获取RSA加密公钥

调用获取RSA公钥API获取RSA公钥，用于加密付款到银行业务接口中的用户敏感信息。

请求参数	类型	描述
base_uri	string	声明接入点 固定值https://fraud.mch.weixin.qq.com/
xml	object	声明请求的XML数据结构
mch_id	string	商户号
sign_type	string	签名类型 MD5 | HMAC-SHA256 枚举值之一
security	boolean	声明加载商户API证书 固定值true

异步纯链式

$instance->v2->risk->getpublickey->postAsync([
  'base_uri' => 'https://fraud.mch.weixin.qq.com/', // 接入点
  'xml' => [
    'mch_id' => '1900000109',
    'sign_type' => 'MD5',
  ],
  'security' => true,
])
->then(static function(\Psr\Http\Message\ResponseInterface $response) {
  print_r(\WeChatPay\Transformer::toArray((string) $response->getBody()));
})
->wait();

异步声明式

$instance->chain('v2/risk/getpublickey')->postAsync([
  'base_uri' => 'https://fraud.mch.weixin.qq.com/', // 接入点
  'xml' => [
    'mch_id' => '1900000109',
    'sign_type' => 'MD5',
  ],
  'security' => true,
])
->then(static function(\Psr\Http\Message\ResponseInterface $response) {
  print_r(\WeChatPay\Transformer::toArray((string) $response->getBody()));
})
->wait();

异步属性式

$instance['v2/risk/getpublickey']->postAsync([
  'base_uri' => 'https://fraud.mch.weixin.qq.com/', // 接入点
  'xml' => [
    'mch_id' => '1900000109',
    'sign_type' => 'MD5',
  ],
  'security' => true,
])
->then(static function(\Psr\Http\Message\ResponseInterface $response) {
  print_r(\WeChatPay\Transformer::toArray((string) $response->getBody()));
})
->wait();

同步纯链式

$response = $instance->v2->risk->getpublickey->post([
  'base_uri' => 'https://fraud.mch.weixin.qq.com/', // 接入点
  'xml' => [
    'mch_id' => '1900000109',
    'sign_type' => 'MD5',
  ],
  'security' => true,
]);
print_r(\WeChatPay\Transformer::toArray((string) $response->getBody()));

同步声明式

$response = $instance->chain('v2/risk/getpublickey')->post([
  'base_uri' => 'https://fraud.mch.weixin.qq.com/', // 接入点
  'xml' => [
    'mch_id' => '1900000109',
    'sign_type' => 'MD5',
  ],
  'security' => true,
]);
print_r(\WeChatPay\Transformer::toArray((string) $response->getBody()));

同步属性式

$response = $instance['v2/risk/getpublickey']->post([
  'base_uri' => 'https://fraud.mch.weixin.qq.com/', // 接入点
  'xml' => [
    'mch_id' => '1900000109',
    'sign_type' => 'MD5',
  ],
  'security' => true,
]);
print_r(\WeChatPay\Transformer::toArray((string) $response->getBody()));

返回字典	类型	描述
return_code	string	返回状态码
return_msg	string	错误码描述
error_code	string	错误码
error_code_des	string	错误代码描述
result_code	string	返回状态码
mch_id	string	商户号
pub_key	string	RSA公钥

参阅 官方文档