public static MongoKeyParameters Create(RSAParameters source)
{
var mongoParameters = new MongoKeyParameters();
mongoParameters.D = source.D;
mongoParameters.DP = source.DP;
mongoParameters.DQ = source.DQ;
mongoParameters.Exponent = source.Exponent;
mongoParameters.InverseQ = source.InverseQ;
mongoParameters.Modulus = source.Modulus;
mongoParameters.P = source.P;
mongoParameters.Q = source.Q;
return(mongoParameters);
}
private async Task <(SecurityKeyInfo[], SigningCredentials)> GetOrCreateKeyAsync()
{
if (cachedKey != null && cachedKeyInfo != null)
{
return(cachedKeyInfo, cachedKey);
}
var key = await Collection.Find(x => x.Id == "Default").FirstOrDefaultAsync();
RsaSecurityKey securityKey;
if (key == null)
{
securityKey = new RsaSecurityKey(RSA.Create(2048))
{
KeyId = CryptoRandom.CreateUniqueId(16)
};
key = new MongoKey {
Id = "Default", Key = securityKey.KeyId
};
if (securityKey.Rsa != null)
{
var parameters = securityKey.Rsa.ExportParameters(includePrivateParameters: true);
key.Parameters = MongoKeyParameters.Create(parameters);
}
else
{
key.Parameters = MongoKeyParameters.Create(securityKey.Parameters);
}
try
{
await Collection.InsertOneAsync(key);
return(CreateCredentialsPair(securityKey));
}
catch (MongoWriteException ex)
{
if (ex.WriteError?.Category == ServerErrorCategory.DuplicateKey)
{
key = await Collection.Find(x => x.Id == "Default").FirstOrDefaultAsync();
}
else
{
throw ex;
}
}
}
if (key == null)
{
throw new InvalidOperationException("Cannot read key.");
}
securityKey = new RsaSecurityKey(key.Parameters.ToParameters())
{
KeyId = key.Key
};
return(CreateCredentialsPair(securityKey));
}