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package org.bouncycastle.jce.provider.test;
import java.security.MessageDigest;
import java.security.Security;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.util.encoders.Hex;
import org.bouncycastle.util.test.SimpleTest;
public class DigestTest
extends SimpleTest
{
final static String provider = "BC";
static private String[][] abcVectors =
{
{ "MD2", "da853b0d3f88d99b30283a69e6ded6bb" },
{ "MD4", "a448017aaf21d8525fc10ae87aa6729d" },
{ "MD5", "900150983cd24fb0d6963f7d28e17f72"},
{ "SHA-1", "a9993e364706816aba3e25717850c26c9cd0d89d" },
{ "SHA-224", "23097d223405d8228642a477bda255b32aadbce4bda0b3f7e36c9da7" },
{ "SHA-256", "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad" },
{ "SHA-384", "cb00753f45a35e8bb5a03d699ac65007272c32ab0eded1631a8b605a43ff5bed8086072ba1e7cc2358baeca134c825a7" },
{ "SHA-512", "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f" },
{ "SHA-512/224", "4634270F707B6A54DAAE7530460842E20E37ED265CEEE9A43E8924AA" },
{ "SHA-512/256", "53048E2681941EF99B2E29B76B4C7DABE4C2D0C634FC6D46E0E2F13107E7AF23" },
{ "RIPEMD128", "c14a12199c66e4ba84636b0f69144c77" },
{ "RIPEMD160", "8eb208f7e05d987a9b044a8e98c6b087f15a0bfc" },
{ "RIPEMD256", "afbd6e228b9d8cbbcef5ca2d03e6dba10ac0bc7dcbe4680e1e42d2e975459b65" },
{ "RIPEMD320", "de4c01b3054f8930a79d09ae738e92301e5a17085beffdc1b8d116713e74f82fa942d64cdbc4682d" },
{ "Tiger", "2AAB1484E8C158F2BFB8C5FF41B57A525129131C957B5F93" },
{ "GOST3411", "b285056dbf18d7392d7677369524dd14747459ed8143997e163b2986f92fd42c" },
{ "WHIRLPOOL", "4E2448A4C6F486BB16B6562C73B4020BF3043E3A731BCE721AE1B303D97E6D4C7181EEBDB6C57E277D0E34957114CBD6C797FC9D95D8B582D225292076D4EEF5" },
{ "SM3", "66c7f0f462eeedd9d1f2d46bdc10e4e24167c4875cf2f7a2297da02b8f4ba8e0" },
};
public String getName()
{
return "Digest";
}
void test(String algorithm)
throws Exception
{
byte[] message = "hello world".getBytes();
MessageDigest digest = MessageDigest.getInstance(algorithm, provider);
byte[] result = digest.digest(message);
byte[] result2 = digest.digest(message);
// test one digest the same message with the same instance
if (!MessageDigest.isEqual(result, result2))
{
fail("Result object 1 not equal");
}
// test two, single byte updates
for (int i = 0; i < message.length; i++)
{
digest.update(message[i]);
}
result2 = digest.digest();
if (!MessageDigest.isEqual(result, result2))
{
fail("Result object 2 not equal");
}
// test three, two half updates
digest.update(message, 0, message.length/2);
digest.update(message, message.length/2, message.length-message.length/2);
result2 = digest.digest();
if (!MessageDigest.isEqual(result, result2))
{
fail("Result object 3 not equal");
}
// test four, clone test
digest.update(message, 0, message.length/2);
MessageDigest d = (MessageDigest)digest.clone();
digest.update(message, message.length/2, message.length-message.length/2);
result2 = digest.digest();
if (!MessageDigest.isEqual(result, result2))
{
fail("Result object 4(a) not equal");
}
d.update(message, message.length/2, message.length-message.length/2);
result2 = d.digest();
if (!MessageDigest.isEqual(result, result2))
{
fail("Result object 4(b) not equal");
}
// test five, check reset() method
digest.update(message, 0, message.length/2);
digest.reset();
digest.update(message, 0, message.length/2);
digest.update(message, message.length/2, message.length-message.length/2);
result2 = digest.digest();
if (!MessageDigest.isEqual(result, result2))
{
fail("Result object 5 not equal");
}
}
/**
* Test the hash against a standard value for the string "abc"
*
* @param algorithm algorithm to test
* @param hash expected value
* @return the test result.
*/
void abcTest(
String algorithm,
String hash)
throws Exception
{
byte[] abc = { (byte)0x61, (byte)0x62, (byte)0x63 };
MessageDigest digest = MessageDigest.getInstance(algorithm, provider);
byte[] result = digest.digest(abc);
if (!MessageDigest.isEqual(result, Hex.decode(hash)))
{
fail("abc result not equal for " + algorithm);
}
}
public void performTest()
throws Exception
{
for (int i = 0; i != abcVectors.length; i++)
{
test(abcVectors[i][0]);
abcTest(abcVectors[i][0], abcVectors[i][1]);
}
}
public static void main(String[] args)
{
Security.addProvider(new BouncyCastleProvider());
runTest(new DigestTest());
}
}
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