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#692 修复退款通知解密信息时报Invalid AES key length: 31 bytes异常的问题

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Binary Wang 2018-08-04 19:54:57 +08:00
parent ad8de25f7f
commit 266aca2734
1 changed files with 4 additions and 5 deletions
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9
weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/notify/WxPayRefundNotifyResult.java
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@ -11,6 +11,7 @@ import lombok.NoArgsConstructor;
import me.chanjar.weixin.common.util.ToStringUtils;
import me.chanjar.weixin.common.util.xml.XStreamInitializer;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.codec.digest.DigestUtils;
import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;
@ -44,12 +45,10 @@ public class WxPayRefundNotifyResult extends BaseWxPayResult implements Serializ
WxPayRefundNotifyResult result = BaseWxPayResult.fromXML(xmlString, WxPayRefundNotifyResult.class);
String reqInfoString = result.getReqInfoString();
try {
Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
final MessageDigest md5 = MessageDigest.getInstance("MD5");
md5.update(mchKey.getBytes());
final String keyMd5String = new BigInteger(1, md5.digest()).toString(16).toLowerCase();
final String keyMd5String = DigestUtils.md5Hex(mchKey).toLowerCase();
SecretKeySpec key = new SecretKeySpec(keyMd5String.getBytes(), "AES");
Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
cipher.init(Cipher.DECRYPT_MODE, key);
result.setReqInfo(ReqInfo.fromXML(new String(cipher.doFinal(Base64.decodeBase64(reqInfoString)))));
} catch (Exception e) {