def sign_data_tombstone(tombstone_data, data_privkey):
"""
Make a data tombstone, and return the tombstone with
an appended signature (base64)
"""
sigb64 = sign_raw_data(tombstone_data, data_privkey)
return '{}:{}'.format(tombstone_data, sigb64)
def sign_data_payload(data_payload, data_privkey):
"""
Sign a netstring representation of the data payload.
Return the signature (base64-encoded)
"""
data_txt = serialize_data_payload(data_payload)
data_sigb64 = sign_raw_data(data_txt, data_privkey)
return data_sigb64
