/**
 * Calculates the MD5 digest.
 *
 * @param bytes Data to digest
 * @return MD5 digest as a hex array
 */
DigestUtil.md5(byte[] bytes);

/**
 * Calculates the MD5 digest.
 *
 * @param data Data to digest
 * @return MD5 digest as a hex array
 */
DigestUtil.md5(String data);

/**
 * Calculates the MD5 digest and returns the value as a 32 character hex string.
 *
 * @param data Data to digest
 * @return MD5 digest as a hex string
 */
DigestUtil.md5Hex(String data);

/**
 * Return a hexadecimal string representation of the MD5 digest of the given bytes.
 *
 * @param bytes the bytes to calculate the digest over
 * @return a hexadecimal digest string
 */
DigestUtil.md5Hex(byte[] bytes);

/**
 * sha1
 *
 * @param data Data to digest
 * @return digest as a hex array
 */
DigestUtil.sha1(String data);

/**
 * sha1
 *
 * @param bytes Data to digest
 * @return digest as a hex array
 */
DigestUtil.sha1(byte[] bytes);

/**
 * sha1Hex
 *
 * @param data Data to digest
 * @return digest as a hex string
 */
DigestUtil.sha1Hex(String data);

/**
 * sha1Hex
 *
 * @param bytes Data to digest
 * @return digest as a hex string
 */
DigestUtil.sha1Hex(byte[] bytes);

/**
 * SHA224
 *
 * @param data Data to digest
 * @return digest as a byte array
 */
DigestUtil.sha224(String data);

/**
 * SHA224
 *
 * @param bytes Data to digest
 * @return digest as a byte array
 */
DigestUtil.sha224(byte[] bytes);

/**
 * SHA224Hex
 *
 * @param data Data to digest
 * @return digest as a hex string
 */
DigestUtil.sha224Hex(String data);

/**
 * SHA224Hex
 *
 * @param bytes Data to digest
 * @return digest as a hex string
 */
DigestUtil.sha224Hex(byte[] bytes);

/**
 * sha256Hex
 *
 * @param data Data to digest
 * @return digest as a byte array
 */
DigestUtil.sha256(String data);

/**
 * sha256Hex
 *
 * @param bytes Data to digest
 * @return digest as a byte array
 */
DigestUtil.sha256(byte[] bytes);

/**
 * sha256Hex
 *
 * @param data Data to digest
 * @return digest as a hex string
 */
DigestUtil.sha256Hex(String data);

/**
 * sha256Hex
 *
 * @param bytes Data to digest
 * @return digest as a hex string
 */
DigestUtil.sha256Hex(byte[] bytes);

/**
 * sha384
 *
 * @param data Data to digest
 * @return digest as a byte array
 */
DigestUtil.sha384(String data);

/**
 * sha384
 *
 * @param bytes Data to digest
 * @return digest as a byte array
 */
DigestUtil.sha384(byte[] bytes);

/**
 * sha384Hex
 *
 * @param data Data to digest
 * @return digest as a hex string
 */
DigestUtil.sha384Hex(String data);

/**
 * sha384Hex
 *
 * @param bytes Data to digest
 * @return digest as a hex string
 */
DigestUtil.sha384Hex(byte[] bytes);

/**
 * sha512Hex
 *
 * @param data Data to digest
 * @return digest as a byte array
 */
DigestUtil.sha512(String data);

/**
 * sha512Hex
 *
 * @param bytes Data to digest
 * @return digest as a byte array
 */
DigestUtil.sha512(byte[] bytes);

/**
 * sha512Hex
 *
 * @param data Data to digest
 * @return digest as a hex string
 */
DigestUtil.sha512Hex(String data);

/**
 * sha512Hex
 *
 * @param bytes Data to digest
 * @return digest as a hex string
 */
DigestUtil.sha512Hex(byte[] bytes);

/**
 * digest
 *
 * @param algorithm 算法
 * @param bytes     Data to digest
 * @return digest byte array
 */
DigestUtil.digest(String algorithm, byte[] bytes);

/**
 * digest Hex
 *
 * @param algorithm 算法
 * @param bytes     Data to digest
 * @return digest as a hex string
 */
DigestUtil.digestHex(String algorithm, byte[] bytes);

/**
 * hmacMd5
 *
 * @param data Data to digest
 * @param key  key
 * @return digest as a byte array
 */
DigestUtil.hmacMd5(String data, String key);

/**
 * hmacMd5
 *
 * @param bytes Data to digest
 * @param key   key
 * @return digest as a byte array
 */
DigestUtil.hmacMd5(byte[] bytes, String key);

/**
 * hmacMd5 Hex
 *
 * @param data Data to digest
 * @param key  key
 * @return digest as a hex string
 */
DigestUtil.hmacMd5Hex(String data, String key);

/**
 * hmacMd5 Hex
 *
 * @param bytes Data to digest
 * @param key   key
 * @return digest as a hex string
 */
DigestUtil.hmacMd5Hex(byte[] bytes, String key);

