/// <summary>
/// 验证返回答名与值
/// </summary>
/// <param name="signContent"></param>
/// <param name="sign"></param>
/// <param name="charset"></param>
/// <returns></returns>
bool RSACheckContent(string signContent, string sign, string charset, string signType)
{
try
{
var sPublicKeyPEM = File.ReadAllText("D:/alipay/alipay_rsa_public_key.pem");
if ("RSA2".Equals(signType))
{
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
rsa.PersistKeyInCsp = false;
RSACryptoServiceProviderExtension.LoadPublicKeyPEM(rsa, sPublicKeyPEM);
bool bVerifyResultOriginal = rsa.VerifyData(Encoding.GetEncoding(charset).GetBytes(signContent), "SHA256", Convert.FromBase64String(sign));
return(bVerifyResultOriginal);
}
else
{
var rsa = new RSACryptoServiceProvider();
rsa.PersistKeyInCsp = false;
RSACryptoServiceProviderExtension.LoadPublicKeyPEM(rsa, sPublicKeyPEM);
var sha1 = SHA1.Create();
var signBase64 = Convert.FromBase64String(sign);
var bVerifyResultOriginal = rsa.VerifyData(Encoding.GetEncoding(charset).GetBytes(signContent), sha1, signBase64);
return(bVerifyResultOriginal);
}
}
catch
{
return(false);
}
}
public static bool RSACheckSign(IDictionary <string, string> parameters, string sign, string signType = "RSA")
{
string charset = "UTF-8";
try
{
string signContent = GetSignDataContent(parameters, true);
if ("RSA2".Equals(signType))
{
string sPublicKeyPEM = File.ReadAllText(AliPayPublicKey);
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
rsa.PersistKeyInCsp = false;
RSACryptoServiceProviderExtension.LoadPublicKeyPEM(rsa, sPublicKeyPEM);
bool bVerifyResultOriginal = rsa.VerifyData(Encoding.GetEncoding(charset).GetBytes(signContent), "SHA256", Convert.FromBase64String(sign));
return(bVerifyResultOriginal);
}
else
{
string sPublicKeyPEM = File.ReadAllText(AliPayPublicKey);
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
rsa.PersistKeyInCsp = false;
RSACryptoServiceProviderExtension.LoadPublicKeyPEM(rsa, sPublicKeyPEM);
SHA1CryptoServiceProvider sha1 = new SHA1CryptoServiceProvider();
bool bVerifyResultOriginal = rsa.VerifyData(Encoding.GetEncoding(charset).GetBytes(signContent), sha1, Convert.FromBase64String(sign));
return(bVerifyResultOriginal);
}
}
catch (Exception ex)
{
throw;
}
}
public void Test1()
{
try
{
string prikey = "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";
string pubkey = "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqOTxQbDUUkm/CS/eVTHgARhqCfs5mWe/FImEIDyPrsExswLUbc6pIXBulqtYOJ9Nl4fljNgXJbh4CyoUtiM5U9jf5yoPthJq667rPwtRVOIDnmNWKZNHponXjFBQs/juNkUgdX4kcWx695cWGkm+SRXCQQsKcSsqubFwLgXRP9HErfPwColtfmwVZVNXWA4ZtHTrSczbVDplMS8Fg73eprwIxYvpOFxFhAAwC4+Xw753Zd+u0P05YhXrQ/76g1YqNBkiHlOpWtwLVdL+zU9Nk5PxRGgjUqvJpDUxwjEHCEDxD4fxdgS+ml5pm0SsRKyXFm2+ZyPDlu7LQdx28kgAeQIDAQAB";
string abc = "abc123";
RSACryptoServiceProvider rsaCsp = AlipaySignature.LoadCertificateString(prikey, "RSA2");
string r1 = Convert.ToBase64String(AlipaySignature.RSAEncrypt(rsaCsp, Encoding.UTF8.GetBytes(abc)));
string r2 = Encoding.UTF8.GetString(AlipaySignature.RSADecrypt(rsaCsp, Convert.FromBase64String(r1)));
