得到公匙私匙 public static void RSAGenerateKey(ref string privateKey, ref string publicKey) { RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(); privateKey = rsa.ToXmlString(true); publicKey 加密后的内容</returns> static public string RSAEncrypt(string publickey, string content) { RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(); byte[] cipherbytes; rsa.FromXmlString(publickey rsa = new RSACryptoServiceProvider(); byte[] cipherbytes; rsa.FromXmlString(privatekey
using(RSACryptoServiceProvider rsa = new RSACryptoServiceProvider()) { string pubkey = rsa.ToXmlString using(RSACryptoServiceProvider rsa = new RSACryptoServiceProvider()) { rsa.FromXmlString(“私钥” //相关注册码获取代码…… //以下代码是发布程序使用公钥对注册码进行验证 using(RSACryptoServiceProvider rsa = new RSACryptoServiceProvider
pubkey = (RSACryptoServiceProvider)pubcrt.PublicKey.Key; X509Certificate2 prvcrt = new prvkey = (RSACryptoServiceProvider)prvcrt.PrivateKey; //Create a new instance of RSACryptoServiceProvider //using (RSACryptoServiceProvider RSA = new RSACryptoServiceProvider()) //{ using (RSACryptoServiceProvider RSA = new RSACryptoServiceProvider()) { using (RSACryptoServiceProvider RSA = new RSACryptoServiceProvider()) {
rsa = new RSACryptoServiceProvider(keySize)) { rsaKey.PrivateKey = rsa.ToXmlString(true) rsa = new RSACryptoServiceProvider()) { rsa.FromXmlString(xmlPublicKey); byte[] rsa = new RSACryptoServiceProvider()) { rsa.FromXmlString(xmlPrivateKey); byte[] rsa = new RSACryptoServiceProvider()) { rsa.FromXmlString(xmlPrivateKey) rsa = new RSACryptoServiceProvider()) { rsa.FromXmlString(xmlPublicKey);
加密模式 加密模式只有一种实现,即RSACryptoServiceProvider,采用的是RSA算法。 在创建RSACryptoServiceProvider类型的实例时,会自动创建一个公/私密钥对。 因此,可以通过下面的语句来获得公/私密钥对,或者仅获取公钥: RSACryptoServiceProvider provider = new RSACryptoServiceProvider(); string ExportParameters()方法参数的意义与ToXmlString()方法相同: RSACryptoServiceProvider provider = new RSACryptoServiceProvider 下面继续以RSACryptoServiceProvider为例来说明这一过程。
1.密钥对的生成:
a、根据RSACryptoServiceProvider直接生成
///
密钥 关于RSA加密有很多文章,但几乎都只介绍了RSACryptoServiceProvider类的使用方法,如果只是走走看看,是没问题的,但真的想使用时,就会发现,你没有密钥字符串。。。 provider = new RSACryptoServiceProvider(); provider.FromXmlString(xmlPrivateKey); byte[] rgb provider = new RSACryptoServiceProvider(); provider.FromXmlString(xmlPublicKey); byte[] bytes / 8 - 11),而加密后得到密文的字节数,正好是密钥的长度值除以 8(即:RSACryptoServiceProvider.KeySize / 8)。 provider = new RSACryptoServiceProvider(); provider.FromXmlString(xmlPublicKey); Byte[] bytes
sp = new RSACryptoServiceProvider(size); string privateKey = sp.ToXmlString(true);//private sp = new RSACryptoServiceProvider(size); string privateKey = System.Convert.ToBase64String rsa = new RSACryptoServiceProvider(size); string privateKey = RSA_PEM.ToPEM(rsa, false, rsa = new RSACryptoServiceProvider(size); string privateKey = RSA_PEM.ToPEM(rsa, false, rsa = new RSACryptoServiceProvider(); switch (KeyType) { case
RSA = new RSACryptoServiceProvider(); string publicKey = RSA.ToXmlString(false); string rsa = new RSACryptoServiceProvider(); rsa.FromXmlString(encryptKey); UnicodeEncoding string decryptKey) { byte[] dataToDecrypt = Convert.FromBase64String(content); RSACryptoServiceProvider RSA = new RSACryptoServiceProvider(); RSA.FromXmlString(decryptKey); byte[] resultBytes rsaProvider = new RSACryptoServiceProvider(); publicKey = rsaProvider.ToXmlString(false);
可以使用 .net core 版本的 RSACryptoServiceProvider 类来实现。 ReadOnlySpan, Int32) 方法 (System.Security.Cryptography) | Microsoft Docs // 私钥转 xml 形式 stringvar provider = new RSACryptoServiceProvider ReadOnlySpan, Int32) 方法 (System.Security.Cryptography) | Microsoft Docs // 公钥转 xml 形式 stringvar provider = new RSACryptoServiceProvider
