>>> from pygost.gost3410 import sign
>>> signature = sign(curve, prv, dgst, mode=2012)
>>> from pygost.gost3410 import verify
>>> verify(curve, pub, dgst, signature, mode=2012)
True
>>> from pygost.gost3410 import sign
>>> signature = sign(curve, prv, dgst, mode=2012)
>>> from pygost.gost3410 import verify
>>> verify(curve, pub, dgst, signature, mode=2012)
True