new Random(RANDOM_SEED).nextBytes(testBytes);
  }

  // CRC32

  @Benchmark
  byte crc32HashFunction(int reps) {
    return runHashFunction(reps, Hashing.crc32());
  }

  @Benchmark
  byte crc32Checksum(int reps) throws Exception {
    byte result = 0x01;
    for (int i = 0; i < reps; i++) {
      CRC32 checksum = new CRC32();
      checksum.update(testBytes, 0, testBytes.length);

   */
  private static void assertCrc(int expectedCrc, byte[] data) {
    int actualCrc = Hashing.crc32c().hashBytes(data).asInt();
    assertEquals(
        String.format("expected: %08x, actual: %08x", expectedCrc, actualCrc),
        expectedCrc,
        actualCrc);
    int actualCrcHasher = Hashing.crc32c().newHasher().putBytes(data).hash().asInt();
    assertEquals(

   */
  private static void assertCrc(int expectedCrc, byte[] data) {
    int actualCrc = Hashing.crc32c().hashBytes(data).asInt();
    assertEquals(
        String.format("expected: %08x, actual: %08x", expectedCrc, actualCrc),
        expectedCrc,
        actualCrc);
    int actualCrcHasher = Hashing.crc32c().newHasher().putBytes(data).hash().asInt();
    assertEquals(

    new Random(RANDOM_SEED).nextBytes(testBytes);
  }

  // CRC32

  @Benchmark
  byte crc32HashFunction(int reps) {
    return runHashFunction(reps, Hashing.crc32());
  }

  @Benchmark
  byte crc32Checksum(int reps) throws Exception {
    byte result = 0x01;
    for (int i = 0; i < reps; i++) {
      CRC32 checksum = new CRC32();
      checksum.update(testBytes, 0, testBytes.length);

	AmzFwdHeaderContentRange       = "x-amz-fwd-header-Content-Range"
	AmzFwdHeaderContentType        = "x-amz-fwd-header-Content-Type"
	AmzFwdHeaderChecksumCrc32      = "x-amz-fwd-header-x-amz-checksum-crc32"
	AmzFwdHeaderChecksumCrc32c     = "x-amz-fwd-header-x-amz-checksum-crc32c"
	AmzFwdHeaderChecksumSha1       = "x-amz-fwd-header-x-amz-checksum-sha1"
	AmzFwdHeaderChecksumSha256     = "x-amz-fwd-header-x-amz-checksum-sha256"

    assertHash32(0x1C8600E3, CRC_32, "hell");
    assertHash32(0x3610A686, CRC_32, "hello");
    assertHash32(0xED81F9F6, CRC_32, "hello ");
    assertHash32(0x4850DDC2, CRC_32, "hello w");
    assertHash32(0x7A2D6005, CRC_32, "hello wo");
    assertHash32(0x1C192672, CRC_32, "hello wor");
    assertHash32(0x414FA339, CRC_32, "The quick brown fox jumps over the lazy dog");

		w, err := zw.CreateRaw(&zip.FileHeader{
			Name:               name,
			Method:             zip.Store,
			CompressedSize64:   uint64(len(data)),
			UncompressedSize64: uint64(len(data)),
			CRC32:              crc32.ChecksumIEEE(data),
		})
		if err != nil {
			log.Fatal(err)
		}
		if _, err := w.Write(data); err != nil {
			log.Fatal(err)
		}
		seen[name] = true
		return nil
	})
	if err != nil {

Russ Cox <******@****.***> 1410149331 -0400

package com.google.common.hash;


/**
 * An enum that contains all of the known hash functions.
 *
 * @author Kurt Alfred Kluever
 */
enum HashFunctionEnum {
  ADLER32(Hashing.adler32()),
  CRC32(Hashing.crc32()),
  GOOD_FAST_HASH_32(Hashing.goodFastHash(32)),
  GOOD_FAST_HASH_64(Hashing.goodFastHash(64)),
  GOOD_FAST_HASH_128(Hashing.goodFastHash(128)),
  GOOD_FAST_HASH_256(Hashing.goodFastHash(256)),
  MD5(Hashing.md5()),

func hashOrder(key string, cardinality int) []int {
	if cardinality <= 0 {
		// Returns an empty int slice for cardinality < 0.
		return nil
	}

	nums := make([]int, cardinality)
	keyCrc := crc32.Checksum([]byte(key), crc32.IEEETable)

	start := int(keyCrc % uint32(cardinality))
	for i := 1; i <= cardinality; i++ {
		nums[i-1] = 1 + ((start + i) % cardinality)
	}
	return nums
}

var (