static RSA CreateRSAByXmlKey(Stream key_xml) { var rsa = RSA.Create(); rsa.ImportParameters(RSAHelper.DeserializeRSAParameters(key_xml)); return(rsa); }
static RSA CreateRSAByStringKey(string?publicKey_str, string?privateKey_str) { if (string.IsNullOrWhiteSpace(publicKey_str) && string.IsNullOrWhiteSpace(privateKey_str)) { throw new ArgumentException("No keys."); } var rsa = RSA.Create(); if (!string.IsNullOrEmpty(publicKey_str)) { var publicKey_bytes = RSAHelper.DeserializeRSAKey(publicKey_str); rsa.ImportRSAPublicKey(new ReadOnlySpan <byte>(publicKey_bytes), out _); } if (!string.IsNullOrEmpty(privateKey_str)) { var privateKey_bytes = RSAHelper.DeserializeRSAKey(privateKey_str); rsa.ImportRSAPrivateKey(new ReadOnlySpan <byte>(privateKey_bytes), out _); } return(rsa); }