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# -*- coding: utf-8 -*-
#
#  Copyright 2011 Sybren A. Stüvel <sybren@stuvel.eu>
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#      https://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.

"""ASN.1 definitions.

Not all ASN.1-handling code use these definitions, but when it does, they should be here.
"""

from pyasn1.type import univ, namedtype, tag

class PubKeyHeader(univ.Sequence):
    componentType = namedtype.NamedTypes(
            namedtype.NamedType('oid', univ.ObjectIdentifier()),
            namedtype.NamedType('parameters', univ.Null()),
    )

class OpenSSLPubKey(univ.Sequence):
    componentType = namedtype.NamedTypes(
            namedtype.NamedType('header', PubKeyHeader()),

# This little hack (the implicit tag) allows us to get a Bit String as Octet String
            namedtype.NamedType('key', univ.OctetString().subtype(
                    implicitTag=tag.Tag(tagClass=0, tagFormat=0, tagId=3))),
    )

class AsnPubKey(univ.Sequence):
    """ASN.1 contents of DER encoded public key:

RSAPublicKey ::= SEQUENCE {
         modulus           INTEGER,  -- n
         publicExponent    INTEGER,  -- e
    """

componentType = namedtype.NamedTypes(
            namedtype.NamedType('modulus', univ.Integer()),
            namedtype.NamedType('publicExponent', univ.Integer()),
    )

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Name	Type	Actions
.. (Parent Directory)
📄 __init__.py	FILE	[EDIT]
📁 __pycache__/	DIR
📄 _compat.py	FILE	[EDIT]
📄 asn1.py	FILE	[EDIT]
📄 cli.py	FILE	[EDIT]
📄 common.py	FILE	[EDIT]
📄 core.py	FILE	[EDIT]
📄 key.py	FILE	[EDIT]
📄 machine_size.py	FILE	[EDIT]
📄 parallel.py	FILE	[EDIT]
📄 pem.py	FILE	[EDIT]
📄 pkcs1.py	FILE	[EDIT]
📄 pkcs1_v2.py	FILE	[EDIT]
📄 prime.py	FILE	[EDIT]
📄 randnum.py	FILE	[EDIT]
📄 transform.py	FILE	[EDIT]
📄 util.py	FILE	[EDIT]

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Editing: asn1.py