Example #1
0
        /// <summary>
        /// Create an RSA parameter based on the xml format public key
        /// </summary>
        /// <param name="publicKey"></param>
        /// <returns></returns>
        protected sealed override RSAParameters CreateRsapFromPublicKey(string publicKey)
        {
            publicKey = RsaPemFormatHelper.PublicKeyFormat(publicKey);

            PemReader pr  = new PemReader(new StringReader(publicKey));
            var       obj = pr.ReadObject();

            if (!(obj is RsaKeyParameters rsaKey))
            {
                throw new Exception("Public key format is incorrect");
            }
            var rsap = new RSAParameters();

            rsap.Modulus  = rsaKey.Modulus.ToByteArrayUnsigned();
            rsap.Exponent = rsaKey.Exponent.ToByteArrayUnsigned();
            return(rsap);
        }
Example #2
0
        /// <summary>
        /// Public Key Convert pem->xml
        /// </summary>
        /// <param name="publicKey"></param>
        /// <returns></returns>
        public static string PublicKeyPemToXml(string publicKey)
        {
            publicKey = RsaPemFormatHelper.PublicKeyFormat(publicKey);

            PemReader pr  = new PemReader(new StringReader(publicKey));
            var       obj = pr.ReadObject();

            if (!(obj is RsaKeyParameters rsaKey))
            {
                throw new Exception("Public key format is incorrect");
            }

            XElement publicElement = new XElement("RSAKeyValue");
            //Modulus
            XElement pubmodulus = new XElement("Modulus", Convert.ToBase64String(rsaKey.Modulus.ToByteArrayUnsigned()));
            //Exponent
            XElement pubexponent = new XElement("Exponent", Convert.ToBase64String(rsaKey.Exponent.ToByteArrayUnsigned()));

            publicElement.Add(pubmodulus);
            publicElement.Add(pubexponent);
            return(publicElement.ToString());
        }