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package org.spongycastle.crypto.test;
import org.spongycastle.crypto.Digest;
import org.spongycastle.crypto.digests.SHA256Digest;
/**
* standard vector test for SHA-256 from FIPS Draft 180-2.
*
* Note, the first two vectors are _not_ from the draft, the last three are.
*/
public class SHA256DigestTest
extends DigestTest
{
private static String[] messages =
{
"",
"a",
"abc",
"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
};
private static String[] digests =
{
"e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
"ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb",
"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad",
"248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1"
};
// 1 million 'a'
static private String million_a_digest = "cdc76e5c9914fb9281a1c7e284d73e67f1809a48a497200e046d39ccc7112cd0";
SHA256DigestTest()
{
super(new SHA256Digest(), messages, digests);
}
public void performTest()
{
super.performTest();
millionATest(million_a_digest);
}
protected Digest cloneDigest(Digest digest)
{
return new SHA256Digest((SHA256Digest)digest);
}
protected Digest cloneDigest(byte[] encodedState)
{
return new SHA256Digest(encodedState);
}
public static void main(
String[] args)
{
runTest(new SHA256DigestTest());
}
}
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