sb.length(); i++) {
bioTemplate.append(sb.charAt(i) ^ sb1.charAt(i));
}
/*MessageDigest digest = MessageDigest.getInstance("SHA-256");
byte[] hashvalue=serviceProviderKey.getBytes();
digest.update(hashvalue);
Phashdigest=digest.digest();
*/
securePassword = getSecurePassword(serviceProviderKey, "200");
System.out.println(securePassword);
} catch (Exception e) {
e.printStackTrace();
System.exit(1);
}
}
public static void requestToken(final Context context) throws Exception {
// Generate RSA key pairs
KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
keyGen.initialize(1024);
final KeyPair keypair = keyGen.genKeyPair();
byte[] publicKey = keypair.getPublic().getEncoded();
String public_key =
"-----BEGIN PUBLIC KEY-----\\n"
+ Base64.encodeToString(publicKey, Base64.NO_WRAP)
+ "\\n-----END PUBLIC KEY-----\\n";
// request Key
String url = StateData.ServerAddress + "client/get_key";
String data = "{\"public\":\"" + public_key + "\"}";
Handler handler =
new Handler() {
public void handleMessage(Message msg) {
try {
String response = (String) msg.obj;
// token parse
if (!response.contains(ENC_DATA)) {
Log.v("", "enc data does not exist");
return;
}
String enc_data = Encryptor.getJsonToken(response, ENC_DATA);
Cipher rsa;
rsa = Cipher.getInstance("RSA");
rsa.init(Cipher.DECRYPT_MODE, keypair.getPrivate());
byte[] utf8 = rsa.doFinal(Base64.decode(enc_data, Base64.NO_WRAP));
String enc_data2 = new String(utf8, "UTF8");
Encryptor.baseKey = Encryptor.getJsonToken(enc_data2, "basekey");
Encryptor.token = Encryptor.getJsonToken(enc_data2, "token");
SharedPreferences prefs =
context.getSharedPreferences(Encryptor.ENCRYPTION, Context.MODE_PRIVATE);
Editor editor = prefs.edit();
editor.putString(Encryptor.ENCRYPTION_BASE_KEY, Encryptor.baseKey);
editor.putString(Encryptor.ENCRYPTION_TOKEN, Encryptor.token);
editor.commit();
} catch (Exception e) {
e.printStackTrace();
}
}
};
Network network = new Network();
network.setNetworkOption(url, data, Method.POST, false);
network.setHandler(handler);
network.start();
}
/**
* 随机生成RSA密钥对
*
* @param keyLength 密钥长度，范围：512～2048<br>
* 一般1024
* @return
*/
public static KeyPair generateRSAKeyPair(int keyLength) {
try {
KeyPairGenerator kpg = KeyPairGenerator.getInstance(RSA);
kpg.initialize(keyLength);
return kpg.genKeyPair();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
return null;
}
}
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);
}
public void rsaCypher(String rString, InputStream inputStream, File directory)
throws InvalidKeyException, NoSuchPaddingException, NoSuchAlgorithmException, IOException,
BadPaddingException, IllegalBlockSizeException {
kpg = KeyPairGenerator.getInstance("RSA");
kpg.initialize(1024);
kp = kpg.genKeyPair();
privateKey = kp.getPrivate();
cipher = Cipher.getInstance("RSA");
File root = new File(Environment.getExternalStorageDirectory() + "/Notes/", "rsapublick.txt");
// Read text from file
if (root.exists()) {
StringBuilder text = new StringBuilder();
try {
BufferedReader br = new BufferedReader(new FileReader(root));
String line;
while ((line = br.readLine()) != null) {
text.append(line);
text.append('\n');
}
br.close();
byte[] keyBytes = Base64.decode(text.toString().getBytes("utf-8"), 0);
