opened
robdefeo
username_0
**Is your feature request related to a problem? Please describe.**
To return the curve type in #381 the type of curve is required.

**Describe the solution you'd like**
- [ ] add to `PublicKey` interface in crypto/public.go a `Kind() string` method
- [ ]  `Kind() string` method to PublicKey in `secpk2561` package
- [ ]  `Kind() string` method to PublicKey in `nacl` package
- [ ] use consts in `mailchain/crypto/keys.go`

**Describe alternatives you've considered**
A clear and concise description of any alternative solutions or features you've considered. *Remove if not applicable*

**Additional context**
Add any other context or screenshots about the feature request here. *Remove if not applicable*
Add Kind() to public key interface
issue