destest.java

DES算法的JAVA实现源代码

	{(byte)0xC1,(byte)0x97,(byte)0xF5,(byte)0x58,
	 (byte)0x74,(byte)0x8A,(byte)0x20,(byte)0xE7},
	{(byte)0x43,(byte)0x34,(byte)0xCF,(byte)0xDA,
	 (byte)0x22,(byte)0xC4,(byte)0x86,(byte)0xC8},
	{(byte)0x08,(byte)0xD7,(byte)0xB4,(byte)0xFB,
	 (byte)0x62,(byte)0x9D,(byte)0x08,(byte)0x85}};

  public static byte cbc_key[] = {
    (byte)0x01,(byte)0x23,(byte)0x45,(byte)0x67,
    (byte)0x89,(byte)0xab,(byte)0xcd,(byte)0xef};
  public static byte cbc2_key[] = {
    (byte)0xf0,(byte)0xe1,(byte)0xd2,(byte)0xc3,
    (byte)0xb4,(byte)0xa5,(byte)0x96,(byte)0x87};
  public static byte cbc3_key[] = {
    (byte)0xfe,(byte)0xdc,(byte)0xba,(byte)0x98,
    (byte)0x76,(byte)0x54,(byte)0x32,(byte)0x10};

  public static byte cbc_iv[] = {
    (byte)0xfe,(byte)0xdc,(byte)0xba,(byte)0x98,
    (byte)0x76,(byte)0x54,(byte)0x32,(byte)0x10};

  static byte cbc_data[] = new byte [40];
  static String cbc_string = "7654321 Now is the time for ";

  public static byte cbc_ok[] = {
	(byte)0xcc,(byte)0xd1,(byte)0x73,(byte)0xff,
	(byte)0xab,(byte)0x20,(byte)0x39,(byte)0xf4,
	(byte)0xac,(byte)0xd8,(byte)0xae,(byte)0xfd,
	(byte)0xdf,(byte)0xd8,(byte)0xa1,(byte)0xeb,
	(byte)0x46,(byte)0x8e,(byte)0x91,(byte)0x15,
	(byte)0x78,(byte)0x88,(byte)0xba,(byte)0x68,
	(byte)0x1d,(byte)0x26,(byte)0x93,(byte)0x97,
	(byte)0xf7,(byte)0xfe,(byte)0x62,(byte)0xb4};

  public static byte cbc3_ok[] = {
	(byte)0x3F,(byte)0xE3,(byte)0x01,(byte)0xC9,
	(byte)0x62,(byte)0xAC,(byte)0x01,(byte)0xD0,
	(byte)0x22,(byte)0x13,(byte)0x76,(byte)0x3C,
	(byte)0x1C,(byte)0xBD,(byte)0x4C,(byte)0xDC,
	(byte)0x79,(byte)0x96,(byte)0x57,(byte)0xC0,
	(byte)0x64,(byte)0xEC,(byte)0xF5,(byte)0xD4,
	(byte)0x1C,(byte)0x67,(byte)0x38,(byte)0x12,
	(byte)0xCF,(byte)0xDE,(byte)0x96,(byte)0x75};

  public static byte pcbc_ok[] = {
	(byte)0xcc,(byte)0xd1,(byte)0x73,(byte)0xff,
	(byte)0xab,(byte)0x20,(byte)0x39,(byte)0xf4,
	(byte)0x6d,(byte)0xec,(byte)0xb4,(byte)0x70,
	(byte)0xa0,(byte)0xe5,(byte)0x6b,(byte)0x15,
	(byte)0xae,(byte)0xa6,(byte)0xbf,(byte)0x61,
	(byte)0xed,(byte)0x7d,(byte)0x9c,(byte)0x9f,
	(byte)0xf7,(byte)0x17,(byte)0x46,(byte)0x3b,
	(byte)0x8a,(byte)0xb3,(byte)0xcc,(byte)0x88};

