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) {
}
}
public static String printKeyHash(Activity context) {
PackageInfo packageInfo;
String key = null;
try {
// getting application package name, as defined in manifest
String packageName = context.getApplicationContext().getPackageName();
// Retriving package info
packageInfo =
context.getPackageManager().getPackageInfo(packageName, PackageManager.GET_SIGNATURES);
Log.e("Package Name=", context.getApplicationContext().getPackageName());
for (Signature signature : packageInfo.signatures) {
MessageDigest md = MessageDigest.getInstance("SHA");
md.update(signature.toByteArray());
key = new String(Base64.encode(md.digest(), 0));
// String key = new String(Base64.encodeBytes(md.digest()));
Log.e("Key Hash=", key);
}
} catch (PackageManager.NameNotFoundException e1) {
Log.e("Name not found", e1.toString());
} catch (NoSuchAlgorithmException e) {
Log.e("No such an algorithm", e.toString());
} catch (Exception e) {
Log.e("Exception", e.toString());
}
return key;
}
private String obfuscate(String data) {
if (data == null || data.length() <= 0) {
return null;
}
MessageDigest digest;
try {
digest = MessageDigest.getInstance("MD5"); // $NON-NLS-1$
} catch (NoSuchAlgorithmException ex) {
try {
digest = MessageDigest.getInstance("SHA"); // $NON-NLS-1$
} catch (NoSuchAlgorithmException ex1) {
return "***"; //$NON-NLS-1$
}
}
digest.update(data.getBytes());
byte messageDigest[] = digest.digest();
StringBuilder hexString = new StringBuilder(64);
for (int i = 0; i < messageDigest.length; i++) {
String hex = Integer.toHexString(0xFF & messageDigest[i]);
if (hex.length() == 1) {
hexString.append('0');
}
hexString.append(hex);
}
return hexString.toString();
}
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 MessageDigest setSHA1(AuthSecrets macParms) {
try {
mySHA1 = MessageDigest.getInstance("SHA");
} catch (NoSuchAlgorithmException e) {
Trace.comm.errorm(" Unable to build SHA", e);
Trace.comm.notifyFatal();
}
MessageDigest md5 = null;
try {
md5 = MessageDigest.getInstance("MD5");
} catch (NoSuchAlgorithmException e) {
Trace.comm.errorm("Unable to build MD5", e);
Trace.comm.notifyFatal();
}
// Calculate the MAC key
byte[] macKey = new byte[64];
System.arraycopy(md5Hash(0x11, macParms.myDHSecret, md5), 0, macKey, 0, 16);
System.arraycopy(md5Hash(0x22, macParms.myDHSecret, md5), 0, macKey, 16, 16);
System.arraycopy(md5Hash(0x33, macParms.myDHSecret, md5), 0, macKey, 32, 16);
System.arraycopy(md5Hash(0x44, macParms.myDHSecret, md5), 0, macKey, 48, 16);
myMACKey = macParms.myMacKey = macKey;
// Set up to do the MAC calculation
myIsDoingMac = true;
myMAC = new byte[20];
return md5;
}
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
org.owasp.benchmark.helpers.SeparateClassRequest scr =
new org.owasp.benchmark.helpers.SeparateClassRequest(request);
String param = scr.getTheParameter("foo");
String bar = doSomething(param);
java.security.Provider[] provider = java.security.Security.getProviders();
java.security.MessageDigest md;
try {
if (provider.length > 1) {
md = java.security.MessageDigest.getInstance("SHA1", provider[0]);
} else {
md = java.security.MessageDigest.getInstance("SHA1", "SUN");
}
} catch (java.security.NoSuchAlgorithmException e) {
System.out.println(
"Problem executing hash - TestCase java.security.MessageDigest.getInstance(java.lang.String,java.security.Provider)");
throw new ServletException(e);
} catch (java.security.NoSuchProviderException e) {
System.out.println(
"Problem executing hash - TestCase java.security.MessageDigest.getInstance(java.lang.String,java.security.Provider)");
throw new ServletException(e);
}
response
.getWriter()
.println(
"Hash Test java.security.MessageDigest.getInstance(java.lang.String,java.security.Provider) executed");
