Forked from Jargon64/RSACryptoServiceProviderExtensions.cs
Last active
March 6, 2018 02:16
-
-
Save Wind010/de437a63c87f7761d2cfbad5737a7ac4 to your computer and use it in GitHub Desktop.
RSACryptoServiceProvider Extension to add FromXmlString and ToXmlString methods for ASP.NET Core
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
using System; | |
using System.Security.Cryptography; | |
using System.Xml; | |
namespace RSACryptoServiceProviderExtensions | |
{ | |
public static class RSACryptoServiceProviderExtensions | |
{ | |
public static void FromXmlString(this RSACryptoServiceProvider rsa, string xmlString) | |
{ | |
RSAParameters parameters = new RSAParameters(); | |
XmlDocument xmlDoc = new XmlDocument(); | |
xmlDoc.LoadXml(xmlString); | |
if (xmlDoc.DocumentElement.Name.Equals("RSAKeyValue")) | |
{ | |
foreach (XmlNode node in xmlDoc.DocumentElement.ChildNodes) | |
{ | |
switch (node.Name) | |
{ | |
case "Modulus": parameters.Modulus = Convert.FromBase64String(node.InnerText); break; | |
case "Exponent": parameters.Exponent = Convert.FromBase64String(node.InnerText); break; | |
case "P": parameters.P = Convert.FromBase64String(node.InnerText); break; | |
case "Q": parameters.Q = Convert.FromBase64String(node.InnerText); break; | |
case "DP": parameters.DP = Convert.FromBase64String(node.InnerText); break; | |
case "DQ": parameters.DQ = Convert.FromBase64String(node.InnerText); break; | |
case "InverseQ": parameters.InverseQ = Convert.FromBase64String(node.InnerText); break; | |
case "D": parameters.D = Convert.FromBase64String(node.InnerText); break; | |
} | |
} | |
} else | |
{ | |
throw new Exception("Invalid XML RSA key."); | |
} | |
rsa.ImportParameters(parameters); | |
} | |
public static string ToXmlString(this RSACryptoServiceProvider rsa, bool includePrivateParameters = false) | |
{ | |
RSAParameters parameters = rsa.ExportParameters(includePrivateParameters); | |
if (includePrivateParameters) | |
{ | |
return string.Format("<RSAKeyValue><Modulus>{0}</Modulus><Exponent>{1}</Exponent><P>{2}</P><Q>{3}</Q><DP>{4}</DP><DQ>{5}</DQ><InverseQ>{6}</InverseQ><D>{7}</D></RSAKeyValue>", | |
Convert.ToBase64String(parameters.Modulus), | |
Convert.ToBase64String(parameters.Exponent), | |
Convert.ToBase64String(parameters.P), | |
Convert.ToBase64String(parameters.Q), | |
Convert.ToBase64String(parameters.DP), | |
Convert.ToBase64String(parameters.DQ), | |
Convert.ToBase64String(parameters.InverseQ), | |
Convert.ToBase64String(parameters.D)); | |
} | |
return string.Format("<RSAKeyValue><Modulus>{0}</Modulus><Exponent>{1}</Exponent></RSAKeyValue>", | |
Convert.ToBase64String(parameters.Modulus), | |
Convert.ToBase64String(parameters.Exponent)); | |
} | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment