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com.github.dennisit.vplus.data.utils.DigestUtils Maven / Gradle / Ivy
package com.github.dennisit.vplus.data.utils;
import com.google.common.base.Charsets;
import org.springframework.lang.Nullable;
import javax.crypto.Mac;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
import java.io.InputStream;
import java.security.InvalidKeyException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
/**
* Created by Elon.su on 17/5/13.
*/
public class DigestUtils extends org.springframework.util.DigestUtils {
/*
public static String md5Hex(String text) {
return md5Hex(text, StandardCharsets.UTF_8);
}
public static String md5Hex(String text, Charset charset) {
return md5Hex(text.getBytes(charset));
}
public static String md5Hex(final byte[] bytes) {
return DigestUtils.md5DigestAsHex(bytes);
}
*/
@Deprecated
public static String md5Hex(String data, String salt) {
return md5Hex(DigestUtils.md5Hex(StringUtils.trim(data)) + StringUtils.COMMA + StringUtils.trim(salt));
}
@Deprecated
public static String md5Hex(InputStream inputStream) throws Exception {
return DigestUtils.md5DigestAsHex(inputStream);
}
private static final char[] HEX_CODE = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
/**
* Calculates the MD5 digest.
*
* @param data Data to digest
* @return MD5 digest as a hex array
*/
public static byte[] md5(final byte[] data) {
return org.springframework.util.DigestUtils.md5Digest(data);
}
/**
* Calculates the MD5 digest.
*
* @param data Data to digest
* @return MD5 digest as a hex array
*/
public static byte[] md5(final String data) {
return org.springframework.util.DigestUtils.md5Digest(data.getBytes(Charsets.UTF_8));
}
/**
* 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
*/
public static String md5Hex(final String data) {
return org.springframework.util.DigestUtils.md5DigestAsHex(data.getBytes(Charsets.UTF_8));
}
/**
* 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
*/
public static String md5Hex(final byte[] bytes) {
return org.springframework.util.DigestUtils.md5DigestAsHex(bytes);
}
/**
* sha1
*
* @param data Data to digest
* @return digest as a hex array
*/
public static byte[] sha1(String data) {
return DigestUtils.sha1(data.getBytes(Charsets.UTF_8));
}
/**
* sha1
*
* @param bytes Data to digest
* @return digest as a hex array
*/
public static byte[] sha1(final byte[] bytes) {
return DigestUtils.digest("SHA-1", bytes);
}
/**
* sha1Hex
*
* @param data Data to digest
* @return digest as a hex string
*/
public static String sha1Hex(String data) {
return DigestUtils.encodeHex(sha1(data.getBytes(Charsets.UTF_8)));
}
/**
* sha1Hex
*
* @param bytes Data to digest
* @return digest as a hex string
*/
public static String sha1Hex(final byte[] bytes) {
return DigestUtils.encodeHex(sha1(bytes));
}
/**
* SHA224
*
* @param data Data to digest
* @return digest as a byte array
*/
public static byte[] sha224(String data) {
return DigestUtils.sha224(data.getBytes(Charsets.UTF_8));
}
/**
* SHA224
*
* @param bytes Data to digest
* @return digest as a byte array
*/
public static byte[] sha224(final byte[] bytes) {
return DigestUtils.digest("SHA-224", bytes);
}
/**
* SHA224Hex
*
* @param data Data to digest
* @return digest as a hex string
*/
public static String sha224Hex(String data) {
return DigestUtils.encodeHex(sha224(data.getBytes(Charsets.UTF_8)));
}
/**
* SHA224Hex
*
* @param bytes Data to digest
* @return digest as a hex string
*/
public static String sha224Hex(final byte[] bytes) {
return DigestUtils.encodeHex(sha224(bytes));
}
/**
* sha256Hex
*
* @param data Data to digest
* @return digest as a byte array
*/
public static byte[] sha256(String data) {
return DigestUtils.sha256(data.getBytes(Charsets.UTF_8));
}
/**
* sha256Hex
*
* @param bytes Data to digest
* @return digest as a byte array
*/
public static byte[] sha256(final byte[] bytes) {
return DigestUtils.digest("SHA-256", bytes);
}
/**
* sha256Hex
*
* @param data Data to digest
* @return digest as a hex string
*/
public static String sha256Hex(String data) {
return DigestUtils.encodeHex(sha256(data.getBytes(Charsets.UTF_8)));
}
/**
* sha256Hex
*
* @param bytes Data to digest
* @return digest as a hex string
*/
public static String sha256Hex(final byte[] bytes) {
return DigestUtils.encodeHex(sha256(bytes));
}
/**
* sha384
*
* @param data Data to digest
* @return digest as a byte array
*/
public static byte[] sha384(String data) {
