public static void logTokens(Activity context) {
// Add code to print out the key hash
try {
PackageInfo info =
context
.getPackageManager()
.getPackageInfo(
context.getApplicationContext().getPackageName(), PackageManager.GET_SIGNATURES);
for (Signature signature : info.signatures) {
MessageDigest md = MessageDigest.getInstance("SHA-1");
md.update(signature.toByteArray());
Log.d("SHA-KeyHash:::", Base64.encodeToString(md.digest(), Base64.DEFAULT));
md = MessageDigest.getInstance("MD5");
md.update(signature.toByteArray());
Log.d("MD5-KeyHash:::", Base64.encodeToString(md.digest(), Base64.DEFAULT));
md = MessageDigest.getInstance("SHA");
md.update(signature.toByteArray());
Log.d("SHA-Hex-From-KeyHash:::", bytesToHex(md.digest()));
}
} catch (NameNotFoundException e) {
} catch (NoSuchAlgorithmException e) {
}
}
/**
* Returns true if the given values match the commitment given.
*
* @param commitment
* @param value
* @param randomness
* @return
*/
public static boolean checkCommitment(
MessageDigest H, BigInteger commitment, BigInteger value, BigInteger randomness) {
H.update(value.toByteArray());
H.update(randomness.toByteArray());
BigInteger testSubject = new BigInteger(H.digest()).mod(Util.getModulus());
return commitment.equals(testSubject);
}
private static void appendArray(MessageDigest digest, Object value) {
digest.update("A".getBytes());
for (int i = 0; i < Array.getLength(value); i++) {
appendObject(digest, Array.get(value, i));
digest.update(",".getBytes());
}
}
/**
* 对报文进行采用MD5进行hmac签名
*
* @param aValue - 字符�?
* @param aKey - 密钥
* @param encoding - 字符串编码方�?
* @return - 签名结果，hex字符�?
*/
public static String hmacSign(String aValue, String aKey, String encoding) {
byte k_ipad[] = new byte[64];
byte k_opad[] = new byte[64];
byte keyb[];
byte value[];
try {
keyb = aKey.getBytes(encoding);
value = aValue.getBytes(encoding);
} catch (UnsupportedEncodingException e) {
keyb = aKey.getBytes();
value = aValue.getBytes();
}
Arrays.fill(k_ipad, keyb.length, 64, (byte) 54);
Arrays.fill(k_opad, keyb.length, 64, (byte) 92);
for (int i = 0; i < keyb.length; i++) {
k_ipad[i] = (byte) (keyb[i] ^ 0x36);
k_opad[i] = (byte) (keyb[i] ^ 0x5c);
}
MessageDigest md = null;
try {
md = MessageDigest.getInstance("MD5");
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
return null;
}
md.update(k_ipad);
md.update(value);
byte dg[] = md.digest();
md.reset();
md.update(k_opad);
md.update(dg, 0, 16);
dg = md.digest();
return ConvertUtils.toHex(dg);
}
/**
* Computes the serial version UID value for the given class. The code is taken from {@link
* ObjectStreamClass#computeDefaultSUID(Class)}.
*
* @param cls A class.
* @return A serial version UID.
* @throws IOException If failed.
*/
static long computeSerialVersionUid(Class cls) throws IOException {
if (Serializable.class.isAssignableFrom(cls) && !Enum.class.isAssignableFrom(cls)) {
return ObjectStreamClass.lookup(cls).getSerialVersionUID();
}
MessageDigest md;
try {
md = MessageDigest.getInstance("SHA");
} catch (NoSuchAlgorithmException e) {
throw new IOException("Failed to get digest for SHA.", e);
}
md.update(cls.getName().getBytes(UTF_8));
for (Field f : getFieldsForSerialization(cls)) {
md.update(f.getName().getBytes(UTF_8));
md.update(f.getType().getName().getBytes(UTF_8));
}
byte[] hashBytes = md.digest();
long hash = 0;
// Composes a single-long hash from the byte[] hash.
