package com.dituhui.egispweb.radar.filter; import java.io.UnsupportedEncodingException; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; public class SHA256Util { public static String getSHA256String(String str){ MessageDigest messageDigest; String sha256Str = ""; try { messageDigest = MessageDigest.getInstance("SHA-256"); messageDigest.update(str.getBytes("UTF-8")); sha256Str=byte2Hex(messageDigest.digest()); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } return sha256Str; } /** * 将byte转为16进制 * @param bytes * @return */ private static String byte2Hex(byte[]bytes){ StringBuffer stringBuffer = new StringBuffer(); String temp = null; for (int i=0;i<bytes.length;i++){ temp = Integer.toHexString(bytes[i] & 0xFF); if (temp.length()==1){ stringBuffer.append("0"); } stringBuffer.append(temp); } return stringBuffer.toString(); } }
SHA-256工具类(非对称加密)
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转载自blog.csdn.net/a116385895/article/details/102726813
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