<?php /** * SSH2 Signature Handler * * PHP version 5 * * Handles signatures in the format used by SSH2 * * @author Jim Wigginton <terrafrost@php.net> * @copyright 2016 Jim Wigginton * @license http://www.opensource.org/licenses/mit-license.html MIT License * @link http://phpseclib.sourceforge.net */ namespace phpseclib3\Crypt\EC\Formats\Signature; use phpseclib3\Common\Functions\Strings; use phpseclib3\Math\BigInteger; /** * SSH2 Signature Handler * * @author Jim Wigginton <terrafrost@php.net> */ abstract class SSH2 { /** * Loads a signature * * @param string $sig * @return mixed */ public static function load($sig) { if (!is_string($sig)) { return false; } $result = Strings::unpackSSH2('ss', $sig); if ($result === false) { return false; } list($type, $blob) = $result; switch ($type) { // see https://tools.ietf.org/html/rfc5656#section-3.1.2 case 'ecdsa-sha2-nistp256': case 'ecdsa-sha2-nistp384': case 'ecdsa-sha2-nistp521': break; default: return false; } $result = Strings::unpackSSH2('ii', $blob); if ($result === false) { return false; } return [ 'r' => $result[0], 's' => $result[1] ]; } /** * Returns a signature in the appropriate format * * @param \phpseclib3\Math\BigInteger $r * @param \phpseclib3\Math\BigInteger $s * @param string $curve * @return string */ public static function save(BigInteger $r, BigInteger $s, $curve) { switch ($curve) { case 'secp256r1': $curve = 'nistp256'; break; case 'secp384r1': $curve = 'nistp384'; break; case 'secp521r1': $curve = 'nistp521'; break; default: return false; } $blob = Strings::packSSH2('ii', $r, $s); return Strings::packSSH2('ss', 'ecdsa-sha2-' . $curve, $blob); } }

Get Access Token

Get access token to initiates payment transaction.

Endpoint: POST generate-token

Parameter	Type	Comments
client_id	string	Enter merchant API client/primary key
secret_id	string	Enter merchant API secret key
env	string	Enter merchant API environment
merchant_id	string	Enter merchant API merchant id

Just request to that endpoint with all parameter listed below:

                    
                        Request Example (guzzle)
                        

                        
                            
<?php
                            
 require_once('vendor/autoload.php');
                            
 $client = new \GuzzleHttp\Client();
                            
 $response = $client->request('POST', $base_url. 'v1/generate-token', [
                            
'headers' => [
                            
  'accept' => 'application/json',
                            
  'content-type' => 'application/json',
                            
 ],
                            
'form_params' => [
                            
  'client_id'     => '$client_id',
                            
  'secret_id'     => 'secret_id',
                            
  'env'           => 'env',
                            
  'merchant_id'   => 'merchant_id',
                            
 ],
                            
                            
]);
                            
echo $response->getBody();

                    
                        
**Response: SUCCESS (200 OK)**
                        
{
                        
 "message": {
                        
 "success": [
                        
  "Successfully token is generated"
                        
 ]
                        
},
                        
"data": {
                        
 "token":"eyJpdiI6InpkczhjTjhQdVhUL2lKQ0pSUUx6aUE9P
SIsInZhbHVlIjoiVGVBTVBDTXltbjNZcEIvdEJveGpTSno3TU5NRUtn
VkhCZ1pHTFNCUnZGQ2UxMnYxN202cEE1YVRDTEFsc0ZERExoTjdtL0dTL2x
oU3QzeUJJOExiMUx5T0w1L0llUXhTUkU1cWVLWEdEbEplb0dKNXcwbTNRM0
VxdkUwYzZuNFdtNkhMQ0pRZysyNWkvdzBxSlBoSVBSOGFTekNnR2RXNHVtc
G9lMGZOTmNCcm1hR3c5Sk9KTnB4Y3ltZDl6cm90MThrR21Ca3B1azc3bXRi
Q0J6SW96UVo1elNkU1ZqeE05bTcwWGp1MEUxWlJFdnNWTmpSbnVpeW92b2U
4dXZkUGgyb1VmK0luaGdyaFlsVTZlcVpVRnZlTG1DeFF6Ykk2T2h6Z3Jzbn
IyNHpNdHowSE5JdDR0Y0pZT20zUm1XYW8iLCJtYWMiOiJlY2M4NGE1OGUzYz
kzYzk0YzljNmVmNjE0YWI0ZDIwOGI3NDQ2YWEyY2ZhNzc0NzE4ZmY1ZmYyMz

                        IyZmQzNDY1IiwidGFnIjoiIn0=",
                        
},
                        
"type": "success"
                        
}

                    
                        
**Response: ERROR (400 FAILED)**
                        
{
                        
 "message": {
                        
 "error": [
                        
  "Invalid credentials."
                        
 ]
                        
},
                        
"data": null,
                        
"type": "error"
                        
}