101 lines
2.8 KiB
Python
101 lines
2.8 KiB
Python
# coding: utf-8
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# PyGOST -- Pure Python GOST cryptographic functions library
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# Copyright (C) 2015-2023 Sergey Matveev <stargrave@stargrave.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, version 3 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from pyderasn import Any
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from pyderasn import BitString
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from pyderasn import Choice
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from pyderasn import Integer
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from pyderasn import Null
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from pyderasn import ObjectIdentifier
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from pyderasn import OctetString
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from pyderasn import Sequence
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from pyderasn import SetOf
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from pyderasn import tag_ctxc
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from pyderasn import tag_ctxp
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from pygost.asn1schemas.oids import id_tc26_gost3410_2012_256
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from pygost.asn1schemas.oids import id_tc26_gost3410_2012_512
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from pygost.asn1schemas.x509 import GostR34102012PublicKeyParameters
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class ECParameters(Choice):
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schema = (
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("namedCurve", ObjectIdentifier()),
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("implicitCurve", Null()),
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# ("specifiedCurve", SpecifiedECDomain()),
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)
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ecPrivkeyVer1 = Integer(1)
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class ECPrivateKey(Sequence):
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schema = (
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("version", Integer(ecPrivkeyVer1)),
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("privateKey", OctetString()),
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("parameters", ECParameters(expl=tag_ctxc(0), optional=True)),
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("publicKey", BitString(expl=tag_ctxc(1), optional=True)),
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)
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class PrivateKeyAlgorithmIdentifier(Sequence):
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schema = (
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("algorithm", ObjectIdentifier(defines=(
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(("parameters",), {
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id_tc26_gost3410_2012_256: GostR34102012PublicKeyParameters(),
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id_tc26_gost3410_2012_512: GostR34102012PublicKeyParameters(),
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}),
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))),
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("parameters", Any(optional=True)),
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)
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class PrivateKey(OctetString):
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pass
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class AttributeValue(Any):
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pass
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class AttributeValues(SetOf):
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schema = AttributeValue()
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class Attribute(Sequence):
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schema = (
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("attrType", ObjectIdentifier()),
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("attrValues", AttributeValues()),
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)
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class Attributes(SetOf):
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schema = Attribute()
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class PublicKey(BitString):
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pass
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class PrivateKeyInfo(Sequence):
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schema = (
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("version", Integer(0)),
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("privateKeyAlgorithm", PrivateKeyAlgorithmIdentifier()),
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("privateKey", PrivateKey()),
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("attributes", Attributes(impl=tag_ctxc(0), optional=True)),
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("publicKey", PublicKey(impl=tag_ctxp(1), optional=True)),
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)
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