我对openssl_pkcs7_verify有问题。
在wamp下（使用Windows）和PHP 5.5.12我得到：
Warning: openssl_pkcs7_verify(): error opening the file, CA.pem
但是在使用Linux在服务器生产环境中在线上载代码之后，所有工作都很好，并且我的原始文件（file.xml.p7m）像期望的（cleanfile.xml）一样清除了签名！
CA.pem是正确的，并且是脚本同一目录中的类似文件（具有多个证书）：
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
这是我在php中的脚本：
<?php
function der2smime($file)
{
$to=<<<TXT
MIME-Version: 1.0
Content-Disposition: attachment; filename="smime.p7m"
Content-Type: application/x-pkcs7-mime; smime-type=signed-data; name="smime.p7m"
Content-Transfer-Encoding: base64
\n
TXT;
$from=file_get_contents($file);
$to.=chunk_split(base64_encode($from));
return file_put_contents("smime.p7m-b6m",$to);
}
$file = "file.xml.p7m";
$response = der2smime($file); // output in file: smime.p7m-b6m
$output = openssl_pkcs7_verify ("smime.p7m-b6m" , 0 , null ,array("CA.pem"),"CA.pem","cleanfile.xml");
var_dump($output); // i get always -1 under windows!
我无法找到Windows下无法正常工作的原因