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A pure-java CIFS/SMB client library
/*
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package jcifs.pac;
import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.IOException;
@SuppressWarnings ( "javadoc" )
public class PacSignature {
public static final int KERB_CHECKSUM_HMAC_MD5 = 0xFFFFFF76;
public static final int HMAC_SHA1_96_AES128 = 0x0000000F;
public static final int HMAC_SHA1_96_AES256 = 0x00000010;
public static final int ETYPE_ARCFOUR_HMAC = 23;
public static final int ETYPE_AES128_CTS_HMAC_SHA1_96 = 17;
public static final int ETYPE_AES256_CTS_HMAC_SHA1_96 = 18;
private int type;
private byte[] checksum;
public PacSignature ( byte[] data ) throws PACDecodingException {
try {
PacDataInputStream bufferStream = new PacDataInputStream(new DataInputStream(new ByteArrayInputStream(data)));
this.type = bufferStream.readInt();
switch ( this.type ) {
case KERB_CHECKSUM_HMAC_MD5:
this.checksum = new byte[16];
break;
case HMAC_SHA1_96_AES128:
case HMAC_SHA1_96_AES256:
this.checksum = new byte[12];
break;
default:
this.checksum = new byte[bufferStream.available()];
break;
}
bufferStream.readFully(this.checksum);
}
catch ( IOException e ) {
throw new PACDecodingException("Malformed PAC signature", e);
}
}
public int getType () {
return this.type;
}
public byte[] getChecksum () {
return this.checksum;
}
}
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