88 lines
5.2 KiB
C#
88 lines
5.2 KiB
C#
using Org.BouncyCastle.Asn1.Pkcs;
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using Org.BouncyCastle.Asn1.X509;
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using Org.BouncyCastle.Crypto.Parameters;
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using Org.BouncyCastle.Math;
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using Org.BouncyCastle.Pkcs;
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using Org.BouncyCastle.Security;
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using Org.BouncyCastle.X509;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Xml;
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namespace MyCode.Project.Infrastructure.PayModels
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{
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public class RSAConverter
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{
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/// <summary>
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/// RSA私钥格式转换，java->.net
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/// </summary>
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/// <param name="privateKey">java生成的RSA私钥</param>
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/// <returns></returns>
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public static string RSAPrivateKeyJava2DotNet(string privateKey)
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{
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RsaPrivateCrtKeyParameters privateKeyParam = (RsaPrivateCrtKeyParameters)PrivateKeyFactory.CreateKey(Convert.FromBase64String(privateKey));
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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>",
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Convert.ToBase64String(privateKeyParam.Modulus.ToByteArrayUnsigned()),
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Convert.ToBase64String(privateKeyParam.PublicExponent.ToByteArrayUnsigned()),
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Convert.ToBase64String(privateKeyParam.P.ToByteArrayUnsigned()),
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Convert.ToBase64String(privateKeyParam.Q.ToByteArrayUnsigned()),
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Convert.ToBase64String(privateKeyParam.DP.ToByteArrayUnsigned()),
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Convert.ToBase64String(privateKeyParam.DQ.ToByteArrayUnsigned()),
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Convert.ToBase64String(privateKeyParam.QInv.ToByteArrayUnsigned()),
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Convert.ToBase64String(privateKeyParam.Exponent.ToByteArrayUnsigned()));
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}
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/// <summary>
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/// RSA私钥格式转换，.net->java
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/// </summary>
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/// <param name="privateKey">.net生成的私钥</param>
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/// <returns></returns>
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public static string RSAPrivateKeyDotNet2Java(string privateKey)
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{
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XmlDocument doc = new XmlDocument();
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doc.LoadXml(privateKey);
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BigInteger m = new BigInteger(1, Convert.FromBase64String(doc.DocumentElement.GetElementsByTagName("Modulus")[0].InnerText));
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BigInteger exp = new BigInteger(1, Convert.FromBase64String(doc.DocumentElement.GetElementsByTagName("Exponent")[0].InnerText));
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BigInteger d = new BigInteger(1, Convert.FromBase64String(doc.DocumentElement.GetElementsByTagName("D")[0].InnerText));
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BigInteger p = new BigInteger(1, Convert.FromBase64String(doc.DocumentElement.GetElementsByTagName("P")[0].InnerText));
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BigInteger q = new BigInteger(1, Convert.FromBase64String(doc.DocumentElement.GetElementsByTagName("Q")[0].InnerText));
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BigInteger dp = new BigInteger(1, Convert.FromBase64String(doc.DocumentElement.GetElementsByTagName("DP")[0].InnerText));
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BigInteger dq = new BigInteger(1, Convert.FromBase64String(doc.DocumentElement.GetElementsByTagName("DQ")[0].InnerText));
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BigInteger qinv = new BigInteger(1, Convert.FromBase64String(doc.DocumentElement.GetElementsByTagName("InverseQ")[0].InnerText));
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RsaPrivateCrtKeyParameters privateKeyParam = new RsaPrivateCrtKeyParameters(m, exp, d, p, q, dp, dq, qinv);
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PrivateKeyInfo privateKeyInfo = PrivateKeyInfoFactory.CreatePrivateKeyInfo(privateKeyParam);
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byte[] serializedPrivateBytes = privateKeyInfo.ToAsn1Object().GetEncoded();
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return Convert.ToBase64String(serializedPrivateBytes);
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}
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/// <summary>
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/// RSA公钥格式转换，java->.net
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/// </summary>
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/// <param name="publicKey">java生成的公钥</param>
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/// <returns></returns>
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public static string RSAPublicKeyJava2DotNet(string publicKey)
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{
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RsaKeyParameters publicKeyParam = (RsaKeyParameters)PublicKeyFactory.CreateKey(Convert.FromBase64String(publicKey));
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return string.Format("<RSAKeyValue><Modulus>{0}</Modulus><Exponent>{1}</Exponent></RSAKeyValue>",
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Convert.ToBase64String(publicKeyParam.Modulus.ToByteArrayUnsigned()),
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Convert.ToBase64String(publicKeyParam.Exponent.ToByteArrayUnsigned()));
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}
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/// <summary>
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/// RSA公钥格式转换，.net->java
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/// </summary>
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/// <param name="publicKey">.net生成的公钥</param>
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/// <returns></returns>
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public static string RSAPublicKeyDotNet2Java(string publicKey)
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{
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XmlDocument doc = new XmlDocument(); doc.LoadXml(publicKey);
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BigInteger m = new BigInteger(1, Convert.FromBase64String(doc.DocumentElement.GetElementsByTagName("Modulus")[0].InnerText));
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BigInteger p = new BigInteger(1, Convert.FromBase64String(doc.DocumentElement.GetElementsByTagName("Exponent")[0].InnerText));
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RsaKeyParameters pub = new RsaKeyParameters(false, m, p);
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SubjectPublicKeyInfo publicKeyInfo = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(pub);
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byte[] serializedPublicBytes = publicKeyInfo.ToAsn1Object().GetDerEncoded();
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return Convert.ToBase64String(serializedPublicBytes);
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}
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}
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}
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