public RsaPkcs8Util(Encoding dataEncoding, string publicKey, string privateKey = null, int keySize = 2048)
{
if (string.IsNullOrEmpty(privateKey) && string.IsNullOrEmpty(publicKey))
{
throw new Exception("Public and private keys must not be empty at the same time");
}
if (!string.IsNullOrEmpty(privateKey))
{
PrivateRsa = RSA.Create();
PrivateRsa.KeySize = keySize;
var priRsap = CreateRsapFromPrivateKey(privateKey);
PrivateRsa.ImportParameters(priRsap);
if (string.IsNullOrEmpty(publicKey))
{
PublicRsa = RSA.Create();
PublicRsa.KeySize = keySize;
var pubRsap = new RSAParameters
{
Modulus = priRsap.Modulus,
Exponent = priRsap.Exponent
};
PublicRsa.ImportParameters(pubRsap);
}
}
if (!string.IsNullOrEmpty(publicKey))
{
PublicRsa = RSA.Create();
PublicRsa.KeySize = keySize;
var pubRsap = CreateRsapFromPublicKey(publicKey);
PublicRsa.ImportParameters(pubRsap);
}
DataEncoding = dataEncoding ?? Encoding.UTF8;
}
