public void testBase16() {
    testEncodingWithCasing(base16(), "", "");
    testEncodingWithCasing(base16(), "f", "66");
    testEncodingWithCasing(base16(), "fo", "666F");
    testEncodingWithCasing(base16(), "foo", "666F6F");
    testEncodingWithCasing(base16(), "foob", "666F6F62");
    testEncodingWithCasing(base16(), "fooba", "666F6F6261");
    testEncodingWithCasing(base16(), "foobar", "666F6F626172");
  }

  private static final int INPUTS_COUNT = 0x1000;
  private static final int INPUTS_MASK = 0xFFF;

  enum EncodingOption {
    BASE64(BaseEncoding.base64()),
    BASE64_URL(BaseEncoding.base64Url()),
    BASE32(BaseEncoding.base32()),
    BASE32_HEX(BaseEncoding.base32Hex()),
    BASE16(BaseEncoding.base16());

    final BaseEncoding encoding;

    EncodingOption(BaseEncoding encoding) {
      this.encoding = encoding;
    }

    return BASE32_HEX;
  }

  private static final BaseEncoding BASE16 = new Base16Encoding("base16()", "0123456789ABCDEF");

  /**
   * The "base16" encoding specified by <a href="http://tools.ietf.org/html/rfc4648#section-8">RFC
   * 4648 section 8</a>, Base 16 Encoding. (This is the same as the base 16 encoding from <a

  private static final int INPUTS_COUNT = 0x1000;
  private static final int INPUTS_MASK = 0xFFF;

  enum EncodingOption {
    BASE64(BaseEncoding.base64()),
    BASE64_URL(BaseEncoding.base64Url()),
    BASE32(BaseEncoding.base32()),
    BASE32_HEX(BaseEncoding.base32Hex()),
    BASE16(BaseEncoding.base16());

    final BaseEncoding encoding;

    EncodingOption(BaseEncoding encoding) {
      this.encoding = encoding;
    }

import static com.google.common.hash.Hashing.hmacSha1;
import static com.google.common.hash.Hashing.hmacSha256;
import static com.google.common.hash.Hashing.hmacSha512;
import static com.google.common.io.BaseEncoding.base16;
import static com.google.common.truth.Truth.assertThat;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.junit.Assert.assertThrows;

import com.google.common.collect.ImmutableSet;

 * limitations under the License.
 */

package com.google.common.hash;

import static com.google.common.hash.Hashing.sha1;
import static com.google.common.io.BaseEncoding.base16;
import static com.google.common.truth.Truth.assertThat;
import static java.nio.charset.StandardCharsets.US_ASCII;
import static org.junit.Assert.assertThrows;

import com.google.common.collect.ImmutableList;

 * limitations under the License.
 */

package com.google.common.hash;

import static com.google.common.hash.Hashing.sha1;
import static com.google.common.io.BaseEncoding.base16;
import static com.google.common.truth.Truth.assertThat;
import static java.nio.charset.StandardCharsets.US_ASCII;
import static org.junit.Assert.assertThrows;

import com.google.common.collect.ImmutableList;

import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.io.ByteStreams.skipUpTo;
import static java.lang.Math.min;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.base.Ascii;
import com.google.common.base.Optional;

 */

package jcifs.smb1.util;

/**
 * Utility class for Base64 encoding and decoding operations.
 * Provides methods to convert between binary data and Base64 encoded strings.
 */
public class Base64 {

    /**
     * Private constructor to prevent instantiation of this utility class.
     */
    private Base64() {
        // Utility class - not instantiable
    }

# JSON с байтами в Base64 { #json-with-bytes-as-base64 }

Если вашему приложению нужно принимать и отправлять JSON-данные, но при этом необходимо включать в них бинарные данные, вы можете кодировать их в base64.

## Base64 и файлы { #base64-vs-files }