Java Code Examples for java.security.DigestInputStream#close()
The following examples show how to use
java.security.DigestInputStream#close() .
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Example 1
| Source File: Utils.java From java-scanner-access-twain with GNU Affero General Public License v3.0 | 7 votes |
|
static String getMd5(InputStream input) {
if(input == null) {
return null;
}
try {
MessageDigest md = MessageDigest.getInstance("MD5");
DigestInputStream dis = new DigestInputStream(input, md);
byte[] buffer = new byte[1024 * 8];
while(dis.read(buffer) != -1) {
;
}
dis.close();
byte[] raw = md.digest();
BigInteger bigInt = new BigInteger(1, raw);
StringBuilder hash = new StringBuilder(bigInt.toString(16));
while(hash.length() < 32 ){
hash.insert(0, '0');
}
return hash.toString();
} catch (Throwable t) {
return null;
}
}
Example 2
| Source File: Rd5DiffManager.java From brouter with MIT License | 6 votes |
|
public static String getMD5( File f ) throws Exception
{
MessageDigest md = MessageDigest.getInstance("MD5");
BufferedInputStream bis = new BufferedInputStream( new FileInputStream( f ) );
DigestInputStream dis = new DigestInputStream(bis, md);
byte[] buf = new byte[8192];
for(;;)
{
int len = dis.read( buf );
if ( len <= 0 )
{
break;
}
}
dis.close();
byte[] bytes = md.digest();
StringBuilder sb = new StringBuilder();
for (int j = 0; j < bytes.length; j++)
{
int v = bytes[j] & 0xff;
sb.append( hexChar( v >>> 4 ) ).append( hexChar( v & 0xf ) );
}
return sb.toString();
}
Example 3
| Source File: Utils.java From sheepit-client with GNU General Public License v2.0 | 6 votes |
|
public static String md5(String path_of_file_) {
try {
MessageDigest md = MessageDigest.getInstance("MD5");
InputStream is = Files.newInputStream(Paths.get(path_of_file_));
DigestInputStream dis = new DigestInputStream(is, md);
byte[] buffer = new byte[8192];
while (dis.read(buffer) > 0)
; // process the entire file
String data = DatatypeConverter.printHexBinary(md.digest()).toLowerCase();
dis.close();
is.close();
return data;
}
catch (NoSuchAlgorithmException | IOException e) {
return "";
}
}
Example 4
| Source File: Utils.java From java-ocr-api with GNU Affero General Public License v3.0 | 6 votes |
|
static String getMd5(InputStream input) {
if(input == null) {
return null;
}
try {
MessageDigest md = MessageDigest.getInstance("MD5");
DigestInputStream dis = new DigestInputStream(input, md);
byte[] buffer = new byte[1024 * 8];
while(dis.read(buffer) != -1) {
;
}
dis.close();
byte[] raw = md.digest();
BigInteger bigInt = new BigInteger(1, raw);
StringBuilder hash = new StringBuilder(bigInt.toString(16));
while(hash.length() < 32 ){
hash.insert(0, '0');
}
return hash.toString();
} catch (Throwable t) {
return null;
}
}
Example 5
| Source File: TestIOUtils.java From aws-encryption-sdk-java with Apache License 2.0 | 6 votes |
|
public static byte[] computeFileDigest(final String fileName) throws IOException {
try {
final FileInputStream fis = new FileInputStream(fileName);
final MessageDigest md = MessageDigest.getInstance("SHA-256");
final DigestInputStream dis = new DigestInputStream(fis, md);
final int readLen = 128;
final byte[] readBytes = new byte[readLen];
while (dis.read(readBytes) != -1) {
}
dis.close();
return md.digest();
} catch (NoSuchAlgorithmException e) {
// shouldn't get here since we hardcode the algorithm.
