private RSAParameters GetRsaParametersFromXml(EnvCryptKeyRsa xmlData)
{
var rsaParameters = new RSAParameters();
// Exponent & Modulus not null check performed in pre-conidition
rsaParameters.Exponent = _strConverter.Decode(xmlData.Exponent);
rsaParameters.Modulus = _strConverter.Decode(xmlData.Modulus);
rsaParameters.D = xmlData.D == null ? null : _strConverter.Decode(xmlData.D);
rsaParameters.DP = xmlData.Dp == null ? null : _strConverter.Decode(xmlData.Dp);
rsaParameters.DQ = xmlData.Dq == null ? null : _strConverter.Decode(xmlData.Dq);
rsaParameters.InverseQ = xmlData.InverseQ == null ? null : _strConverter.Decode(xmlData.InverseQ);
rsaParameters.P = xmlData.P == null ? null : _strConverter.Decode(xmlData.P);
rsaParameters.Q = xmlData.Q == null ? null : _strConverter.Decode(xmlData.Q);
return(rsaParameters);
}
public void Map(RsaKey fromPoco, XmlPoco.EnvCryptKey toExternalRepresentationPoco)
{
Contract.Ensures(toExternalRepresentationPoco.Rsa != null);
// There will be only 1 key per XML POCO
Contract.Ensures(toExternalRepresentationPoco.Rsa.Length == 1);
Contract.Ensures(!string.IsNullOrWhiteSpace(toExternalRepresentationPoco.Rsa[0].Exponent));
Contract.Ensures(!string.IsNullOrWhiteSpace(toExternalRepresentationPoco.Rsa[0].Modulus));
//
if (fromPoco.Key.Exponent == null)
{
throw new EnvCryptException("RSA Exponent must at least be in the key");
}
if (fromPoco.Key.Modulus == null)
{
throw new EnvCryptException("RSA Modulus must at least be in the key");
}
toExternalRepresentationPoco.Name = fromPoco.Name;
toExternalRepresentationPoco.Encryption = AlgorithmType.ToString();
toExternalRepresentationPoco.Type = fromPoco.GetKeyType().ToString();
var xmlRsaRoot = new EnvCryptKeyRsa();
xmlRsaRoot.OaepPadding = fromPoco.UseOaepPadding;
xmlRsaRoot.D = fromPoco.Key.D == null ? null :
_strConverter.Encode(fromPoco.Key.D);
xmlRsaRoot.Dp = fromPoco.Key.DP == null ? null :
_strConverter.Encode(fromPoco.Key.DP);
xmlRsaRoot.Dq = fromPoco.Key.DQ == null ? null :
_strConverter.Encode(fromPoco.Key.DQ);
xmlRsaRoot.Exponent = _strConverter.Encode(fromPoco.Key.Exponent);
xmlRsaRoot.InverseQ = fromPoco.Key.InverseQ == null ? null :
_strConverter.Encode(fromPoco.Key.InverseQ);
xmlRsaRoot.Modulus = _strConverter.Encode(fromPoco.Key.Modulus);
xmlRsaRoot.P = fromPoco.Key.P == null ? null :
_strConverter.Encode(fromPoco.Key.P);
xmlRsaRoot.Q = fromPoco.Key.Q == null ? null :
_strConverter.Encode(fromPoco.Key.Q);
toExternalRepresentationPoco.Rsa = new[]
{
xmlRsaRoot
};
}