return DigestUtils.sha384(data.getBytes(Charsets.UTF_8));
}
/**
* sha384
*
* @param bytes Data to digest
* @return digest as a byte array
*/
public static byte[] sha384(final byte[] bytes) {
return DigestUtils.digest("SHA-384", bytes);
}
/**
* sha384Hex
*
* @param data Data to digest
* @return digest as a hex string
*/
public static String sha384Hex(String data) {
return DigestUtils.encodeHex(sha384(data.getBytes(Charsets.UTF_8)));
}
/**
* sha384Hex
*
* @param bytes Data to digest
* @return digest as a hex string
*/
public static String sha384Hex(final byte[] bytes) {
return DigestUtils.encodeHex(sha384(bytes));
}
/**
* sha512Hex
*
* @param data Data to digest
* @return digest as a byte array
*/
public static byte[] sha512(String data) {
return DigestUtils.sha512(data.getBytes(Charsets.UTF_8));
}
/**
* sha512Hex
*
* @param bytes Data to digest
* @return digest as a byte array
*/
public static byte[] sha512(final byte[] bytes) {
return DigestUtils.digest("SHA-512", bytes);
}
/**
* sha512Hex
*
* @param data Data to digest
* @return digest as a hex string
*/
public static String sha512Hex(String data) {
return DigestUtils.encodeHex(sha512(data.getBytes(Charsets.UTF_8)));
}
/**
* sha512Hex
*
* @param bytes Data to digest
* @return digest as a hex string
*/
public static String sha512Hex(final byte[] bytes) {
return DigestUtils.encodeHex(sha512(bytes));
}
/**
* digest
*
* @param algorithm 算法
* @param bytes Data to digest
* @return digest byte array
*/
public static byte[] digest(String algorithm, byte[] bytes) {
try {
MessageDigest md = MessageDigest.getInstance(algorithm);
return md.digest(bytes);
} catch (NoSuchAlgorithmException e) {
throw Exceptions.unchecked(e);
}
}
/**
* digest Hex
*
* @param algorithm 算法
* @param bytes Data to digest
* @return digest as a hex string
*/
public static String digestHex(String algorithm, byte[] bytes) {
return DigestUtils.encodeHex(digest(algorithm, bytes));
}
/**
* hmacMd5
*
* @param data Data to digest
* @param key key
* @return digest as a byte array
*/
public static byte[] hmacMd5(String data, String key) {
return DigestUtils.hmacMd5(data.getBytes(Charsets.UTF_8), key);
}
/**
* hmacMd5
*
* @param bytes Data to digest
* @param key key
* @return digest as a byte array
*/
public static byte[] hmacMd5(final byte[] bytes, String key) {
return DigestUtils.digestHmac("HmacMD5", bytes, key);
}
/**
* hmacMd5 Hex
*
* @param data Data to digest
* @param key key
* @return digest as a hex string
*/
public static String hmacMd5Hex(String data, String key) {
return DigestUtils.encodeHex(hmacMd5(data.getBytes(Charsets.UTF_8), key));
}
/**
* hmacMd5 Hex
*
* @param bytes Data to digest
* @param key key
* @return digest as a hex string
*/
public static String hmacMd5Hex(final byte[] bytes, String key) {
return DigestUtils.encodeHex(hmacMd5(bytes, key));
}
/**
* hmacSha1
*
* @param data Data to digest
* @param key key
* @return digest as a byte array
*/
public static byte[] hmacSha1(String data, String key) {
return DigestUtils.hmacSha1(data.getBytes(Charsets.UTF_8), key);
}
/**
* hmacSha1
*
* @param bytes Data to digest
* @param key key
* @return digest as a byte array
*/
public static byte[] hmacSha1(final byte[] bytes, String key) {
return DigestUtils.digestHmac("HmacSHA1", bytes, key);
}
/**
* hmacSha1 Hex
*
* @param data Data to digest
* @param key key
* @return digest as a hex string
*/
public static String hmacSha1Hex(String data, String key) {
return DigestUtils.encodeHex(hmacSha1(data.getBytes(Charsets.UTF_8), key));
}
/**
* hmacSha1 Hex
*
* @param bytes Data to digest
* @param key key
* @return digest as a hex string
*/
public static String hmacSha1Hex(final byte[] bytes, String key) {
return DigestUtils.encodeHex(hmacSha1(bytes, key));
}
/**
* hmacSha224
*
* @param data Data to digest
* @param key key
* @return digest as a hex string
*/
public static byte[] hmacSha224(String data, String key) {
return DigestUtils.hmacSha224(data.getBytes(Charsets.UTF_8), key);
}
/**
* hmacSha224
*
* @param bytes Data to digest
* @param key key
* @return digest as a hex string
*/
public static byte[] hmacSha224(final byte[] bytes, String key) {
return DigestUtils.digestHmac("HmacSHA224", bytes, key);
}
/**
* hmacSha224 Hex
*
* @param data Data to digest
* @param key key
* @return digest as a hex string
*/
public static String hmacSha224Hex(String data, String key) {
return DigestUtils.encodeHex(hmacSha224(data.getBytes(Charsets.UTF_8), key));
}
/**
* hmacSha224 Hex
*
* @param bytes Data to digest