for (int i = Math.min(hashBytes.length, 8) - 1; i >= 0; i--)
hash = (hash << 8) | (hashBytes[i] & 0xFF);
return hash;
}
/**
* @param key
* @param update_key
* @return
* @throws CryptoException
*/
public byte[] update(byte[] key, byte[] update_key) throws CryptoException {
byte[] shasig = new byte[20];
byte[] update = new byte[this.keylength]; // changed from 8 - rdesktop
// 1.2.0
byte[] thekey = new byte[key.length];
synchronized (digestLock) {
sha1.reset();
sha1.update(update_key, 0, keylength);
sha1.update(pad_54, 0, 40);
sha1.update(key, 0, keylength); // changed from 8 - rdesktop
// 1.2.0
shasig = sha1.digest();
sha1.reset();
md5.reset();
md5.update(update_key, 0, keylength); // changed from 8 - rdesktop
// 1.2.0
md5.update(pad_92, 0, 48);
md5.update(shasig, 0, 20);
thekey = md5.digest();
md5.reset();
System.arraycopy(thekey, 0, update, 0, this.keylength);
rc4_update.engineInitDecrypt(update);
// added
thekey = rc4_update.crypt(thekey, 0, this.keylength);
if (this.keylength == 8) {
this.make40bit(thekey);
}
}
return thekey;
}
/**
* Generate the mask.
*
* @param seed source of input bytes for initial digest state
* @param length length of mask to generate
* @return a byte array containing a MGF1 generated mask
*/
public byte[] generateMask(byte[] seed, int length) {
byte[] mask = new byte[length];
byte[] C = new byte[4];
int counter = 0;
int hLen = digest.getDigestLength();
digest.reset();
while (counter < (length / hLen)) {
ItoOSP(counter, C);
digest.update(seed);
digest.update(C);
System.arraycopy(digest.digest(), 0, mask, counter * hLen, hLen);
counter++;
}
if ((counter * hLen) < length) {
ItoOSP(counter, C);
digest.update(seed);
digest.update(C);
System.arraycopy(digest.digest(), 0, mask, counter * hLen, mask.length - (counter * hLen));
}
return mask;
}
/**
* Calculates the hash of password (and salt bytes, if supplied) and returns a base64 encoded
* concatenation of the hash and salt, prefixed with {SHA} (or {SSHA} if salt was used).
*
* @param rawPass the password to be encoded.
* @param salt the salt. Must be a byte array or null.
* @return the encoded password in the specified format
*/
public String encodePassword(String rawPass, Object salt) {
MessageDigest sha;
try {
sha = MessageDigest.getInstance("SHA");
sha.update(rawPass.getBytes("UTF-8"));
} catch (java.security.NoSuchAlgorithmException e) {
throw new IllegalStateException("No SHA implementation available!");
} catch (UnsupportedEncodingException ue) {
throw new IllegalStateException("UTF-8 not supported!");
}
if (salt != null) {
Assert.isInstanceOf(byte[].class, salt, "Salt value must be a byte array");
sha.update((byte[]) salt);
}
byte[] hash = combineHashAndSalt(sha.digest(), (byte[]) salt);
String prefix;
if (salt == null) {
prefix = forceLowerCasePrefix ? SHA_PREFIX_LC : SHA_PREFIX;
} else {
prefix = forceLowerCasePrefix ? SSHA_PREFIX_LC : SSHA_PREFIX;
}
return prefix + new String(Base64.encode(hash));
}
private byte[] createRFC2617RequestDigest(
final byte[] ha1, final byte[] ha2, final DigestContext context) {
final MessageDigest digest = context.getDigest();
final Map<DigestAuthorizationToken, String> parsedHeader = context.getParsedHeader();
byte[] nonce =
parsedHeader.get(DigestAuthorizationToken.NONCE).getBytes(StandardCharsets.UTF_8);
byte[] nonceCount =
parsedHeader.get(DigestAuthorizationToken.NONCE_COUNT).getBytes(StandardCharsets.UTF_8);
byte[] cnonce =
parsedHeader.get(DigestAuthorizationToken.CNONCE).getBytes(StandardCharsets.UTF_8);
byte[] qop =
parsedHeader.get(DigestAuthorizationToken.MESSAGE_QOP).getBytes(StandardCharsets.UTF_8);
try {
digest.update(ha1);
digest.update(COLON);
digest.update(nonce);
digest.update(COLON);
digest.update(nonceCount);
digest.update(COLON);
digest.update(cnonce);
digest.update(COLON);
digest.update(qop);
digest.update(COLON);
digest.update(ha2);
return HexConverter.convertToHexBytes(digest.digest());
} finally {
digest.reset();
}
}
/**
* Completes the Mac computation and resets the Mac for further use, maintaining the secret key
* that the Mac was initialized with.