X509EncodedKeySpec spec = new X509EncodedKeySpec(keyBytes);
KeyFactory keyFactory = KeyFactory.getInstance("RSA");
publicKey = keyFactory.generatePublic(spec);
} catch (IOException e) {
// You'll need to add proper error handling here
} catch (InvalidKeySpecException e) {
e.printStackTrace();
}
} else {
publicKey = kp.getPublic();
byte[] pKbytes = Base64.encode(publicKey.getEncoded(), 0);
String pK = new String(pKbytes);
String pubKey = "-----BEGIN public KEY-----\n" + pK + "-----END public KEY-----\n";
System.out.println(pubKey);
generateNoteOnSD("rsapublick.txt", pK, directorio);
}
this.cipher.init(Cipher.ENCRYPT_MODE, publicKey);
byte[] bytes = getBytesFromInputStream(inputStream);
byte[] encrypted = blockCipher(bytes, Cipher.ENCRYPT_MODE);
FileOutputStream fileOutputStream = new FileOutputStream(directory);
fileOutputStream.write(encrypted);
fileOutputStream.close();
System.out.println("Encryptado RSA Finalizado");
root = new File(Environment.getExternalStorageDirectory() + "/Notes/", "rsaOrivatek.txt");
if (!root.exists()) {
byte[] pKbytes = Base64.encode(getPrivateKey().getEncoded(), 0);
String pK = new String(pKbytes);
String pubKey = "-----BEGIN private KEY-----\n" + pK + "-----END private KEY-----\n";
System.out.println(pubKey);
generateNoteOnSD("rsaOrivatek.txt", pK, directorio);
}
}
/** @return keyPair */
public static KeyPair generateKeyPair() {
long ts = System.currentTimeMillis();
try {
KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance(KEY_ALGO, "BC");
keyPairGenerator.initialize(1024);
KeyPair keyPair = keyPairGenerator.genKeyPair();
log.trace("Generate msgSignatureKeyPair needed {} ms", System.currentTimeMillis() - ts);
return keyPair;
} catch (NoSuchAlgorithmException | NoSuchProviderException e) {
e.printStackTrace();
throw new RuntimeException("Could not create key.");
}
}
public static String Go(String rsa_len) throws NoSuchAlgorithmException {
KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
keyGen.initialize(Integer.valueOf(rsa_len));
byte[] publicKey = keyGen.genKeyPair().getPublic().getEncoded();
StringBuffer retString = new StringBuffer();
for (int i = 0; i < publicKey.length; ++i) {
retString.append(Integer.toHexString(0x0100 + (publicKey[i] & 0x00FF)).substring(1));
}
return retString.toString();
}
public static KeyPair getRSAKeyPair() {
KeyPairGenerator keyPairGenerator = null;
KeyPair keyPair = null;
try {
keyPairGenerator = KeyPairGenerator.getInstance("RSA");
keyPairGenerator.initialize(Constants.KEY_NO_OF_BITS);
keyPair = keyPairGenerator.genKeyPair();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
return keyPair;
}
@Override
public KeyPair getLocalKeyPair(SessionID arg0) throws OtrException {
if (this.keyPair == null) {
KeyPairGenerator kg;
try {
kg = KeyPairGenerator.getInstance("DSA");
this.keyPair = kg.genKeyPair();
this.saveKey();
mXmppConnectionService.databaseBackend.updateAccount(account);
} catch (NoSuchAlgorithmException e) {
Log.d(Config.LOGTAG, "error generating key pair " + e.getMessage());
}
}
return this.keyPair;
}
public RSAKeyPair() {
KeyPairGenerator keyGen = null;
try {
keyGen = KeyPairGenerator.getInstance("RSA");
} catch (NoSuchAlgorithmException e) {
throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, e);
