|
- # 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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