PHP下SSL加密解密、验证、签名方法
May 16, 2016 pm 08:02 PM
php
ssl
encrypt and decode
sign
verify
这篇文章主要介绍了PHP下SSL加密解密、验证、签名方法,方法很简单,欢迎大家阅读
超级简单,依赖于OpenSSL扩展,这里就不多废话了,直接奉上代码
签名:
function sign($data) { //读取私钥文件 $priKey = file_get_contents('key/rsa_private_key.pem'); //转换为openssl密钥,必须是没有经过pkcs8转换的私钥 $res = openssl_get_privatekey($priKey); //调用openssl内置签名方法,生成签名$sign openssl_sign($data, $sign, $res); //释放资源 openssl_free_key($res); return $sign; }
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验证:
function verify($data, $sign) { //读取支付宝公钥文件 $pubKey = file_get_contents('key/alipay_public_key.pem'); //转换为openssl格式密钥 $res = openssl_get_publickey($pubKey); //调用openssl内置方法验签,返回bool值 $result = (bool)openssl_verify($data, $sign, $res); //释放资源 openssl_free_key($res); return $result;
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解密
function decrypt($content) { //读取商户私钥 $priKey = file_get_contents('key/rsa_private_key.pem'); //转换为openssl密钥,必须是没有经过pkcs8转换的私钥 $res = openssl_get_privatekey($priKey); //声明明文字符串变量 $result = ''; //循环按照128位解密 for($i = 0; $i < strlen($content)/128; $i++ ) { $data = substr($content, $i * 128, 128); //拆分开长度为128的字符串片段通过私钥进行解密,返回$decrypt解析后的明文 openssl_private_decrypt($data, $decrypt, $res); //明文片段拼接 $result .= $decrypt; } //释放资源 openssl_free_key($res); //返回明文 return $result; }
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