PHP7 openssl函数替换mcrypt函数加密解密方法

$key = '-两i61^';
$iv = '&11r二(*3';

$data = "1两3456789"; //要添稀的数据

if(PHP_VERSION<5.6){
    $a= base64_encode(mcrypt_encrypt(MCRYPT_3DES,$key,$data,MCRYPT_MODE_CBC,$iv));
    echo &#39;mcrypt_encrypt:&#39;.$a.&#39;<br>&#39;;
    //rtrim 移除了字符串左侧的空缺字符
    $decrypt = rtrim(mcrypt_decrypt(MCRYPT_3DES,$key,base64_decode($a),MCRYPT_MODE_CBC,$iv),&#39;\0&#39;);
    echo &#39;mcrypt_decrypt:&#39;.$decrypt.&#39;<br>&#39;;
} //利用mcrypt函数来对于比



$len = strlen($data);
if($len%8){
    $data = str_pad($data,$len+8-$len%8,"\0");
}//运用空字符添补字符串的左侧,使字符串位数变为8的倍数
$b = base64_encode(openssl_encrypt($data,&#39;DES-EDE3-CBC&#39;,$key,OPENSSL_RAW_DATA|OPENSSL_NO_PADDING,$iv)); 

echo "openssl_encrypt:".$b. &#39;<br>&#39;;
$decrypt = openssl_decrypt(base64_decode($b),&#39;DES-EDE3-CBC&#39;,$key,OPENSSL_RAW_DATA|OPENSSL_NO_PADDING,$iv);
echo &#39;openssl_decrypt:&#39;.$decrypt.&#39;<br>&#39;;

mcrypt_encrypt:O4/3PssvAkrYtIlhbQEr+g==
mcrypt_decrypt:1两3456789
openssl_encrypt:O4/3PssvAkrYtIlhbQEr+g==
openssl_decrypt:1二3456789

$key = '-二i61^';
$iv = '&11r两(*3';

$data = "1二3456789";

if(PHP_VERSION<5.6){
    $start = microtime(true);
    for($i=0;$i<10000;$i++){
        $a= base64_encode(mcrypt_encrypt(MCRYPT_3DES,$key,$data,MCRYPT_MODE_CBC,$iv));
    }
    echo &#39;mcrypt_time:&#39;; echo microtime(true)-$start.&#39;<br>&#39;;
    echo &#39;mcrypt_encrypt&#39;.$a.&#39;<br>&#39;;
    $decrypt = rtrim(mcrypt_decrypt(MCRYPT_3DES,$key,base64_decode($a),MCRYPT_MODE_CBC,$iv),&#39;\0&#39;);
    echo &#39;mcrypt_decrypt&#39;.$decrypt.&#39;<br>&#39;;
}

$start = microtime(true);
for($i=0;$i<10000;$i++){
    $len = strlen($data);
    if($len%8){
        $data = str_pad($data,$len+8-$len%8,"\0");
    }
    $b = base64_encode(openssl_encrypt($data,&#39;DES-EDE3-CBC&#39;,$key,OPENSSL_RAW_DATA|OPENSSL_NO_PADDING,$iv));    
}
echo "openssl_time:"; echo microtime(true)-$start . &#39;<br>&#39;;
echo "openssl_encrypt:".$b. &#39;<br>&#39;;
$decrypt = openssl_decrypt(base64_decode($b),&#39;DES-EDE3-CBC&#39;,$key,OPENSSL_RAW_DATA|OPENSSL_NO_PADDING,$iv);
echo &#39;openssl_decrypt&#39;.$decrypt.&#39;<br>&#39;;

mcrypt_time:1.84二5710二01两63
mcrypt_encryptO4/3PssvAkrYtIlhbQEr+g==
mcrypt_decrypt1两3456789
openssl_time:0.0二3二0194二443848
openssl_encrypt:O4/3PssvAkrYtIlhbQEr+g==
openssl_decrypt1二3456789