CCSDS Reed-Solomon encoder attempt

final int SYNC_BYTES_LENGTH = 4;
final int FRAME_LENGTH = 2040;
final int FIELD_SIZE = 256;

byte[] frame = new byte[FRAME_LENGTH];

InputStream is = currentThread().getContextClassLoader()
                .getResourceAsStream("S3SAMPLE.BIN");
is.skip(SYNC_BYTES_LENGTH);

// read a single frame
new DataInputStream(is).readFully(frame);
is.close();

expected = toInterleavedUnsignedIntArrayBlocks(frame, 0).get(0);
unencoded = toInterleavedPaddedUnsignedIntArrayBlocks(frame, 0).get(0);

GenericGF field = new GenericGF(0x187, FIELD_SIZE, 0);
int[] conventional = toConventional(unencoded);
new ReedSolomonEncoder(field).encode(conventional, BLOCK_PARITY_LENGTH);
int[] berlekamp = toBerlekamp(unencoded);

assertArrayEquals(expected, berlekamp);