"strings"
	"time"

	"github.com/minio/minio-go/v7/pkg/tags"
	"github.com/minio/minio/internal/crypto"
	xhttp "github.com/minio/minio/internal/http"
	xxml "github.com/minio/xxml"
)

// Returns a hexadecimal representation of time at the
// time response is sent to the client.
func mustGetRequestID(t time.Time) string {
	return fmt.Sprintf("%X", t.UnixNano())
}

      }
      value = (value * radix) + digit;
    }

    return value;
  }

  /**
   * Returns the unsigned {@code long} value represented by the given string.
   *
   * <p>Accepts a decimal, hexadecimal, or octal number given by specifying the following prefix:
   *
   * <ul>
   *   <li>{@code 0x}<i>HexDigits</i>
   *   <li>{@code 0X}<i>HexDigits</i>
   *   <li>{@code #}<i>HexDigits</i>

    /** The NetBIOS name (up to 15 characters) */
    public String name;
    /** The NetBIOS scope identifier */
    public String scope;
    /** The NetBIOS name type/suffix (hexadecimal code) */
    public int hexCode;
    int srcHashCode; /* srcHashCode must be set by name resolution
                      * routines before entry into addressCache
                      */

    Name() {
    }

   * creation time, while Android may always output it as an interface name, even if it was supplied
   * as a numeric ID.
   *
   * <p>This method uses hexadecimal for all IPv6 addresses, including IPv4-mapped IPv6 addresses
   * such as "::c000:201".
   *
   * @param ip {@link InetAddress} to be converted to an address string

  @GwtIncompatible // Doubles.tryParse
  public void testTryParseOfToStringIsOriginal() {
    for (double d : NUMBERS) {
      checkTryParse(d, Double.toString(d));
    }
  }

  @J2ktIncompatible // hexadecimal doubles
  @GwtIncompatible // Doubles.tryParse
  public void testTryParseOfToHexStringIsOriginal() {
    for (double d : NUMBERS) {
      checkTryParse(d, Double.toHexString(d));
    }
  }

	regionBytes := sumHMAC(date, []byte(region))
	service := sumHMAC(regionBytes, []byte(stype))
	signingKey := sumHMAC(service, []byte("aws4_request"))
	return signingKey
}

// getSignature final signature in hexadecimal form.
func getSignature(signingKey []byte, stringToSign string) string {
	return hex.EncodeToString(sumHMAC(signingKey, []byte(stringToSign)))
}

// Check to see if Policy is signed correctly.

   * creation time, while Android may always output it as an interface name, even if it was supplied
   * as a numeric ID.
   *
   * <p>This method uses hexadecimal for all IPv6 addresses, including IPv4-mapped IPv6 addresses
   * such as "::c000:201".
   *
   * @param ip {@link InetAddress} to be converted to an address string

    return (int) (toLong(dividend) % toLong(divisor));
  }

  /**
   * Returns the unsigned {@code int} value represented by the given string.
   *
   * <p>Accepts a decimal, hexadecimal, or octal number given by specifying the following prefix:
   *
   * <ul>
   *   <li>{@code 0x}<i>HexDigits</i>
   *   <li>{@code 0X}<i>HexDigits</i>
   *   <li>{@code #}<i>HexDigits</i>

An exponent value exp scales the mantissa (integer and fractional part) by 10<sup>exp</sup>.
</p>

<p>
A hexadecimal floating-point literal consists of a <code>0x</code> or <code>0X</code>
prefix, an integer part (hexadecimal digits), a radix point, a fractional part (hexadecimal digits),
and an exponent part (<code>p</code> or <code>P</code> followed by an optional sign and decimal digits).

  @GwtIncompatible // Doubles.tryParse
  public void testTryParseOfToStringIsOriginal() {
    for (double d : NUMBERS) {
      checkTryParse(d, Double.toString(d));
    }
  }

  @J2ktIncompatible // hexadecimal doubles
  @GwtIncompatible // Doubles.tryParse
  public void testTryParseOfToHexStringIsOriginal() {
    for (double d : NUMBERS) {
      checkTryParse(d, Double.toHexString(d));
    }
  }