public static string sign(string content, string privateKey, string input_charset)
{
System.Text.Encoding encoding = System.Text.Encoding.GetEncoding(input_charset);
byte[] bytes = encoding.GetBytes(content);
System.Security.Cryptography.RSACryptoServiceProvider rSACryptoServiceProvider = RSAFromPkcs8.DecodePemPrivateKey(privateKey);
System.Security.Cryptography.SHA1 halg = new System.Security.Cryptography.SHA1CryptoServiceProvider();
byte[] inArray = rSACryptoServiceProvider.SignData(bytes, halg);
return(System.Convert.ToBase64String(inArray));
}
private static byte[] decrypt(byte[] data, string privateKey, string input_charset)
{
System.Security.Cryptography.RSACryptoServiceProvider rSACryptoServiceProvider = RSAFromPkcs8.DecodePemPrivateKey(privateKey);
new System.Security.Cryptography.SHA1CryptoServiceProvider();
return(rSACryptoServiceProvider.Decrypt(data, false));
}