} // end doPost
/**
* Initialise Secure layer of communications
*
* @param channels Virtual channels for this connection
*/
public Secure(VChannels channels) {
this.channels = channels;
McsLayer = new MCS(channels);
Common.mcs = McsLayer;
rc4_dec = new RC4();
rc4_enc = new RC4();
rc4_update = new RC4();
// sha1 = new SHA1();
// md5 = new MD5();
try {
sha1 = MessageDigest.getInstance("SHA-1");
md5 = MessageDigest.getInstance("MD5");
} catch (Exception e) {
e.printStackTrace();
}
sec_sign_key = new byte[16]; // changed from 8 - rdesktop 1.2.0
sec_decrypt_key = new byte[16];
sec_encrypt_key = new byte[16];
sec_decrypt_update_key = new byte[16]; // changed from 8 - rdesktop
// 1.2.0
sec_encrypt_update_key = new byte[16]; // changed from 8 - rdesktop
// 1.2.0
sec_crypted_random = new byte[64];
}
/* 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));
}
}
public static byte[] publicKeyToAddress(String string) {
byte[] publicKeyBytes = null;
try {
publicKeyBytes = org.apache.commons.codec.binary.Hex.decodeHex(string.toCharArray());
} catch (DecoderException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
// System.out.println(Utils.toHex(publicKeyBytes));
// System.out.println(publicKeyBytes.length);
byte[] out = new byte[20];
byte[] hash = new byte[256];
byte[] hash2 = new byte[256];
try {
MessageDigest digest = MessageDigest.getInstance("SHA-256");
hash = digest.digest(publicKeyBytes);
hash2 = digest.digest(hash);
RIPEMD160Digest digest160 = new RIPEMD160Digest();
digest160.update(hash, 0, hash.length);
digest160.doFinal(out, 0);
} catch (Exception e) {
// TODO: handle exception
}
byte[] ripemd_bytes = null;
byte[] checksum = new byte[4];
try {
ripemd_bytes =
org.apache.commons.codec.binary.Hex.decodeHex(
("00" + Utils.toHex(out).toUpperCase()).toCharArray());
} catch (DecoderException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
try {
MessageDigest digest = MessageDigest.getInstance("SHA-256");
hash = digest.digest(ripemd_bytes);
hash2 = digest.digest(hash);
} catch (Exception e) {
// TODO: handle exception
}
System.arraycopy(hash2, 0, checksum, 0, checksum.length);
byte[] combined = new byte[1 + out.length + checksum.length];
for (int i = 0; i < combined.length; ++i) {
combined[i] = i < ripemd_bytes.length ? ripemd_bytes[i] : checksum[i - ripemd_bytes.length];
}
// System.out.println(Utils.toHex(combined));
return (combined);
}
public static FileDesc loadFile(Path root, Path file, int blocSize)
throws NoSuchAlgorithmException, FileNotFoundException, IOException {
MessageDigest md = MessageDigest.getInstance("SHA-512");
MessageDigest fileMd = MessageDigest.getInstance("SHA-512");
FileDesc desc = new FileDesc(file.toString(), null, null);
List<Bloc> list = new ArrayList<Bloc>();
try (FileInputStream fis = new FileInputStream(root.resolve(file).toString())) {
byte[] buf = new byte[blocSize];
byte[] h;
int s;
while ((s = fis.read(buf)) != -1) {
int c;
while (s < buf.length && (c = fis.read()) != -1) buf[s++] = (byte) c;
fileMd.update(buf, 0, s);
// padding
byte p = 0;
while (s < buf.length) buf[s++] = ++p;
h = md.digest(buf);
Bloc bloc = new Bloc(RollingChecksum.compute(buf), new Hash(h));
list.add(bloc);
}
h = fileMd.digest();
desc.fileHash = new Hash(h);
desc.blocs = list.toArray(new Bloc[0]);
}
return desc;
}
private void addVersion(HashBlock block, String content) throws Exception {
// 1 plain hash, plus 4 voters
MessageDigest[] digests = new MessageDigest[5];
// fake "Plain Hash"
digests[0] = MessageDigest.getInstance("SHA1");
digests[0].update(content.getBytes());
// fake "Nonced Hash" for voter 1
digests[1] = MessageDigest.getInstance("SHA1");
digests[1].update(content.getBytes());
// fake "Nonced Hash" for voter 2
digests[2] = MessageDigest.getInstance("SHA1");