*
* @return the Mac result.
*/
byte[] doFinal() {
if (first == true) {
// compute digest for 1st pass; start with inner pad
md.update(secret);
md.update(pad1);
} else {
first = true;
}
try {
// finish the inner digest
byte[] tmp = md.digest();
// compute digest for 2nd pass; start with outer pad
md.update(secret);
md.update(pad2);
// add result of 1st hash
md.update(tmp);
md.digest(tmp, 0, tmp.length);
return tmp;
} catch (DigestException e) {
// should never occur
throw new ProviderException(e);
}
}
public String calculateHash(String graph) throws SQLException, NoSuchAlgorithmException {
// TODO: sanitize graph
MessageDigest digest = MessageDigest.getInstance("SHA-512"); // takes 50 sec on Fly data
// MessageDigest digest = MessageDigest.getInstance("MD5"); // takes 46 sec on Fly data
// cb66cc5f1feb5169542af48342936ad2962a8ae14840f1e029028636004f779346c19ecd0917ea2f53c6ec94f4ab10c5bffc272888ae33b73797bdee9cb7193a
Statement st = con.createStatement();
try {
ResultSet rs =
executeQuery(st, "SPARQL SELECT ?s ?p ?o FROM <" + graph + "> WHERE { ?s ?p ?o . }");
while (rs.next()) {
digest.update(rs.getString(1).getBytes());
digest.update(rs.getString(2).getBytes());
digest.update(rs.getString(3).getBytes());
}
} catch (VirtuosoException ex) {
rethrowWithTips(ex);
}
String hexString = new String(Hex.encodeHex(digest.digest()));
return hexString;
}
/**
* Flush and invoke appropriate optype
*
* @param optype the optype
* @param index the index
* @param type the type
* @param id the id
* @throws IOException
*/
public void flush(String optype, String index, String type, String id) throws IOException {
if (!map.isEmpty()) {
build(map);
if (listener != null) {
if ("create".equals(optype)) {
listener.create(index, type, id, version, builder);
} else if ("index".equals(optype)) {
listener.index(index, type, id, version, builder);
} else if ("delete".equals(optype)) {
listener.delete(index, type, id);
}
}
if (index != null) {
digest.update(index.getBytes("UTF-8"));
}
if (type != null) {
digest.update(type.getBytes("UTF-8"));
}
if (id != null) {
digest.update(id.getBytes("UTF-8"));
}
builder.close();
builder = jsonBuilder();
map = new HashMap();
}
}
boolean isManifestUpdated() {
if (!mCacheFile.exists()) {
Log.i("ManifestCheckerService", "updated: cache file does not exist");
return true;
}
try {
MessageDigest dataDigester = MessageDigest.getInstance("MD5");
dataDigester.update(mFetcher.getData(), 0, mFetcher.getDataLen());
byte[] dataDigest = dataDigester.digest();
MessageDigest fileDigester = MessageDigest.getInstance("MD5");
FileInputStream is = new FileInputStream(mCacheFile);
byte[] buf = new byte[4096];
int len;
while ((len = is.read(buf)) > 0) {
fileDigester.update(buf, 0, len);
}
is.close();
byte[] fileDigest = fileDigester.digest();
if (Arrays.equals(dataDigest, fileDigest)) {
return false;
}
