def sign(data, key):
"""
Sign the JSON data with the passed key.
"""
now = datetime.datetime.utcnow().replace(microsecond=0).isoformat() + "Z"
header = dict(alg="ES256", jwk=key.serialize())
protected = dict(formatLength=len(data) - 2, formatTail=jws.b64encode_item(data[-2:]), time=now)
_jws = jws.JWS(data, **header)
protectedHeader, payload, signature = _jws.sign_compact([key], protected=protected).split(".")
signatures = [dict(header=header, signature=signature, protected=protectedHeader)]
jsig = _jsonDumps(dict(signatures=signatures))[1:-2]
arr = [data[:-2], ",", jsig, data[-2:]]
# Add the signature block at the end of the json string, keeping the formatting
data_with_signature = "".join(arr)
return data_with_signature
def sign(data, key):
"""
Sign the JSON document with a elliptic curve key
"""
jdata = _jsonDumps(data)
now = datetime.datetime.utcnow().replace(microsecond=0).isoformat() + 'Z'
header = dict(alg="ES256", jwk=key.serialize())
protected = dict(formatLength=len(jdata) - 2,
formatTail=jws.b64encode_item(jdata[-2:]),
time=now)
_jws = jws.JWS(jdata, **header)
protectedHeader, payload, signature = _jws.sign_compact([key], protected=protected).split(".")
signatures = [dict(header=header, signature=signature, protected=protectedHeader)]
jsig = _jsonDumps(dict(signatures=signatures))[1:-2]
arr = [jdata[:-2], ',', jsig, jdata[-2:]]
# Add the signature block at the end of the json string, keeping the
# formatting
jdata2 = ''.join(arr)
return jdata2