  public static byte cfb_key[] = {
    (byte)0x01,(byte)0x23,(byte)0x45,(byte)0x67,
    (byte)0x89,(byte)0xab,(byte)0xcd,(byte)0xef};
  public static byte cfb_iv[] = {
    (byte)0x12,(byte)0x34,(byte)0x56,(byte)0x78,
    (byte)0x90,(byte)0xab,(byte)0xcd,(byte)0xef};

  public static byte cfb_buf1[] = new byte [40];
  public static byte cfb_buf2[] = new byte [40];
  public static byte cfb_tmp[] = new byte [8];

  public static byte plain[] = {
	(byte)0x4e,(byte)0x6f,(byte)0x77,(byte)0x20,
	(byte)0x69,(byte)0x73,(byte)0x20,(byte)0x74,
	(byte)0x68,(byte)0x65,(byte)0x20,(byte)0x74,
	(byte)0x69,(byte)0x6d,(byte)0x65,(byte)0x20,
	(byte)0x66,(byte)0x6f,(byte)0x72,(byte)0x20,
	(byte)0x61,(byte)0x6c,(byte)0x6c,(byte)0x20
	};

  public static byte cfb_cipher8[]= {
	(byte)0xf3,(byte)0x1f,(byte)0xda,(byte)0x07,
	(byte)0x01,(byte)0x14,(byte)0x62,(byte)0xee,
	(byte)0x18,(byte)0x7f,(byte)0x43,(byte)0xd8,
	(byte)0x0a,(byte)0x7c,(byte)0xd9,(byte)0xb5,
	(byte)0xb0,(byte)0xd2,(byte)0x90,(byte)0xda,
	(byte)0x6e,(byte)0x5b,(byte)0x9a,(byte)0x87 };

  public static byte cfb_cipher16[] = {
	(byte)0xF3,(byte)0x09,(byte)0x87,(byte)0x87,
	(byte)0x7F,(byte)0x57,(byte)0xF7,(byte)0x3C,
	(byte)0x36,(byte)0xB6,(byte)0xDB,(byte)0x70,
	(byte)0xD8,(byte)0xD5,(byte)0x34,(byte)0x19,
	(byte)0xD3,(byte)0x86,(byte)0xB2,(byte)0x23,
	(byte)0xB7,(byte)0xB2,(byte)0xAD,(byte)0x1B };

  public static byte cfb_cipher32[] = {
	(byte)0xF3,(byte)0x09,(byte)0x62,(byte)0x49,
	(byte)0xA4,(byte)0xDF,(byte)0xA4,(byte)0x9F,
	(byte)0x33,(byte)0xDC,(byte)0x7B,(byte)0xAD,
	(byte)0x4C,(byte)0xC8,(byte)0x9F,(byte)0x64,
	(byte)0xE4,(byte)0x53,(byte)0xE5,(byte)0xEC,
	(byte)0x67,(byte)0x20,(byte)0xDA,(byte)0xB6 };

  public static byte cfb_cipher48[] = {
	(byte)0xF3,(byte)0x09,(byte)0x62,(byte)0x49,
	(byte)0xC7,(byte)0xF4,(byte)0x30,(byte)0xB5,
	(byte)0x15,(byte)0xEC,(byte)0xBB,(byte)0x85,
	(byte)0x97,(byte)0x5A,(byte)0x13,(byte)0x8C,
	(byte)0x68,(byte)0x60,(byte)0xE2,(byte)0x38,
	(byte)0x34,(byte)0x3C,(byte)0xDC,(byte)0x1F };

  public static byte cfb_cipher64[] = {
	(byte)0xF3,(byte)0x09,(byte)0x62,(byte)0x49,
	(byte)0xC7,(byte)0xF4,(byte)0x6E,(byte)0x51,
	(byte)0xA6,(byte)0x9E,(byte)0x83,(byte)0x9B,
	(byte)0x1A,(byte)0x92,(byte)0xF7,(byte)0x84,
	(byte)0x03,(byte)0x46,(byte)0x71,(byte)0x33,
	(byte)0x89,(byte)0x8E,(byte)0xA6,(byte)0x22 };