Log.i("ManifestCheckerService", "updated: digests differ");
} catch (Exception e) {
Log.e("ManifestFetcher", "caught exception: " + e.getMessage());
e.printStackTrace();
}
return true;
}
private boolean verify(
Attributes attributes,
String entry,
byte[] data,
int start,
int end,
boolean ignoreSecondEndline,
boolean ignorable) {
for (int i = 0; i < DIGEST_ALGORITHMS.length; i++) {
String algorithm = DIGEST_ALGORITHMS[i];
String hash = attributes.getValue(algorithm + entry);
if (hash == null) {
continue;
}
MessageDigest md;
try {
md = MessageDigest.getInstance(algorithm);
} catch (NoSuchAlgorithmException e) {
continue;
}
if (ignoreSecondEndline && data[end - 1] == '\n' && data[end - 2] == '\n') {
md.update(data, start, end - 1 - start);
} else {
md.update(data, start, end - start);
}
byte[] b = md.digest();
byte[] hashBytes = hash.getBytes(StandardCharsets.ISO_8859_1);
return MessageDigest.isEqual(b, Base64.decode(hashBytes));
}
return ignorable;
}
private String hash(String clearPassword) {
if (salt == 0) return null;
MessageDigest md = null;
try {
md = MessageDigest.getInstance("SHA1");
} catch (NoSuchAlgorithmException e) {
throw new AssertionError("Can't find the SHA1 algorithm in the java.security package");
}
String saltString = String.valueOf(salt);
md.update(saltString.getBytes());
md.update(clearPassword.getBytes());
byte[] digestBytes = md.digest();
// Format the digest as a String
StringBuffer digestSB = new StringBuffer();
for (int i = 0; i < digestBytes.length; i++) {
int lowNibble = digestBytes[i] & 0x0f;
int highNibble = (digestBytes[i] >> 4) & 0x0f;
digestSB.append(Integer.toHexString(highNibble));
digestSB.append(Integer.toHexString(lowNibble));
}
String digestStr = digestSB.toString();
return digestStr;
}
/**
* 验证口令是否合法
*
* @param password
* @param passwordInDb
* @return
* @throws NoSuchAlgorithmException
* @throws UnsupportedEncodingException
*/
public static boolean validPassword(String password, String passwordInDb)
throws NoSuchAlgorithmException, UnsupportedEncodingException {
// 将16进制字符串格式口令转换成字节数组
byte[] pwdInDb = hexStringToByte(passwordInDb);
// 声明盐变量
byte[] salt = new byte[SALT_LENGTH];
// 将盐从数据库中保存的口令字节数组中提取出来
System.arraycopy(pwdInDb, 0, salt, 0, SALT_LENGTH);
// 创建消息摘要对象
MessageDigest md = MessageDigest.getInstance("MD5");
// 将盐数据传入消息摘要对象
md.update(salt);
// 将口令的数据传给消息摘要对象
md.update(password.getBytes("UTF-8"));
// 生成输入口令的消息摘要
byte[] digest = md.digest();
// 声明一个保存数据库中口令消息摘要的变量
byte[] digestInDb = new byte[pwdInDb.length - SALT_LENGTH];
// 取得数据库中口令的消息摘要
System.arraycopy(pwdInDb, SALT_LENGTH, digestInDb, 0, digestInDb.length);
// 比较根据输入口令生成的消息摘要和数据库中消息摘要是否相同
if (Arrays.equals(digest, digestInDb)) {
// 口令正确返回口令匹配消息
return true;
} else {
// 口令不正确返回口令不匹配消息
return false;
}
}
/**
* create from an issuer certificate and the serial number of the certificate it signed.
