Add BLS Test vectors

[kealan]

No description provided.

[jaromil]

Hi! where / in what format would you like to have the BLS vectors? for which operations? I can provide some for the pairing sort of operations sketched here https://github.com/dyne/Zenroom/blob/master/test/bls_pairing.lua

[kealan]

Hi Have a look in the existing tests to see how it is done. The tests are in testVectors. The problem we have now with the BLS code is that it is not standard. It might not be worth your time until we have done this task. Have a look at https://github.com/apache/incubator-milagro-crypto-rust to see the differences.