雨，落在校园里！我撑着伞，慢慢地在雨中漫步。那嫣红的风凰叶，在雨中，轻轻地飘落下来，似乎有一段离别哀愁的情感啊！
在进行数据请求的时候，为了防止数据在传输的过程中被截取或篡改，可以使用签名认证，而RSA2就可以胜任这个工作。原理就是数据发送端根据发送的数据使用RSA2加密，然后将加密后的字符串发送给接受端，接受端解密验证即可！
注意，RSA2进行数据签名时应在数据发送方完成，并使用RSA私钥进行签名，在接受数据端使用公钥进行验签即可！
PHP RSA2获取签名的方法
php示例：
//私钥 $privateKey = '-----BEGIN PRIVATE KEY----- MIIEvAIBADANBgkqhkiG9w0BAQEFAASCBKYwggSiAgEAAoIBAQCa8MILC7Pa2YFu cEXVWWZCvDDfHI6lmZGOxEu4akBxG4fsDmEOJL1OyXGhV4XzJkcgWzE8QQVi+UTf 0XGsF3pP9SNKwSgrkQlbL1hhvJxYDXeABMLDSOgkcYpLZ3+wBVwJ7C9V7i86LDIs MwpqXBXhMR8E/h1jJK8c8yawIsZRVfHnKAlOfR7NrSZyF2dmxUOg7WocY/UWP/z1 4JU62UwTiYwkP64JcW2Tivx+cglhGbgPfhYtrZsj/XUHTz0VRydV7zdTOIQ0c9Sq LxSqJskdAaSr3xmcda/hWg0rKeLHNqdsQTwK77OZteWJptzmoAwHQ33vi4YI2Peh JrddPJKJAgMBAAECggEADwsPG/lv5fC2Q129OgCrEBGrgQ4Jv4RQgJcIbwhJ53Fv 2fhvbesdQjgGw053H+t4fmi8OAhsGHbxO/Xe3oGNC5RWb9yfJNO5H9RR9XNVjqsI DjLoIgPDHj6z2axb1mA+1mvLEMHGbhR6bpYqDbeRHEMjqt1tRwH5yorFF9bYgG78 FYGrGgBQRA1lY9Pg8s7HxzvNeNjMjkblarMWKZulmLQWVzP/PFLhhxOt7M6UrvDp iem+/+XOd0gjLXUsMx0A1umga9DGqPdW+vQ4Ot3OiYAzV7jVpXoUvs6sElAxFbhH AV3JSATKZCrdUcZBF7QqiFGyHRyxpwk5v8rEBzBn8QKBgQDL2ewDea7/4fp3xH1x Fl3l0R7hQcrrCkNAnAQyjutaLp350InL4CznmDfY+3q8j29b0S2o8yfz2xOCL1KR 6TBGtjuLwM67PvzZNlZeipQUETZ/h2kE/pF2BOeUK2spH9Bq02qcxBwhQiRNFmu+ 174EkTGHl7CxXIJ38iaifr5D9QKBgQDCk7OmabB1Z/MoStHQYym/LI9NAHxq7IHW ZdR3FPG38ffhiIW1Fnlvabb0qUmOVj+GAwpDuQ+3k1HkIoYd8b5ytjadJp9GdGYL 5VWqnQROzXvaWmfxrq3xfLeOkHN5Z/Af9zt/3OQhiBQ2DkOm7l1VIX34KVA9KwkE +TVv6tPLxQKBgF4RJ6nK4whNHSlbUI94xMeiIl/L3nlrePE9jWpPLSemT1vR8WRV BCOyyEKmeVK91aNG+Yz29769n1j5wV53fsGCoiOxSzR4snEBdAWYaRCBiOZ8c+fM GQ+e38Yt6vtFJQXGnXHNxTVLsjioWfvszlCJN5PcWbred44l/dIKLn5pAoGALsFX NfHHmS61W0U/TZfGfE200YgAXaEfQemOOF8sBkt6iRNJLc6Mt5zrfbcAGdfXw9gP K17Yy//2eZ9iIufoH6BxVynktAVcUBd3klvQoS73R+zZdVXILnMNmJBVbyLurH+4 KG1n1DbixGqBDyfP/ZjisDMdONWSgUNw98exxRECgYBiClGPWa4OQAl7FGD7vfp8 0Jz0JKf9DKimXO6i8HFnapO6Fko0nVn2MjaPeF93smV3Kosx+pZuqOzK5aEE7rLC 7Qpc9qoiVMD2SJJvZAuL1kKOHyBbZs8fpaHJcPN3aIIjkDphgaeYokJQ5qixB39u