*
* @exception OCSPException if any problems occur creating the id fields.
*/
public CertificateID(
String hashAlgorithm, X509Certificate issuerCert, BigInteger number, String provider)
throws OCSPException {
try {
MessageDigest digest = MessageDigest.getInstance(hashAlgorithm, provider);
AlgorithmIdentifier hashAlg =
new AlgorithmIdentifier(new DERObjectIdentifier(hashAlgorithm), new DERNull());
X509Principal issuerName = PrincipalUtil.getSubjectX509Principal(issuerCert);
digest.update(issuerName.getEncoded());
ASN1OctetString issuerNameHash = new DEROctetString(digest.digest());
PublicKey issuerKey = issuerCert.getPublicKey();
ASN1InputStream aIn = new ASN1InputStream(issuerKey.getEncoded());
SubjectPublicKeyInfo info = SubjectPublicKeyInfo.getInstance(aIn.readObject());
digest.update(info.getPublicKeyData().getBytes());
ASN1OctetString issuerKeyHash = new DEROctetString(digest.digest());
DERInteger serialNumber = new DERInteger(number);
this.id = new CertID(hashAlg, issuerNameHash, issuerKeyHash, serialNumber);
} catch (Exception e) {
throw new OCSPException("problem creating ID: " + e, e);
}
}
/**
* 获得加密后的16进制形式口令
*
* @param password
* @return
* @throws NoSuchAlgorithmException
* @throws UnsupportedEncodingException
*/
public static String getEncryptedPwd(String password)
throws NoSuchAlgorithmException, UnsupportedEncodingException {
// 声明加密后的口令数组变量
byte[] pwd = null;
// 随机数生成器
SecureRandom random = new SecureRandom();
// 声明盐数组变量
byte[] salt = new byte[SALT_LENGTH];
// 将随机数放入盐变量中
random.nextBytes(salt);
// 声明消息摘要对象
MessageDigest md = null;
// 创建消息摘要
md = MessageDigest.getInstance("MD5");
// 将盐数据传入消息摘要对象
md.update(salt);
// 将口令的数据传给消息摘要对象
md.update(password.getBytes("UTF-8"));
// 获得消息摘要的字节数组
byte[] digest = md.digest();
// 因为要在口令的字节数组中存放盐，所以加上盐的字节长度
pwd = new byte[digest.length + SALT_LENGTH];
// 将盐的字节拷贝到生成的加密口令字节数组的前12个字节，以便在验证口令时取出盐
System.arraycopy(salt, 0, pwd, 0, SALT_LENGTH);
// 将消息摘要拷贝到加密口令字节数组从第13个字节开始的字节
System.arraycopy(digest, 0, pwd, SALT_LENGTH, digest.length);
// 将字节数组格式加密后的口令转化为16进制字符串格式的口令
return byteToHexString(pwd);
}
/* goodG2B2() - use goodsource and badsink by reversing statements in first if */
private void goodG2B2() throws Throwable {
String data;
/* INCIDENTAL: CWE 571 Statement is Always True */
if (private_final_t) {
java.util.logging.Logger log_good = java.util.logging.Logger.getLogger("local-logger");
/* FIX: Use a hardcoded string */
data = "foo";
} else {
/* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
Logger log_bad = Logger.getLogger("local-logger");
data = ""; /* init data */
/* read user input from console with readLine*/
BufferedReader buffread = null;
InputStreamReader instrread = null;
try {
instrread = new InputStreamReader(System.in);
buffread = new BufferedReader(instrread);
data = buffread.readLine();
} catch (IOException ioe) {
log_bad.warning("Error with stream reading");
} finally {
/* clean up stream reading objects */
try {
if (buffread != null) {
buffread.close();
}
} catch (IOException ioe) {
log_bad.warning("Error closing buffread");
} finally {
try {
if (instrread != null) {
instrread.close();
}
} catch (IOException ioe) {
log_bad.warning("Error closing instrread");
}
}
}
}
/* INCIDENTAL: CWE 571 Statement is Always True */
if (private_final_t) {
MessageDigest hash = MessageDigest.getInstance("SHA-512");
hash.update(data.getBytes()); /* FLAW: SHA512 with a predictable salt */
byte[] hashv = hash.digest("hash me".getBytes());
IO.writeLine(IO.toHex(hashv));
} else {
/* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
SecureRandom r = new SecureRandom();
MessageDigest hash = MessageDigest.getInstance("SHA-512");
hash.update(r.getSeed(32)); /* FIX: Use a sufficiently random salt */
byte[] hashv = hash.digest("hash me".getBytes());
IO.writeLine(IO.toHex(hashv));
}
}
@Override
public void send(Quad quad) {
try {
byte[] s = tdbloader3.serialize(quad.getSubject()).getBytes("UTF-8");
byte[] p = tdbloader3.serialize(quad.getPredicate()).getBytes("UTF-8");
byte[] o = tdbloader3.serialize(quad.getObject()).getBytes("UTF-8");
byte[] g = null;
// Union graph?!