crypt = new RSACryptoServiceProvider(); 10 11 string publicKey = crypt.ToXmlString string keypair = sr.ReadToEnd(); 38 sr.Close(); 39 40 //用私钥参数初始化RSACryptoServiceProvider 41 RSACryptoServiceProvider crypt = new RSACryptoServiceProvider(); 42 43 crypt.FromXmlString publicKey = srPublickey.ReadToEnd(); 12 srPublickey.Close(); 13 14 //用公钥初化始RSACryptoServiceProvider 15 RSACryptoServiceProvider crypt = new RSACryptoServiceProvider(); 16 crypt.FromXmlString
(二)使用RSA非对称加密 生成密钥对:在WinForm中,可以使用RSACryptoServiceProvider类来生成RSA密钥对。 rsa = new RSACryptoServiceProvider(2048)) { publicKey = rsa.ToXmlString(false); public static string RSAEncrypt(string plainText, string publicKey) { using (RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(2048)) { rsa.FromXmlString(publicKey); byte[] rsa = new RSACryptoServiceProvider(2048)) { rsa.FromXmlString(privateKey); byte[
provider = new RSACryptoServiceProvider(); provider.FromXmlString(xmlPrivateKey); byte[] rgb provider = new RSACryptoServiceProvider(); provider.FromXmlString(xmlPublicKey); byte[] bytes 8(即:RSACryptoServiceProvider.KeySize / 8)。 provider = new RSACryptoServiceProvider(); provider.FromXmlString(xmlPublicKey); Byte[] bytes provider = new RSACryptoServiceProvider(); provider.FromXmlString(xmlPublicKey); Byte[] bytes
returns></returns> public static string EncryptWithPublicKey(string content, string publicKeyXml) { RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(); byte[] cipherbytes; rsa.FromXmlString(publicKeyXml); byte[] SignWithPrivateKey(string sign, string privateKeyXml, string hashAlgorithm = "SHA256") { RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(); rsa.FromXmlString(privateKeyXml); byte[] dataBytes = Encoding.UTF8
= null) moc.Dispose(); } 程序读取了BIOS编号,并保存在bios字符串中 现在根据BIOS编号生成密文,C#提供了RSACryptoServiceProvider来帮助加密 BOtwgVU1Og3qHKn8vygoj40J6U85Z/PTJu3hN1m75Zr195ju7g9v4Hk=</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>"; RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(); byte[] cipherbytes; rsa.FromXmlString(publickey); S44iql0Fen1kzKioEL3svANui63O3o5xdDeExVM6zOf1wUUh/oldovPweChyoAdMtUzgvCbJk1sYDJf++Nr0FeNW1RB1XG30=</D></RSAKeyValue>"; RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(); byte[] cipherbytes; rsa.FromXmlString(privatekey);
KeyContainerName = "RSAHELPER" // 默认的RSA保存密钥的容器名称 }; var handle = new RSACryptoServiceProvider ExportKeyPair(string publicKeyXmlString, string privateKeyXmlString) { var handle = new RSACryptoServiceProvider { try { byte[] encryptedData; using (RSACryptoServiceProvider RSA = new RSACryptoServiceProvider()) { RSA.ImportParameters(PublicKey try { byte[] decryptedData; using (var rsa = new RSACryptoServiceProvider
public string RSADecrypt(string xmlPrivateKey, string m_strDecryptString) { RSACryptoServiceProvider provider = new RSACryptoServiceProvider(); provider.FromXmlString(xmlPrivateKey); public string RSAEncrypt(string xmlPublicKey, string m_strEncryptString) { RSACryptoServiceProvider provider = new RSACryptoServiceProvider(); provider.FromXmlString(xmlPublicKey);
在C#中使用RSA加密可以使用系统封装好的RSACryptoServiceProvider类来实现加密,分为以下几步: 1.获取加密公钥的路径 string fileName = @"E:\BlogDemo fileName); else objx5092 = new X509Certificate2(fileName, password); RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(); rsa.FromXmlString(objx5092.PublicKey.Key.ToXmlString
使用证书实现非对称加密/解密的代码如下 //非对称加密密钥 static byte[] RSAEncrypt(byte[] enkey, X509Certificate2 Certificate) { RSACryptoServiceProvider RSA = Certificate.PublicKey.Key as RSACryptoServiceProvider; return RSA.Encrypt(enkey, false); } //非对成解密密钥 static byte[] RSADecrypt(byte[] context, X509Certificate2 Certificate) { RSACryptoServiceProvider RSA = Certificate.PrivateKey as RSACryptoServiceProvider; return RSA.Decrypt(context, false); } 使用证书的公钥加密
string priKey) 18 { 19 try 20 { 21 using (var rsa = new RSACryptoServiceProvider try 44 { 45 //导入公钥 46 using (var rsa = new RSACryptoServiceProvider