Re: EGO subsystem inconsistency

[Christian Grothoff]

Good point, I've removed the 'const' from the ego_get_anonymous()
function. That solution is also not 'perfect', but should avoid the
weirdness you reported.

-Christian

On 7/17/20 5:20 PM, TheJackiMonster wrote:
> Hi,
> 
> I'm currently working on a library to make it easier for others to
> create messengers using CADET and being compatible with each other
> (proving direct chats, server-client-groupchats and decentralized
> group-chats).
> 
> Now I'm integrating EGO keys for authentication via signatures of
> messages and verification but the API in C seems a little inconsistent.
> 
> For example:
> 
> GNUNET_IDENTITY_ego_get_anonymous() returns a const struct pointer
> and
> GNUNET_IDENTITY_ego_get_private_key(ego) expects a const struct pointer
> for ego
> 
> but
> 
> GNUNET_IDENTITY_ego_get_public_key(ego, &pub_key) expects a struct
> pointer for ego (so it is not possible to retrieve the public key from
> the anonymous default key formally).
> 
> I still found a solution
> using GNUNET_CRYPTO_ecdsa_key_get_public(priv_key, &pub_key) but it's
> definitely weird that some methods which I wouldn't expect to use any
> write accesses require non-const pointer.
> 
> Maybe this can be patched soon. I would assume, it shouldn't require
> any major changes.
> 
> Happy hacking
> Jacki
>

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