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import java.security.*;
class shatest {
// gnu-crypto/source/gnu/testlet/gnu/crypto/hash/TestOfSha160.java
public static void main(String[] argv) {
MessageDigest md=null;
try {
md = MessageDigest.getInstance("SHA-1");
} catch (Exception e) {
e.printStackTrace();
}
md.update("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq".getBytes(), 0, 56);
String exp = "84983E441C3BD26EBAAE4AA1F95129E5E54670F1";
String result = toString(md.digest());
System.out.println(exp);
System.out.println(result);
if (!exp.equals(result))
System.out.println("NOT EQUAL!");
}
public static String toString(byte[] ba) {
return toString(ba, 0, ba.length);
}
public static final String toString(byte[] ba, int offset, int length) {
char[] buf = new char[length * 2];
for (int i = 0, j = 0, k; i < length; ) {
k = ba[offset + i++];
buf[j++] = HEX_DIGITS[(k >>> 4) & 0x0F];
buf[j++] = HEX_DIGITS[ k & 0x0F];
}
return new String(buf);
}
private static final char[] HEX_DIGITS = "0123456789ABCDEF".toCharArray();
}
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