c#.net 調用BouncyCastle產生PEM格式的私密金鑰和公開金鑰

標籤：

            RsaKeyPairGenerator r = new RsaKeyPairGenerator();            r.Init(new KeyGenerationParameters(new SecureRandom(), 1024));            AsymmetricCipherKeyPair keys = r.GenerateKeyPair();            AsymmetricKeyParameter private_key = keys.Private;            AsymmetricKeyParameter public_key = keys.Public;            TextWriter textWriter = new StringWriter();            PemWriter pemWriter = new PemWriter(textWriter);            pemWriter.WriteObject(keys.Private);            pemWriter.Writer.Flush();            string privateKey = textWriter.ToString();            txtPri.Text = privateKey;            TextWriter textpubWriter = new StringWriter();            PemWriter pempubWriter = new PemWriter(textpubWriter);            pempubWriter.WriteObject(keys.Public);            pempubWriter.Writer.Flush();            string pubKey = textpubWriter.ToString();            txtPub.Text = pubKey;

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引用：

using Org.BouncyCastle.Crypto;using Org.BouncyCastle.Crypto.Generators;using Org.BouncyCastle.OpenSsl;using Org.BouncyCastle.Security;

--XML格式轉PEM格式，引用：http://www.jianshu.com/p/faefcc58c79b

 public static void XMLConvertToPEM()//XML格式密鑰轉PEM    {        var rsa2 = new RSACryptoServiceProvider();        using (var sr = new StreamReader("e:\\PrivateKey.xml"))        {            rsa2.FromXmlString(sr.ReadToEnd());        }        var p = rsa2.ExportParameters(true);        var key = new RsaPrivateCrtKeyParameters(            new BigInteger(1, p.Modulus), new BigInteger(1, p.Exponent), new BigInteger(1, p.D),            new BigInteger(1, p.P), new BigInteger(1, p.Q), new BigInteger(1, p.DP), new BigInteger(1, p.DQ),            new BigInteger(1, p.InverseQ));        using (var sw = new StreamWriter("e:\\PrivateKey.pem"))        {            var pemWriter = new Org.BouncyCastle.OpenSsl.PemWriter(sw);            pemWriter.WriteObject(key);        }    }

網上樣本都是從檔案讀取出XML格式私密金鑰，存入PEM檔案中,PEM中就是轉換好的格式。但直接存入string字串中的代碼還沒研究出來。    讀取XML私密金鑰的代碼可以換成產生XML私密金鑰。

c#.net 調用BouncyCastle產生PEM格式的私密金鑰和公開金鑰