In PHP language, the C# ASCII code equivalent is expressed as

Question

I want to implement this code for bank payment in PHP. Can anyone help me? Thanks.

ASCIIEncoding ByteConverter = new ASCIIEncoding();

string dataString = "Data to Sign";
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byte[] originalData = ByteConverter.GetBytes(dataString);

byte[] signedData;

RSACryptoServiceProvider RSAalg = new RSACryptoServiceProvider();

String PrivateKey= File.ReadAllText(Application.StartupPath + "PrivateKey.xml");

RSAalg.FromXmlString(PrivateKey);

signedData = Key.SignData(originalData,SHA1.Create());

String base64String = Convert.ToBase64String(signedData, 0, signedData.Length);
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I've tried this but didn't get any results. Due to a problem with the request, I got a symbol error.

$baseString = "Data to Sign";
$signedData = null;
$privateKey = file_get_contents(config_path("PrivateKey.pem"));
$privateKeyResource = openssl_pkey_get_private($privateKey);

$signature = null;

if (openssl_sign($baseString, $signedData, $privateKeyResource, OPENSSL_ALGO_SHA1))
            $signature = base64_encode($signedData);

Answer 1

我猜测数据字符串/基本字符串的编码错误。

在C#中，默认的字符串编码是UTF-16，在php中，字符串的编码自动为ASCII，但是如果字符串中出现不支持的字符，则编码会自动更改为UTF-8 - 所以这取决于$baseString包含的字符串，您可以使用mb_detect_encoding方法检查编码是否仍然是预期的ASCII编码。