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| 1 | +using System; |
| 2 | +using System.Collections.Generic; |
| 3 | +using System.Linq; |
| 4 | +using System.Threading.Tasks; |
| 5 | +using System.Security.Cryptography; |
| 6 | +using System.Xml; |
| 7 | +using Newtonsoft.Json; |
| 8 | +using NETCore.Encrypt.Shared; |
| 9 | +using NETCore.Encrypt.Internal; |
| 10 | + |
| 11 | +namespace NETCore.Encrypt.Extensions.Internal |
| 12 | +{ |
| 13 | + /// <summary> |
| 14 | + /// RSA参数格式化扩展 |
| 15 | + /// </summary> |
| 16 | + internal static class RSAKeyExtensions |
| 17 | + { |
| 18 | + #region JSON |
| 19 | + /// <summary> |
| 20 | + /// RSA导入key |
| 21 | + /// </summary> |
| 22 | + /// <param name="rsa">RSA实例<see cref="RSA"/></param> |
| 23 | + /// <param name="jsonString">RSA的Key序列化JSON字符串</param> |
| 24 | + internal static void FromJsonString(this RSA rsa, string jsonString) |
| 25 | + { |
| 26 | + Check.Argument.IsNotEmpty(jsonString, nameof(jsonString)); |
| 27 | + |
| 28 | + RSAParameters parameters = new RSAParameters(); |
| 29 | + try |
| 30 | + { |
| 31 | + var paramsJson = JsonConvert.DeserializeObject<RSAParametersJson>(jsonString); |
| 32 | + |
| 33 | + parameters.Modulus = paramsJson.Modulus != null ? Convert.FromBase64String(paramsJson.Modulus) : null; |
| 34 | + parameters.Exponent = paramsJson.Exponent != null ? Convert.FromBase64String(paramsJson.Exponent) : null; |
| 35 | + parameters.P = paramsJson.P != null ? Convert.FromBase64String(paramsJson.P) : null; |
| 36 | + parameters.Q = paramsJson.Q != null ? Convert.FromBase64String(paramsJson.Q) : null; |
| 37 | + parameters.DP = paramsJson.DP != null ? Convert.FromBase64String(paramsJson.DP) : null; |
| 38 | + parameters.DQ = paramsJson.DQ != null ? Convert.FromBase64String(paramsJson.DQ) : null; |
| 39 | + parameters.InverseQ = paramsJson.InverseQ != null ? Convert.FromBase64String(paramsJson.InverseQ) : null; |
| 40 | + parameters.D = paramsJson.D != null ? Convert.FromBase64String(paramsJson.D) : null; |
| 41 | + } |
| 42 | + catch |
| 43 | + { |
| 44 | + throw new Exception("Invalid Json RSA key."); |
| 45 | + } |
| 46 | + rsa.ImportParameters(parameters); |
| 47 | + } |
| 48 | + |
| 49 | + /// <summary> |
| 50 | + /// 获取RSA Key序列化Json |
| 51 | + /// </summary> |
| 52 | + /// <param name="rsa">RSA实例<see cref="RSA"/></param> |
| 53 | + /// <param name="includePrivateParameters">是否包含私钥</param> |
| 54 | + /// <returns></returns> |
| 55 | + internal static string ToJsonString(this RSA rsa, bool includePrivateParameters) |
| 56 | + { |
| 57 | + RSAParameters parameters = rsa.ExportParameters(includePrivateParameters); |
| 58 | + |
| 59 | + var parasJson = new RSAParametersJson() |
| 60 | + { |
| 61 | + Modulus = parameters.Modulus != null ? Convert.ToBase64String(parameters.Modulus) : null, |
| 62 | + Exponent = parameters.Exponent != null ? Convert.ToBase64String(parameters.Exponent) : null, |
| 63 | + P = parameters.P != null ? Convert.ToBase64String(parameters.P) : null, |
| 64 | + Q = parameters.Q != null ? Convert.ToBase64String(parameters.Q) : null, |
| 65 | + DP = parameters.DP != null ? Convert.ToBase64String(parameters.DP) : null, |
| 66 | + DQ = parameters.DQ != null ? Convert.ToBase64String(parameters.DQ) : null, |
| 67 | + InverseQ = parameters.InverseQ != null ? Convert.ToBase64String(parameters.InverseQ) : null, |
| 68 | + D = parameters.D != null ? Convert.ToBase64String(parameters.D) : null |
| 69 | + }; |
| 70 | + |
