subject_public_key_info.java

这个是自由下载的

/**
 * @(#)SUBJECT_PUBLIC_KEY_INFO.java  2003/05/05
 *
 * Copyright(c) 2003  Wellhope Inc. All rights reserved.
 */

package psic;

/**
* @Title SUBJECT_PUBLIC_KEY_INFO Class
* @Description SUBJECT_PUBLIC_KEY_INFO类定义记录客体的公钥信息
* @Version 1.0.0
* @Author Zhuchengmin
*/

public class SUBJECT_PUBLIC_KEY_INFO
{
	private final int MAX_ALGO_SIZE = 30;//加密算法ID最大长度
    private byte[] encryptionAlgo;//加密算法ID
    public PKI_DATA subjectPubKey;//公钥数据

    public SUBJECT_PUBLIC_KEY_INFO()
    {
       encryptionAlgo=null;
       subjectPubKey=new PKI_DATA();
    }

    /* ========== 设置加密算法 ========= */
    public void setEncryptionAlgoByteArray(byte[] val)
    {
        encryptionAlgo = fillBytes(val, MAX_ALGO_SIZE);
    }

    /* ========== 获取加密算法 ========= */
    public byte[] getEncryptionAlgoByteArray()
    {
        return encryptionAlgo;
    }

    private byte[] fillBytes(byte[] b_in, int size)
    {
        byte[] b_out = new byte[size];

        for(int i=0;i<size;i++)
        {
           if(i>=b_in.length)
              b_out[i]=0;
           else
              b_out[i]=b_in[i];
        }

        return b_out;
    }
}