This sounds a little misleading to me. Alg name and alg params are 2 different
things. This is like asking user to call
KeyPairGenerator.getInstance("secp256r1").
--Max
> On Nov 8, 2018, at 1:47 AM, Xuelei Fan <[email protected]> wrote:
>
> Maybe, the -groupname/-curvename option can be replaced by extending the
> existing -keyalg option:
> -keyalg secp256r1
>
> Then there is no conflict between the curve/group name and the key alg.
>
> Xuelei
>
> On 11/7/2018 7:48 AM, Weijun Wang wrote:
>> CSR updated. With such a generalized option, I won't recommend -groupname
>> over -keysize now, although I still intend to print some warning for EC.
>> Please take a review.
>> Thanks
>> Max
>>> On Nov 7, 2018, at 10:36 PM, Adam Petcher <[email protected]> wrote:
>>>
>>> One issue that just came to me: How will this work for EdDSA? I think the
>>> CSR could be generalized a bit:
>>>
>>> 1) Make the first item in the "Solution" more general. Instead of limiting
>>> it to "EC" allow any valid algorithm/curve combination.
>>> 2) (Optional) Use -groupname instead of -curvename and change "curve" to
>>> "group" everywhere in the CSR. Then this mechanism can also be used for DSA
>>> (with named groups) and other algorithms that use groups that aren't curves.
>>> Also, see below for a comment about curve ambiguity.
>>> On 11/6/2018 7:59 PM, Weijun Wang wrote:
>>>>> Otherwise, there are may be more curve categories. As it is not the
>>>>> recommended option, I may just remove this and the following one sentence.
>>>>>
>>>> I'll just leave it there as a FYI since it's not part of the spec.
>>>
>>> I agree with Xuelei that this part should be removed. Unless you are
>>> planning on implementing this curve selection logic in keytool, then we
>>> can't control which curve is selected, and it wholly depends on the
>>> behavior of the providers. We can't even guarantee that there is any
>>> relationship between "key size" and the field size of the curve. Also, we
>>> shouldn't use the word "random" here unless we plan to actually randomize
>>> the selection of the curve at runtime (similar to random iteration order
>>> for maps/sets). I suggest something more general and vague like:
>>>
>>> If only -keysize is specified, an arbitrary curve of the specified size is
>>> used
>>>