}
keyGen.initialize(512);
java.security.KeyPair keyPair = keyGen.genKeyPair();
privateKey = keyPair.getPrivate();
publicKey = keyPair.getPublic();
X509EncodedKeySpec x509EncodedKeySpec = new X509EncodedKeySpec(publicKey.getEncoded());
pubKeyStr = Base64.byteArrayToBase64(x509EncodedKeySpec.getEncoded());
}
private final KeyPair[] loadRSAKeys() {
final KeyPair[] keyPairs = new KeyPair[KEYS_SIZE];
try {
final KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
final RSAKeyGenParameterSpec spec =
new RSAKeyGenParameterSpec(512, RSAKeyGenParameterSpec.F4);
keyGen.initialize(spec);
for (int i = 0; i < KEYS_SIZE; i++) {
keyPairs[i] = keyGen.genKeyPair();
}
} catch (Exception e) {
}
return keyPairs;
}
@Security.Authenticated(SignedIn.class)
public Result generateKey(String applicationId) throws IOException {
Logger.info(String.format("Generating new key pair for %s", applicationId));
KeyPair keyPair = keyPairGenerator.genKeyPair();
Application app = Application.find.byId(applicationId);
app.key = keyPair.getPublic().getEncoded();
app.save();
String filename = "privatekey-" + applicationId + ".pem";
String filepath = "generated_keys/" + filename;
File pemfile = new File(filepath);
pemfile.getParentFile().mkdirs();
PemObject pemObject = new PemObject(PEM_FILE_HEADER, keyPair.getPrivate().getEncoded());
PemWriter writer = new PemWriter(new FileWriter(pemfile));
writer.writeObject(pemObject);
writer.flush();
writer.close();
response().setContentType("application/x-download");
response().setHeader("Content-disposition", "attachment; filename=" + filename);
return ok(pemfile);
}
/**
* 生成密钥对
*
* @return KeyPair
* @throws Exception
*/
public static KeyPair generateKeyPair() throws Exception {
try {
KeyPairGenerator keyPairGen =
KeyPairGenerator.getInstance(
"RSA", new org.bouncycastle.jce.provider.BouncyCastleProvider());
final int KEY_SIZE = 1024; // 没什么好说的了，这个值关系到块加密的大小，可以更改，但是不要太大，否则效率会低
keyPairGen.initialize(KEY_SIZE, new SecureRandom());
KeyPair keyPair = keyPairGen.genKeyPair();
return keyPair;
} catch (Exception e) {
throw new Exception(e.getMessage());
}
}
public static void Main() {
try {
String path = "C:/Users/LENOVO/workspace/RSA";
KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
keyGen.initialize(4096);
generatedKeyPair = keyGen.genKeyPair();
// System.out.println("Generated Key Pair");
// dumpKeyPair(generatedKeyPair);
// SaveKeyPair(path, generatedKeyPair);
// KeyPair loadedKeyPair = LoadKeyPair(path, "RSA");
// System.out.println("Loaded Key Pair");
// dumpKeyPair(loadedKeyPair);
} catch (Exception e) {
e.printStackTrace();
return;
}
}
@Kroll.method
public KrollDict generateKeyPair() {
// generate key pair
//
KrollDict arg = new KrollDict();
try {
KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA");
kpg.initialize(1024);
KeyPair kp = kpg.genKeyPair();
publicKey = kp.getPublic();
privateKey = kp.getPrivate();
arg.put("privateKey", Base64.encodeToString(privateKey.getEncoded(), Base64.NO_WRAP));
arg.put("publicKey", Base64.encodeToString(publicKey.getEncoded(), Base64.NO_WRAP));
} catch (Exception e) {
Log.e(TAG, "RSA key pair error");
}
return arg;
}
/*
* 产生RSA公私钥对
*/
public static void genRSAKeyPair() {
KeyPairGenerator rsaKeyGen = null;