PNOOMZ+rikAEshVb201T5A== -----END PRIVATE KEY-----'; //下面是要加密的数据 $data = array( 'uid' => '10', 'name' => 'mochu', 'host' => 'feiniaomy.com', ); $privateKey = openssl_pkey_get_private($privateKey); $sign_str = openssl_sign(json_encode($data), $sign, $privateKey, OPENSSL_ALGO_SHA256) ? base64_encode($sign) : null; //输入签名 echo $sign_str;
输出签名：
WzCuHwFZo5qu9AyiReoq2eoLbbHcBDjrcJt1i0wG3LycWSU5TXThj9mnzYi5FSLUrPDjgcALn0mPpx5eU9LwCDnVyGYC6WGhhAGndeZtdmBbzReTf2UdqT9Eqro8ccfuYU3M07Z4MDezxl7x4l96w8PuMBLgs9NYaXf9p1ak4gQU/8Gl+coLXB9f3JjGuaswnSnzMS69I8Tpxlk3i/g9Ai2UvKQf7reYdaP8mv3sijXCIe0NazqVJSxXwvBWA9EsCFnohHzvaudBdYbliVb4wWe5aJFioNvBQVqxXbgb2woQiK4uLLjNA/wM4KuTNtiHBBY9WkSJKumwPG5g0kUNyQ==
PHP RSA2验证签名的方法
php示例代码
//上面加密后的数据
$sign_str='WzCuHwFZo5qu9AyiReoq2eoLbbHcBDjrcJt1i0wG3LycWSU5TXThj9mnzYi5FSLUrPDjgcALn0mPpx5eU9LwCDnVyGYC6WGhhAGndeZtdmBbzReTf2UdqT9Eqro8ccfuYU3M07Z4MDezxl7x4l96w8PuMBLgs9NYaXf9p1ak4gQU/8Gl+coLXB9f3JjGuaswnSnzMS69I8Tpxlk3i/g9Ai2UvKQf7reYdaP8mv3sijXCIe0NazqVJSxXwvBWA9EsCFnohHzvaudBdYbliVb4wWe5aJFioNvBQVqxXbgb2woQiK4uLLjNA/wM4KuTNtiHBBY9WkSJKumwPG5g0kUNyQ==';
//公钥
$publicKey = '-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmvDCCwuz2tmBbnBF1Vlm
Qrww3xyOpZmRjsRLuGpAcRuH7A5hDiS9TslxoVeF8yZHIFsxPEEFYvlE39FxrBd6
T/UjSsEoK5EJWy9YYbycWA13gATCw0joJHGKS2d/sAVcCewvVe4vOiwyLDMKalwV
4TEfBP4dYySvHPMmsCLGUVXx5ygJTn0eza0mchdnZsVDoO1qHGP1Fj/89eCVOtlM
E4mMJD+uCXFtk4r8fnIJYRm4D34WLa2bI/11B089FUcnVe83UziENHPUqi8UqibJ
HQGkq98ZnHWv4VoNKynixzanbEE8Cu+zmbXliabc5qAMB0N974uGCNj3oSa3XTyS
iQIDAQAB
-----END PUBLIC KEY-----';
$data = array(
'uid' => '10',
'name' => 'mochu',
'host' => 'feiniaomy.com',
);
$publicKey = openssl_pkey_get_public($publicKey);
$rs = openssl_verify(json_encode($data), base64_decode($sign_str), $publicKey, OPENSSL_ALGO_SHA256);
if ($rs) {
echo '验签成功';
} else {
echo '验签失败';
} 本文PHP RSA2签名与验签的方法到此结束。梦想需要反思，但更需要坚持、小编再次感谢大家对我们的支持！