获取微信支付特约商户进件

加密证书用的是从服务商下载的证书apicclient_cert.pem

解密用的是获取平台证书

解密代码

javax.crypto.AEADBadTagException: Tag mismatch!

at com.sun.crypto.provider.GaloisCounterMode.decryptFinal(GaloisCounterMode.java:524)

at com.sun.crypto.provider.CipherCore.finalNoPadding(CipherCore.java:1023)

at com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:960)

at com.sun.crypto.provider.CipherCore.doFinal(CipherCore.java:824)

at com.sun.crypto.provider.AESCipher.engineDoFinal(AESCipher.java:436)

at javax.crypto.Cipher.doFinal(Cipher.java:2165)