PHP PKCS1 非对称加密解密 key为一行的处理方式-优快云博客

博客围绕 PHP PKCS1 进行非对称加解密操作，采用一行 key 的方式。在信息技术领域，这涉及后端开发中 PHP 语言的应用，以及加解密技术的运用。

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<?php
$private_key = '这是一行私钥';
$search = [
                    "-----BEGIN RSA PRIVATE KEY-----",
                    "-----END RSA PRIVATE KEY-----",
                    "\n",
                    "\r",
                    "\r\n"
            ];

$private_key=str_replace($search,"",$private_key);
$private_key=$search[0] . PHP_EOL . wordwrap($private_key, 64, "\n", true) . PHP_EOL . $search[1];
//echo $private_key;die;

$public_key = '这是一行公钥';
$search = [
                    "-----BEGIN PUBLIC KEY-----",
                    "-----END PUBLIC KEY-----",
                    "\n",
                    "\r",
                    "\r\n"
            ];
$public_key=str_replace($search,"",$public_key);
$public_key=$search[0] . PHP_EOL . wordwrap($public_key, 64, "\n", true) . PHP_EOL . $search[1];

$pi_key =  openssl_pkey_get_private($private_key);//这个函数可用来判断私钥是否是可用的，可用返回资源id Resource id
$pu_key = openssl_pkey_get_public($public_key);//这个函数可用来判断公钥是否是可用的



$data = "123456";//原始数据
$encrypted = "";
$decrypted = "";


openssl_public_encrypt($data,$encrypted,$pu_key,OPENSSL_PKCS1_PADDING);//公钥加密
$encrypted = base64_encode($encrypted);
echo $encrypted,"\n";

echo "private key decrypt:\n";
openssl_private_decrypt(base64_decode($encrypted),$decrypted,$pi_key,OPENSSL_PKCS1_PADDING);//私钥解密
echo $decrypted."\n";