digests[2].update(content.getBytes());
// fake "Nonced Hash" for voter 3
digests[3] = MessageDigest.getInstance("SHA1");
digests[3].update(content.getBytes());
// fake "Nonced Hash" for voter 4
digests[4] = MessageDigest.getInstance("SHA1");
digests[4].update(content.getBytes());
block.addVersion(
0,
content.length(),
0,
content.length(),
digests.length * content.length(), // total bytes hashed
digests,
hbVersionNum++,
null);
}
@Override
protected HashMap<String, String> doInBackground(File... params) {
HashMap<String, String> digest = new HashMap<String, String>();
File file = params[0];
MessageDigest md5 = null;
MessageDigest sha1 = null;
CRC32 crc32 = null;
InputStream is = null;
try {
md5 = MessageDigest.getInstance("MD5");
sha1 = MessageDigest.getInstance("SHA1");
crc32 = new CRC32();
is = new FileInputStream(file);
int count = 0;
byte buffer[] = new byte[24 * 1024];
while ((count = is.read(buffer)) > 0) {
md5.update(buffer, 0, count);
sha1.update(buffer, 0, count);
crc32.update(buffer, 0, count);
}
StringBuilder md5Builder = new StringBuilder();
for (byte b : md5.digest()) {
String hex = Integer.toHexString(0xFF & b);
if (hex.length() == 2) md5Builder.append(hex);
else md5Builder.append("0" + hex);
logger.debug(hex);
}
digest.put("MD5", md5Builder.toString());
StringBuilder sha1Builder = new StringBuilder();
for (byte b : sha1.digest()) {
String hex = Integer.toHexString(0xFF & b);
if (hex.length() == 2) sha1Builder.append(hex);
else sha1Builder.append("0" + hex);
logger.debug(hex);
}
digest.put("SHA1", sha1Builder.toString());
digest.put("CRC", Long.toString(crc32.getValue()));
return digest;
} catch (Exception e) {
digest.put("MD5", "Unable to read md5sum.");
digest.put("SHA1", "Unable to read sha1sum.");
digest.put("CRC", "Unable to read sha1sum.");
return digest;
} finally {
try {
is.close();
} catch (Exception e) {
}
}
}
@Before
public void initValue() {
try {
mt = MD5Tool.getInstance();
md = MessageDigest.getInstance("md5");
sd = MessageDigest.getInstance("sha1");
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
org.owasp.benchmark.helpers.SeparateClassRequest scr =
new org.owasp.benchmark.helpers.SeparateClassRequest(request);
String param = scr.getTheParameter("foo");
String bar;
String guess = "ABC";
char switchTarget = guess.charAt(2);
// Simple case statement that assigns param to bar on conditions 'A' or 'C'
switch (switchTarget) {
case 'A':
bar = param;
break;
case 'B':
bar = "bobs_your_uncle";
break;
case 'C':
case 'D':
bar = param;
break;
default:
bar = "bobs_your_uncle";
break;
}
java.security.Provider[] provider = java.security.Security.getProviders();
java.security.MessageDigest md;
try {
if (provider.length > 1) {
md = java.security.MessageDigest.getInstance("sha-384", provider[0]);
} else {
md = java.security.MessageDigest.getInstance("sha-384", "SUN");
}
} catch (java.security.NoSuchAlgorithmException e) {
System.out.println(
"Problem executing hash - TestCase java.security.MessageDigest.getInstance(java.lang.String,java.security.Provider)");
throw new ServletException(e);
} catch (java.security.NoSuchProviderException e) {
System.out.println(
"Problem executing hash - TestCase java.security.MessageDigest.getInstance(java.lang.String,java.security.Provider)");
throw new ServletException(e);
}
response
.getWriter()
.println(
"Hash Test java.security.MessageDigest.getInstance(java.lang.String,java.security.Provider) executed");
}
/* 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_five == 5) {
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 */
/* retrieve the property */
Properties props = new Properties();
FileInputStream finstr = null;
try {
finstr = new FileInputStream("../common/config.properties");
props.load(finstr);
data = props.getProperty("data");
} catch (IOException ioe) {
