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Add javadoc.

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This commit is contained in:
Sutra Zhou 2018-04-30 21:25:09 +08:00
parent 7a24532ab7
commit 2c1892a5e2
1 changed files with 9 additions and 0 deletions
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9
weixin4j-wxa/src/main/java/com/foxinmy/weixin4j/wxa/WXBizDataCrypt.java
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@ -9,6 +9,8 @@ import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject; import com.alibaba.fastjson.JSONObject;
/** /**
* 对微信小程序用户加密数据的解密.
*
* @see <a href="https://developers.weixin.qq.com/miniprogram/dev/api/signature.html#wxchecksessionobject">加密数据解密算法</a> * @see <a href="https://developers.weixin.qq.com/miniprogram/dev/api/signature.html#wxchecksessionobject">加密数据解密算法</a>
*/ */
public class WXBizDataCrypt { public class WXBizDataCrypt {
@ -22,6 +24,13 @@ public class WXBizDataCrypt {
this.sessionKey = sessionKey; this.sessionKey = sessionKey;
} }
/**
* 解密微信小程序用户加密数据.
*
* @param encryptedData 加密的用户数据.
* @param iv 与用户数据一同返回的初始向量.
* @return 解密后的原文.
*/
public JSONObject decryptData(final String encryptedData, final String iv) { public JSONObject decryptData(final String encryptedData, final String iv) {
final byte[] aesKey = Base64.decodeBase64(sessionKey); final byte[] aesKey = Base64.decodeBase64(sessionKey);
final byte[] aesCipher = Base64.decodeBase64(encryptedData); final byte[] aesCipher = Base64.decodeBase64(encryptedData);