problem description
when interfacing with the payment interface, the parameters are encrypted with the private key. The platform uses our public key to verify the signature, and their demo verification is successful. However, after sending the post request, the return verification fails.
the environmental background of the problems and what methods you have tried
confirmed that there is no problem with the public key.
communicated with the platform personnel, saying that the request id, signature field in the parameters received over there has all changed.
related codes
/ / Please paste the code text below (do not replace the code with pictures)
return information: {"msg": "signature verification failed", "code": "SXF0005", "reqId": "20180828-161110381"}