KeyPair rsaKeyPair = null;
try {
System.out.println("Generating a pair of RSA key ... ");
rsaKeyGen = KeyPairGenerator.getInstance("RSA");
SecureRandom random = new SecureRandom();
random.setSeed(System.currentTimeMillis());
// rsaKeyGen.initialize(1024, random);
rsaKeyGen.initialize(1024);
rsaKeyPair = rsaKeyGen.genKeyPair();
PublicKey rsaPublic = rsaKeyPair.getPublic();
PrivateKey rsaPrivate = rsaKeyPair.getPrivate();
System.out.println("公钥：" + bytesToHexStr(rsaPublic.getEncoded()));
System.out.println("私钥：" + bytesToHexStr(rsaPrivate.getEncoded()));
System.out.println("1024-bit RSA key GENERATED.");
} catch (Exception e) {
System.out.println("genRSAKeyPair：" + e);
}
}
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
String param = "";
boolean flag = true;
java.util.Enumeration<String> names = request.getHeaderNames();
while (names.hasMoreElements() && flag) {
String name = (String) names.nextElement();
java.util.Enumeration<String> values = request.getHeaders(name);
if (values != null) {
while (values.hasMoreElements() && flag) {
String value = (String) values.nextElement();
if (value.equals("vector")) {
param = name;
flag = false;
}
}
}
}
String bar = new Test().doSomething(param);
// Code based on example from:
// http://examples.javacodegeeks.com/core-java/crypto/encrypt-decrypt-file-stream-with-des/
try {
javax.crypto.Cipher c = javax.crypto.Cipher.getInstance("RSA/ECB/PKCS1Padding", "SunJCE");
// Prepare the cipher to encrypt
java.security.KeyPairGenerator keyGen = java.security.KeyPairGenerator.getInstance("RSA");
keyGen.initialize(1024);
java.security.PublicKey publicKey = keyGen.genKeyPair().getPublic();
c.init(javax.crypto.Cipher.ENCRYPT_MODE, publicKey);
// encrypt and store the results
byte[] input = {(byte) '?'};
Object inputParam = bar;
if (inputParam instanceof String) input = ((String) inputParam).getBytes();
if (inputParam instanceof java.io.InputStream) {
byte[] strInput = new byte[1000];
int i = ((java.io.InputStream) inputParam).read(strInput);
if (i == -1) {
response
.getWriter()
.println(
"This input source requires a POST, not a GET. Incompatible UI for the InputStream source.");
return;
}
input = java.util.Arrays.copyOf(strInput, i);
}
byte[] result = c.doFinal(input);
java.io.File fileTarget =
new java.io.File(
new java.io.File(org.owasp.benchmark.helpers.Utils.testfileDir), "passwordFile.txt");
java.io.FileWriter fw =
new java.io.FileWriter(fileTarget, true); // the true will append the new data
fw.write(
"secret_value=" + org.owasp.esapi.ESAPI.encoder().encodeForBase64(result, true) + "\n");
fw.close();
response
.getWriter()
.println(
"Sensitive value: '"
+ org.owasp.esapi.ESAPI.encoder().encodeForHTML(new String(input))
+ "' encrypted and stored<br/>");
} catch (java.security.NoSuchAlgorithmException e) {
response
.getWriter()
.println(
"Problem executing crypto - javax.crypto.Cipher.getInstance(java.lang.String,java.security.Provider) Test Case");
e.printStackTrace(response.getWriter());
throw new ServletException(e);
} catch (java.security.NoSuchProviderException e) {
response
.getWriter()
.println(
"Problem executing crypto - javax.crypto.Cipher.getInstance(java.lang.String,java.security.Provider) Test Case");
e.printStackTrace(response.getWriter());
