// TODO: pull all the TypeRefs needed for the NSDictionary
public static SecStatusCode GenerateKeyPair(NSDictionary parameters, out SecKey publicKey, out SecKey privateKey)
{
if (parameters == null)
throw new ArgumentNullException ("parameters");
IntPtr pub, priv;
var res = SecKeyGeneratePair (parameters.Handle, out pub, out priv);
if (res == SecStatusCode.Success){
publicKey = new SecKey (pub, true);
privateKey = new SecKey (priv, true);
} else
publicKey = privateKey = null;
return res;
}
public static SecStatusCode TryQueryAsConcreteType(SecRecord query, out object result)
{
if (query == null){
result = null;
return SecStatusCode.Param;
}
using (var copy = NSMutableDictionary.FromDictionary (query.queryDict)){
copy.SetObject (CFBoolean.TrueObject, SecItem.ReturnRef);
IntPtr ptr;
var ret = SecItem.CopyMatching (copy, out ptr);
if (ret == SecStatusCode.Success){
int cfType = CFType.GetTypeID (ptr);
if (cfType == SecCertificate.GetTypeID ())
result = new SecCertificate (ptr, true);
else if (cfType == SecKey.GetTypeID ())
result = new SecKey (ptr, true);
else if (cfType == SecIdentity.GetTypeID ())
result = new SecIdentity (ptr, true);
else
throw new Exception (String.Format ("Unexpected type: 0x{0:x}", ret));
result = null;
} else
result = null;
return ret;
}
}