| # 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) |