这篇文章主要为大家展示了“C#RSA对接JAVA中RSA方式的示例分析”,内容简而易懂,条理清晰,希望能够帮助大家解决疑惑,下面让小编带领大家一起研究并学习一下“C#RSA对接JAVA中RSA方式的示例分析”这篇文章吧。
C#中通过FromXmlString属性加载的是XML形式,而JAVA中用到的是解析后的PEM格式的字符串,总之读取证书中信息无非是转换方式问题
/// <summary> /// c# 使用 java 的公钥进行rsa加密 utf8编码 通过解析公钥加密数据 /// </summary> /// <param name="publickey"></param> /// <returns></returns> public static string RSAEncrypts(string content) { RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(); byte[] cipherbytes; X509Certificate2 x509Certificate2 = new X509Certificate2("D:\\Config\\dsptest.cer"); //创建并返回当前算法对象的xml字符串表示形式 string publicKeyString = x509Certificate2.PublicKey.Key.ToXmlString(false); rsa.FromXmlString(publicKeyString); //rsa.FromXmlString(RSAPublicKeyJava2DotNet(publicKeyString)); cipherbytes = rsa.Encrypt(Encoding.UTF8.GetBytes(content), false); return Convert.ToBase64String(cipherbytes); } /// <summary> /// 私钥解密 通过解析私钥来解析数据 X509KeyStorageFlags.Exportable这个属性很关键是获取私钥信息的 /// </summary> /// <param name="privatekey"></param> /// <param name="content"></param> /// <returns></returns> public static string RSADecrypt( string content) { byte[] rgb = Convert.FromBase64String(content); RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(); byte[] cipherbytes; X509Certificate2 x509Certificate2 = new X509Certificate2("D:\\Config\\test.pfx", "cfca1234", X509KeyStorageFlags.Exportable); //创建并返回当前算法对象的xml字符串表示形式 //rsa.FromXmlString(RSAPrivateKeyJava2DotNet(Const.privatekey)); rsa.FromXmlString(x509Certificate2.PrivateKey.ToXmlString(true)); cipherbytes = rsa.Decrypt(Convert.FromBase64String(content), false); return Encoding.UTF8.GetString(cipherbytes); }
/***************以下是java提供的公私钥转成.net公私钥XML的方式*************************************/ /// <summary> /// RSA公钥格式转换,java->.net /// </summary> /// <param name="publicKey">java生成的公钥</param> /// <returns></returns> public static string RSAPublicKeyJava2DotNet(string publicKey) { RsaKeyParameters publicKeyParam = (RsaKeyParameters)PublicKeyFactory.CreateKey(Convert.FromBase64String(publicKey)); return string.Format("<RSAKeyValue><Modulus>{0}</Modulus><Exponent>{1}</Exponent></RSAKeyValue>", Convert.ToBase64String(publicKeyParam.Modulus.ToByteArrayUnsigned()), Convert.ToBase64String(publicKeyParam.Exponent.ToByteArrayUnsigned())); } /// <summary> /// RSA私钥格式转换,java->.net /// </summary> /// <param name="privateKey">java生成的RSA私钥</param> /// <returns></returns> public static string RSAPrivateKeyJava2DotNet(string privateKey) { RsaPrivateCrtKeyParameters privateKeyParam = (RsaPrivateCrtKeyParameters)PrivateKeyFactory.CreateKey(Convert.FromBase64String(privateKey)); 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(privateKeyParam.Modulus.ToByteArrayUnsigned()), Convert.ToBase64String(privateKeyParam.PublicExponent.ToByteArrayUnsigned()), Convert.ToBase64String(privateKeyParam.P.ToByteArrayUnsigned()), Convert.ToBase64String(privateKeyParam.Q.ToByteArrayUnsigned()), Convert.ToBase64String(privateKeyParam.DP.ToByteArrayUnsigned()), Convert.ToBase64String(privateKeyParam.DQ.ToByteArrayUnsigned()), Convert.ToBase64String(privateKeyParam.QInv.ToByteArrayUnsigned()), Convert.ToBase64String(privateKeyParam.Exponent.ToByteArrayUnsigned())); }
以上是“C#RSA对接JAVA中RSA方式的示例分析”这篇文章的所有内容,感谢各位的阅读!相信大家都有了一定的了解,希望分享的内容对大家有所帮助,如果还想学习更多知识,欢迎关注亿速云行业资讯频道!
免责声明:本站发布的内容(图片、视频和文字)以原创、转载和分享为主,文章观点不代表本网站立场,如果涉及侵权请联系站长邮箱:is@yisu.com进行举报,并提供相关证据,一经查实,将立刻删除涉嫌侵权内容。