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Diffstat (limited to 'pyasn1_modules/rfc8419.py')
-rw-r--r-- | pyasn1_modules/rfc8419.py | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/pyasn1_modules/rfc8419.py b/pyasn1_modules/rfc8419.py new file mode 100644 index 0000000..f10994b --- /dev/null +++ b/pyasn1_modules/rfc8419.py @@ -0,0 +1,68 @@ +# 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) |