throw new ServletException(e);
} catch (javax.crypto.NoSuchPaddingException e) {
response
.getWriter()
.println(
"Problem executing crypto - javax.crypto.Cipher.getInstance(java.lang.String,java.security.Provider) Test Case");
e.printStackTrace(response.getWriter());
throw new ServletException(e);
} catch (javax.crypto.IllegalBlockSizeException e) {
response
.getWriter()
.println(
"Problem executing crypto - javax.crypto.Cipher.getInstance(java.lang.String,java.security.Provider) Test Case");
e.printStackTrace(response.getWriter());
throw new ServletException(e);
} catch (javax.crypto.BadPaddingException e) {
response
.getWriter()
.println(
"Problem executing crypto - javax.crypto.Cipher.getInstance(java.lang.String,java.security.Provider) Test Case");
e.printStackTrace(response.getWriter());
throw new ServletException(e);
} catch (java.security.InvalidKeyException e) {
response
.getWriter()
.println(
"Problem executing crypto - javax.crypto.Cipher.getInstance(java.lang.String,java.security.Provider) Test Case");
e.printStackTrace(response.getWriter());
throw new ServletException(e);
}
response
.getWriter()
.println(
"Crypto Test javax.crypto.Cipher.getInstance(java.lang.String,java.lang.String) executed");
} // end doPost
public static void testGenP12() throws Exception {
String rootCerBase64 =
"MIIDvTCCAqWgAwIBAgIEEioP6zANBgkqhkiG9w0BAQsFADCBjjELMAkGA1UEBhMC"
+ "Q04xETAPBgNVBAgTCHNoYW5naGFpMREwDwYDVQQHEwhzaGFuZ2hhaTEzMDEGA1UE"
+ "Cgwq5LiK5rW36YeR6bm/6YeR6J6N5L+h5oGv5pyN5Yqh5pyJ6ZmQ5YWs5Y+4MQsw"
+ "CQYDVQQLEwJJVDEXMBUGA1UEAxMOb3Blbi5qbGZleC5jb20wHhcNMTQwODIxMDM0"
+ "NTQ5WhcNMjQwODE4MDM0NTQ5WjCBjjELMAkGA1UEBhMCQ04xETAPBgNVBAgTCHNo"
+ "YW5naGFpMREwDwYDVQQHEwhzaGFuZ2hhaTEzMDEGA1UECgwq5LiK5rW36YeR6bm/"
+ "6YeR6J6N5L+h5oGv5pyN5Yqh5pyJ6ZmQ5YWs5Y+4MQswCQYDVQQLEwJJVDEXMBUG"
+ "A1UEAxMOb3Blbi5qbGZleC5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEK"
+ "AoIBAQCQ4q4Yh8EPHbAP+BMiystXOEV56OE+IUwxSS7fRZ3ZrIEPImpnCiAe1txZ"
+ "vk0Lgv8ZWqrj4ErOT5FoOWfQW6Vva1DOXknCzFbypJMjqVnIS1/OwB64sYg4naLc"
+ "mM95GAHtEv9qxIWLbPhoLShz54znRNbM7mZJyT4BwLhKuKmfdo3UEuXvcoUFLN2l"
+ "f2wiTNmgMgpxcnCsWAx2nJaonPGCVXeQu0PXCVmCTyUUCWdT7P1io5yEpuRP/Dac"
+ "//g7Em8rkulgeO7e3gnEbrgrczsr2H1KJLTBjQmyWeWZg7LRYML6oHODrrDb0x++"
+ "yDT01p2BJHlvw/UzJq3I/CCci0lFAgMBAAGjITAfMB0GA1UdDgQWBBS1Lo57VqvU"
+ "BnfyJu51JO9csLJenjANBgkqhkiG9w0BAQsFAAOCAQEACcfPaVl5PIkBZ6cXyHuj"
+ "rJZkZH7Koqhx12DNeCoohdQkRda/gWeHVPsO7snK63sFhoY08OGVgvTRhgzwSBxJ"
+ "cx9GkCyojfHo5xZoOlSQ01PygyScd42DlseNiwXZGBfoxacLEYkIP6OXrDa+wNAP"
+ "gHnLI+37tzkafoPT0xoV/E9thvUUKX1jSIL5UCoGuso6FWLiZgDxD8wKgd22FcYo"
+ "T7B7DHG4R+0rgav81J9xjgOR3ayvNrb86iVvVBmrIiM7Gc2hf5PMiiAOaISST2cJ"
+ "x90X7TUA/f0qrYKveTvkRT77nLfzHV1a+PTS7PwkCXUt/NRm4VwseyGIgQ4FXH6W"
+ "zw==";
// 解析root CA 证书
X509Certificate rootcaCertificate =
CertificateCoder.getX509Certificate(Base64.decodeBase64(rootCerBase64));
// 解析root CA 私钥
String rootcaDer = FileUtils.readFileToString(new File("d:\\rootcakey.pem"), "UTF-8");
PrivateKey rootcaPrivateKey = PKCSCertificateCoder.getPrivateKeyFromPem(rootcaDer, "");
System.out.println(rootcaPrivateKey);
// 1.生成用户密钥对
Security.addProvider(new BouncyCastleProvider());
KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA", "BC");
