uname -a
Linux dev.**** 3.10.0-514.10.2.el7.x86_64 #1 SMP Mon Feb 20 02:37:52 EST 2017 x86_64 x86_64 x86_64 GNU/Linux
->| cat /etc/os-release
NAME="Red Hat Enterprise Linux Server"
VERSION="7.3 (Maipo)"
ID="rhel"
ID_LIKE="fedora"
VERSION_ID="7.3"
PRETTY_NAME="Red Hat Enterprise Linux Server 7.3 (Maipo)"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:redhat:enterprise_linux:7.3:GA:server"
HOME_URL="https://www.redhat.com/"
BUG_REPORT_URL="https://bugzilla.redhat.com/"

REDHAT_BUGZILLA_PRODUCT="Red Hat Enterprise Linux 7"
REDHAT_BUGZILLA_PRODUCT_VERSION=7.3
REDHAT_SUPPORT_PRODUCT="Red Hat Enterprise Linux"
REDHAT_SUPPORT_PRODUCT_VERSION="7.3"

public function verify($sgn, $data)
    {
        $data = base64_encode($data);

        try
        {
            $sd = new \CPSignedData();

            $sd->set_ContentEncoding(BASE64_TO_BINARY);
            $sd->set_Content($data);
            $sd->VerifyCades($sgn, CADES_BES, 1);
            return true;

        }
        catch(\Exception $e)
        {
           ;
        }

        return false;
    }

/opt/cprocsp/bin/amd64/cryptcp -vsignf -mroot test.txt -f test.txt.sgn

$sd->VerifyCades($sgn, CADES_BES, 1);