if (!quad.isTriple() && !quad.isDefaultGraph())
g = tdbloader3.serialize(quad.getGraph()).getBytes("UTF-8");
digest.reset();
digest.update(s); // TODO: should we do something better here?
digest.update(p);
digest.update(o);
if (g != null) digest.update(g.toString().getBytes("UTF-8"));
String md5 = new String(Hex.encodeHex(digest.digest()));
sdb01.add(new Pair<byte[], byte[]>(s, (md5 + "|s").getBytes("UTF-8")));
sdb01.add(new Pair<byte[], byte[]>(p, (md5 + "|p").getBytes("UTF-8")));
sdb01.add(new Pair<byte[], byte[]>(o, (md5 + "|o").getBytes("UTF-8")));
if (g != null) sdb01.add(new Pair<byte[], byte[]>(g, (md5 + "|g").getBytes("UTF-8")));
} catch (UnsupportedEncodingException e) {
throw new AtlasException(e);
}
monitor.tick();
}
public static String GenerateHash(String url, Request request, boolean getRequest) {
int start = HASH_SIZE * request.getAccessIndex();
int end = start + HASH_SIZE;
DaapHost host = request.getHost();
calculateStaticHash(host);
// System.out.println("Creating hash, reqid is " + reqid);
if (host.getDaapVersion() >= DaapHost.ITUNES_45) {
// System.out.println("Generating 4.5 Hash");
// nmd = new MD5();
// nmd.Update(url.getBytes());
// nmd.Update(appleCopyright.getBytes());
// nmd.Update(calcHash.substring(start, end).getBytes());
//
// if (getRequest) {
// nmd.Update((new Integer(host.getThisRequestNumber())).toString().getBytes());
// // System.out.println("Adding this compontent");
//
// }
// return DigestToString(nmd.Final());
return "";
} else {
md.update(url.getBytes());
md.update(appleCopyright.getBytes());
md.update(calcHash.substring(start, end).getBytes());
return DigestToString(md.digest());
}
}
static void parseXml(Element p_element, MessageDigest p_md, ArrayList<String> p_ignoreList) {
p_md.update(p_element.getName().getBytes());
String content = p_element.getText();
if (content != null) {
p_md.update(content.getBytes());
}
for (Attribute attribute : p_element.getAttributes()) {
String name = attribute.getName();
if (p_ignoreList.contains(name)) {
continue;
}
String value = attribute.getValue();
if (value != null) {
p_md.update(value.getBytes());
}
}
for (Element child : p_element.getChildren()) {
parseXml(child, p_md, p_ignoreList);
}
}
public byte[] hash48(byte[] in, byte[] salt1, byte[] salt2, int salt) throws CryptoException {
byte[] shasig = new byte[20];
byte[] pad = new byte[4];
byte[] out = new byte[48];
int i = 0;
synchronized (digestLock) {
sha1.reset();
md5.reset();
for (i = 0; i < 3; i++) {
for (int j = 0; j <= i; j++) {
pad[j] = (byte) (salt + i);
}
sha1.update(pad, 0, i + 1);
sha1.update(in, 0, 48);
sha1.update(salt1, 0, 32);
sha1.update(salt2, 0, 32);
shasig = sha1.digest();
sha1.reset();
md5.update(in, 0, 48);
md5.update(shasig, 0, 20);
System.arraycopy(md5.digest(), 0, out, i * 16, 16);
}
}
return out;
}
/**
* Calculates the NTLM2 Session Response for the given challenge, using the specified password and
* client challenge.