log_bad.warning("Error with stream reading");
} finally {
/* clean up stream reading objects */
try {
if (finstr != null) {
finstr.close();
}
} catch (IOException ioe) {
log_bad.warning("Error closing buffread");
}
}
}
/* INCIDENTAL: CWE 571 Statement is Always True */
if (private_final_five == 5) {
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));
}
}
public SimpleDigest() {
try {
digest = MessageDigest.getInstance("SHA-1");
} catch (NoSuchAlgorithmException e) {
try {
digest = MessageDigest.getInstance("MD5");
} catch (NoSuchAlgorithmException ne) {
digest = null;
hash = 13;
}
}
}
static {
try {
md5digest = MessageDigest.getInstance("MD5");
} catch (NoSuchAlgorithmException ex) {
throw new RuntimeException("no MD5 digester", ex);
}
try {
sha1digest = MessageDigest.getInstance("SHA1");
} catch (NoSuchAlgorithmException ex) {
throw new RuntimeException("no SHA1 digester", ex);
}
}
/** Tests SHA MessageDigest provider */
@TestTargetNew(
level = TestLevel.PARTIAL_COMPLETE,
notes = "",
method = "getInstance",
args = {java.lang.String.class})
public void testSHAProvider() {
MessageDigest md = null;
try {
md = MessageDigest.getInstance("SHA");
} catch (NoSuchAlgorithmException e) {
fail("unexpected exception: " + e);
}
byte[] bytes = new byte[] {1, 1, 1, 1, 1};
// Regression for HARMONY-1120
// testing combination with provider
try {
// offset < 0
md.update(bytes, -1, 1);
fail("No expected IndexOutOfBoundsException");
} catch (IndexOutOfBoundsException e) {
}
// No exception for len < 0
md.update(bytes, 1, -1);
// Regression for Harmony-1148
try {
md = MessageDigest.getInstance("SHA");
} catch (NoSuchAlgorithmException e) {
fail("unexpected exception: " + e);
}
try {
// offset < 0
md.digest(bytes, 0, -1);
fail("No expected DigestException");
} catch (DigestException e) {
}
try {
// len < 0
md.digest(bytes, -1, 0);
fail("No expected DigestException");
} catch (DigestException e) {
}
try {
md = MessageDigest.getInstance("UnknownDigest");
fail("expected NoSuchAlgorithmException");
} catch (NoSuchAlgorithmException e) {
// ok
}
}
static MessageDigest createDigestInstance(String digestAlgOID, Provider provider)
throws NoSuchAlgorithmException {
String digestName = TSPUtil.getDigestAlgName(digestAlgOID);
if (provider != null) {
try {
return MessageDigest.getInstance(digestName, provider);
} catch (NoSuchAlgorithmException e) {
// Ignore
}
}
return MessageDigest.getInstance(digestName);
}
private FSOutputStream(
FSRevisionNode revNode,
CountingOutputStream targetFileOS,
File targetFile,
InputStream source,
long deltaStart,
long repSize,
long repOffset,
FSTransactionRoot txnRoot,
boolean compress,
FSWriteLock txnLock)
throws SVNException {
myTxnRoot = txnRoot;
myTargetFileOS = targetFileOS;
myTargetFile = targetFile;
mySourceStream = source;
myDeltaStart = deltaStart;
myRepSize = repSize;
myRepOffset = repOffset;
isHeaderWritten = false;
myRevNode = revNode;
mySourceOffset = 0;
myIsClosed = false;
myTxnLock = txnLock;
myDeltaGenerator = new SVNDeltaGenerator(SVN_DELTA_WINDOW_SIZE);
myTextBuffer = new ByteArrayOutputStream();
try {
myMD5Digest = MessageDigest.getInstance("MD5");
} catch (NoSuchAlgorithmException nsae) {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.IO_ERROR,
"MD5 implementation not found: {0}",
nsae.getLocalizedMessage());
SVNErrorManager.error(err, nsae, SVNLogType.FSFS);
}
try {
mySHA1Digest = MessageDigest.getInstance("SHA1");
} catch (NoSuchAlgorithmException nsae) {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.IO_ERROR,
"SHA1 implementation not found: {0}",
nsae.getLocalizedMessage());
SVNErrorManager.error(err, nsae, SVNLogType.FSFS);
}
myIsCompress = compress;
}
/**
* Initialize the encryption system
*
* @param type - {@link Algorithm} to be used(e.g: MD5, SHA, ...)
