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Diffstat (limited to '.venv/lib/python3.12/site-packages/pyasn1_modules/rfc4490.py')
-rw-r--r-- | .venv/lib/python3.12/site-packages/pyasn1_modules/rfc4490.py | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/pyasn1_modules/rfc4490.py b/.venv/lib/python3.12/site-packages/pyasn1_modules/rfc4490.py new file mode 100644 index 00000000..b8fe3213 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/pyasn1_modules/rfc4490.py @@ -0,0 +1,113 @@ +# +# This file is part of pyasn1-modules software. +# +# Created by Russ Housley with assistance from asn1ate v.0.6.0. +# +# Copyright (c) 2019, Vigil Security, LLC +# License: http://snmplabs.com/pyasn1/license.html +# +# Using the GOST 28147-89, GOST R 34.11-94, GOST R 34.10-94, and +# GOST R 34.10-2001 Algorithms with the CMS +# +# ASN.1 source from: +# https://www.rfc-editor.org/rfc/rfc4490.txt +# + + +from pyasn1.type import univ, char, namedtype, namedval, tag, constraint, useful + +from pyasn1_modules import rfc4357 +from pyasn1_modules import rfc5280 + + +# Imports from RFC 4357 + +id_CryptoPro_algorithms = rfc4357.id_CryptoPro_algorithms + +id_GostR3410_94 = rfc4357.id_GostR3410_94 + +id_GostR3410_2001 = rfc4357.id_GostR3410_2001 + +Gost28147_89_ParamSet = rfc4357.Gost28147_89_ParamSet + +Gost28147_89_EncryptedKey = rfc4357.Gost28147_89_EncryptedKey + +GostR3410_94_PublicKeyParameters = rfc4357.GostR3410_94_PublicKeyParameters + +GostR3410_2001_PublicKeyParameters = rfc4357.GostR3410_2001_PublicKeyParameters + + +# Imports from RFC 5280 + +SubjectPublicKeyInfo = rfc5280.SubjectPublicKeyInfo + + +# CMS/PKCS#7 key agreement algorithms & parameters + +class Gost28147_89_KeyWrapParameters(univ.Sequence): + componentType = namedtype.NamedTypes( + namedtype.NamedType('encryptionParamSet', Gost28147_89_ParamSet()), + namedtype.OptionalNamedType('ukm', univ.OctetString().subtype( + subtypeSpec=constraint.ValueSizeConstraint(8, 8))) + ) + + +id_Gost28147_89_CryptoPro_KeyWrap = id_CryptoPro_algorithms + (13, 1, ) + + +id_Gost28147_89_None_KeyWrap = id_CryptoPro_algorithms + (13, 0, ) + + +id_GostR3410_2001_CryptoPro_ESDH = id_CryptoPro_algorithms + (96, ) + + +id_GostR3410_94_CryptoPro_ESDH = id_CryptoPro_algorithms + (97, ) + + +# CMS/PKCS#7 key transport algorithms & parameters + +id_GostR3410_2001_KeyTransportSMIMECapability = id_GostR3410_2001 + + +id_GostR3410_94_KeyTransportSMIMECapability = id_GostR3410_94 + + +class GostR3410_TransportParameters(univ.Sequence): + componentType = namedtype.NamedTypes( + namedtype.NamedType('encryptionParamSet', Gost28147_89_ParamSet()), + namedtype.OptionalNamedType('ephemeralPublicKey', + SubjectPublicKeyInfo().subtype(implicitTag=tag.Tag( + tag.tagClassContext, tag.tagFormatSimple, 0))), + namedtype.NamedType('ukm', univ.OctetString().subtype( + subtypeSpec=constraint.ValueSizeConstraint(8, 8))) + ) + +class GostR3410_KeyTransport(univ.Sequence): + componentType = namedtype.NamedTypes( + namedtype.NamedType('sessionEncryptedKey', Gost28147_89_EncryptedKey()), + namedtype.OptionalNamedType('transportParameters', + GostR3410_TransportParameters().subtype(implicitTag=tag.Tag( + tag.tagClassContext, tag.tagFormatConstructed, 0))) + ) + + +# GOST R 34.10-94 signature algorithm & parameters + +class GostR3410_94_Signature(univ.OctetString): + subtypeSpec = constraint.ValueSizeConstraint(64, 64) + + +# GOST R 34.10-2001 signature algorithms and parameters + +class GostR3410_2001_Signature(univ.OctetString): + subtypeSpec = constraint.ValueSizeConstraint(64, 64) + + +# Update the Algorithm Identifier map in rfc5280.py + +_algorithmIdentifierMapUpdate = { + id_Gost28147_89_CryptoPro_KeyWrap: Gost28147_89_KeyWrapParameters(), + id_Gost28147_89_None_KeyWrap: Gost28147_89_KeyWrapParameters(), +} + +rfc5280.algorithmIdentifierMap.update(_algorithmIdentifierMapUpdate) |