* @param key key
* @return digest as a hex string
*/
public static String hmacSha224Hex(final byte[] bytes, String key) {
return DigestUtils.encodeHex(hmacSha224(bytes, key));
}
/**
* hmacSha256
*
* @param data Data to digest
* @param key key
* @return digest as a hex string
*/
public static byte[] hmacSha256(String data, String key) {
return DigestUtils.hmacSha256(data.getBytes(Charsets.UTF_8), key);
}
/**
* hmacSha256
*
* @param bytes Data to digest
* @param key key
* @return digest as a byte array
*/
public static byte[] hmacSha256(final byte[] bytes, String key) {
return DigestUtils.digestHmac("HmacSHA256", bytes, key);
}
/**
* hmacSha256 Hex
*
* @param data Data to digest
* @param key key
* @return digest as a byte array
*/
public static String hmacSha256Hex(String data, String key) {
return DigestUtils.encodeHex(hmacSha256(data.getBytes(Charsets.UTF_8), key));
}
/**
* hmacSha256 Hex
*
* @param bytes Data to digest
* @param key key
* @return digest as a hex string
*/
public static String hmacSha256Hex(final byte[] bytes, String key) {
return DigestUtils.encodeHex(hmacSha256(bytes, key));
}
/**
* hmacSha384
*
* @param data Data to digest
* @param key key
* @return digest as a byte array
*/
public static byte[] hmacSha384(String data, String key) {
return DigestUtils.hmacSha384(data.getBytes(Charsets.UTF_8), key);
}
/**
* hmacSha384
*
* @param bytes Data to digest
* @param key key
* @return digest as a byte array
*/
public static byte[] hmacSha384(final byte[] bytes, String key) {
return DigestUtils.digestHmac("HmacSHA384", bytes, key);
}
/**
* hmacSha384 Hex
*
* @param data Data to digest
* @param key key
* @return digest as a hex string
*/
public static String hmacSha384Hex(String data, String key) {
return DigestUtils.encodeHex(hmacSha384(data.getBytes(Charsets.UTF_8), key));
}
/**
* hmacSha384 Hex
*
* @param bytes Data to digest
* @param key key
* @return digest as a hex string
*/
public static String hmacSha384Hex(final byte[] bytes, String key) {
return DigestUtils.encodeHex(hmacSha384(bytes, key));
}
/**
* hmacSha512
*
* @param data Data to digest
* @param key key
* @return digest as a byte array
*/
public static byte[] hmacSha512(String data, String key) {
return DigestUtils.hmacSha512(data.getBytes(Charsets.UTF_8), key);
}
/**
* hmacSha512
*
* @param bytes Data to digest
* @param key key
* @return digest as a byte array
*/
public static byte[] hmacSha512(final byte[] bytes, String key) {
return DigestUtils.digestHmac("HmacSHA512", bytes, key);
}
/**
* hmacSha512 Hex
*
* @param data Data to digest
* @param key key
* @return digest as a hex string
*/
public static String hmacSha512Hex(String data, String key) {
return DigestUtils.encodeHex(hmacSha512(data.getBytes(Charsets.UTF_8), key));
}
/**
* hmacSha512 Hex
*
* @param bytes Data to digest
* @param key key
* @return digest as a hex string
*/
public static String hmacSha512Hex(final byte[] bytes, String key) {
return DigestUtils.encodeHex(hmacSha512(bytes, key));
}
public static String digestHmacHex(String algorithm, final byte[] bytes, String key) {
return DigestUtils.encodeHex(DigestUtils.digestHmac(algorithm, bytes, key));
}
public static byte[] digestHmac(String algorithm, final byte[] bytes, String key) {
SecretKey secretKey = new SecretKeySpec(key.getBytes(Charsets.UTF_8), algorithm);
try {
Mac mac = Mac.getInstance(secretKey.getAlgorithm());
mac.init(secretKey);
return mac.doFinal(bytes);
} catch (NoSuchAlgorithmException | InvalidKeyException e) {
throw Exceptions.unchecked(e);
}
}
/**
* encode Hex
*
* @param bytes Data to Hex
* @return bytes as a hex string
*/
public static String encodeHex(byte[] bytes) {
StringBuilder r = new StringBuilder(bytes.length * 2);
for (byte b : bytes) {
r.append(HEX_CODE[(b >> 4) & 0xF]);
r.append(HEX_CODE[(b & 0xF)]);
}
return r.toString();
}
/**
* 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
*/
public static boolean slowEquals(@Nullable String a, @Nullable String b) {
if (a == null || b == null) {
return false;
}
return DigestUtils.slowEquals(a.getBytes(Charsets.UTF_8), b.getBytes(Charsets.UTF_8));
}
/**
* 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
*/
public static boolean slowEquals(@Nullable byte[] a, @Nullable byte[] b) {
if (a == null || b == null) {
return false;
}
if (a.length != b.length) {
return false;
}
int diff = a.length ^ b.length;
for (int i = 0; i < a.length && i < b.length; i++) {
diff |= a[i] ^ b[i];
}
return diff == 0;
}
}
