| | |
| | | import java.io.FileInputStream; |
| | | import java.io.UnsupportedEncodingException; |
| | | import java.math.BigInteger; |
| | | import java.nio.charset.StandardCharsets; |
| | | import java.security.MessageDigest; |
| | | import java.security.NoSuchAlgorithmException; |
| | | |
| | |
| | | */ |
| | | public final class HDLMD5Utils { |
| | | |
| | | |
| | | /** |
| | | * MD5转字符串 |
| | | */ |
| | | public static String encodeMD5(byte[] f) { |
| | | try { |
| | | MessageDigest digest = MessageDigest.getInstance("MD5"); |
| | | digest.update(f); |
| | | byte[] messageDigest = digest.digest(); |
| | | return toHexString(messageDigest); |
| | | } catch (NoSuchAlgorithmException e) { |
| | | e.printStackTrace(); |
| | | } |
| | | return ""; |
| | | } |
| | | /** |
| | | * MD5转字符串 |
| | | */ |
| | | public static String encodeMD5(String s) { |
| | | try { |
| | | MessageDigest digest = MessageDigest.getInstance("MD5"); |
| | | digest.update(s.getBytes("UTF-8")); |
| | | digest.update(s.getBytes(StandardCharsets.UTF_8)); |
| | | byte[] messageDigest = digest.digest(); |
| | | return toHexString(messageDigest); |
| | | } catch (NoSuchAlgorithmException | UnsupportedEncodingException e) { |
| | | } catch (NoSuchAlgorithmException e) { |
| | | e.printStackTrace(); |
| | | } |
| | | return ""; |
| | |
| | | public static String encodeMD52(String s) { |
| | | char[] hexDigits = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'}; |
| | | try { |
| | | byte[] btInput = s.getBytes("utf-8"); |
| | | byte[] btInput = s.getBytes(StandardCharsets.UTF_8); |
| | | MessageDigest digest = MessageDigest.getInstance("MD5"); |
| | | digest.update(btInput); |
| | | byte[] md = digest.digest(); |
| | |
| | | return bigInt.toString(16); |
| | | } |
| | | |
| | | /** |
| | | * MD5文件转字符串 |
| | | */ |
| | | public static String encodeMD5(byte[] f) { |
| | | MessageDigest digest; |
| | | try { |
| | | digest = MessageDigest.getInstance("MD5"); |
| | | digest.update(f); |
| | | } catch (Exception e) { |
| | | e.printStackTrace(); |
| | | return null; |
| | | } |
| | | BigInteger bigInt = new BigInteger(1, digest.digest()); |
| | | return bigInt.toString(16); |
| | | } |
| | | |
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