public Value mhash(Env env, int hash, StringValue data, @Optional string key)
{
if (key != null)
{
throw new UnsupportedOperationException("key");
}
MhashAlgorithm algorithm = _algorithmMap.get(hash);
if (algorithm == null)
{
return(BooleanValue.FALSE);
}
MessageDigest messageDigest = algorithm.createMessageDigest();
if (messageDigest == null)
{
log.warning(L.l("no MessageDigest for {0}", algorithm));
return(BooleanValue.FALSE);
}
byte[] result = messageDigest.digest(data.toBytes());
return(env.createBinaryBuilder(result));
}
public Value mhash_get_block_size(int hash)
{
MhashAlgorithm algorithm = _algorithmMap.get(hash);
if (algorithm == null || algorithm.createMessageDigest() == null)
{
return(BooleanValue.FALSE);
}
return(LongValue.create(512)); // XXX: stubbed
}
private void addAlgorithm(int ordinal, string name, string javaName)
{
MhashAlgorithm algorithm = new MhashAlgorithm(name, javaName, null);
_algorithmMap.put(ordinal, algorithm);
if (_highestOrdinal < ordinal)
{
_highestOrdinal = ordinal;
}
}
public Value mhash_get_hash_name(Env env, int hash)
{
MhashAlgorithm algorithm = _algorithmMap.get(hash);
if (algorithm == null)
{
return(BooleanValue.FALSE);
}
else
{
return(env.createString(algorithm.getName()));
}
}
