java sha-512 암호화만

import java.security.NoSuchAlgorithmException; import org.apache.commons.codec.digest.DigestUtils; public class CodecSha512Test { public static void main(String[] args) { MessageDigest md; String message = "1234567890123456"; String mes1 = ""; String mes2 = ""; try { md = MessageDigest.getInstance("SHA-512"); md.update(message.getBytes()); byte[] mb = md.digest(); for (int i = 0; i < mb.length; i++) { byte temp = mb[i]; String s = Integer.toHexString(new Byte(temp)); while (s.length() < 2) { s = "0" + s; } s = s.substring(s.length() - 2); mes1 += s; } System.out.println(mes1.length()); System.out.println("CRYPTO : " + mes1); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } mes2 = DigestUtils.sha512Hex(message); System.out.println(mes2.length()); System.out.println("CRYPTO : " + mes2); if (mes1.equals(mes2)) { System.out.println("둘은 같다."); } } }

128

CRYPTO : 1f52ed515871c913164398ec24c47088cdf957e81af28c899a8a0195d3620e083968a6d4d86cb8f9bd7f909b23f75a1c044ec8e675c6efbcb0e4bf0eb445525d

128

CRYPTO : 1f52ed515871c913164398ec24c47088cdf957e81af28c899a8a0195d3620e083968a6d4d86cb8f9bd7f909b23f75a1c044ec8e675c6efbcb0e4bf0eb445525d

둘은 같다.
 

여러군데서 참고하였습니다. 제 것이 아니고요... 감사합니다.