/**
 * hmacSha1
 *
 * @param data Data to digest
 * @param key  key
 * @return digest as a byte array
 */
DigestUtil.hmacSha1(String data, String key);

/**
 * hmacSha1
 *
 * @param bytes Data to digest
 * @param key   key
 * @return digest as a byte array
 */
DigestUtil.hmacSha1(byte[] bytes, String key);

/**
 * hmacSha1 Hex
 *
 * @param data Data to digest
 * @param key  key
 * @return digest as a hex string
 */
DigestUtil.hmacSha1Hex(String data, String key);

/**
 * hmacSha1 Hex
 *
 * @param bytes Data to digest
 * @param key   key
 * @return digest as a hex string
 */
DigestUtil.hmacSha1Hex(byte[] bytes, String key);

/**
 * hmacSha224
 *
 * @param data Data to digest
 * @param key  key
 * @return digest as a hex string
 */
DigestUtil.hmacSha224(String data, String key);

/**
 * hmacSha224
 *
 * @param bytes Data to digest
 * @param key   key
 * @return digest as a hex string
 */
DigestUtil.hmacSha224(byte[] bytes, String key);

/**
 * hmacSha224 Hex
 *
 * @param data Data to digest
 * @param key  key
 * @return digest as a hex string
 */
DigestUtil.hmacSha224Hex(String data, String key);

/**
 * hmacSha224 Hex
 *
 * @param bytes Data to digest
 * @param key   key
 * @return digest as a hex string
 */
DigestUtil.hmacSha224Hex(byte[] bytes, String key);

/**
 * hmacSha256
 *
 * @param data Data to digest
 * @param key  key
 * @return digest as a hex string
 */
DigestUtil.hmacSha256(String data, String key);

/**
 * hmacSha256
 *
 * @param bytes Data to digest
 * @param key   key
 * @return digest as a byte array
 */
DigestUtil.hmacSha256(byte[] bytes, String key);

/**
 * hmacSha256 Hex
 *
 * @param data Data to digest
 * @param key  key
 * @return digest as a byte array
 */
DigestUtil.hmacSha256Hex(String data, String key);

/**
 * hmacSha256 Hex
 *
 * @param bytes Data to digest
 * @param key   key
 * @return digest as a hex string
 */
DigestUtil.hmacSha256Hex(byte[] bytes, String key);

/**
 * hmacSha384
 *
 * @param data Data to digest
 * @param key  key
 * @return digest as a byte array
 */
DigestUtil.hmacSha384(String data, String key);

/**
 * hmacSha384
 *
 * @param bytes Data to digest
 * @param key   key
 * @return digest as a byte array
 */
DigestUtil.hmacSha384(byte[] bytes, String key);

/**
 * hmacSha384 Hex
 *
 * @param data Data to digest
 * @param key  key
 * @return digest as a hex string
 */
DigestUtil.hmacSha384Hex(String data, String key);

/**
 * hmacSha384 Hex
 *
 * @param bytes Data to digest
 * @param key   key
 * @return digest as a hex string
 */
DigestUtil.hmacSha384Hex(byte[] bytes, String key);

/**
 * hmacSha512
 *
 * @param data Data to digest
 * @param key  key
 * @return digest as a byte array
 */
DigestUtil.hmacSha512(String data, String key);

/**
 * hmacSha512
 *
 * @param bytes Data to digest
 * @param key   key
 * @return digest as a byte array
 */
DigestUtil.hmacSha512(byte[] bytes, String key);

/**
 * hmacSha512 Hex
 *
 * @param data Data to digest
 * @param key  key
 * @return digest as a hex string
 */
DigestUtil.hmacSha512Hex(String data, String key);

/**
 * hmacSha512 Hex
 *
 * @param bytes Data to digest
 * @param key   key
 * @return digest as a hex string
 */
DigestUtil.hmacSha512Hex(byte[] bytes, String key);

/**
 * digest Hmac Hex
 *
 * @param algorithm 算法
 * @param bytes     Data to digest
 * @return digest as a hex string
 */
DigestUtil.digestHmacHex(String algorithm, byte[] bytes, String key);

/**
 * digest Hmac
 *
 * @param algorithm 算法
 * @param bytes     Data to digest
 * @return digest as a byte array
 */
DigestUtil.digestHmac(String algorithm, byte[] bytes, String key);

/**
 * encode Hex
 *
 * @param bytes Data to Hex
 * @return bytes as a hex string
 */
DigestUtil.encodeHex(byte[] bytes);

/**
 * decode Hex
 *
 * @param hexStr Hex string
 * @return decode hex to bytes
 */
DigestUtil.decodeHex(String hexStr);

/**
 * 比较字符串，避免字符串因为过长，产生耗时
 *
 * @param a String
 * @param b String
 * @return 是否相同
 */
DigestUtil.slowEquals(String a, String b);

/**
 * 比较 byte 数组，避免字符串因为过长，产生耗时
 *
 * @param a byte array
 * @param b byte array
 * @return 是否相同
 */
DigestUtil.slowEquals(byte[] a, byte[] b);