/// <summary>
/// Verify signature with public key
/// </summary>
/// <param name="publicKey">Public key</param>
/// <param name="data">Original data</param>
/// <param name="signature">Signed data (Signature)</param>
/// <returns>True(Verify OK)/False(Verify NG)</returns>
public async Task <bool> VerifySignatureAsync(string publicKey, string data, string signature)
{
using (var rsaUtil = new RsaPkcs8Util(this.encoding, publicKey, string.Empty, this.keySize))
{
var isOk = rsaUtil.VerifyData(data, signature, this.hashAlgorithm, this.signaturePadding);
return(await Task.FromResult(isOk));
}
}
/// <summary>
/// JavaRsa公钥签名验证RSAWithSHA256
/// </summary>
/// <param name="text">源数据</param>
/// <param name="sign">签名</param>
/// <param name="publicKey">java pem公钥</param>
/// <param name="signFormat">base64/hex</param>
public static bool JavaRsaSignVerify(string text, string sign, string publicKey, RsaSignFormat signFormat = RsaSignFormat.Base64)
{
var rsaProvider = new RsaPkcs8Util(Encoding.UTF8, publicKey);
if (signFormat == RsaSignFormat.Hex) // => byte => base64
{
sign = Convert.ToBase64String(FromHexString(sign));
}
return(rsaProvider.VerifyData(text, sign, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1));
}
//验签
public static bool verifySign(string data, string sign)
{
try
{
RsaPkcs8Util m_pPublicRsaPkcs8Util = new RsaPkcs8Util(Encoding.GetEncoding(m_cConfigConstants.SYSTEM_ENCODING), m_cConfigConstants.PUBLIC_KEY);
return(m_pPublicRsaPkcs8Util.VerifyData(digest(data), sign, HashAlgorithmName.SHA1, RSASignaturePadding.Pkcs1));
}
catch (Exception ex)
{
Log.Instance.Debug(ex);
return(false);
}
}
/// <summary>
/// RSA 加密,解密，签名和验签
/// </summary>
public static void RSASignFunc(string privateKey, string publicKey, EnumUserType enumUserType)
{
Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
switch (enumUserType)
{
case EnumUserType.xml:
RsaXmlUtil rsaXmlUtil = new RsaXmlUtil(Encoding.UTF8, publicKey, privateKey);
var encrypt = rsaXmlUtil.Encrypt("123456789", RSAEncryptionPadding.Pkcs1);
var encryptInput = rsaXmlUtil.Decrypt(encrypt, RSAEncryptionPadding.Pkcs1);
Console.Write("XML加解密是否成功:");
Console.WriteLine(encryptInput is "123456789");
var sign = rsaXmlUtil.SignData("987654321", HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
var verifyData = rsaXmlUtil.VerifyData("987654321", sign, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
Console.Write("XML签名是否成功");
Console.WriteLine(verifyData);
break;
case EnumUserType.pkcs1:
RsaPkcs1Util rsaPkcs1Util = new RsaPkcs1Util(Encoding.UTF8, publicKey, privateKey);
var encrypt2 = rsaPkcs1Util.Encrypt("123456789", RSAEncryptionPadding.Pkcs1);
var encryptInput2 = rsaPkcs1Util.Decrypt(encrypt2, RSAEncryptionPadding.Pkcs1);
Console.Write("PKCS1加解密是否成功:");
Console.WriteLine(encryptInput2 is "123456789");
var sign2 = rsaPkcs1Util.SignData("987654321", HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
var verifyData2 = rsaPkcs1Util.VerifyData("987654321", sign2, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
Console.Write("PKCS1签名是否成功");
Console.WriteLine(verifyData2);
break;
default:
RsaPkcs8Util rsaPkcs8Util = new RsaPkcs8Util(Encoding.UTF8, publicKey, privateKey);
var encrypt3 = rsaPkcs8Util.Encrypt("123456789", RSAEncryptionPadding.Pkcs1);
var encryptInput3 = rsaPkcs8Util.Decrypt(encrypt3, RSAEncryptionPadding.Pkcs1);
Console.Write("PKCS8加解密是否成功:");
Console.WriteLine(encryptInput3 is "123456789");
var sign3 = rsaPkcs8Util.SignData("987654321", HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
var verifyData3 = rsaPkcs8Util.VerifyData("987654321", sign3, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
Console.Write("PKCS8签名是否成功");
Console.WriteLine(verifyData3);
break;
}
}
public static void getSign()
{
//var extReserved = HttpUtility.UrlEncode("Here to fill in the Merchant reservation information", Encoding.UTF8);
//var sysReserved = HttpUtility.UrlEncode("on2k0wSrVHUWcx-Bn66rGwlEp0pw", Encoding.UTF8);
var extReserved = "Here to fill in the Merchant reservation information";
var sysReserved = "on2k0wSrVHUWcx-Bn66rGwlEp0pw";
string data = "accessMode=0&amount=0.01&bankId=¤cy=&extReserved=" + extReserved + "¬ifyTime=1591930286051&orderId=WXd095362b5bb24bb4fa08239118c402&orderTime=2020-06-12 10:51:15&payType=17&productName=测试商品&requestId=dd957ade-c4d2-4c03-a2e1-abd800b2dad2&result=0&spending=0.00&sysReserved=" + sysReserved + "&timeOffset=&tradeTime=2020-06-12 10:51:25&userName=890086000300106484";
var rightSign = "c+0xqmQDApR3P6qn1wBhUP7dZ0mU+Nghmg9ddtI4V8Vd0QOvFGDItR2rEERbf00EjGONjhhCoEtSja6ezTbPjnKdDNfjgwbvTZ0ljneR1BrT3UjJvyilfRLxDPmu1I2ag5AYCfI5Bnb0TGgfFjDsLzNg+Mwpa8sJmddaF2xUynNA6o92IHeczr4WJwMtFFXKCtu2esmgNlyPfN5eT/8mZzKGiuR3QgZ7FHkcmHn0cFrv12pr7W1/LwnQW4gBJhm+mDXmWCGQpKGx5hYykX7VIwYoqtG1q4idTqHfUwh4zMYgLwnPb2xE1yDw0Pgj7fRbG45/3aKVFeALN3w5MjJrUQ==";
var publicKey = "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwqTS1Jw8CS4w2Mb9Dp1TmQjnYvYpqj6ExZ7R/xzFwwEJXXUdak9WgNd13nWK7IBfNjHNTYVVaeY4BRn9uak5L3UuCaSMdpQZ4QMPMqfNoHr5oh5qOc3v23x9UEUg0ZybehI7serCa2tVro34hRKgHNSQTucWUHA61L6NAKieUP7lmUMwnbG6Q/KLvfAXX919CgFWRLDj8UjbyyId5cpM7nHI3RPbmI7+0MphrepG/h2MHKM3HKX03zEFhdS/ZslocJINipwLyO8kbt4DWfzdOjFI7TUxaJcZGkKAzZ4/+zmiHa/snt5i10QcZwri8wMQxlNquRu1cmYiXxVVxGqugwIDAQAB";
//rsa256
var b = new RsaPkcs8Util(Encoding.UTF8, publicKey);
var ok = b.VerifyData(data, rightSign, System.Security.Cryptography.HashAlgorithmName.SHA256, System.Security.Cryptography.RSASignaturePadding.Pkcs1);
Console.WriteLine(ok.ToString());
}
public bool CheckSign(string data, string sign)
{
return(rsaUtil.VerifyData(data, sign, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1));
}