public static bool VerifyData(string publicKey, string data, string signData)
{
var md5 = RSAHelper.GenerateMD5Byte(data);
using (var rsa = RSA.Create())
{
rsa.ImportRSAPublicKey(Convert.FromBase64String(publicKey), out int bytesRead);
return(rsa.VerifyData(md5, Convert.FromBase64String(signData), HashAlgorithmName.SHA1, RSASignaturePadding.Pkcs1));
}
}
public static string SignData(string privateKey, string data)
{
var md5 = RSAHelper.GenerateMD5Byte(data);
using (var rsa = RSA.Create())
{
rsa.ImportPkcs8PrivateKey(Convert.FromBase64String(privateKey), out int bytesRead);
var rs = rsa.SignData(md5, HashAlgorithmName.SHA1, RSASignaturePadding.Pkcs1);
return(Convert.ToBase64String(rs));
}
}
/// <summary>
/// 签名校验
/// </summary>
/// <param name="publicKey"></param>
/// <param name="signData"></param>
/// <returns></returns>
public static bool VerifyData <T>(string publicKey, T data, string signData) where T : new()
{
var str = Newtonsoft.Json.JsonConvert.SerializeObject(data);
var md5 = RSAHelper.GenerateMD5Byte(str);
using (var rsa = RSA.Create())
{
rsa.ImportRSAPublicKey(Convert.FromBase64String(publicKey), out int bytesRead);
return(rsa.VerifyData(md5, Convert.FromBase64String(signData), HashAlgorithmName.SHA1, RSASignaturePadding.Pkcs1));
}
}
/**
* 使用场景
* 1.计算T的hash
* 2.使用private对数据加密
* 3.使用公钥对private加密的数据解密，验证
*/
/// <summary>
/// 对一段数据进行签名
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="data"></param>
/// <returns></returns>
public static string SignData <T>(string privateKey, T data) where T : new()
{
var str = Newtonsoft.Json.JsonConvert.SerializeObject(data);
var md5 = RSAHelper.GenerateMD5Byte(str);
using (var rsa = RSA.Create())
{
rsa.ImportPkcs8PrivateKey(Convert.FromBase64String(privateKey), out int bytesRead);
var rs = rsa.SignData(md5, HashAlgorithmName.SHA1, RSASignaturePadding.Pkcs1);
return(Convert.ToBase64String(rs));
}
}