com.sc.utils.encrypt.MD5 Maven / Gradle / Ivy
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package com.sc.utils.encrypt;
import org.apache.commons.codec.digest.DigestUtils;
import java.io.UnsupportedEncodingException;
import java.security.SignatureException;
public class MD5 {
public static String sign(String text, String key, String input_charset) {
text = text + key;
return DigestUtils.md5Hex(getContentBytes(text, input_charset));
}
public static boolean verify(String text, String sign, String key, String input_charset) {
text = text + key;
String mysign = DigestUtils.md5Hex(getContentBytes(text, input_charset));
if(mysign.equals(sign)) {
return true;
}
else {
return false;
}
}
private static byte[] getContentBytes(String content, String charset) {
if (charset == null || "".equals(charset)) {
return content.getBytes();
}
try {
return content.getBytes(charset);
} catch (UnsupportedEncodingException e) {
throw new RuntimeException("MD5签名过程中出现错误,指定的编码集不对,您目前指定的编码集是:" + charset);
}
}
}