rfc8419.py
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# This file is being contributed to pyasn1-modules software.
#
# Created by Russ Housley.
#
# Copyright (c) 2019, Vigil Security, LLC
# License: http://snmplabs.com/pyasn1/license.html
#
# Edwards-Curve Digital Signature Algorithm (EdDSA) Signatures in the CMS
#
# ASN.1 source from:
# https://www.rfc-editor.org/rfc/rfc8419.txt
# https://www.rfc-editor.org/errata/eid5869
from pyasn1.type import univ
from pyasn1_modules import rfc5280
class ShakeOutputLen(univ.Integer):
pass
id_Ed25519 = univ.ObjectIdentifier('1.3.101.112')
sigAlg_Ed25519 = rfc5280.AlgorithmIdentifier()
sigAlg_Ed25519['algorithm'] = id_Ed25519
# sigAlg_Ed25519['parameters'] is absent
id_Ed448 = univ.ObjectIdentifier('1.3.101.113')
sigAlg_Ed448 = rfc5280.AlgorithmIdentifier()
sigAlg_Ed448['algorithm'] = id_Ed448
# sigAlg_Ed448['parameters'] is absent
hashAlgs = univ.ObjectIdentifier('2.16.840.1.101.3.4.2')
id_sha512 = hashAlgs + (3, )
hashAlg_SHA_512 = rfc5280.AlgorithmIdentifier()
hashAlg_SHA_512['algorithm'] = id_sha512
# hashAlg_SHA_512['parameters'] is absent
id_shake256 = hashAlgs + (12, )
hashAlg_SHAKE256 = rfc5280.AlgorithmIdentifier()
hashAlg_SHAKE256['algorithm'] = id_shake256
# hashAlg_SHAKE256['parameters']is absent
id_shake256_len = hashAlgs + (18, )
hashAlg_SHAKE256_LEN = rfc5280.AlgorithmIdentifier()
hashAlg_SHAKE256_LEN['algorithm'] = id_shake256_len
hashAlg_SHAKE256_LEN['parameters'] = ShakeOutputLen()
# Map of Algorithm Identifier OIDs to Parameters added to the
# ones in rfc5280.py. Do not add OIDs with absent paramaters.
_algorithmIdentifierMapUpdate = {
id_shake256_len: ShakeOutputLen(),
}
rfc5280.algorithmIdentifierMap.update(_algorithmIdentifierMapUpdate)