  public static byte ofb_key[] = {
    (byte)0x01,(byte)0x23,(byte)0x45,(byte)0x67,
    (byte)0x89,(byte)0xab,(byte)0xcd,(byte)0xef};

  public static byte ofb_iv[] = {
    (byte)0x12,(byte)0x34,(byte)0x56,(byte)0x78,
    (byte)0x90,(byte)0xab,(byte)0xcd,(byte)0xef};

  public static byte ofb_buf1[] = new byte[24];
  public static byte ofb_buf2[] = new byte[24];
  public static byte ofb_tmp[] = new byte[8];

  public static byte ofb_cipher[] = {
	(byte)0xf3,(byte)0x09,(byte)0x62,(byte)0x49,
	(byte)0xc7,(byte)0xf4,(byte)0x6e,(byte)0x51,
	(byte)0x35,(byte)0xf2,(byte)0x4a,(byte)0x24,
	(byte)0x2e,(byte)0xeb,(byte)0x3d,(byte)0x3f,
	(byte)0x3d,(byte)0x6d,(byte)0x5b,(byte)0xe3,
	(byte)0x25,(byte)0x5a,(byte)0xf8,(byte)0xc3
	};

  static int cbc_cksum_ret = 0xB462FEF7;

  public static byte cbc_cksum_data[] = {
    (byte)0x1D,(byte)0x26,(byte)0x93,(byte)0x97,
    (byte)0xf7,(byte)0xfe,(byte)0x62,(byte)0xb4};


  public static void memcpy(byte [] out, byte [] in, int len) {
    System.arraycopy( in, 0, out, 0, len);
  }

  public static void memset(byte [] out, byte c, int len) {
    int i;
    for(i = 0; i < len; i++) {
      out[i] = c;
    }
  }

  public static boolean memcmp(byte [] out, byte [] in, int len) {
    int i;
    for(i = 0; i < len; i++) {
      if(out[i] != in[i]) {
	return true;
      }
    }
    return false;
  }

  public static void printhex(byte [] array) {

    if((array.length % 8) != 0) {
      System.out.print("array not multiple of 8 bytes\n");
      return;
    }
    int i;
    for( i = 0; i < array.length / 8; i++) {
      int j;
      for( j = 0; j < 8; j++) {
        byte hival = (byte)((array[(i*8) + j]&0xf0) >>> 4);
        byte loval = (byte)(array[(i*8) + j] & 0xf);
        char ch;
        System.out.print("0x");
        if(hival < 10) {
          ch = (char)((byte)'0' + hival);
        } else {
          ch = (char)((byte)'A' + hival - 10);
        }
        System.out.print(ch);
        if(loval < 10) {
          ch = (char)((byte)'0' + loval);
        } else {
          ch = (char)((byte)'A' + loval - 10);
        }
        System.out.print(ch);
        System.out.print(" ");
      }
      System.out.println();
    }
  }
  
  public static boolean cfb_test(int bits, byte [] cfb_cipher) {
    boolean err = false;
    Des des = new Des(new DesKey(cfb_key, false));

    memcpy(cfb_tmp, cfb_iv, cfb_iv.length);
    des.cfb_encrypt(plain, 0, plain.length, 
		    cfb_buf1, 0,
		    bits,
		    cfb_tmp,
		    Des.ENCRYPT);
    if (memcmp(cfb_cipher,cfb_buf1, plain.length) != false) {
      err = true;
      System.out.println("cfb_encrypt encrypt error");
      printhex(cfb_buf1);
    }
    memcpy(cfb_tmp, cfb_iv, cfb_iv.length);
    des.cfb_encrypt(cfb_buf1, 0, plain.length, 
		    cfb_buf2, 0, 
		    bits,
		    cfb_tmp,
		    Des.DECRYPT);
    if (memcmp(plain, cfb_buf2, plain.length) != false) {
	err = true;
	System.out.println("cfb_encrypt decrypt error");	
	System.out.println("plain buf = ");
	printhex(plain);
	System.out.println("cfb_buf2 = ");
	printhex(cfb_buf2);
      }
    return(err);
  }