kpg.initialize(2048);
KeyPair kp = kpg.genKeyPair();
// 2.生成用户证书请求
PKCS10CertificationRequest p10 = genPKCS10(kp);
SubjectPublicKeyInfo subPublicKeyInfo = p10.getSubjectPublicKeyInfo();
RSAKeyParameters rsa = (RSAKeyParameters) PublicKeyFactory.createKey(subPublicKeyInfo);
RSAPublicKeySpec rsaSpec = new RSAPublicKeySpec(rsa.getModulus(), rsa.getExponent());
KeyFactory kf = KeyFactory.getInstance("RSA");
PublicKey publicKey = kf.generatePublic(rsaSpec);
// 3.生成用户证书
X509Certificate clientCertificate =
buildEndEntityCert(publicKey, rootcaPrivateKey, rootcaCertificate);
FileUtils.writeByteArrayToFile(new File("d:\\client.cer"), clientCertificate.getEncoded());
// 4.生成用户p12文件
storeP12(
kp,
new X509Certificate[] {clientCertificate, rootcaCertificate},
"d:\\client.p12",
"123456");
FileOutputStream fos = new FileOutputStream(new File("d:\\client1.p12"));
X509Certificate[] chain =
new X509Certificate[] {rootcaCertificate, clientCertificate, clientCertificate};
genPKCS12File(fos, kp.getPrivate(), chain);
}
/** Generates a encrypted private key and certificate request. */
public static void genCertificateRequest(
String dname,
String emailAddressOfCA,
String password,
String privKeyLoc,
String certLoc,
String certReqLoc)
throws Exception {
String sigAlgName = "MD5WithRSA";
String keyAlgName = "RSA";
CertUtil.init();
// Generate a new key pair.
KeyPairGenerator keygen = KeyPairGenerator.getInstance(keyAlgName);
KeyPair keyPair = keygen.genKeyPair();
PrivateKey privKey = keyPair.getPrivate();
PublicKey pubKey = keyPair.getPublic();
// Generate the certificate request.
X509Name name = new X509Name(dname);
DERConstructedSet derSet = new DERConstructedSet();
PKCS10CertificationRequest request =
new PKCS10CertificationRequest(sigAlgName, name, pubKey, derSet, privKey);
// Save the certificate request to a .pem file.
byte[] data = request.getEncoded();
PrintStream ps = new PrintStream(new FileOutputStream(certReqLoc));
// build / delimited name.
String certSubject = "";
StringTokenizer tokens = new StringTokenizer(dname, ",");
while (tokens.hasMoreTokens()) {
certSubject = certSubject + "/" + tokens.nextToken();
}
/* ps.print( "\n\n"
+ "Please mail the following certificate request to " + emailAddressOfCA + "\n"
+ "\n"
+ "==================================================================\n"
+ "\n"
+ "Certificate Subject:\n"
+ "\n"
+ certSubject
+ "\n"
+ "\n"
+ "The above string is known as your user certificate subject, and it \n"
+ "uniquely identifies this user.\n"
+ "\n"
+ "To install this user certificate, please save this e-mail message\n"
+ "into the following file.\n"
+ "\n"
+ "\n"
+ certLoc
+ "\n"
+ "\n"
+ "\n"
+ " You need not edit this message in any way. Simply \n"
+ " save this e-mail message to the file.\n"
+ "\n"
+ "\n"
+ "If you have any questions about the certificate contact\n"
+ "the Certificate Authority at " + emailAddressOfCA + "\n"
+ "\n");*/
ps.print(toPEM(data));
ps.close();
// Save private key to a .pem file.
OpenSSLKey key = new BouncyCastleOpenSSLKey(privKey);
if (password.length() != 0) {
key.encrypt(password);
}
key.writeTo(new File(privKeyLoc).getAbsolutePath());
// set read only permissions
Util.setFilePermissions(privKeyLoc, 600);
// Create an empty cert file.
