if key.Crv == "" || key.X == "" || key.Y == "" {
			return nil, errMalformedJWKECKey
		}

		var curve elliptic.Curve
		switch key.Crv {
		case "P-224":
			curve = elliptic.P224()
		case "P-256":
			curve = elliptic.P256()
		case "P-384":
			curve = elliptic.P384()
		case "P-521":
			curve = elliptic.P521()
		default:
			return nil, fmt.Errorf("Unknown curve type: %s", key.Crv)
		}

    }
    int[][] expected = new int[4][256];
    for (int b = 0; b < 4; ++b) {
      for (int bit = 128; bit != 0; bit >>= 1) {
        expected[b][bit] = next;
        next = advanceOneBit(next);
      }
    }
    for (int b = 0; b < 4; ++b) {
      expected[b][0] = 0;
      for (int bit = 2; bit < 256; bit <<= 1) {
        for (int i = bit + 1; i < (bit << 1); i++) {

    }
    int[][] expected = new int[4][256];
    for (int b = 0; b < 4; ++b) {
      for (int bit = 128; bit != 0; bit >>= 1) {
        expected[b][bit] = next;
        next = advanceOneBit(next);
      }
    }
    for (int b = 0; b < 4; ++b) {
      expected[b][0] = 0;
      for (int bit = 2; bit < 256; bit <<= 1) {
        for (int i = bit + 1; i < (bit << 1); i++) {

    // not bothering testing all variations, since we know they share implementations
    assertTrue(Striped.lock(100).size() >= 100);
    assertTrue(Striped.lock(256).size() == 256);
    assertTrue(Striped.lazyWeakLock(100).size() >= 100);
    assertTrue(Striped.lazyWeakLock(256).size() == 256);
  }

  @AndroidIncompatible // Presumably GC doesn't trigger, despite our efforts.
  public void testWeakImplementations() {

    // not bothering testing all variations, since we know they share implementations
    assertTrue(Striped.lock(100).size() >= 100);
    assertTrue(Striped.lock(256).size() == 256);
    assertTrue(Striped.lazyWeakLock(100).size() >= 100);
    assertTrue(Striped.lazyWeakLock(256).size() == 256);
  }

  @AndroidIncompatible // Presumably GC doesn't trigger, despite our efforts.
  public void testWeakImplementations() {

	"github.com/minio/minio/internal/hash/sha256"
	"github.com/minio/minio/internal/logger"
	"github.com/minio/sio"
)

// ObjectKey is a 256 bit secret key used to encrypt the object.
// It must never be stored in plaintext.
type ObjectKey [32]byte

// GenerateKey generates a unique ObjectKey from a 256 bit external key
// and a source of randomness. If random is nil the default PRNG of the
// system (crypto/rand) is used.

    private static final byte CT_WHITESPACE = 1;

    private static final byte CT_ALPHA = 4;

    private final byte[] ctype;

    private static byte[] defaultCtype = new byte[256];

    private final String str;

    private int colno = 0;

    private int ttype = TT_NOTHING;

    private String sval;

    private char[] buf = new char[20];

    private int peekc = NEED_CHAR;

	"github.com/minio/minio/internal/hash/sha256"
	"golang.org/x/crypto/blake2b"

	xioutil "github.com/minio/minio/internal/ioutil"
	"github.com/minio/minio/internal/logger"
)

// magic HH-256 key as HH-256 hash of the first 100 decimals of π as utf-8 string with a zero key.
var magicHighwayHash256Key = []byte("\x4b\xe7\x34\xfa\x8e\x23\x8a\xcd\x26\x3e\x83\xe6\xbb\x96\x85\x52\x04\x0f\x93\x5d\xa3\x9f\x44\x14\x97\xe0\x9d\x13\x22\xde\x36\xa0")

		n := len(strings.TrimRight(s[:len(b)-1], "/"))
		b[n] = 0 // Replace trailing slash with NUL terminator
	}
}

// fitsInBase256 reports whether x can be encoded into n bytes using base-256
// encoding. Unlike octal encoding, base-256 encoding does not require that the
// string ends with a NUL character. Thus, all n bytes are available for output.
//
// If operating in binary mode, this assumes strict GNU binary mode; which means

		return nil
	}
	if r.current.name != "" {
		if r.current.name >= s {
			return nil
		}
		r.current.name = ""
		r.current.metadata = nil
	}
	// temporary name buffer.
	tmp := make([]byte, 0, 256)
	for {
		if more, err := r.mr.ReadBool(); !more {
			switch err {
			case nil:
				r.err = io.EOF
				return io.EOF
			case io.EOF:
				r.err = io.ErrUnexpectedEOF
				return io.ErrUnexpectedEOF