  public static boolean cfb64_test(byte [] cfb_cipher) {
    Des des = new Des(new DesKey(cfb_key, false));
    boolean err = false;
    int [] n = new int [ 1 ];
    
    memcpy(cfb_tmp,cfb_iv, cfb_iv.length);
    n[0] = 0;
    des.cfb64_encrypt(plain, 0, 12, 
		      cfb_buf1, 0,
		      cfb_tmp,
		      n,
		      Des.ENCRYPT);
    des.cfb64_encrypt(plain, 12, plain.length - 12,
		      cfb_buf1, 12,
		      cfb_tmp,
		      n,
		      Des.ENCRYPT);
    if (memcmp(cfb_cipher,cfb_buf1, plain.length) != false) {
      err = true;
      System.out.println("cfb_encrypt encrypt error");
      printhex(cfb_cipher);
      printhex(cfb_buf1);
      return err;
    }
    memcpy(cfb_tmp, cfb_iv, cfb_iv.length);
    n[0] = 0;
    des.cfb64_encrypt(cfb_buf1, 0, 17,
		      cfb_buf2, 0,
		      cfb_tmp,
		      n,
		      Des.DECRYPT);
    des.cfb64_encrypt(cfb_buf1, 17, plain.length - 17,
		      cfb_buf2, 17,
		      cfb_tmp,
		      n,
		      Des.DECRYPT);
    if (memcmp(plain,cfb_buf2,plain.length) != false) {
      err = true;
      System.out.println("cfb_encrypt decrypt error");
      printhex(plain);
      printhex(cfb_buf2);
    }
    return(err);
  }

  public static boolean ede_cfb64_test(byte [] cfb_cipher) {
    DesKey ks = new DesKey(cfb_key, false);
    TripleDes des3 = new TripleDes(ks, ks, ks);
    boolean err = false;
    int i;
    int [] ref_to_n = new int [1];
    
    memcpy(cfb_tmp, cfb_iv, cfb_iv.length);
    ref_to_n[0] = 0;

    des3.cfb64_encrypt(plain,0, 12,
		       cfb_buf1, 0,
		       cfb_tmp,
		       ref_to_n,Des.ENCRYPT);
    des3.cfb64_encrypt(plain, 12, plain.length - 12,
		       cfb_buf1, 12,
		       cfb_tmp,
		       ref_to_n,Des.ENCRYPT);
    if (memcmp(cfb_cipher,cfb_buf1, plain.length) != false) {
	err= true;
	System.out.println("ede_cfb_encrypt encrypt error");
	printhex(cfb_buf1);
    }
    memcpy(cfb_tmp, cfb_iv, cfb_iv.length);
    ref_to_n[0] = 0;
    des3.cfb64_encrypt(cfb_buf1, 0, 17,
		       cfb_buf2, 0,
		       cfb_tmp,
		       ref_to_n,Des.DECRYPT);
    des3.cfb64_encrypt(cfb_buf1, 17, plain.length - 17,
		       cfb_buf2, 17,
		       cfb_tmp,
		       ref_to_n,Des.DECRYPT);
    if (memcmp(plain,cfb_buf2, plain.length) != false) {
	err = true;
	System.out.println("ede_cfb_encrypt decrypt error");
	printhex(cfb_buf2);
    }
    return(err);
  }

  public static final int NUM_TESTS = 34;

  public static void main(String[] args) {
    // Setup cbc_data
    memset(cbc_data, (byte)0, 40);
    cbc_string.getBytes(0, cbc_string.length(), cbc_data, 0);

    int i;
    int err;
    byte [] in = new byte [8];
    byte [] out = new byte [8];
    byte [] outin = new byte [8];