var sPublicKeyPEM = "-----BEGIN PUBLIC KEY-----\r\n";
sPublicKeyPEM += pubkey;
sPublicKeyPEM += "-----END PUBLIC KEY-----\r\n\r\n";
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
rsa.PersistKeyInCsp = false;
RSACryptoServiceProviderExtension.LoadPublicKeyPEM(rsa, sPublicKeyPEM);
string r11 = Convert.ToBase64String(AlipaySignature.RSAEncrypt(rsa, Encoding.UTF8.GetBytes(abc)));
string r22 = Encoding.UTF8.GetString(AlipaySignature.RSADecrypt(rsaCsp, Convert.FromBase64String(r1)));
}
catch (Exception)
{
}
}
public static bool verify2(string content, string signedString, string publicKey, string input_charset)
{
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
rsa.PersistKeyInCsp = false;
RSACryptoServiceProviderExtension.LoadPublicKeyPEM(rsa, publicKey);
bool bVerifyResultOriginal = rsa.VerifyData(Encoding.GetEncoding(input_charset).GetBytes(content), "SHA256", Convert.FromBase64String(signedString));
return(bVerifyResultOriginal);
}
public void Test()
{
string pubkey = "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwVpnkgBwj0046UHTXFcd0DmfORewgQXHBs+tggYex49kc9NIkYrFGi8aPjxA3J9azR6vUcY5Hso4W3FaretNm3b7zt9jFdmvZfEftgNEG4buuQ+/NrG5XvexrOxkIy0DZ9XMNPt8lWf3LIGYZguUnvKJhlBnUbIdTp4/A+EkPG2khV4O31ajm5i7oxTVOR/I9tpcG0i1QXARGYI2WZY9TEtuSHWWAyI0+TYsam1Ii4j+9TUxzqecWX+iOmFCMIr0Hq6xDxLUjXRN5CBKIuv6bHtYQdwZ+CKt9pdj8K7K4+b0cLWX6dFZdrbm0Gb6UEIZZGwC7fUInXt4PvNxFOGySwIDAQAB";
var sPublicKeyPEM = "-----BEGIN PUBLIC KEY-----\r\n";
sPublicKeyPEM += pubkey;
sPublicKeyPEM += "-----END PUBLIC KEY-----\r\n\r\n";
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
rsa.PersistKeyInCsp = false;
RSACryptoServiceProviderExtension.LoadPublicKeyPEM(rsa, sPublicKeyPEM);
string r11 = Convert.ToBase64String(AlipaySignature.RSAEncrypt(rsa, Encoding.UTF8.GetBytes("中123abc")));
}
public static bool RSACheckContent(string signContent, string sign, string publicKeyPem, string charset, string signType, bool keyFromFile)
{
try
{
if (string.IsNullOrEmpty(charset))
{
charset = "utf-8";
}
string sPublicKeyPEM;
if (keyFromFile)
{
sPublicKeyPEM = File.ReadAllText(publicKeyPem);
}
else
{
sPublicKeyPEM = "-----BEGIN PUBLIC KEY-----\r\n";
sPublicKeyPEM += publicKeyPem;
sPublicKeyPEM += "-----END PUBLIC KEY-----\r\n\r\n";
}
if ("RSA2".Equals(signType))
{
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
rsa.PersistKeyInCsp = false;
RSACryptoServiceProviderExtension.LoadPublicKeyPEM(rsa, sPublicKeyPEM);
bool bVerifyResultOriginal = rsa.VerifyData(Encoding.GetEncoding(charset).GetBytes(signContent), "SHA256", Convert.FromBase64String(sign));
return(bVerifyResultOriginal);
}
else
{
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
rsa.PersistKeyInCsp = false;
RSACryptoServiceProviderExtension.LoadPublicKeyPEM(rsa, sPublicKeyPEM);
SHA1CryptoServiceProvider sha1 = new SHA1CryptoServiceProvider();
bool bVerifyResultOriginal = rsa.VerifyData(Encoding.GetEncoding(charset).GetBytes(signContent), sha1, Convert.FromBase64String(sign));
return(bVerifyResultOriginal);
}
}
catch
{
return(false);
}
}