}
return null;
}
Example 6
| Source File: MD5Utils.java From okhttp-OkGo with Apache License 2.0 | 6 votes |
|
/**
* 获取文件的 MD5
*/
public static String encode(File file) {
try {
MessageDigest messageDigest = MessageDigest.getInstance("MD5");
FileInputStream inputStream = new FileInputStream(file);
DigestInputStream digestInputStream = new DigestInputStream(inputStream, messageDigest);
//必须把文件读取完毕才能拿到md5
byte[] buffer = new byte[4096];
while (digestInputStream.read(buffer) > -1) {
}
MessageDigest digest = digestInputStream.getMessageDigest();
digestInputStream.close();
byte[] md5 = digest.digest();
StringBuilder sb = new StringBuilder();
for (byte b : md5) {
sb.append(String.format("%02X", b));
}
return sb.toString().toLowerCase();
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
Example 7
| Source File: FileScan.java From fileserver with Apache License 2.0 | 6 votes |
|
public String getMd5(File f) throws IOException {
FileInputStream in = new FileInputStream(f);
DigestInputStream di = new DigestInputStream(in, md);
byte[] buffer = new byte[bufferSize];
while (di.read(buffer) > 0)
;
md = di.getMessageDigest();
di.close();
in.close();
byte[] digest = md.digest();
return byteArrayToHex(digest);
}
Example 8
| Source File: HttpProxyTask.java From open-rmbt with Apache License 2.0 | 6 votes |
|
/**
*
* @param inputStream
* @return
* @throws NoSuchAlgorithmException
* @throws IOException
*/
public static Md5Result generateChecksum(InputStream inputStream) throws NoSuchAlgorithmException, IOException {
Md5Result md5 = new Md5Result();
MessageDigest md = MessageDigest.getInstance("MD5");
DigestInputStream dis = new DigestInputStream(inputStream, md);
byte[] dataBytes = new byte[4096];
int nread = 0;
while ((nread = dis.read(dataBytes)) != -1) {
md5.contentLength += nread;
};
dis.close();
long startNs = System.nanoTime();
md5.md5 = generateChecksumFromDigest(md.digest());
md5.generatingTimeNs = System.nanoTime() - startNs;
return md5;
}
Example 9
| Source File: FileSnippet.java From mobly-bundled-snippets with Apache License 2.0 | 6 votes |
|
@Rpc(description = "Compute MD5 hash on a content URI. Return the MD5 has has a hex string.")
public String fileMd5Hash(String uri) throws IOException, NoSuchAlgorithmException {
Uri uri_ = Uri.parse(uri);
ParcelFileDescriptor pfd = mContext.getContentResolver().openFileDescriptor(uri_, "r");
MessageDigest md = MessageDigest.getInstance("MD5");
int length = (int) pfd.getStatSize();
byte[] buf = new byte[length];
ParcelFileDescriptor.AutoCloseInputStream stream =
new ParcelFileDescriptor.AutoCloseInputStream(pfd);
DigestInputStream dis = new DigestInputStream(stream, md);
try {
dis.read(buf, 0, length);
return Utils.bytesToHexString(md.digest());
} finally {
dis.close();
stream.close();
}
}
Example 10
| Source File: FileUtils.java From sofa-ark with Apache License 2.0 | 6 votes |
|
/**
* Generate a SHA.1 Hash for a given file.
* @param file the file to hash
* @return the hash value as a String
* @throws IOException if the file cannot be read
*/
public static String sha1Hash(File file) throws IOException {
try {
DigestInputStream inputStream = new DigestInputStream(new FileInputStream(file),
MessageDigest.getInstance("SHA-1"));
try {
byte[] buffer = new byte[4098];
while (inputStream.read(buffer) != -1) { //NOPMD
// Read the entire stream
}
return bytesToHex(inputStream.getMessageDigest().digest());
} finally {
inputStream.close();
}
} catch (NoSuchAlgorithmException ex) {
throw new IllegalStateException(ex);
}
}
Example 11
| Source File: Utils.java From SecuritySample with Apache License 2.0 | 5 votes |
|
private static byte[] getDigest(InputStream in, String algorithm) throws Throwable {
int BUFFER_SIZE = 2048;
MessageDigest md = MessageDigest.getInstance(algorithm);
try {
DigestInputStream dis = new DigestInputStream(in, md);
byte[] buffer = new byte[BUFFER_SIZE];
while (dis.read(buffer) != -1) {
//
}
dis.close();
} finally {
in.close();
}
return md.digest();
}
Example 12
| Source File: Main.java From hottub with GNU General Public License v2.0 | 5 votes |
|
/** Display the location and checksum of a class. */
void showClass(String className) {
PrintWriter pw = log.getWriter(WriterKind.NOTICE);
pw.println("javac: show class: " + className);
URL url = getClass().getResource('/' + className.replace('.', '/') + ".class");
if (url == null)
pw.println(" class not found");
else {
pw.println(" " + url);
try {
final String algorithm = "MD5";
byte[] digest;
MessageDigest md = MessageDigest.getInstance(algorithm);
DigestInputStream in = new DigestInputStream(url.openStream(), md);
try {
byte[] buf = new byte[8192];
int n;
do { n = in.read(buf); } while (n > 0);
digest = md.digest();
} finally {
in.close();
}
StringBuilder sb = new StringBuilder();
for (byte b: digest)
sb.append(String.format("%02x", b));
pw.println(" " + algorithm + " checksum: " + sb);
} catch (Exception e) {
pw.println(" cannot compute digest: " + e);
}
}
}
Example 13
| Source File: Main.java From javaide with GNU General Public License v3.0 | 5 votes |
|
/**
* Display the location and checksum of a class.
