in helpers/wrapped-key/wrapped_key.py [0:0]
def crc32c(data):
"""
Calculates the CRC32C checksum of the provided data.
Args:
data: the bytes over which the checksum should be calculated.
Returns:
An int representing the CRC32C checksum of the provided bytes.
"""
crc32c_fun = crcmod.predefined.mkPredefinedCrcFun('crc-32c')
return crc32c_fun(six.ensure_binary(data))