十六进制转字符串
function hexToStr($hex)
{
$string="";
for($i=0;$i<strlen($hex)-1;$i+=2)
$string.=chr(hexdec($hex[$i].$hex[$i+1]));
return $string;
}
字符串转十六进制
function strToHex($string)
{
$hex="";
$tmp="";
for($i=0;$i<strlen($string);$i++)
{
$tmp = dechex(ord($string[$i]));
$hex.= strlen($tmp) == 1 ? "0".$tmp : $tmp;
}
$hex=strtoupper($hex);
return $hex;
}
Aes加密
function aes_encode($data, $key, $iv) {
//字符串转十六进制 strToHex
return strToHex(openssl_encrypt($data, 'aes-128-cbc', $key, true, $iv));
}
Aes解密
function aes_decode($data) {
//十六进制转字符串 hexToStr
return openssl_decrypt(hexToStr($data), 'aes-128-cbc', $key, true, $iv);
}