dorkbox
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Utilities
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removed dead code

This commit is contained in:
nathan 2014-10-02 01:45:14 +02:00
parent c01411ac52
commit 2cfdec4875
1 changed files with 0 additions and 110 deletions
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110
Dorkbox-Util/src/dorkbox/util/crypto/Crypto.java
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@ -1,7 +1,6 @@
package dorkbox.util.crypto;
import java.io.BufferedOutputStream;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
@ -18,7 +17,6 @@ import java.util.Arrays;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import java.util.jar.JarOutputStream;
import org.bouncycastle.crypto.AsymmetricBlockCipher;
import org.bouncycastle.crypto.AsymmetricCipherKeyPair;
@ -216,114 +214,6 @@ public class Crypto {
return digestBytes;
}
/**
* return the hash of the specified files/directories inside the jar.
*/
public static final byte[] hashJarContents(JarFile jarFile, Digest digest, String... filesOrDirsToHash) throws IOException {
Enumeration<JarEntry> jarElements = jarFile.entries();
boolean okToHash = false;
byte[] buffer = new byte[2048];
int read = 0;
digest.reset();
while (jarElements.hasMoreElements()) {
JarEntry jarEntry = jarElements.nextElement();
String name = jarEntry.getName();
okToHash = !jarEntry.isDirectory();
if (!okToHash) {
continue;
}
okToHash = false;
if (filesOrDirsToHash != null) {
for (String dir : filesOrDirsToHash) {
if (name.startsWith(dir)) {
okToHash = true;
break;
}
}
} else {
okToHash = true;
}
if (okToHash) {
InputStream inputStream = jarFile.getInputStream(jarEntry);
while ((read = inputStream.read(buffer)) > 0) {
digest.update(buffer, 0, read);
}
inputStream.close();
}
}
byte[] digestBytes = new byte[digest.getDigestSize()];
digest.doFinal(digestBytes, 0);
return digestBytes;
}
/**
* Encrypts the contents (avoiding the specified files/dirs) of a jar.
*
* This will KEEP the order of the contents of the jar!
* @throws IOException
*/
public static void encryptJarContents(JarFile jarFile, GCMBlockCipher aesEngine, byte[] aesRaw, byte[] ivRaw,
String... filesOrdirectoriesToAvoid) throws IOException {
// encrypt to a stream, then save that stream BACK to the file... "in place encryption"
int blockSize = aesEngine.getUnderlyingCipher().getBlockSize();
byte[] aesKey = new byte[blockSize];
byte[] ivKey = new byte[blockSize];
System.arraycopy(aesRaw, 0, aesKey, 0, blockSize);
System.arraycopy(ivKey, 0, ivRaw, 0, blockSize);
// now encrypt the jar
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
JarOutputStream jarOutputStream = new JarOutputStream(new BufferedOutputStream(byteArrayOutputStream));
jarOutputStream.setLevel(9); // COMPRESSION LEVEL
boolean okToCrypt = false;
Enumeration<JarEntry> jarEntries = jarFile.entries();
while (jarEntries.hasMoreElements()) {
JarEntry jarEntry = jarEntries.nextElement();
String name = jarEntry.getName();
okToCrypt = !jarEntry.isDirectory();
if (!okToCrypt) {
continue;
}
okToCrypt = true;
for (String dir : filesOrdirectoriesToAvoid) {
if (name.startsWith(dir)) {
okToCrypt = false;
break;
}
}
if (okToCrypt) {
InputStream inputStream = jarFile.getInputStream(jarEntry);
Crypto.AES.encryptStream(aesEngine, aesKey, ivKey, inputStream, jarOutputStream);
inputStream.close();
jarOutputStream.flush();
jarOutputStream.closeEntry();
}
}
// finish the stream that we have been writing to
jarOutputStream.finish();
jarOutputStream.close();
jarFile.close();
}
/**
* Hash an input stream, based on the specified digest
*/