根据以下两个.net签名方法提供验签方法:public static string GetSignature(string privateKeyStr, string method, string uri, long timestamp, string nonce, string body) { string rawStr = method + "\n" + uri + "\n" + timestamp + "\n" + nonce + "\n" + body + "\n"; RSA privateKey = StringToPrivateKey(privateKeyStr); if (privateKey != null) { byte[] rawBytes = Encoding.UTF8.GetBytes(rawStr); byte[] signatureBytes = privateKey.SignData(rawBytes, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1); return Convert.ToBase64String(signatureBytes); } return ""; } public static RSA StringToPrivateKey(string privateKeyStr) { try { byte[] privateBytes = Convert.FromBase64String(privateKeyStr); RSA rsa = RSA.Create(); rsa.ImportPkcs8PrivateKey(privateBytes, out _); return rsa; } catch (Exception ex) { Console.WriteLine(ex.ToString()); return null; } }
时间: 2024-02-10 17:06:51 浏览: 29
好的,根据您提供的两个.NET签名方法,以下是一个验签方法的示例:
```
public static bool VerifySignature(string publicKeyStr, string method, string uri, long timestamp, string nonce, string body, string signature)
{
string rawStr = method + "\n" +
uri + "\n" +
timestamp + "\n" +
nonce + "\n" +
body + "\n";
RSA publicKey = StringToPublicKey(publicKeyStr);
if (publicKey != null)
{
byte[] rawBytes = Encoding.UTF8.GetBytes(rawStr);
byte[] signatureBytes = Convert.FromBase64String(signature);
return publicKey.VerifyData(rawBytes, signatureBytes, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
}
return false;
}
public static RSA StringToPublicKey(string publicKeyStr)
{
try
{
byte[] publicBytes = Convert.FromBase64String(publicKeyStr);
RSA rsa = RSA.Create();
rsa.ImportSubjectPublicKeyInfo(publicBytes, out _);
return rsa;
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
return null;
}
}
```
请注意,您需要提供一个公钥字符串作为输入,该公钥字符串可以通过调用 `ExportSubjectPublicKeyInfo` 方法来获得。此外,此示例使用 `VerifyData` 方法来验证签名。