*/
public Encrypter(Algorithm type) throws NoSuchAlgorithmException {
log.debug("Initializing the encrypter");
setType(type);
try {
digest = MessageDigest.getInstance(type.algorithm());
} catch (NoSuchAlgorithmException e) {
log.warn(
"The "
+ type.algorithm()
+ " algorithm is not available on current system...setting a default type - "
+ defaultType.algorithm(),
e);
digest = MessageDigest.getInstance(defaultType.algorithm());
}
}
/**
* * Login to the POP3 server with the given username and authentication information. Use this
* method when connecting to a server requiring authentication using the APOP command. Because the
* timestamp produced in the greeting banner varies from server to server, it is not possible to
* consistently extract the information. Therefore, after connecting to the server, you must call
* {@link org.apache.commons.net.pop3.POP3#getReplyString getReplyString } and parse out the
* timestamp information yourself.
*
* <p>You must first connect to the server with {@link org.apache.commons.net.SocketClient#connect
* connect } before attempting to login. A login attempt is only valid if the client is in the
* {@link org.apache.commons.net.pop3.POP3#AUTHORIZATION_STATE AUTHORIZATION_STATE } . After
* logging in, the client enters the {@link org.apache.commons.net.pop3.POP3#TRANSACTION_STATE
* TRANSACTION_STATE } . After connecting, you must parse out the server specific information to
* use as a timestamp, and pass that information to this method. The secret is a shared secret
* known to you and the server. See RFC 1939 for more details regarding the APOP command.
*
* <p>
*
* @param username The account name being logged in to.
* @param timestamp The timestamp string to combine with the secret.
* @param secret The shared secret which produces the MD5 digest when combined with the timestamp.
* @return True if the login attempt was successful, false if not.
* @exception IOException If a network I/O error occurs in the process of logging in.
* @exception NoSuchAlgorithmException If the MD5 encryption algorithm cannot be instantiated by
* the Java runtime system. *
*/
public boolean login(String username, String timestamp, String secret)
throws IOException, NoSuchAlgorithmException {
int i;
byte[] digest;
StringBuffer buffer, digestBuffer;
MessageDigest md5;
if (getState() != AUTHORIZATION_STATE) return false;
md5 = MessageDigest.getInstance("MD5");
timestamp += secret;
digest = md5.digest(timestamp.getBytes());
digestBuffer = new StringBuffer(128);
for (i = 0; i < digest.length; i++) digestBuffer.append(Integer.toHexString(digest[i] & 0xff));
buffer = new StringBuffer(256);
buffer.append(username);
buffer.append(' ');
buffer.append(digestBuffer.toString());
if (sendCommand(POP3Command.APOP, buffer.toString()) != POP3Reply.OK) return false;
setState(TRANSACTION_STATE);
return true;
}
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String param = request.getParameter("foo");
java.util.List<String> valuesList = new java.util.ArrayList<String>();
valuesList.add("safe");
valuesList.add(param);
valuesList.add("moresafe");
valuesList.remove(0); // remove the 1st safe value
String bar = valuesList.get(0); // get the param value
try {
java.security.MessageDigest md = java.security.MessageDigest.getInstance("SHA-512", "SUN");
} catch (java.security.NoSuchAlgorithmException e) {
System.out.println(
"Problem executing hash - TestCase java.security.MessageDigest.getInstance(java.lang.String,java.lang.String)");
throw new ServletException(e);
} catch (java.security.NoSuchProviderException e) {
System.out.println(
"Problem executing hash - TestCase java.security.MessageDigest.getInstance(java.lang.String,java.lang.String)");
throw new ServletException(e);
}
response
.getWriter()
.println(
"Hash Test java.security.MessageDigest.getInstance(java.lang.String,java.lang.String) executed");
