1 files changed, 68 insertions, 0 deletions
diff --git a/pyasn1_modules/rfc8419.py b/pyasn1_modules/rfc8419.py
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+++ b/pyasn1_modules/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)