X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=org.argeo.util%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Futil%2Fsecurity%2FDigestUtils.java;fp=org.argeo.util%2Fsrc%2Fmain%2Fjava%2Forg%2Fargeo%2Futil%2Fsecurity%2FDigestUtils.java;h=0000000000000000000000000000000000000000;hb=eebaa683a3c470ad22a5eaa5c32f816a2ea2cbbb;hp=b6aae6fd4988925b62da9d060bc9958f93d91c3e;hpb=d08dc639576f693e0a88de2b6e012298baec2936;p=lgpl%2Fargeo-commons.git

diff --git a/org.argeo.util/src/main/java/org/argeo/util/security/DigestUtils.java b/org.argeo.util/src/main/java/org/argeo/util/security/DigestUtils.java
deleted file mode 100644
index b6aae6fd4..000000000
--- a/org.argeo.util/src/main/java/org/argeo/util/security/DigestUtils.java
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
- * Copyright (C) 2007-2012 Argeo GmbH
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.argeo.util.security;
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.nio.ByteBuffer;
-import java.nio.channels.FileChannel;
-import java.security.MessageDigest;
-import java.security.NoSuchAlgorithmException;
-
-import org.argeo.ArgeoException;
-import org.argeo.StreamUtils;
-
-/** Utilities around cryptographic digests */
-public class DigestUtils {
-	private static Boolean debug = true;
-	// TODO: make it writable
-	private final static Integer byteBufferCapacity = 100 * 1024;// 100 KB
-
-	public static String digest(String algorithm, byte[] bytes) {
-		try {
-			MessageDigest digest = MessageDigest.getInstance(algorithm);
-			digest.update(bytes);
-			byte[] checksum = digest.digest();
-			String res = StreamUtils.encodeHexString(checksum);
-			return res;
-		} catch (Exception e) {
-			throw new ArgeoException("Cannot digest with algorithm "
-					+ algorithm, e);
-		}
-	}
-
-	public static String digest(String algorithm, InputStream in) {
-		try {
-			MessageDigest digest = MessageDigest.getInstance(algorithm);
-			// ReadableByteChannel channel = Channels.newChannel(in);
-			// ByteBuffer bb = ByteBuffer.allocateDirect(byteBufferCapacity);
-			// while (channel.read(bb) > 0)
-			// digest.update(bb);
-			byte[] buffer = new byte[byteBufferCapacity];
-			int read = 0;
-			while ((read = in.read(buffer)) > 0) {
-				digest.update(buffer, 0, read);
-			}
-
-			byte[] checksum = digest.digest();
-			String res = StreamUtils.encodeHexString(checksum);
-			return res;
-		} catch (Exception e) {
-			throw new ArgeoException("Cannot digest with algorithm "
-					+ algorithm, e);
-		} finally {
-			StreamUtils.closeQuietly(in);
-		}
-	}
-
-	public static String digest(String algorithm, File file) {
-		FileInputStream fis = null;
-		FileChannel fc = null;
-		try {
-			fis = new FileInputStream(file);
-			fc = fis.getChannel();
-
-			// Get the file's size and then map it into memory
-			int sz = (int) fc.size();
-			ByteBuffer bb = fc.map(FileChannel.MapMode.READ_ONLY, 0, sz);
-			return digest(algorithm, bb);
-		} catch (IOException e) {
-			throw new ArgeoException("Cannot digest " + file
-					+ " with algorithm " + algorithm, e);
-		} finally {
-			StreamUtils.closeQuietly(fis);
-			if (fc.isOpen())
-				try {
-					fc.close();
-				} catch (IOException e) {
-					// silent
-				}
-		}
-	}
-
-	protected static String digest(String algorithm, ByteBuffer bb) {
-		long begin = System.currentTimeMillis();
-		try {
-			MessageDigest digest = MessageDigest.getInstance(algorithm);
-			digest.update(bb);
-			byte[] checksum = digest.digest();
-			String res = StreamUtils.encodeHexString(checksum);
-			long end = System.currentTimeMillis();
-			if (debug)
-				System.out.println((end - begin) + " ms / "
-						+ ((end - begin) / 1000) + " s");
-			return res;
-		} catch (NoSuchAlgorithmException e) {
-			throw new ArgeoException("Cannot digest with algorithm "
-					+ algorithm, e);
-		}
-	}
-
-	public static void main(String[] args) {
-		File file;
-		if (args.length > 0)
-			file = new File(args[0]);
-		else {
-			System.err.println("Usage: <file> [<algorithm>]"
-					+ " (see http://java.sun.com/j2se/1.5.0/"
-					+ "docs/guide/security/CryptoSpec.html#AppA)");
-			return;
-		}
-
-		if (args.length > 1) {
-			String algorithm = args[1];
-			System.out.println(digest(algorithm, file));
-		} else {
-			String algorithm = "MD5";
-			System.out.println(algorithm + ": " + digest(algorithm, file));
-			algorithm = "SHA";
-			System.out.println(algorithm + ": " + digest(algorithm, file));
-			algorithm = "SHA-256";
-			System.out.println(algorithm + ": " + digest(algorithm, file));
-			algorithm = "SHA-512";
-			System.out.println(algorithm + ": " + digest(algorithm, file));
-		}
-	}
-
-}