}
// MD5加密，32位
public static String MD5(String str) {
MessageDigest md5 = null;
try {
md5 = MessageDigest.getInstance("MD5");
} catch (Exception e) {
e.printStackTrace();
return "";
}
char[] charArray = str.toCharArray();
byte[] byteArray = new byte[charArray.length];
for (int i = 0; i < charArray.length; i++) {
byteArray[i] = (byte) charArray[i];
}
byte[] md5Bytes = md5.digest(byteArray);
StringBuffer hexValue = new StringBuffer();
for (int i = 0; i < md5Bytes.length; i++) {
int val = ((int) md5Bytes[i]) & 0xff;
if (val < 16) {
hexValue.append("0");
}
hexValue.append(Integer.toHexString(val));
}
return hexValue.toString();
}
public static boolean isAuthenticated(String username, String connectionHash, SecretKey shared)
throws NoSuchAlgorithmException, IOException {
String encName = URLEncoder.encode(username, "UTF-8");
MessageDigest sha = MessageDigest.getInstance("SHA-1");
for (byte[] bit :
new byte[][] {
connectionHash.getBytes("ISO_8859_1"), shared.getEncoded(), keys.getPublic().getEncoded()
}) {
sha.update(bit);
}
String encodedHash = URLEncoder.encode(new BigInteger(sha.digest()).toString(16), "UTF-8");
String authURL =
"http://session.minecraft.net/game/checkserver.jsp?user="******"&serverId="
+ encodedHash;
String reply;
try (BufferedReader in =
new BufferedReader(new InputStreamReader(new URL(authURL).openStream()))) {
reply = in.readLine();
}
return "YES".equals(reply);
}
public static String md5(String plainText) {
String str;
try {
MessageDigest md = MessageDigest.getInstance("MD5");
md.update(plainText.getBytes());
byte b[] = md.digest();
int i;
StringBuffer buf = new StringBuffer("");
for (int offset = 0; offset < b.length; offset++) {
i = b[offset];
if (i < 0) i += 256;
if (i < 16) buf.append("0");
buf.append(Integer.toHexString(i));
}
str = buf.toString();
// System.out.println("result: " + buf.toString());// 32位的加密
// System.out.println("result: " + buf.toString().substring(8,
// 24));// 16位的加密
return str;
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
return null;
}
public PdfEncryption() {
try {
md5 = MessageDigest.getInstance("MD5");
} catch (Exception e) {
throw new ExceptionConverter(e);
}
}
private FSInputStream(SVNDeltaCombiner combiner, FSRepresentation representation, FSFS owner)
throws SVNException {
myCombiner = combiner;
myChunkIndex = 0;
isChecksumFinalized = false;
myHexChecksum = representation.getMD5HexDigest();
myOffset = 0;
myLength = representation.getExpandedSize();
try {
myDigest = MessageDigest.getInstance("MD5");
} catch (NoSuchAlgorithmException nsae) {
SVNErrorMessage err =
SVNErrorMessage.create(
SVNErrorCode.IO_ERROR,
"MD5 implementation not found: {0}",
nsae.getLocalizedMessage());
SVNErrorManager.error(err, nsae, SVNLogType.FSFS);
}
try {
buildRepresentationList(representation, myRepStateList, owner);
} catch (SVNException svne) {
/*
* Something terrible has happened while building rep list, need to
* close any files still opened
*/
close();
throw svne;
}
}
static {
try {
digest_ = new SafeMessageDigest(MessageDigest.getInstance("SHA-1"));
} catch (NoSuchAlgorithmException e) {
assert (false);
}
}
/**
* Returns a <code>MessageDigest</code> for the given <code>algorithm</code>.
*
* @param algorithm the name of the algorithm requested. See <a
* href="http://java.sun.com/j2se/1.3/docs/guide/security/CryptoSpec.html#AppA">Appendix A in
* the Java Cryptography Architecture API Specification & Reference</a> for information about
* standard algorithm names.
* @return An MD5 digest instance.
* @see MessageDigest#getInstance(String)
* @throws IllegalArgumentException when a {@link NoSuchAlgorithmException} is caught.
*/
public static MessageDigest getDigest(String algorithm) {
try {
return MessageDigest.getInstance(algorithm);
} catch (NoSuchAlgorithmException e) {
throw new IllegalArgumentException(e);
}
}