*/
void showClass(String className) {
out.println("javac: show class: " + className);
URL url = getClass().getResource('/' + className.replace('.', '/') + ".class");
if (url == null)
out.println(" class not found");
else {
out.println(" " + url);
try {
final String algorithm = "MD5";
byte[] digest;
MessageDigest md = MessageDigest.getInstance(algorithm);
DigestInputStream in = new DigestInputStream(url.openStream(), md);
try {
byte[] buf = new byte[8192];
int n;
do {
n = in.read(buf);
} while (n > 0);
digest = md.digest();
} finally {
in.close();
}
StringBuilder sb = new StringBuilder();
for (byte b : digest)
sb.append(String.format("%02x", b));
out.println(" " + algorithm + " checksum: " + sb);
} catch (Exception e) {
out.println(" cannot compute digest: " + e);
}
}
}
Example 14
| Source File: Main.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 5 votes |
|
/** Display the location and checksum of a class. */
void showClass(String className) {
PrintWriter pw = log.getWriter(WriterKind.NOTICE);
pw.println("javac: show class: " + className);
URL url = getClass().getResource('/' + className.replace('.', '/') + ".class");
if (url == null)
pw.println(" class not found");
else {
pw.println(" " + url);
try {
final String algorithm = "MD5";
byte[] digest;
MessageDigest md = MessageDigest.getInstance(algorithm);
DigestInputStream in = new DigestInputStream(url.openStream(), md);
try {
byte[] buf = new byte[8192];
int n;
do { n = in.read(buf); } while (n > 0);
digest = md.digest();
} finally {
in.close();
}
StringBuilder sb = new StringBuilder();
for (byte b: digest)
sb.append(String.format("%02x", b));
pw.println(" " + algorithm + " checksum: " + sb);
} catch (Exception e) {
pw.println(" cannot compute digest: " + e);
}
}
}
Example 15
| Source File: Main.java From openjdk-8 with GNU General Public License v2.0 | 5 votes |
|
/** Display the location and checksum of a class. */
void showClass(String className) {
PrintWriter pw = log.getWriter(WriterKind.NOTICE);
pw.println("javac: show class: " + className);
URL url = getClass().getResource('/' + className.replace('.', '/') + ".class");
if (url == null)
pw.println(" class not found");
else {
pw.println(" " + url);
try {
final String algorithm = "MD5";
byte[] digest;
MessageDigest md = MessageDigest.getInstance(algorithm);
DigestInputStream in = new DigestInputStream(url.openStream(), md);
try {
byte[] buf = new byte[8192];
int n;
do { n = in.read(buf); } while (n > 0);
digest = md.digest();
} finally {
in.close();
}
StringBuilder sb = new StringBuilder();
for (byte b: digest)
sb.append(String.format("%02x", b));
pw.println(" " + algorithm + " checksum: " + sb);
} catch (Exception e) {
pw.println(" cannot compute digest: " + e);
}
}
}
Example 16
| Source File: Main.java From openjdk-jdk8u with GNU General Public License v2.0 | 5 votes |
|
/** Display the location and checksum of a class. */
void showClass(String className) {
PrintWriter pw = log.getWriter(WriterKind.NOTICE);
pw.println("javac: show class: " + className);
URL url = getClass().getResource('/' + className.replace('.', '/') + ".class");
if (url == null)
pw.println(" class not found");
else {
pw.println(" " + url);
try {
final String algorithm = "MD5";
byte[] digest;
MessageDigest md = MessageDigest.getInstance(algorithm);
DigestInputStream in = new DigestInputStream(url.openStream(), md);
try {
byte[] buf = new byte[8192];
int n;
do { n = in.read(buf); } while (n > 0);
digest = md.digest();
} finally {
in.close();
}
StringBuilder sb = new StringBuilder();
for (byte b: digest)
sb.append(String.format("%02x", b));
pw.println(" " + algorithm + " checksum: " + sb);
} catch (Exception e) {
pw.println(" cannot compute digest: " + e);
}
}
}
Example 17
| Source File: Main.java From java-n-IDE-for-Android with Apache License 2.0 | 5 votes |
|
/**
* Display the location and checksum of a class.
