-/*
- * 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;
import java.io.File;
/** Utilities around cryptographic digests */
public class DigestUtils {
+ public final static String MD5 = "MD5";
public final static String SHA1 = "SHA1";
+ public final static String SHA256 = "SHA-256";
+ public final static String SHA512 = "SHA-512";
private static Boolean debug = false;
- // TODO: make it writable
+ // TODO: make it configurable
private final static Integer byteBufferCapacity = 100 * 1024;// 100 KB
public static byte[] sha1(byte[] bytes) {
digest.update(bytes);
byte[] checksum = digest.digest();
return checksum;
- } catch (Exception e) {
- throw new UtilsException("Cannot SHA1 digest", e);
+ } catch (NoSuchAlgorithmException e) {
+ throw new IllegalArgumentException(e);
}
}
byte[] checksum = digest.digest();
String res = encodeHexString(checksum);
return res;
- } catch (Exception e) {
- throw new UtilsException("Cannot digest with algorithm " + algorithm, e);
+ } catch (NoSuchAlgorithmException e) {
+ throw new IllegalArgumentException("Cannot digest with algorithm " + algorithm, e);
}
}
byte[] checksum = digest.digest();
String res = encodeHexString(checksum);
return res;
- } catch (Exception e) {
- throw new UtilsException("Cannot digest with algorithm " + algorithm, e);
+ } catch (NoSuchAlgorithmException e) {
+ throw new IllegalArgumentException("Cannot digest with algorithm " + algorithm, e);
+ } catch (IOException e) {
+ throw new RuntimeException(e);
} finally {
StreamUtils.closeQuietly(in);
}
ByteBuffer bb = fc.map(FileChannel.MapMode.READ_ONLY, 0, sz);
return digest(algorithm, bb);
} catch (IOException e) {
- throw new UtilsException("Cannot digest " + file + " with algorithm " + algorithm, e);
+ throw new IllegalArgumentException("Cannot digest " + file + " with algorithm " + algorithm, e);
} finally {
StreamUtils.closeQuietly(fis);
if (fc.isOpen())
System.out.println((end - begin) + " ms / " + ((end - begin) / 1000) + " s");
return res;
} catch (NoSuchAlgorithmException e) {
- throw new UtilsException("Cannot digest with algorithm " + algorithm, e);
+ throw new IllegalArgumentException("Cannot digest with algorithm " + algorithm, e);
}
}
if (debug)
System.out.println((end - begin) + " ms / " + ((end - begin) / 1000) + " s");
return md.digest();
- } catch (Exception e) {
- throw new UtilsException("Cannot digest " + file + " with algorithm " + algorithm, e);
+ } catch (NoSuchAlgorithmException e) {
+ throw new IllegalArgumentException("Cannot digest " + file + " with algorithm " + algorithm, e);
+ } catch (IOException e) {
+ throw new RuntimeException("Cannot digest " + file + " with algorithm " + algorithm, e);
}
}