libjava/testsuite/libjava.lang/shatest.java

   1 import java.security.*;
   2
   3 class shatest {
   4
   5     // gnu-crypto/source/gnu/testlet/gnu/crypto/hash/TestOfSha160.java
   6
   7     public static void main(String[] argv) {
   8         MessageDigest md=null;
   9         try {
  10             md = MessageDigest.getInstance("SHA-1");
  11         } catch (Exception e) {
  12             e.printStackTrace();
  13         }
  14         md.update("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq".getBytes(), 0, 56);
  15         String exp = "84983E441C3BD26EBAAE4AA1F95129E5E54670F1";
  16         String result = toString(md.digest());
  17         System.out.println(exp);
  18         System.out.println(result);
  19         if (!exp.equals(result))
  20             System.out.println("NOT EQUAL!");
  21
  22     }
  23
  24     public static String toString(byte[] ba) {
  25         return toString(ba, 0, ba.length);
  26     }
  27     public static final String toString(byte[] ba, int offset, int length) {
  28         char[] buf = new char[length * 2];
  29         for (int i = 0, j = 0, k; i < length; ) {
  30             k = ba[offset + i++];
  31             buf[j++] = HEX_DIGITS[(k >>> 4) & 0x0F];
  32             buf[j++] = HEX_DIGITS[ k        & 0x0F];
  33         }
  34         return new String(buf);
  35     }
  36
  37     private static final char[] HEX_DIGITS = "0123456789ABCDEF".toCharArray();
  38
  39 }