Java MD5 加密

標籤：java

MessageDigest md5 = null;try {md5 = MessageDigest.getInstance("MD5");} catch (Exception e) {System.out.println(e.toString());e.printStackTrace();return "";}byte[] by = str.getBytes();byte[] md5Bytes = md5.digest(by);StringBuffer hexValue = new StringBuffer();for (int i = 0; i < md5Bytes.length; i++) {int val = ((int) md5Bytes[i]) & 0xff;if (val < 16)hexValue.append("0");hexValue.append(Integer.toHexString(val));}return hexValue.toString();

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Java MD5 加密