Bank-enterprise direct connection interface problem, phpcurl

Use phpcurl to call the bank's direct connection interface. First, install a securityProxy (with a certificate: Private Key pfx format certificate (private key is used to encrypt and generate a signature to send packets ), the public key is a cer-format certificate (the public key is used to verify the signature in the returned message). The bank said that if the proxy software is installed, you do not have to build the certificate or anything on your own,

Use php curl to call the direct connection interface of bank and Enterprise. First, install a security Proxy (with the certificate: Private Key pfx format certificate (private key is used to encrypt and generate a signature to send packets ), the public key is a cer-format certificate (the public key is used to verify the signature in the returned message). The bank said that if the proxy software is installed, you do not have to build the certificate or anything on your own,

Use php curl to call the direct connection interface of bank and Enterprise. First, install a security Proxy (with the certificate: Private Key pfx format certificate (private key is used to encrypt and generate a signature to send packets ), the public key is a cer Certificate (the public key is used to verify the signature in the returned message)

)

The bank said that if the agent software is installed, You Don't Have To build certificates or anything on your own, and the program calls the interface directly,

Php code: curl extension enabled

// Construct xml
$ Xmldata = '**********';
// Initiate a curl session
$ Curl = curl_init ();
// Set the sending method: post
Curl_setopt ($ curl, CURLOPT_POST, true );
// Whether the returned value exists
Curl_setopt ($ curl, CURLOPT_RETURNTRANSFER, true );
// Set the url
$ Url = '******************';
Curl_setopt ($ curl, CURLOPT_URL, $ url );
// Set the sending data
Curl_setopt ($ curl, CURLOPT_POSTFIELDS, $ xmldata );
// Set the timeout value
Curl_setopt ($ curl, CURLOPT_TIMEOUT, 200 );
// Obtain the returned value
$ Response = curl_exec ($ curl );
// Return curl Error
Var_dump (curl_error ($ curl ));
// Disable cURL resources and Release System Resources
Curl_close ($ curl );

Always report the following error: "SSL certificate problem, verify that the CA cert is OK. Details: error: 14090086: SSL routines: SSL3_GET_SERVER_CERTIFICATE: certificate verify failed"

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