asn1decoder.java

来自「一个非常好的ssh客户端实现」· Java 代码 · 共 35 行

/******************************************************************************
 *
 * Copyright (c) 1999-2003 AppGate Network Security AB. All Rights Reserved.
 * 
 * This file contains Original Code and/or Modifications of Original Code as
 * defined in and that are subject to the MindTerm Public Source License,
 * Version 2.0, (the 'License'). You may not use this file except in compliance
 * with the License.
 * 
 * You should have received a copy of the MindTerm Public Source License
 * along with this software; see the file LICENSE.  If not, write to
 * AppGate Network Security AB, Otterhallegatan 2, SE-41118 Goteborg, SWEDEN
 *
 *****************************************************************************/

package com.mindbright.asn1;

import java.io.InputStream;
import java.io.IOException;
import java.math.BigInteger;

public interface ASN1Decoder {
    public int        decode(InputStream in, ASN1Object object)
	throws IOException;
    public void decodeValue(InputStream in, int tag, int len,
			    ASN1Object object) throws IOException;
    public boolean    decodeBoolean(InputStream in, int len) throws IOException;
    public BigInteger decodeInteger(InputStream in, int len) throws IOException;
    public void       decodeNull(InputStream in, int len) throws IOException;
    public int[]      decodeOID(InputStream in, int len) throws IOException;
    public byte[]     decodeString(InputStream in, int len) throws IOException;
    public void       decodeStructure(InputStream in, int len,
				      ASN1Structure struct) throws IOException;
}