*
* @param password The user's password.
* @param challenge The Type 2 challenge from the server.
* @param clientChallenge The random 8-byte client challenge.
* @return The NTLM2 Session Response. This is placed in the NTLM response field of the Type 3
* message; the LM response field contains the client challenge, null-padded to 24 bytes.
*/
static byte[] getNTLM2SessionResponse(String password, byte[] challenge, byte[] clientChallenge)
throws NTLMEngineException {
try {
byte[] ntlmHash = ntlmHash(password);
// Look up MD5 algorithm (was necessary on jdk 1.4.2)
// This used to be needed, but java 1.5.0_07 includes the MD5
// algorithm (finally)
// Class x = Class.forName("gnu.crypto.hash.MD5");
// Method updateMethod = x.getMethod("update",new
// Class[]{byte[].class});
// Method digestMethod = x.getMethod("digest",new Class[0]);
// Object mdInstance = x.newInstance();
// updateMethod.invoke(mdInstance,new Object[]{challenge});
// updateMethod.invoke(mdInstance,new Object[]{clientChallenge});
// byte[] digest = (byte[])digestMethod.invoke(mdInstance,new
// Object[0]);
MessageDigest md5 = MessageDigest.getInstance("MD5");
md5.update(challenge);
md5.update(clientChallenge);
byte[] digest = md5.digest();
byte[] sessionHash = new byte[8];
System.arraycopy(digest, 0, sessionHash, 0, 8);
return lmResponse(ntlmHash, sessionHash);
} catch (Exception e) {
if (e instanceof NTLMEngineException) throw (NTLMEngineException) e;
throw new NTLMEngineException(e.getMessage(), e);
}
}
protected int engineDigest(byte[] buf, int offset, int len) throws DigestException {
if (len < HASHSIZE) throw new DigestException();
// hash any remaining fragments
blockUpdate();
// composite neighboring nodes together up to top value
while (nodes.size() > 1) {
List newNodes = new ArrayList();
Iterator iter = nodes.iterator();
while (iter.hasNext()) {
byte[] left = (byte[]) iter.next();
if (iter.hasNext()) {
byte[] right = (byte[]) iter.next();
tiger.reset();
tiger.update((byte) 1); // node prefix
tiger.update(left, 0, left.length);
tiger.update(right, 0, right.length);
newNodes.add(tiger.digest());
} else {
newNodes.add(left);
}
}
nodes = newNodes;
}
System.arraycopy(nodes.get(0), 0, buf, offset, HASHSIZE);
engineReset();
return HASHSIZE;
}
/**
* 产生MD5加密串
*
* @author huyong
* @param plainText
* @param charset
* @return
*/
private static String to32BitString(String plainText, String charset) {
try {
MessageDigest md = MessageDigest.getInstance("MD5");
md.reset();
if (charset != null) {
md.update(plainText.getBytes(charset));
} else {
md.update(plainText.getBytes());
}
byte[] byteArray = md.digest();
StringBuffer md5Buf = new StringBuffer();
for (int i = 0; i < byteArray.length; i++) {
if (Integer.toHexString(0xFF & byteArray[i]).length() == 1) {
md5Buf.append("0").append(Integer.toHexString(0xFF & byteArray[i]));
} else {
md5Buf.append(Integer.toHexString(0xFF & byteArray[i]));
}
}
return md5Buf.toString();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
private static byte[][] evpBytesTokey(