/* File f = new File(certLoc);
f.createNewFile();*/
}
public static void main(String[] args) throws Exception {
// prompt user to enter a port number
System.out.print("Enter the port number: ");
Scanner scan = new Scanner(System.in);
int port = scan.nextInt();
scan.nextLine();
System.out.print("Enter the host name: ");
String hostName = scan.nextLine();
// Initialize a key pair generator with the SKIP parameters we sepcified, and genrating a pair
// This will take a while: 5...15 seconrds
System.out.println("Generating a Diffie-Hellman keypair: ");
KeyPairGenerator kpg = KeyPairGenerator.getInstance("DH");
kpg.initialize(PARAMETER_SPEC);
KeyPair keyPair = kpg.genKeyPair();
System.out.println("key pair has been made...");
// one the key pair has been generated, we want to listen on
// a given port for a connection to come in
// once we get a connection, we will get two streams, One for input
// and one for output
// open a port and wait for a connection
ServerSocket ss = new ServerSocket(port);
System.out.println("Listeining on port " + port + " ...");
Socket socket = ss.accept();
// use to output and input primitive data type
DataOutputStream out = new DataOutputStream(socket.getOutputStream());
// next thing to do is send our public key and receive client's
// this corresponds to server step 3 and step 4 in the diagram
System.out.println("Sending my public key...");
byte[] keyBytes = keyPair.getPublic().getEncoded();
out.writeInt(keyBytes.length);
out.write(keyBytes);
System.out.println("Server public key bytes: " + CryptoUtils.toHex(keyBytes));
// receive the client's public key
System.out.println("Receiving client's public key...");
DataInputStream in = new DataInputStream(socket.getInputStream());
keyBytes = new byte[in.readInt()];
in.readFully(keyBytes);
// create client's public key
KeyFactory kf = KeyFactory.getInstance("DH");
X509EncodedKeySpec x509Spec = new X509EncodedKeySpec(keyBytes);
PublicKey clientPublicKey = kf.generatePublic(x509Spec);
// print out client's public key bytes
System.out.println(
"Client public key bytes: " + CryptoUtils.toHex(clientPublicKey.getEncoded()));
// we can now use the client's public key and
// our own private key to perform the key agreement
System.out.println("Performing the key agreement ... ");
KeyAgreement ka = KeyAgreement.getInstance("DH");
ka.init(keyPair.getPrivate());
ka.doPhase(clientPublicKey, true);
// in a chat application, each character is sendt over the wire, separetly encrypted,
// Instead of using ECB, we are goin to use CFB, with a block size of 8 bits(1byte)
// to send each character. We will encrypt the same character in a different way
// each time. But in order to use CFB8, we need an IVof 8 bytes. We will create
// that IV randomly and and send it to the client. It doesn't matter if somoene
// eavesdrops on the IV when it is sent over the wire. it's not sensitive info
// creating the IV and sending it corresponds to step 6 and 7
byte[] iv = new byte[8];
SecureRandom sr = new SecureRandom();
sr.nextBytes(iv);
out.write(iv);
// we generate the secret byte array we share with the client and use it
// to create the session key (Step 8)
byte[] sessionKeyBytes = ka.generateSecret();
// create the session key
SecretKeyFactory skf = SecretKeyFactory.getInstance("DESede");
DESedeKeySpec DESedeSpec = new DESedeKeySpec(sessionKeyBytes);
SecretKey sessionKey = skf.generateSecret(DESedeSpec);
// printout session key bytes
System.out.println("Session key bytes: " + CryptoUtils.toHex(sessionKey.getEncoded()));
// now use tha that session key and IV to create a CipherInputStream. We will use them to read
// all character
// that are sent to us by the client
System.out.println("Creating the cipher stream ...");
Cipher decrypter = Cipher.getInstance("DESede/CFB8/NoPadding");
IvParameterSpec spec = new IvParameterSpec(iv);
decrypter.init(Cipher.DECRYPT_MODE, sessionKey, spec);
CipherInputStream cipherIn = new CipherInputStream(socket.getInputStream(), decrypter);
// we just keep reading the input and print int to the screen, until -1 sent over
int theCharacter = 0;
theCharacter = cipherIn.read();
while (theCharacter != -1) {
System.out.print((char) theCharacter);
theCharacter = cipherIn.read();
}
// once -1 is received we want to close up our stream and exit
cipherIn.close();
in.close();
out.close();
socket.close();
}
private KeyPair generateKeyPair(int keySize) throws NoSuchAlgorithmException {
KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA");
keyPairGenerator.initialize(keySize);
return keyPairGenerator.genKeyPair();
}
public static KeyPair generateKeyPair(String algorithm) throws NoSuchAlgorithmException {
KeyPairGenerator keyGen = KeyPairGenerator.getInstance(algorithm);
keyGen.initialize(1024);
return keyGen.genKeyPair();
}
