Zend framework 使用Zend Framework 2将证书文件上载到web服务

我需要发送一个包含名称和.pem证书的表单，并将它们上传到web服务，以便正确地保存在MySQL中。我在谷歌上搜索了一下，找到了一些关于如何将文件内容保存到给定本地路径的示例

我有我的表格：

namespace Application\Form;

use Zend\Form\Form;

class CertificadoForm extends Form
{
public function __construct($name = null)
{
    parent::__construct('Certificado');
    $this->setAttribute('method', 'post');
    $this->setAttribute('enctype','multipart/form-data');
    $this->setAttribute('id', 'fileuploadform');
    $this->setAttribute('name', 'fileuploadform');

    $this->add(array(
        'name' => 'nome',
        'attributes' => array(
            'type'  => 'text',
        ),
        'options' => array(
            'label' => 'Nome do Certificado',
        ),
    ));

    $this->add(array(
        'name' => 'arquivo_certificado',
        'attributes' => array(
            'type'  => 'file',
        ),
        'options' => array(
            'label' => 'Upload Certificado',
        ),
    )); 


    $this->add(array(
        'name' => 'submit',
        'attributes' => array(
            'type'  => 'submit',
            'value' => 'Upload'
        ),
    )); 
  }
}

如果我尝试使用以下方式获取表单的内容：

$File = $this->params()->fromFiles('arquivo_certificado');

然后，我有一个具有以下内容的数组：

array(5) { ["name"]=> string(9) "teste.pem" ["type"]=> string(26) "application/x-x509-ca-cert" ["tmp_name"]=> string(14) "/tmp/phpWUs3xQ" ["error"]=> int(0) ["size"]=> int(2423) } 

如果我查看Firebug的Net选项卡，我在POST请求中有：

Parts multipart/form-data
nome    
gvbds
arquivo_certificado 
-----BEGIN CERTIFICATE-----
MIIG0TCCBLmgAwIBAgIIEQIWBARyX8gwDQYJKoZIhvcNAQELBQAwgYAxCzAJBgNV
BAYTAkJSMRMwEQYDVQQKEwpJQ1AtQnJhc2lsMRkwFwYDVQQLExBBQyBSQUlaIHRl
c3RlIHYyMRswGQYDVQQLExJBQyBTT0xVVEkgdGVzdGUgdjIxJDAiBgNVBAMTG0FD
IFNPTFVUSSBNdWx0aXBsYSB0ZXN0ZSB2MjAeFw0xNjA0MDQyMTMyNTlaFw0xNzA0
MDQyMTMyNTlaMIGVMQswCQYDVQQGEwJCUjETMBEGA1UEChMKSUNQLUJyYXNpbDEa
MBgGA1UECxMRQ2VydGlmaWNhZG8gUEYgQTExGzAZBgNVBAsTEkFDIFNPTFVUSSBN
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hoz3bL1rvWqDo8/AEigDeCp+OSOeN90fLeoHt2zPmrGtiv3i6TA8sQu3Q0wQXh57
zq+q0gL9w8AFWl75QWe+8r8BQBVefXtFwjArK3KZiy+C51ny+wzkR55YBOoUOa7Y
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mTt0SgdZoB9QTjT31T8uVPAPOJgGhPRB/vI0BYNz6NTpQB/B9YLzzpMVUUXA0WxE
N4wT9hLuvAn9++CBhMzx+482bwHVIuSGLTY5Wj+MEY1CiIssAD5ZNCPLKNsJeHYe
BWwDABbMHxZ5HdlZvEObbOFk/rE6wEj+XUBb6hWegMPjzqnhiyhzM7YElpvGf7/S
eW3/swrswzRlgEAQIYTM3tNC1Mgy
-----END CERTIFICATE-----
submit  
Upload
Source

-----------------------------156731466519572815661505124064
Content-Disposition: form-data; name="nome"

gvbds
-----------------------------156731466519572815661505124064
Content-Disposition: form-data;              name="arquivo_certificado";                         filename="teste.pem"
    Content-Type: application/x-x509-ca-cert

    -----BEGIN CERTIFICATE-----
    MIIG0TCCBLmgAwIBAgIIEQIWBARyX8gwDQYJKoZIhvcNAQELBQAwgYAxCzAJBgNV
    BAYTAkJSMRMwEQYDVQQKEwpJQ1AtQnJhc2lsMRkwFwYDVQQLExBBQyBSQUlaIHRl
    c3RlIHYyMRswGQYDVQQLExJBQyBTT0xVVEkgdGVzdGUgdjIxJDAiBgNVBAMTG0FD
    IFNPTFVUSSBNdWx0aXBsYSB0ZXN0ZSB2MjAeFw0xNjA0MDQyMTMyNTlaFw0xNzA0
    MDQyMTMyNTlaMIGVMQswCQYDVQQGEwJCUjETMBEGA1UEChMKSUNQLUJyYXNpbDEa
    MBgGA1UECxMRQ2VydGlmaWNhZG8gUEYgQTExGzAZBgNVBAsTEkFDIFNPTFVUSSBN
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    eW3/swrswzRlgEAQIYTM3tNC1Mgy
    -----END CERTIFICATE-----

    -----------------------------156731466519572815661505124064
    Content-Disposition: form-data; name="submit"

    Upload
    -----------------------------156731466519572815661505124064--

这个散列可以满足我的需要，但是我找不到一种方法将它放入我的控制器中。我只是得到了保存文件的临时空间的信息。我可以试着得到这个哈希吗？或者如何将二进制文件上载到web服务