*/
void showClass(String className) {
out.println("javac: show class: " + className);
URL url = getClass().getResource('/' + className.replace('.', '/') + ".class");
if (url == null)
out.println(" class not found");
else {
out.println(" " + url);
try {
final String algorithm = "MD5";
byte[] digest;
MessageDigest md = MessageDigest.getInstance(algorithm);
DigestInputStream in = new DigestInputStream(url.openStream(), md);
try {
byte[] buf = new byte[8192];
int n;
do {
n = in.read(buf);
} while (n > 0);
digest = md.digest();
} finally {
in.close();
}
StringBuilder sb = new StringBuilder();
for (byte b : digest)
sb.append(String.format("%02x", b));
out.println(" " + algorithm + " checksum: " + sb);
} catch (Exception e) {
out.println(" cannot compute digest: " + e);
}
}
}
Example 18
| Source File: Main.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
/** Display the location and checksum of a class. */
void showClass(String className) {
PrintWriter pw = log.getWriter(WriterKind.NOTICE);
pw.println("javac: show class: " + className);
URL url = getClass().getResource('/' + className.replace('.', '/') + ".class");
if (url == null)
pw.println(" class not found");
else {
pw.println(" " + url);
try {
final String algorithm = "MD5";
byte[] digest;
MessageDigest md = MessageDigest.getInstance(algorithm);
DigestInputStream in = new DigestInputStream(url.openStream(), md);
try {
byte[] buf = new byte[8192];
int n;
do { n = in.read(buf); } while (n > 0);
digest = md.digest();
} finally {
in.close();
}
StringBuilder sb = new StringBuilder();
for (byte b: digest)
sb.append(String.format("%02x", b));
pw.println(" " + algorithm + " checksum: " + sb);
} catch (Exception e) {
pw.println(" cannot compute digest: " + e);
}
}
}
Example 19
| Source File: f.java From MiBandDecompiled with Apache License 2.0 | 4 votes |
|
public void a()
{
if (j == null || !(new File(j)).exists())
{
Message message = l.obtainMessage();
message.what = -5;
message.obj = new String("");
l.sendMessage(message);
return;
}
k.onPrepareStart();
File file = new File(j);
m = file.length();
try
{
MessageDigest messagedigest = MessageDigest.getInstance("SHA-1");
FileInputStream fileinputstream = new FileInputStream(file);
DigestInputStream digestinputstream = new DigestInputStream(fileinputstream, messagedigest);
for (byte abyte0[] = new byte[0x80000]; digestinputstream.read(abyte0) > 0;) { }
MessageDigest messagedigest1 = digestinputstream.getMessageDigest();
n = DataConvert.toHexString(messagedigest1.digest());
messagedigest1.reset();
fileinputstream.close();
digestinputstream.close();
}
catch (Exception exception)
{
Message message1 = l.obtainMessage();
message1.what = -2;
message1.obj = new String("");
l.sendMessage(message1);
return;
}
try
{
MessageDigest messagedigest2 = MessageDigest.getInstance("MD5");
FileInputStream fileinputstream1 = new FileInputStream(file);
DigestInputStream digestinputstream1 = new DigestInputStream(fileinputstream1, messagedigest2);
for (byte abyte1[] = new byte[0x80000]; digestinputstream1.read(abyte1) > 0;) { }
MessageDigest messagedigest3 = digestinputstream1.getMessageDigest();
o = DataConvert.toHexString(messagedigest3.digest());
messagedigest3.reset();
fileinputstream1.close();
digestinputstream1.close();
}
catch (Exception exception1)
{
Message message2 = l.obtainMessage();
message2.what = -2;
message2.obj = new String("");
l.sendMessage(message2);
return;
}
b();
}
