def makeHMACSHA256(msg, key):
    t = hmac.new(msg=msg, key=key, digestmod=hashlib.sha256)
    return t.digest()
Construct a :class:`.types.JSON` type.
dataset/ETHPy150Open nskinkel/oppy/oppy/crypto/util.py/makeHMACSHA256--crossover with--dataset/ETHPy150Open zzzeek/sqlalchemy/lib/sqlalchemy/sql/sqltypes.py/JSON.__init__