int key_len, int iv_len, MessageDigest md, byte[] salt, byte[] data, int count) {
byte[][] both = new byte[2][];
byte[] key = new byte[key_len];
int key_ix = 0;
byte[] iv = new byte[iv_len];
int iv_ix = 0;
both[0] = key;
both[1] = iv;
byte[] md_buf = null;
int nkey = key_len;
int niv = iv_len;
int i = 0;
if (data == null) {
return both;
}
int addmd = 0;
for (; ; ) {
md.reset();
if (addmd++ > 0) {
md.update(md_buf);
}
md.update(data);
if (null != salt) {
md.update(salt, 0, 8);
}
md_buf = md.digest();
for (i = 1; i < count; i++) {
md.reset();
md.update(md_buf);
md_buf = md.digest();
}
i = 0;
if (nkey > 0) {
for (; ; ) {
if (nkey == 0) break;
if (i == md_buf.length) break;
key[key_ix++] = md_buf[i];
nkey--;
i++;
}
}
if (niv > 0 && i != md_buf.length) {
for (; ; ) {
if (niv == 0) break;
if (i == md_buf.length) break;
iv[iv_ix++] = md_buf[i];
niv--;
i++;
}
}
if (nkey == 0 && niv == 0) {
break;
}
}
for (i = 0; i < md_buf.length; i++) {
md_buf[i] = 0;
}
return both;
}
private static String sha1Hash(Object[] input) {
try {
MessageDigest md = MessageDigest.getInstance("SHA-1");
md.reset();
for (Object o : input) {
if (o instanceof String) {
md.update(((String) o).getBytes("ISO_8859_1"));
} else if (o instanceof byte[]) {
md.update((byte[]) o);
} else {
return null;
}
}
BigInteger bigInt = new BigInteger(md.digest());
if (bigInt.compareTo(BigInteger.ZERO) < 0) {
bigInt = bigInt.negate();
return "-" + bigInt.toString(16);
} else {
return bigInt.toString(16);
}
} catch (Exception ioe) {
return null;
}
}
private static void appendList(MessageDigest digest, List<?> value) {
digest.update("L".getBytes());
for (Object object : value) {
appendObject(digest, object);
digest.update(",".getBytes());
}
}
/**
* Decodes the passed encrypted password and returns the clear-text form.
*
* @param encryptedPass encrypted password
* @param sharedSecret shared secret
* @return decrypted password
*/
private String decodePapPassword(byte[] encryptedPass, byte[] sharedSecret)
throws RadiusException {
if (encryptedPass == null || encryptedPass.length < 16) {
// PAP passwords require at least 16 bytes
logger.warn(
"invalid Radius packet: User-Password attribute with malformed PAP password, length = "
+ (encryptedPass == null ? 0 : encryptedPass.length)
+ ", but length must be greater than 15");
throw new RadiusException("malformed User-Password attribute");
}
MessageDigest md5 = getMd5Digest();
byte[] lastBlock = new byte[16];
for (int i = 0; i < encryptedPass.length; i += 16) {
md5.reset();
md5.update(sharedSecret);
md5.update(i == 0 ? getAuthenticator() : lastBlock);
byte bn[] = md5.digest();
System.arraycopy(encryptedPass, i, lastBlock, 0, 16);
// perform the XOR as specified by RFC 2865.
for (int j = 0; j < 16; j++) encryptedPass[i + j] = (byte) (bn[j] ^ encryptedPass[i + j]);
}
// remove trailing zeros
int len = encryptedPass.length;
while (len > 0 && encryptedPass[len - 1] == 0) len--;
byte[] passtrunc = new byte[len];
System.arraycopy(encryptedPass, 0, passtrunc, 0, len);
// convert to string
return RadiusUtil.getStringFromUtf8(passtrunc);
}