| 71 | + return JsonConvert.SerializeObject(parasJson); |
| 72 | + } |
| 73 | + #endregion |
| 74 | + |
| 75 | + #region XML |
| 76 | + |
| 77 | + /// <summary> |
| 78 | + /// RSA导入key |
| 79 | + /// </summary> |
| 80 | + /// <param name="rsa">RSA实例<see cref="RSA"/></param> |
| 81 | + /// <param name="jsonString">RSA的Key序列化XML字符串</param> |
| 82 | + public static void FromLvccXmlString(this RSA rsa, string xmlString) |
| 83 | + { |
| 84 | + RSAParameters parameters = new RSAParameters(); |
| 85 | + |
| 86 | + XmlDocument xmlDoc = new XmlDocument(); |
| 87 | + xmlDoc.LoadXml(xmlString); |
| 88 | + |
| 89 | + if (xmlDoc.DocumentElement.Name.Equals("RSAKeyValue")) |
| 90 | + { |
| 91 | + foreach (XmlNode node in xmlDoc.DocumentElement.ChildNodes) |
| 92 | + { |
| 93 | + switch (node.Name) |
| 94 | + { |
| 95 | + case "Modulus": parameters.Modulus = (string.IsNullOrEmpty(node.InnerText) ? null : Convert.FromBase64String(node.InnerText)); break; |
| 96 | + case "Exponent": parameters.Exponent = (string.IsNullOrEmpty(node.InnerText) ? null : Convert.FromBase64String(node.InnerText)); break; |
| 97 | + case "P": parameters.P = (string.IsNullOrEmpty(node.InnerText) ? null : Convert.FromBase64String(node.InnerText)); break; |
| 98 | + case "Q": parameters.Q = (string.IsNullOrEmpty(node.InnerText) ? null : Convert.FromBase64String(node.InnerText)); break; |
| 99 | + case "DP": parameters.DP = (string.IsNullOrEmpty(node.InnerText) ? null : Convert.FromBase64String(node.InnerText)); break; |
| 100 | + case "DQ": parameters.DQ = (string.IsNullOrEmpty(node.InnerText) ? null : Convert.FromBase64String(node.InnerText)); break; |
| 101 | + case "InverseQ": parameters.InverseQ = (string.IsNullOrEmpty(node.InnerText) ? null : Convert.FromBase64String(node.InnerText)); break; |
| 102 | + case "D": parameters.D = (string.IsNullOrEmpty(node.InnerText) ? null : Convert.FromBase64String(node.InnerText)); break; |
| 103 | + } |
| 104 | + } |
| 105 | + } |
| 106 | + else |
| 107 | + { |
| 108 | + throw new Exception("Invalid XML RSA key."); |
| 109 | + } |
| 110 | + |
| 111 | + rsa.ImportParameters(parameters); |
| 112 | + } |
| 113 | + |
| 114 | + /// <summary> |
| 115 | + /// 获取RSA Key序列化XML |
| 116 | + /// </summary> |
| 117 | + /// <param name="rsa">RSA实例<see cref="RSA"/></param> |
| 118 | + /// <param name="includePrivateParameters">是否包含私钥</param> |
| 119 | + /// <returns></returns> |
| 120 | + public static string ToLvccXmlString(this RSA rsa, bool includePrivateParameters) |
| 121 | + { |
| 122 | + RSAParameters parameters = rsa.ExportParameters(includePrivateParameters); |
| 123 | + |
| 124 | + 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>", |
| 125 | + parameters.Modulus != null ? Convert.ToBase64String(parameters.Modulus) : null, |
| 126 | + parameters.Exponent != null ? Convert.ToBase64String(parameters.Exponent) : null, |
| 127 | + parameters.P != null ? Convert.ToBase64String(parameters.P) : null, |
| 128 | + parameters.Q != null ? Convert.ToBase64String(parameters.Q) : null, |
| 129 | + parameters.DP != null ? Convert.ToBase64String(parameters.DP) : null, |
| 130 | + parameters.DQ != null ? Convert.ToBase64String(parameters.DQ) : null, |
| 131 | + parameters.InverseQ != null ? Convert.ToBase64String(parameters.InverseQ) : null, |
| 132 | + parameters.D != null ? Convert.ToBase64String(parameters.D) : null); |
| 133 | + } |
| 134 | + |
| 135 | + #endregion |
| 136 | + } |
| 137 | +} |
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