private static string GetNPP10Sign(JDPayDictionary dictionary, string algorithm, string salt)
{
if (dictionary == null || dictionary.Count == 0)
{
return(string.Empty);
}
var sb = new StringBuilder();
foreach (var iter in dictionary)
{
if (!string.IsNullOrEmpty(iter.Value) && iter.Key != "sign_type" && iter.Key != "sign_data" && iter.Key != "encrypt_type" && iter.Key != "encrypt_data" && iter.Key != "salt")
{
sb.Append(iter.Key).Append("=").Append(iter.Value).Append("&");
}
}
var sign = string.Empty;
var data = sb.Remove(sb.Length - 1, 1) + salt;
if ("SHA" == algorithm)
{
sign = SHA1.Compute(data).ToUpper();
}
else if ("SHA-256" == algorithm)
{
sign = SHA256.Compute(data).ToUpper();
}
return(sign);
}
public static string RSASign(string sourceSignString, ICipherParameters privateKey)
{
var sha256SourceSignString = SHA256.Compute(sourceSignString);
var newsks = RSA_ECB_PKCS1Padding.Encrypt(Encoding.UTF8.GetBytes(sha256SourceSignString), privateKey);
return(Convert.ToBase64String(newsks, Base64FormattingOptions.InsertLineBreaks));
}
public static bool RSACheckContent(string content, string sign, ICipherParameters publicKey)
{
var sha256SourceSignString = SHA256.Compute(content);
var decryptArr = RSA_ECB_PKCS1Padding.Decrypt(Convert.FromBase64String(sign), publicKey);
var decrypStr = Encoding.UTF8.GetString(decryptArr);
return(sha256SourceSignString.Equals(decrypStr));
}
private static string GetNPP10Sign(string content, string algorithm, string salt)
{
var sign = string.Empty;
var data = content + salt;
if ("SHA" == algorithm)
{
sign = SHA1.Compute(data);
}
else if ("SHA-256" == algorithm)
{
sign = SHA256.Compute(data);
}
return(sign);
}